EP2542739B1 - Method and equipment for the in situ construction of a sandwich wall comprising two concrete walls separated by an insulation board - Google Patents

Method and equipment for the in situ construction of a sandwich wall comprising two concrete walls separated by an insulation board Download PDF

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Publication number
EP2542739B1
EP2542739B1 EP11712645.8A EP11712645A EP2542739B1 EP 2542739 B1 EP2542739 B1 EP 2542739B1 EP 11712645 A EP11712645 A EP 11712645A EP 2542739 B1 EP2542739 B1 EP 2542739B1
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EP
European Patent Office
Prior art keywords
insulation board
blade
insulating panel
bolt
positioning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP11712645.8A
Other languages
German (de)
French (fr)
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EP2542739A1 (en
Inventor
Gilles Beaumont
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
G.B.E.
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G.B.E.
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Publication date
Application filed by G.B.E. filed Critical G.B.E.
Priority to PL11712645T priority Critical patent/PL2542739T3/en
Publication of EP2542739A1 publication Critical patent/EP2542739A1/en
Application granted granted Critical
Publication of EP2542739B1 publication Critical patent/EP2542739B1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
    • E04G11/18—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring for double walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
    • E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
    • E04G17/0651—One-piece elements
    • E04G17/0652—One-piece elements fully recoverable

Definitions

  • the present invention relates to the field of the construction of walls of buildings or works in the general sense and more specifically to the realization in situ and simultaneously of two parallel concrete walls substantially parallel and separated by a thermal insulation panel.
  • the European patent application 0 073 553 discloses a method for producing a wall having two parallel vertical concrete walls between which is insulated an insulating panel.
  • the two concrete walls are made simultaneously or substantially simultaneously by pouring concrete between the insulating panel and two parallel banks.
  • the insulating panel is centered between the panels before pouring the concrete, using positioning systems passing through the insulating panel and bearing on the internal faces of the two panels.
  • the panels are held in position by means of assembly devices arranged outside the wall to be made. The assembling devices are thus removed after solidification of the concrete while the positioning systems remain trapped in the wall thus produced.
  • the implementation of this technique has a major drawback related to the lifting phenomenon of the insulating panel that appears during the in situ casting operation of the concrete.
  • Another disadvantage relates to the difficulty of implementing such a method during the integration of structural reinforcement in the concrete walls in the case where the wall built must have good characteristics of strength or mechanical strength.
  • the document US 2005/0108985 discloses a method for producing a wall having two parallel vertical concrete walls between which an insulating panel is inserted.
  • the insulation board is held between two panels, before the pouring of the concrete, using systems of positioning of the insulating panel and assembly of the boards.
  • Each positioning and assembly system comprises a rod passing through the insulating panel so that each threaded end of the rod is intended to receive a threaded socket ensuring the assembly of the panels.
  • Each sayhe abuts by its internal face, on a ring inserted on a socket and bearing on the insulating panel or on the reinforcement interposed between the insulating panel and a sayhe.
  • Such a method presents a major difficulty for the implementation of the various components of the positioning and assembly systems. Furthermore, this method imposes abutment between the insulating panel and the reinforcement. Finally, it turns out that such a method does not provide a wall with good mechanical strength characteristics and retained from one wall to another.
  • the present invention therefore aims to overcome the disadvantages of the state of the art by proposing a new method for the in situ production of a vertical sandwich wall with two concrete walls separated by an insulating panel, this method of manufacture allowing the integration of structural reinforcement in the concrete walls while ensuring the holding in position of the insulating panel during the pouring operation of the concrete.
  • Another object of the invention is to propose a method for producing a sandwich wall that makes it possible to obtain good characteristics of mechanical strength and in particular the retention of a wall by the other wall.
  • the object of the invention relates to a method for producing a wall with two generally vertical and substantially parallel concrete walls, between which is imprisoned at least one insulating panel, the two walls being made of way simultaneous or substantially simultaneous pouring concrete between the insulating panel and two internal and external parallel banks, disposed on either side of this insulating panel, the insulating panel being maintained between the two panels, before pouring the concrete, the using positioning systems passing through the insulating panel and resting on the internal faces of the panels, the two panels being held in position by means of assembly devices.
  • Another object of the invention is to propose a new tool for implementing the embodiment method according to the invention.
  • the object of the invention relates to a method for producing a wall 1 with two concrete walls 2, 3 generally vertical and substantially parallel, between which is trapped at least one insulating panel 4 .
  • the wall 1 thus comprises a so-called internal concrete wall 2 , and a so-called external concrete wall 3 in consideration of the interior and exterior sides of the building to be erected.
  • the insulating panel 4 is made of any thermal insulation material such as polystyrene.
  • the walls 2, 3 are made simultaneously or substantially simultaneously, by pouring concrete in situ between the insulating panel 4 and two parallel banks said internal 6 and external 7 in consideration of the inner side and the outer side of the wall.
  • the inner ring 6 extends parallel to the inner face 4 1 of the insulating panel 4 and at a determined distance from the latter corresponding to the thickness of the inner wall 2 while the outer shell 7 extends parallel to the outer face 4 2 of the insulating panel 4 and at a determined distance from the latter corresponding to the thickness of the outer wall 3 .
  • the inner wall 2 incorporates a reinforcement 9 internal structure, of any type known per se.
  • the internal structure reinforcement 9 can be made by one or more lattices or reinforcements placed before pouring the concrete, between the insulating panel 4 and the inner panel 6 .
  • the outer wall 3 also incorporates a reinforcement of external structure 11 of any known type, placed before pouring concrete, between the insulating panel 4 and the outer wall 7 .
  • the method according to the invention is implemented using a suitable tool comprising positioning systems 13 for maintaining the insulating panel 4 between the panels 6, 7 and assembly devices 14 of the panels 6, 7 between them, independent of positioning systems 13 .
  • Each positioning system 13 comprises in the embodiment illustrated in FIGS. Fig. 3 to 5 , a first piece such as a dagger 15 on which is intended to be assembled a second piece such as a lock 16 .
  • Dagger 15 comprises a rod 18 to be inserted through the insulating panel 4 from the outer face 4 2.
  • the rod 18 has with respect to its direction of insertion into the insulating panel 4 , a downstream end 18 1 extending opposite an upstream end 18 2 .
  • the rod 18 is intended to bear at its ends 18 1 , 18 2 , against the inner faces of the panels 6, 7 .
  • the rod 18 has a length equal to the thickness of the wall 1 made.
  • the rod 18 may have, from one and preferably from both its ends, cut-off sections that are pre-cut or predefined, making it possible to adjust the length of the rod 18 to the thickness of the wall 1 to achieve. According to another embodiment, it can be achieved a family of daggers 15 having rods 18 of different lengths thus making it possible to produce walls of different thicknesses.
  • the rod 18 is provided with a support stop 20 positioned adjacent the upstream end 18 2 come into contact with the outer surface 4 2 of the insulating panel 4.
  • the bearing abutment 20 is made in the form of a disc extending transversely with respect to the rod 18 . This abutment 20 is remote from the upstream end 18 2 of the rod 18 at a distance corresponding to the thickness of the outer wall 3 . The adjustment of the length of the rod 18 from the upstream end 18 2 makes it possible to adapt to the thickness of the outer wall 3 .
  • the width 18 between the upstream end 2 of the rod 18 and the outer surface 4 2 of the insulating panel 4 can be adjusted using one or more washers strung on the rod 18 from the downstream end 18 1 , until coming into contact with the abutment 20 .
  • the establishment of these washers allows to move the support for the insulating panel 4 relative to the upstream end 18 2 .
  • the rod 18 has from the abutment abutment 20 , longitudinal grooves formed on the periphery of the rod to the downstream end 18 1 which has a beveled shape to facilitate the passage through the insulating panel 4 .
  • the dagger 15 also comprises a gripping member 22 such as a disc extending transversely with respect to the rod, between the upstream end 18 2 of the rod and the bearing abutment 20 .
  • this gripping member 22 has at its periphery, a detent to facilitate its operation especially during its insertion into the insulating panel 4 .
  • the lock 16 is in the form of a tubular sleeve 23 intended to be threaded on the rod 18 from its downstream end 18 1 .
  • This tubular sleeve 23 is provided with a abutment 24 intended to bear on the inner face 4 1 of the insulating panel 4 .
  • the abutment 24 is in the form of a disk extending transversely or radially from the proximal end of the tubular sleeve 23 .
  • the lock 16 also comprises a hook 26 adapted to hook with the reinforcement 9 of internal structure.
  • the hook 26 thus extends radially from the distal end of the tubular sleeve 23 .
  • the hook 26 is in the form of a wafer of substantially rectangular shape, of limited angular width of the order of ten degrees.
  • the latch 16 and the dagger 15 comprises assembly means for fixing the latch 16 on the rod 18 in a fixed position along the rod 18 so that the abutment stop 20 and the abutment 24 are respectively in position. support on the faces 4 1 , 4 2 of the insulating panel 4.
  • the assembly means comprise at least one lug 28 carried by the rod 18 and intended to cooperate with at least one complementary housing 29 arranged on the tubular sleeve 23.
  • the housing 29 opens laterally in a groove 30 arranged in the sleeve tubular sleeve 23 to the proximal end of the tubular sleeve 23.
  • the groove 30 opens into the housing 29 which has angularly offset, a shape complementary to the pin 28 to ensure its locking in translation according to the axis of the stem 18 .
  • the lug 28 is positioned on the rod 18 so that in the position of cooperation with the housing 29 of the latch 16 , the distance between the abutment stop 20 and the abutment 24 corresponds to the thickness of the insulating panel 4 ( Fig. 4 ).
  • the assembly means are adapted to allow the distance between the abutment stop 20 and abutment 24 to be adjusted.
  • the rod 18 is provided with a series of lugs 28 distributed along the length of the rod 18 to correspond to various conventional thicknesses of the insulating panel 4 . These lugs 28 are distributed equally angularly on the periphery of the rod 18 so that they can each enter a corresponding groove 30 provided on the latch 16 .
  • the latch 16 thus has as many grooves 30 and housings 29 as pins 28 , these grooves 30 being angularly offset from each other by a value equal to the angular offset presented by the lugs on the rod 18 .
  • This dagger 15 and this lock 16 can be used for various thicknesses of the insulating panel 4 by choosing the cooperation of the appropriate pin with its corresponding housing.
  • the latch 16 is engaged on the rod 18 by engaging the tubular sleeve 23 by its proximal end from the end distal 18 1 of the rod while angularly coinciding each groove 30 with a lug 28 .
  • the latch 16 is slid towards the abutment abutment 20 until it bears against the inner face 4 1 of the insulating panel 4 .
  • at least one lug 28 opens into a housing 29 ( Fig. 4 ) so that a relative rotation between the latch 16 and the rod 18 leads to the locking of the lug 28 in the complementary housing 29 thus preventing any translation or sliding movement of the latch 16 on the rod 18 ( Fig. 5 ).
  • the insulating panel 4 is provided with one or more positioning systems 13 .
  • the assembly means 28, 29, 30 between the latch 16 and the dagger 15 are irreversible type.
  • irreversibility means 31 prohibit the relative rotation in a contrary direction between the latch 16 and the rod 18 .
  • These irreversibility means 31 allow effective locking in position between the latch 16 and the rod 18 .
  • these irreversibility means 31 are made by elastically deformable fingers adapted to be deformed by the lugs 28 during the rotational movement of the lugs leading them into the housings 29 . When the deformable fingers 31 are no longer stressed by the lugs 28 , these fingers 31 return to their initial position ensuring the locking of the lugs 28 inside the housings 29 , preventing their rotation in a direction leading to their exit from the housings 29 .
  • the Fig. 6 illustrates an exemplary embodiment of an assembly device 14 according to the invention, comprising a tubular spacer 33 internally defining a bore 34 .
  • This tubular spacer 33 is intended to penetrate into the insulating panel 4, from its outer face 2 and 4 to abut against the inner faces of the formwork 6, 7.
  • the tubular spacer 33 has, with respect to its direction of penetration into the insulating panel 4 , a downstream end 33 1 and a upstream end 33 2 .
  • the tubular spacer 33 is externally provided with cutting or cutting elements 36 adapted to cut the insulating panel 4 during assembly of the tubular spacer 33 in the insulating panel 4 by a rotational movement of the tubular spacer 33 .
  • the cutting elements 36 are distributed helically or in a screw thread facilitating its penetration into the insulating panel 4 engaged along its downstream end 33 1 .
  • the downstream end 33 1 of the tubular spacer 33 has penetration assist teeth 38 for starting the cutting operation of the insulating panel 4 .
  • the teeth 38 are adapted to crash against the internal face of the inner sheet 6 contributing to the seal between the inner sheet 6 and the tubular spacer 33 .
  • the tubular spacer 33 comprises at its upstream end 33 2 , a peripheral flange 40 of deformable nature intended to collapse by clamping to ensure the seal between the outer shell 7 and the tubular spacer 33 .
  • the bore 34 of the tubular spacer 33 comprises, from its upstream end 33 2 , a prismatic shape making it possible to cooperate with an operating or screwing tool facilitating the operation of penetration into the insulating panel 4 .
  • the tubular spacer 33 comprises at each end a removable ring.
  • one of the removable rings comprises the teeth 38 while the other removable ring comprises the peripheral collar 40 and a prismatic form of maneuvering.
  • These rings are mounted for example by interlocking at each end of the tubular spacer 33 .
  • These rings have an outer form undercut allowing their removal, relative to the spacer and the concrete walls 2, 3 , after the formation of the latter.
  • the assembly device 14 comprises as illustrated in FIG. Fig. 2 , also a clamping rod 41 passing inside the bore 34 and passing through the panels 6 and 7 .
  • This clamping rod 41 protrudes from other 6 and 7 panels to allow the screwing of clamping members 42 such as nuts.
  • the method according to the invention consists in equipping the insulating panel 4 with one or more positioning systems 13 according to the invention.
  • the method consists of engaging the rod 18 at its end 18 1 in the insulating panel 4 until the abutment stop 20 comes into contact directly or via one or more washers added, with the external face 4 2 of the insulation board 4 .
  • the rod 18 is projecting relative to the inner face 4 1 of the insulating panel 4.
  • the lug or pins 28 are thus located on the side of the inner face 4 1 of the insulating panel 4 .
  • the method according to the invention then consists in ensuring the mounting of the lock 16 on the rod 18 projecting from the face 4 1 of the insulating panel 4.
  • the tubular sleeve 23 of the lock 16 is threaded onto the rod 18 to from its downstream end 18 1 .
  • the latch 16 is translated so that the abutment 24 bears against the inner face 4 1 of the insulating panel 4 .
  • the lock 16 is oriented angularly so that a lug 28 slides in a complementary groove 30 .
  • the latch 16 is angularly rotated relative to the rod 18 so as to bring the lug 28 into the complementary housing 29 to allow locking of the latch 16 in a fixed position on the rod 18 ( Fig. 5 )
  • the pin 28 deforms the fingers 31 before entering the housing 29 .
  • the lug 28 is blocked by the fingers 31 preventing it from rotating in the opposite direction.
  • the dagger 15 and the lock 16 are assembled by a complete connection.
  • the method of making a wall is to set up the inner wall 6 in situ to achieve the wall 1 .
  • the form 6 is set up in a conventional manner by any known equipment or bracing tool that will not be described more precisely in the following description.
  • the following description describes the realization of a wall with two panels 6, 7 but it is clear that, in a conventional manner, the walls require the completion of an inner formwork and an outer formwork including a series of respectively internal and external sideboards set up side by side in a bed or two bunk beds depending on the height of the wall to achieve.
  • This implementation technique is not described more precisely because it uses conventional construction techniques well known to those skilled in the art.
  • each wall 6, 7 has through holes 6 1 , 7 1 respectively for the passage of a clamping rod 41 .
  • the process according to the invention consists, as illustrated in Fig. 9 , to put in place the reinforcement of internal structure 9 with respect to the internal panel 6 .
  • the establishment of this reinforcement internal structure 9 is not described more precisely because it is well known to those skilled in the art.
  • the reservation mannequins for the openings or the frames to bancher are positioned on the internal niehe before the establishment of the reinforcement of internal structure 9 .
  • the method according to the invention then consists in positioning the insulating panel 4 with respect to the internal panel 6 in front of which is positioned the reinforcement of internal structure 9 .
  • the insulating panel 4 is positioned so as to allow the upstream end 18 1 of the rod 18 to abut against the internal face of the internal panel 6 .
  • the rod 18 is turned with the help of the operating handle 22 to allow the hook 26 to pass through the reinforcement 9 and internal structure and settle between the sayhe internal 6 and the reinforcement of internal structure 9 .
  • the positioning system 13 thus ensures, by means of the hook 26 , an assembly of the insulating panel 4 with respect to the reinforcement of internal structure 9 and a positioning relative to the internal panel 6 .
  • the method according to the invention then consists in setting up the assembly devices 14 of the panels 6, 7 .
  • this reinforcement 13 is put in place on the side of the outer face 4 2 of the insulating panel 4 ( Fig. 11 ).
  • the reinforcement of external structure 11 is thus preferably established at the level of the gripping handle 22 which provides a connection with this reinforcement of external structure 11 .
  • the method according to the invention then consists in putting in place one or more tubular spacers 33 intended to be established between the two panels 6, 7 .
  • the method according to the invention therefore consists in placing each tubular spacer 33 in alignment with a hole 6 1 formed in the inner panel 6 .
  • the tubular spacer 33 is then threaded onto the end of the needle protruding from the outer face 4 2 of the insulating panel 4 to come through its downstream end 38 in contact with the insulating panel 4 .
  • the rotation of the tubular spacer 33 leads to its penetration thanks to the cutting elements 36 inside the insulating panel 4 .
  • the tubular spacer 33 comes into abutment, by its downstream end 33 1 , against the internal face of the internal panel 6 ( Fig. 12 ).
  • the clamping rod 41 is threaded through the hole 6 1 of the block 6 and the bore 34 of the tubular spacer 33 thus driving the core of the insulating panel 4 made by the tubular spacer 33 ( Fig. 13 ).
  • the method according to the invention consists in putting in place the outer wall 7 to bear on the upstream end 33 2 of the spacer tubular 33 .
  • the clamping rod 41 is engaged inside a through hole 7 1 provided in the outer wall 7 ( Fig. 2 ). In this position, the clamping rod 41 completely traverses the panels 6, 7 and the insulation panel 4 extending on either side of the panels 6, 7 .
  • the clamping rod 41 then serves to mount clamping members such as nuts 42 to ensure the locking in position of the panels 6, 7 between them. It should be noted that during this operation, the tightening of the nuts 42 ensures a localized deformation of the downstream ends 33 1 and upstream 33 2 of the tubular spacer 33 so as to ensure a seal between this tubular spacer 33 and the 6, 7 .
  • the concreting operation intended to ensure the simultaneous or substantially simultaneous injection of the concrete between the insulating panel 4 and the panels 6, 7 to simultaneously realize the internal 6 and outer walls 7 .
  • the concrete may be poured either from the top of the panels or preferably from the lower part of the internal formwork and the external formwork.
  • the injection nozzles are placed at the lower part of a pair of internal 6 and external 7 external boards placed in facing relation so as to allow pouring of concrete from the lower part of the boards.
  • positioning systems 13 and assembly devices 14 on the other hand, the insulating panel 4 and structural reinforcement 9, 11 remain in place during the pouring of the concrete.
  • the insulating panel 4 does not lift during the simultaneous concrete pouring operation between the panels 6, 7 and the insulating panel 4 .
  • the method according to the invention then consists in removing the clamping rod 41 by loosening the nuts 42 and removing the panels 6, 7 .
  • the tubular spacers 33 are provided with removable rings at their ends, these removable rings are removed so that the tubular spacers which remain in place are no longer flush with the outer faces of the walls 2, 3 .
  • the wall 1 made thus incorporates the assembly devices 14 and the positioning systems 13 which are mounted independently of one another and thus provide in combination a mechanical retention of the outer wall 3 with respect to the inner wall 2 .
  • the wall thus built has good characteristics of mechanical strength.
  • the method according to the invention thus makes it possible relatively easily in situ, a sandwich wall directly integrating the thermal insulation between two concrete walls made simultaneously.
  • the positioning systems 13 are made of plastic material such as polymer.
  • the dagger 15 and the latch 16 are made by molding.
  • the tubular spacer 33 is made of plastic material such as polymer.
  • the Fig. 14 illustrates another alternative embodiment of a positioning system 13 according to the invention made of a metallic material.
  • the positioning system 13 comprises a threaded rod 18 intended to receive on one side a threaded bush 45 provided with the abutment stop 20 and an actuator 22 .
  • This threaded bushing 45 mounted on the threaded rod 18 together form a dagger 15 .
  • the rod 18 is intended to receive at the end opposite that provided with the threaded sleeve 45 , a latch 16 comprising a tubular sleeve 23 threaded and equipped with a buttress 24 and the hook 26 .
  • the threaded rod 18 , the threaded ring and the lock 16 are made of a metallic material.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Building Environments (AREA)
  • Lining And Supports For Tunnels (AREA)

Description

La présente invention concerne le domaine de la construction de murs de bâtiments ou d'ouvrages au sens général et elle vise plus précisément la réalisation in situ et simultanément de deux parois en béton verticales sensiblement parallèles et séparées par un panneau d'isolation thermique.The present invention relates to the field of the construction of walls of buildings or works in the general sense and more specifically to the realization in situ and simultaneously of two parallel concrete walls substantially parallel and separated by a thermal insulation panel.

Dans l'état de la technique, il est connu les divers avantages notamment en termes désolation thermique, liés à la réalisation des murs sandwich comportant deux parois en béton séparées par un panneau isolant. L'état de la technique a proposé diverses solutions techniques pour la réalisation in situ de tels murs sandwich intégrant une isolation thermique.In the state of the art, it is known the various advantages in particular in terms of thermal desolation, related to the realization of sandwich walls having two concrete walls separated by an insulating panel. The state of the art has proposed various technical solutions for the in situ realization of such sandwich walls incorporating thermal insulation.

Par exemple, la demande de brevet européenne 0 073 553 décrit un procédé pour réaliser un mur comportant deux parois en béton verticales parallèles entre lesquelles est emprisonné un panneau isolant. Les deux parois en béton sont réalisées de façon simultanée ou sensiblement simultanée par coulage de béton entre le panneau isolant et deux banches parallèles. Le panneau isolant est centré entre les banches avant le coulage du béton, à l'aide de systèmes de positionnement traversant le panneau isolant et venant en appui sur les faces internes des deux banches. Les banches sont maintenues en position à l'aide de dispositifs d'assemblage disposés en dehors du mur à réaliser. Les dispositifs d'assemblage sont ainsi retirés après la solidification du béton tandis que les systèmes de positionnement restent emprisonnés dans le mur ainsi réalisé.For example, the European patent application 0 073 553 discloses a method for producing a wall having two parallel vertical concrete walls between which is insulated an insulating panel. The two concrete walls are made simultaneously or substantially simultaneously by pouring concrete between the insulating panel and two parallel banks. The insulating panel is centered between the panels before pouring the concrete, using positioning systems passing through the insulating panel and bearing on the internal faces of the two panels. The panels are held in position by means of assembly devices arranged outside the wall to be made. The assembling devices are thus removed after solidification of the concrete while the positioning systems remain trapped in the wall thus produced.

La mise en oeuvre de cette technique présente un inconvénient majeur lié au phénomène de soulèvement du panneau isolant qui apparaît lors de l'opération de coulage in situ du béton. Un autre inconvénient concerne la difficulté de mise en oeuvre d'un tel procédé lors de l'intégration de ferraillage de structure dans les parois de béton dans le cas où le mur édifié doit présenter de bonnes caractéristiques de résistance ou de tenue mécanique.The implementation of this technique has a major drawback related to the lifting phenomenon of the insulating panel that appears during the in situ casting operation of the concrete. Another disadvantage relates to the difficulty of implementing such a method during the integration of structural reinforcement in the concrete walls in the case where the wall built must have good characteristics of strength or mechanical strength.

Dans le même sens, le document US 2005/0108985 décrit un procédé pour réaliser un mur comportant deux parois en béton verticales parallèles entre lesquelles un panneau isolant est inséré. Le panneau isolant est maintenu entre deux banches, avant le coulage du béton, à l'aide de systèmes de positionnement du panneau isolant et d'assemblage des banches. Chaque système de positionnement et d'assemblage comporte une tige traversant le panneau isolant de sorte que chaque extrémité filetée de la tige est destinée à recevoir une douille taraudée assurant l'assemblage des banches. Chaque banche vient en appui par sa face interne, sur une bague insérée sur une douille et venant en appui sur le panneau isolant ou sur le ferraillage intercalée entre le panneau isolant et une banche.In the same sense, the document US 2005/0108985 discloses a method for producing a wall having two parallel vertical concrete walls between which an insulating panel is inserted. The insulation board is held between two panels, before the pouring of the concrete, using systems of positioning of the insulating panel and assembly of the boards. Each positioning and assembly system comprises a rod passing through the insulating panel so that each threaded end of the rod is intended to receive a threaded socket ensuring the assembly of the panels. Each banche abuts by its internal face, on a ring inserted on a socket and bearing on the insulating panel or on the reinforcement interposed between the insulating panel and a banche.

Un tel procédé présente une difficulté majeure pour la mise en place des différents organes des systèmes de positionnement et d'assemblage. Par ailleurs, ce procédé impose un montage en butée entre le panneau isolant et le ferraillage. Il s'avère enfin qu'un tel procédé ne permet pas d'obtenir un mur avec de bonnes caractéristiques de résistance mécanique et de retenu d'une paroi à l'autre.Such a method presents a major difficulty for the implementation of the various components of the positioning and assembly systems. Furthermore, this method imposes abutment between the insulating panel and the reinforcement. Finally, it turns out that such a method does not provide a wall with good mechanical strength characteristics and retained from one wall to another.

La présente invention vise donc à remédier aux inconvénients de l'état de la technique en proposant un nouveau procédé pour la réalisation in situ d'un mur sandwich vertical avec deux parois en béton séparées par un panneau isolant, cette méthode de fabrication permettant l'intégration de ferraillage de structure dans les parois en béton tout en garantissant le maintien en position du panneau isolant lors de l'opération de coulage du béton.The present invention therefore aims to overcome the disadvantages of the state of the art by proposing a new method for the in situ production of a vertical sandwich wall with two concrete walls separated by an insulating panel, this method of manufacture allowing the integration of structural reinforcement in the concrete walls while ensuring the holding in position of the insulating panel during the pouring operation of the concrete.

Un autre objet de l'invention est de proposer un procédé de réalisation d'un mur sandwich permettant d'obtenir de bonnes caractéristiques de résistance mécanique et en particulier de retenue d'une paroi par l'autre paroi.Another object of the invention is to propose a method for producing a sandwich wall that makes it possible to obtain good characteristics of mechanical strength and in particular the retention of a wall by the other wall.

Pour atteindre un tel objectif, l'objet de l'invention concerne un procédé pour la réalisation d'un mur avec deux parois en béton généralement verticales et sensiblement parallèles, entre lesquelles est emprisonné au moins un panneau isolant, les deux parois étant réalisées de façon simultanée ou sensiblement simultanée par coulage de béton entre le panneau isolant et deux banches parallèles interne et externe, disposées de part et d'autre de ce panneau isolant, le panneau isolant étant maintenu entre les deux banches, avant le coulage du béton, à l'aide de systèmes de positionnement traversant le panneau isolant et venant en appui sur les faces internes des banches, les deux banches étant maintenues en position à l'aide de dispositifs d'assemblage.To achieve such an objective, the object of the invention relates to a method for producing a wall with two generally vertical and substantially parallel concrete walls, between which is imprisoned at least one insulating panel, the two walls being made of way simultaneous or substantially simultaneous pouring concrete between the insulating panel and two internal and external parallel banks, disposed on either side of this insulating panel, the insulating panel being maintained between the two panels, before pouring the concrete, the using positioning systems passing through the insulating panel and resting on the internal faces of the panels, the two panels being held in position by means of assembly devices.

Selon l'invention, le procédé consiste par la mise en place :

  • sur chaque panneau isolant avant leur positionnement, des systèmes de positionnement comportant chacun au moins un crochet orientable angulairement s'étendant en retrait de l'extrémité libre du système de positionnement,
  • d'un ferraillage de structure interne du côté de la face interne de la banche interne,
  • de chaque panneau isolant avec passage à travers du ferraillage de structure interne, des systèmes de positionnement, avec rotation éventuelle desdits systèmes pour le passage des crochets et leur assemblage avec ledit ferraillage de structure interne,
  • pour chaque dispositif d'assemblage, avant le positionnement de la banche externe, d'une entretoise tubulaire traversant le panneau isolant et après le positionnement de la banche externe, prenant appui de façon étanche sur les faces internes des banches, chaque entretoise tubulaire étant traversée par une tige de serrage s'étendant à l'extérieur des banches pour recevoir à chaque extrémité un organe de serrage.
According to the invention, the method consists in setting up:
  • on each insulating panel before their positioning, positioning systems each comprising at least one angularly adjustable hook extending back from the free end of the positioning system,
  • a reinforcement of internal structure on the side of the internal face of the inner panel,
  • of each insulating panel with passage through the internal structure reinforcement, positioning systems, with possible rotation of said systems for the passage of the hooks and their assembly with said reinforcement of internal structure,
  • for each assembly device, before the positioning of the outer wall, a tubular spacer passing through the insulating panel and after the positioning of the outer wall, sealingly bearing on the internal faces of the panels, each tubular spacer being traversed by a clamping rod extending outside the panels to receive at each end a clamping member.

De plus, le procédé selon l'invention peut présenter en outre en combinaison au moins l'une et/ou l'autre des caractéristiques additionnelles suivantes :

  • mettre en place sur chaque panneau isolant, les systèmes de positionnement en enfilant la tige d'une dague jusqu'à une butée d'appui, un verrou muni du crochet étant assemblé sur la tige dépassant du panneau isolant, lorsqu'une contrebutée portée par le verrou est en appui contre le panneau isolant,
  • assembler le verrou sur la dague en assurant son coulissement sur la dague jusqu'à la mise en appui de la contrebutée sur le panneau isolant et sa rotation pour engager au moins un ergot porté par la dague dans un logement aménagé sur le verrou,
  • découper une partie de la longueur de la tige de la dague pour l'adapter à l'épaisseur des parois en béton,
  • mettre en place les entretoises tubulaires dans le panneau isolant selon un mouvement de rotation pour découper le panneau isolant par des éléments tranchants équipant extérieurement les entretoises tubulaires,
In addition, the method according to the invention may additionally comprise in combination at least one and / or the following additional characteristics:
  • placing on each insulating panel, the positioning systems by threading the stem of a dagger to a bearing abutment, a latch provided with the hook being assembled on the rod protruding from the insulating panel, when a abutment carried by the latch bears against the insulating panel,
  • assembling the lock on the dagger by sliding it on the dagger until the abutment is pressed against the insulating panel and rotating to engage at least one lug carried by the dagger in a housing provided on the lock,
  • cut a part of the length of the dagger's rod to fit the thickness of the concrete walls,
  • placing the tubular spacers in the insulating panel in a rotational movement to cut the insulating panel by cutting elements fitted externally tubular spacers,

Un autre objet de l'invention vise à proposer un nouvel outillage pour la mise en oeuvre du procédé de réalisation conforme à l'invention.Another object of the invention is to propose a new tool for implementing the embodiment method according to the invention.

L'outillage selon l'invention pour la mise en oeuvre du procédé comporte :

  • des systèmes de positionnement du panneau isolant entre les banches, comportant chacun au moins un crochet orientable angulairement s'étendant en retrait de l'extrémité libre du système de positionnement,
  • des dispositifs d'assemblage des banches entre elles comportant chacun une entretoise tubulaire traversée à l'intérieur par une tige de serrage munie à chaque extrémité d'un organe de serrage.
The tool according to the invention for implementing the method comprises:
  • insulating panel positioning systems between the panels, each comprising at least one angularly adjustable hook extending back from the free end of the positioning system,
  • assembly devices of the panels between them each comprising a tubular spacer traversed internally by a clamping rod provided at each end of a clamping member.

De plus, le procédé selon l'invention peut présenter en outre en combinaison au moins l'une et/ou l'autre des caractéristiques additionnelles suivantes :

  • chaque système de positionnement comporte d'une part, une dague présentant une tige pourvue d'une butée d'appui et, d'autre part d'un verrou muni d'un crochet et d'une contrebutée, le verrou et la dague comportant des moyens d'assemblage entre le verrou et la dague,
  • les moyens d'assemblage comportent au moins un ergot aménagé sur la tige de la dague et coopérant avec un logement aménagé sur le verrou après rotation de ce dernier,
  • les moyens d'assemblage entre le verrou et la dague sont de type irréversible,
  • la dague comporte un disque de préhension entre l'extrémité de la tige et la butée d'appui,
  • le système de positionnement comporte une tige filetée sur laquelle est d'une part, vissé un manchon pourvu d'un disque de préhension et d'une butée d'appui et, d'autre part un verrou muni du crochet et d'une butée de contre appui,
  • l'entretoise tubulaire comporte à son extrémité aval, des dents d'aide à la pénétration et à son extrémité amont, une collerette d'étanchéité déformable,
  • l'entretoise tubulaire est munie extérieurement d'éléments tranchants pour découper le panneau isolant lors de la rotation de l'entretoise tubulaire,
  • l'entretoise tubulaire comporte à son extrémité amont, à l'intérieur de son alésage, une forme prismatique de coopération avec un outil de vissage,
  • l'entretoise tubulaire est munie à chaque extrémité, d'une bague amovible.
In addition, the method according to the invention may additionally comprise in combination at least one and / or the following additional characteristics:
  • each positioning system comprises, on the one hand, a dagger having a rod provided with a bearing abutment and, on the other hand, a latch provided with a hook and a counter-abutment, the latch and the dagger comprising assembly means between the bolt and the dagger,
  • the assembly means comprise at least one lug arranged on the stem of the dagger and cooperating with a housing provided on the latch after rotation of the latter,
  • the assembly means between the bolt and the dagger are of irreversible type,
  • the dagger has a gripping disk between the end of the rod and the bearing abutment,
  • the positioning system comprises a threaded rod on which is on the one hand, screwed a sleeve provided with a gripper disc and a bearing abutment and, secondly a latch provided with the hook and a stop against support,
  • the tubular spacer comprises, at its downstream end, penetration assist teeth and at its upstream end, a deformable sealing collar,
  • the tubular spacer is externally provided with cutting elements for cutting the insulating panel during the rotation of the tubular spacer,
  • the tubular spacer has at its upstream end, inside its bore, a prismatic form of cooperation with a screwdriver,
  • the tubular spacer is provided at each end with a removable ring.

Diverses autres caractéristiques ressortent de la description faite ci-dessous en référence aux dessins annexés qui montrent, à titre d'exemples non limitatifs, des formes de réalisation de l'objet de l'invention.

  • La Figure 1 est une vue en perspective montrant un mur conforme à l'invention réalisé par le procédé conforme à l'invention.
  • La Figure 2 est une vue en perspective montrant une étape caractéristique du procédé selon l'invention juste avant le coulage du béton.
  • La Figure 3 est une vue en perspective montrant en position non assemblée, un système de positionnement pour un panneau isolant.
  • Les Figures 4 et 5 sont deux vues en perspective illustrant un système de positionnement respectivement en position assemblée et en position verrouillée.
  • La Figure 6 est une vue en perspective montrant un exemple de réalisation d'un dispositif d'assemblage conforme à l'invention.
  • Les Figures 7 et 8 sont des vues en perspective montrant le montage d'un système de positionnement sur un panneau isolant respectivement avant son montage sur le panneau isolant et après introduction à travers le panneau isolant.
  • La Figure 9 illustre une étape du procédé de fabrication montrant la mise en place d'un ferraillage de structure interne à proximité d'une banche interne.
  • La Figure 10 illustre une étape suivante du procédé concernant le montage d'un panneau isolant en relation d'une banche interne illustrée à la Fig. 9 .
  • Les Figures 11 à 13 sont des vues en perspective illustrant trois étapes successives de montage des dispositifs d'assemblage des bâches entre elles, qui suivent l'étape de réalisation illustrée à la Fig. 10 .
  • La Figure 14 est un schéma illustrant une autre variante de réalisation d'un système de positionnement conforme à l'invention.
Various other characteristics appear from the description given below with reference to the accompanying drawings which show, by way of non-limiting examples, embodiments of the subject of the invention.
  • The Figure 1 is a perspective view showing a wall according to the invention made by the method according to the invention.
  • The Figure 2 is a perspective view showing a characteristic step of the method according to the invention just before pouring the concrete.
  • The Figure 3 is a perspective view showing in an unassembled position, a positioning system for an insulating panel.
  • The Figures 4 and 5 are two perspective views illustrating a positioning system respectively in the assembled position and in the locked position.
  • The Figure 6 is a perspective view showing an exemplary embodiment of an assembly device according to the invention.
  • The Figures 7 and 8 are perspective views showing the mounting of a positioning system on an insulating panel, respectively before mounting on the insulating panel and after insertion through the insulation board.
  • The Figure 9 illustrates a step of the manufacturing process showing the establishment of a reinforcement internal structure near an internal banche.
  • The Figure 10 illustrates a next step of the method relating to the mounting of an insulating panel in relation to an internal panel illustrated in FIG. Fig. 9 .
  • The Figures 11 to 13 are perspective views illustrating three successive stages of assembly of the assembly devices tarpaulins them, which follow the embodiment step illustrated in the Fig. 10 .
  • The Figure 14 is a diagram illustrating another alternative embodiment of a positioning system according to the invention.

Tel que cela ressort plus précisément de la Fig. 1 , l'objet de l'invention concerne un procédé permettant la réalisation d'un mur 1 avec deux parois en béton 2, 3 généralement verticales et sensiblement parallèles, entre lesquelles est emprisonné au moins un panneau isolant 4. Le mur 1 comporte ainsi une paroi en béton dite interne 2, et une paroi en béton dite externe 3 en considération du côté intérieur et du côté extérieur du bâtiment à ériger. Le panneau isolant 4 est réalisé en tout matériau d'isolation thermique comme par exemple en polystyrène.As is more particularly apparent from the Fig. 1 , the object of the invention relates to a method for producing a wall 1 with two concrete walls 2, 3 generally vertical and substantially parallel, between which is trapped at least one insulating panel 4 . The wall 1 thus comprises a so-called internal concrete wall 2 , and a so-called external concrete wall 3 in consideration of the interior and exterior sides of the building to be erected. The insulating panel 4 is made of any thermal insulation material such as polystyrene.

Comme illustré à la Fig. 2 , les parois 2, 3 sont réalisées de façon simultanée ou sensiblement simultanée, par coulage in situ de béton entre le panneau isolant 4 et deux banches parallèles dites interne 6 et externe 7 en considération du côté intérieur et du côté extérieur du mur. La banche interne 6 s'étend parallèlement à la face interne 41 du panneau isolant 4 et à une distance déterminée de cette dernière correspondant à l'épaisseur de la paroi interne 2 tandis que la banche externe 7 s'étend parallèlement à la face externe 42 du panneau isolant 4 et à une distance déterminée de cette dernière correspondant à l'épaisseur de la paroi externe 3.As illustrated in Fig. 2 , the walls 2, 3 are made simultaneously or substantially simultaneously, by pouring concrete in situ between the insulating panel 4 and two parallel banks said internal 6 and external 7 in consideration of the inner side and the outer side of the wall. The inner ring 6 extends parallel to the inner face 4 1 of the insulating panel 4 and at a determined distance from the latter corresponding to the thickness of the inner wall 2 while the outer shell 7 extends parallel to the outer face 4 2 of the insulating panel 4 and at a determined distance from the latter corresponding to the thickness of the outer wall 3 .

Selon une caractéristique avantageuse de réalisation, la paroi interne 2 incorpore un ferraillage de structure 9 interne, de tout type connu en soi. Le ferraillage de structure interne 9 peut être réalisé par un ou plusieurs treillis ou armatures placés avant le coulage du béton, entre le panneau isolant 4 et la banche interne 6.According to an advantageous characteristic of embodiment, the inner wall 2 incorporates a reinforcement 9 internal structure, of any type known per se. The internal structure reinforcement 9 can be made by one or more lattices or reinforcements placed before pouring the concrete, between the insulating panel 4 and the inner panel 6 .

Selon une caractéristique préférée de réalisation, la paroi externe 3 incorpore également un ferraillage de structure externe 11 de tout type connu, placé avant le coulage du béton, entre le panneau isolant 4 et la banche externe 7.According to a preferred embodiment, the outer wall 3 also incorporates a reinforcement of external structure 11 of any known type, placed before pouring concrete, between the insulating panel 4 and the outer wall 7 .

Le procédé selon l'invention est mis en oeuvre à l'aide d'un outillage adapté comportant des systèmes de positionnement 13 permettant le maintien du panneau isolant 4 entre les banches 6, 7 et des dispositifs d'assemblage 14 des banches 6, 7 entre elles, indépendants des systèmes de positionnement 13.The method according to the invention is implemented using a suitable tool comprising positioning systems 13 for maintaining the insulating panel 4 between the panels 6, 7 and assembly devices 14 of the panels 6, 7 between them, independent of positioning systems 13 .

Chaque système de positionnement 13 comporte dans l'exemple de réalisation illustré aux Fig. 3 à 5 , une première pièce telle qu'une dague 15 sur laquelle est destinée à être assemblé une deuxième pièce telle qu'un verrou 16. La dague 15 comporte une tige 18 destinée à être insérée à travers le panneau isolant 4 à partir de la face externe 42 . La tige 18 comporte par rapport à son sens d'introduction dans le panneau isolant 4, une extrémité aval 181 s'étendant à l'opposé d'une extrémité amont 182 . La tige 18 est destinée à venir en appui par ses extrémités 181, 182 , contre les faces internes des banches 6, 7. La tige 18 possède une longueur égale à l'épaisseur du mur 1 réalisé. Selon une variante préférée de réalisation, la tige 18 peut présenter à partir de l'une et de préférence de ses deux extrémités, des parties sectionnables prédécoupées ou prédéfinies permettant d'ajuster la longueur de la tige 18 à l'épaisseur du mur 1 à réaliser. Selon une autre variante de réalisation, il peut être réalisé une famille de dagues 15 comportant des tiges 18 de différentes longueurs permettant ainsi de réaliser des murs de différentes épaisseurs.Each positioning system 13 comprises in the embodiment illustrated in FIGS. Fig. 3 to 5 , a first piece such as a dagger 15 on which is intended to be assembled a second piece such as a lock 16 . Dagger 15 comprises a rod 18 to be inserted through the insulating panel 4 from the outer face 4 2. The rod 18 has with respect to its direction of insertion into the insulating panel 4 , a downstream end 18 1 extending opposite an upstream end 18 2 . The rod 18 is intended to bear at its ends 18 1 , 18 2 , against the inner faces of the panels 6, 7 . The rod 18 has a length equal to the thickness of the wall 1 made. According to a preferred embodiment, the rod 18 may have, from one and preferably from both its ends, cut-off sections that are pre-cut or predefined, making it possible to adjust the length of the rod 18 to the thickness of the wall 1 to achieve. According to another embodiment, it can be achieved a family of daggers 15 having rods 18 of different lengths thus making it possible to produce walls of different thicknesses.

La tige 18 est pourvue d'une butée d'appui 20 placée à proximité de l'extrémité amont 182 pour venir en contact avec la face externe 42 du panneau isolant 4. Par exemple, la butée d'appui 20 est réalisée sous la forme d'un disque s'étendant transversalement par rapport à la tige 18. Cette butée d'appui 20 est éloignée de l'extrémité amont 182 de la tige 18 selon une distance correspondant à l'épaisseur de la paroi externe 3. L'ajustement de la longueur de la tige 18 à partir de l'extrémité amont 182 permet de s'adapter à l'épaisseur de la paroi externe 3.The rod 18 is provided with a support stop 20 positioned adjacent the upstream end 18 2 come into contact with the outer surface 4 2 of the insulating panel 4. For example, the bearing abutment 20 is made in the form of a disc extending transversely with respect to the rod 18 . This abutment 20 is remote from the upstream end 18 2 of the rod 18 at a distance corresponding to the thickness of the outer wall 3 . The adjustment of the length of the rod 18 from the upstream end 18 2 makes it possible to adapt to the thickness of the outer wall 3 .

La largeur entre l'extrémité amont 182 de la tige 18 et la face externe 42 du panneau isolant 4 peut être ajustée à l'aide d'une ou plusieurs rondelles enfilées sur la tige 18 à partir de l'extrémité aval 181 , jusqu'à venir en contact sur la butée d'appui 20. La mise en place de ces rondelles permet d'éloigner l'appui pour le panneau isolant 4 par rapport à l'extrémité amont 182 . De préférence, la tige 18 présente à partir de la butée d'appui 20, des rainures longitudinales aménagées sur la périphérie de la tige jusqu'à l'extrémité aval 181 qui présente une forme biseautée pour faciliter le passage à travers le panneau isolant 4.The width 18 between the upstream end 2 of the rod 18 and the outer surface 4 2 of the insulating panel 4 can be adjusted using one or more washers strung on the rod 18 from the downstream end 18 1 , until coming into contact with the abutment 20 . The establishment of these washers allows to move the support for the insulating panel 4 relative to the upstream end 18 2 . Preferably, the rod 18 has from the abutment abutment 20 , longitudinal grooves formed on the periphery of the rod to the downstream end 18 1 which has a beveled shape to facilitate the passage through the insulating panel 4 .

Selon une caractéristique préférée de réalisation, la dague 15 comporte également un organe de préhension 22 tel qu'un disque s'étendant transversalement par rapport à la tige, entre l'extrémité amont 182 de la tige et la butée d'appui 20. De préférence, cet organe de préhension 22 comporte à sa périphérie, un crantage afin de faciliter sa manoeuvre notamment lors de son insertion dans le panneau isolant 4.According to a preferred embodiment, the dagger 15 also comprises a gripping member 22 such as a disc extending transversely with respect to the rod, between the upstream end 18 2 of the rod and the bearing abutment 20 . Preferably, this gripping member 22 has at its periphery, a detent to facilitate its operation especially during its insertion into the insulating panel 4 .

Le verrou 16 se présente sous la forme d'un manchon tubulaire 23 destiné à être enfilé sur la tige 18 à partir de son extrémité aval 181 . Ce manchon tubulaire 23 est pourvu d'une contrebutée 24 destinée à venir en appui sur la face interne 41 du panneau isolant 4. Dans l'exemple illustré, la contrebutée 24 se présente sous la forme d'un disque s'étendant transversalement ou radialement à partir de l'extrémité proximale du manchon tubulaire 23.The lock 16 is in the form of a tubular sleeve 23 intended to be threaded on the rod 18 from its downstream end 18 1 . This tubular sleeve 23 is provided with a abutment 24 intended to bear on the inner face 4 1 of the insulating panel 4 . In the example shown, the abutment 24 is in the form of a disk extending transversely or radially from the proximal end of the tubular sleeve 23 .

Le verrou 16 comporte également un crochet 26 adapté pour s'accrocher avec le ferraillage de structure interne 9. Le crochet 26 s'étend ainsi radialement à partir de l'extrémité distale du manchon tubulaire 23. Dans l'exemple de réalisation illustré, le crochet 26 se présente sous la forme d'une plaquette de forme sensiblement rectangulaire, de largeur angulaire limitée de l'ordre d'une dizaine de degrés.The lock 16 also comprises a hook 26 adapted to hook with the reinforcement 9 of internal structure. The hook 26 thus extends radially from the distal end of the tubular sleeve 23 . In the exemplary embodiment illustrated, the hook 26 is in the form of a wafer of substantially rectangular shape, of limited angular width of the order of ten degrees.

Le verrou 16 et la dague 15 comporte des moyens d'assemblage permettant de fixer le verrou 16 sur la tige 18 dans une position fixe le long de la tige 18 de manière que la butée d'appui 20 et la contrebutée 24 se trouvent respectivement en appui sur les faces 41, 42 du panneau isolant 4. Dans l'exemple de réalisation illustré aux Fig. 3 à 5 , les moyens d'assemblage comportent au moins un ergot 28 porté par la tige 18 et destiné à coopérer avec au moins un logement complémentaire 29 aménagé sur le manchon tubulaire 23. Le logement 29 s'ouvre latéralement dans une rainure 30 aménagée dans le manchon tubulaire 23 jusqu'à l'extrémité proximale du manchon tubulaire 23. En d'autres termes, la rainure 30 débouche dans le logement 29 qui présente de façon décalée angulairement, une forme complémentaire à l'ergot 28 pour assurer son blocage en translation selon l'axe de la tige 18.The latch 16 and the dagger 15 comprises assembly means for fixing the latch 16 on the rod 18 in a fixed position along the rod 18 so that the abutment stop 20 and the abutment 24 are respectively in position. support on the faces 4 1 , 4 2 of the insulating panel 4. In the embodiment shown in FIGS. Fig. 3 to 5 , the assembly means comprise at least one lug 28 carried by the rod 18 and intended to cooperate with at least one complementary housing 29 arranged on the tubular sleeve 23. The housing 29 opens laterally in a groove 30 arranged in the sleeve tubular sleeve 23 to the proximal end of the tubular sleeve 23. In other words, the groove 30 opens into the housing 29 which has angularly offset, a shape complementary to the pin 28 to ensure its locking in translation according to the axis of the stem 18 .

L'ergot 28 est positionné sur la tige 18 de manière qu'en position de coopération avec le logement 29 du verrou 16, la distance entre la butée d'appui 20 et la contrebutée 24 correspondent à l'épaisseur du panneau isolant 4 ( Fig. 4 ). Selon une variante préférée de réalisation, les moyens d'assemblage sont adaptés pour permettre de régler la distance entre la butée d'appui 20 et contrebutée 24. Selon cette variante de réalisation, la tige 18 est munie d'une série d'ergots 28 distribués sur la longueur de la tige 18 pour correspondre à diverses épaisseurs classiques du panneau isolant 4. Ces ergots 28 sont répartis également angulairement sur la périphérie de la tige 18 de manière à pouvoir pénétrer chacun dans une rainure 30 correspondante aménagée sur le verrou 16. Le verrou 16 comporte ainsi autant de rainures 30 et de logements 29 que d'ergots 28, ces rainures 30 étant décalées angulairement entre elles d'une valeur égale au décalage angulaire présenté par les ergots sur la tige 18. Cette dague 15 et ce verrou 16 permettent d'être utilisés pour diverses épaisseurs du panneau isolant 4 en choisissant la coopération de l'ergot idoine avec son logement correspondant.The lug 28 is positioned on the rod 18 so that in the position of cooperation with the housing 29 of the latch 16 , the distance between the abutment stop 20 and the abutment 24 corresponds to the thickness of the insulating panel 4 ( Fig. 4 ). According to a preferred variant embodiment, the assembly means are adapted to allow the distance between the abutment stop 20 and abutment 24 to be adjusted. According to this embodiment variant, the rod 18 is provided with a series of lugs 28 distributed along the length of the rod 18 to correspond to various conventional thicknesses of the insulating panel 4 . These lugs 28 are distributed equally angularly on the periphery of the rod 18 so that they can each enter a corresponding groove 30 provided on the latch 16 . The latch 16 thus has as many grooves 30 and housings 29 as pins 28 , these grooves 30 being angularly offset from each other by a value equal to the angular offset presented by the lugs on the rod 18 . This dagger 15 and this lock 16 can be used for various thicknesses of the insulating panel 4 by choosing the cooperation of the appropriate pin with its corresponding housing.

En pratique, le verrou 16 est engagé sur la tige 18 en engageant le manchon tubulaire 23 par son extrémité proximale à partir de l'extrémité distale 181 de la tige tout en faisant coïncider angulairement chaque rainure 30 avec un ergot 28. Le verrou 16 est coulissé en rapprochement par rapport à la butée d'appui 20 jusqu'à venir en appui contre la face interne 41 du panneau isolant 4. Dans cette position, au moins un ergot 28 débouche dans un logement 29 ( Fig. 4 ) de sorte qu'une rotation relative entre le verrou 16 et la tige 18 conduit au blocage de l'ergot 28 dans le logement 29 complémentaire empêchant ainsi tout mouvement de translation ou de coulissement du verrou 16 sur la tige 18 ( Fig. 5 ). Dans cette position, le panneau isolant 4 est pourvu d'un ou de plusieurs systèmes de positionnement 13.In practice, the latch 16 is engaged on the rod 18 by engaging the tubular sleeve 23 by its proximal end from the end distal 18 1 of the rod while angularly coinciding each groove 30 with a lug 28 . The latch 16 is slid towards the abutment abutment 20 until it bears against the inner face 4 1 of the insulating panel 4 . In this position, at least one lug 28 opens into a housing 29 ( Fig. 4 ) so that a relative rotation between the latch 16 and the rod 18 leads to the locking of the lug 28 in the complementary housing 29 thus preventing any translation or sliding movement of the latch 16 on the rod 18 ( Fig. 5 ). In this position, the insulating panel 4 is provided with one or more positioning systems 13 .

Selon une caractéristique avantageuse de réalisation, les moyens d'assemblage 28, 29, 30 entre le verrou 16 et la dague 15 sont de type irréversible. Dans l'exemple illustré, après l'assemblage entre le verrou 16 et la dague 15, obtenu à la suite de la rotation relative entre le verrou 16 et la tige 18 dans un sens donné illustré à la Fig. 4 , des moyens d'irréversibilité 31 interdissent la rotation relative dans un sens contraire entre le verrou 16 et la tige 18. Ces moyens d'irréversibilité 31 permettent un blocage efficace en position entre le verrou 16 et la tige 18. A titre d'exemple, ces moyens d'irréversibilité 31 sont réalisés par des doigts déformables élastiquement adaptés pour être déformés par les ergots 28 lors du mouvement de rotation des ergots les amenant dans les logements 29. Lorsque les doigts déformables 31 ne sont plus sollicités par les ergots 28, ces doigts 31 reprennent leur position initiale assurant le blocage des ergots 28 à l'intérieur des logements 29, empêchant leur rotation dans un sens conduisant à leur sortie des logements 29.According to an advantageous embodiment, the assembly means 28, 29, 30 between the latch 16 and the dagger 15 are irreversible type. In the example illustrated, after the assembly between the latch 16 and the dagger 15 , obtained as a result of the relative rotation between the latch 16 and the rod 18 in a given direction illustrated in FIG. Fig. 4 , irreversibility means 31 prohibit the relative rotation in a contrary direction between the latch 16 and the rod 18 . These irreversibility means 31 allow effective locking in position between the latch 16 and the rod 18 . By way of example, these irreversibility means 31 are made by elastically deformable fingers adapted to be deformed by the lugs 28 during the rotational movement of the lugs leading them into the housings 29 . When the deformable fingers 31 are no longer stressed by the lugs 28 , these fingers 31 return to their initial position ensuring the locking of the lugs 28 inside the housings 29 , preventing their rotation in a direction leading to their exit from the housings 29 .

La Fig. 6 illustre un exemple de réalisation d'un dispositif d'assemblage 14 conforme à l'invention, comportant une entretoise tubulaire 33 délimitant intérieurement un alésage 34. Cette entretoise tubulaire 33 est destinée à pénétrer dans le panneau isolant 4, à partir de sa face externe 42 et à venir en appui contre les faces internes des banches 6, 7. L'entretoise tubulaire 33 présente par rapport à son sens de pénétration dans le panneau isolant 4, une extrémité aval 331 et une extrémité amont 332 . L'entretoise tubulaire 33 est munie extérieurement d'éléments tranchants ou de découpe 36 adaptés pour découper le panneau isolant 4 lors du montage de l'entretoise tubulaire 33 dans le panneau isolant 4 par un mouvement de rotation de l'entretoise tubulaire 33. Par exemple, les éléments tranchants 36 sont répartis en hélice ou selon un pas de vis facilitant sa pénétration dans le panneau isolant 4 engagé selon son extrémité aval 331 .The Fig. 6 illustrates an exemplary embodiment of an assembly device 14 according to the invention, comprising a tubular spacer 33 internally defining a bore 34 . This tubular spacer 33 is intended to penetrate into the insulating panel 4, from its outer face 2 and 4 to abut against the inner faces of the formwork 6, 7. The tubular spacer 33 has, with respect to its direction of penetration into the insulating panel 4 , a downstream end 33 1 and a upstream end 33 2 . The tubular spacer 33 is externally provided with cutting or cutting elements 36 adapted to cut the insulating panel 4 during assembly of the tubular spacer 33 in the insulating panel 4 by a rotational movement of the tubular spacer 33 . For example, the cutting elements 36 are distributed helically or in a screw thread facilitating its penetration into the insulating panel 4 engaged along its downstream end 33 1 .

Selon une caractéristique avantageuse de réalisation, l'extrémité aval 331 de l'entretoise tubulaire 33 comporte des dents 38 d'aide à la pénétration permettant d'amorcer l'opération de découpe du panneau isolant 4. Avantageusement, les dents 38 sont adaptées pour s'écraser contre la face interne de la bâche interne 6 contribuant à l'étanchéité entre la bâche interne 6 et l'entretoise tubulaire 33.According to an advantageous embodiment, the downstream end 33 1 of the tubular spacer 33 has penetration assist teeth 38 for starting the cutting operation of the insulating panel 4 . Advantageously, the teeth 38 are adapted to crash against the internal face of the inner sheet 6 contributing to the seal between the inner sheet 6 and the tubular spacer 33 .

Selon une autre caractéristique avantageuse de réalisation, l'entretoise tubulaire 33 comporte à son extrémité amont 332 , une collerette périphérique 40 à caractère déformable destinée à s'écraser par serrage afin d'assurer l'étanchéité entre la banche externe 7 et l'entretoise tubulaire 33.According to another advantageous characteristic of embodiment, the tubular spacer 33 comprises at its upstream end 33 2 , a peripheral flange 40 of deformable nature intended to collapse by clamping to ensure the seal between the outer shell 7 and the tubular spacer 33 .

De façon avantageuse, l'alésage 34 de l'entretoise tubulaire 33 comporte à partir de son extrémité amont 332 , une forme prismatique permettant de coopérer avec un outil de manoeuvre ou de vissage facilitant l'opération de pénétration dans le panneau isolant 4.Advantageously, the bore 34 of the tubular spacer 33 comprises, from its upstream end 33 2 , a prismatic shape making it possible to cooperate with an operating or screwing tool facilitating the operation of penetration into the insulating panel 4 .

Selon une variante avantageuse de réalisation, l'entretoise tubulaire 33 comporte à chaque extrémité une bague amovible. Ainsi, l'une des bagues amovibles comporte les dents 38 tandis que l'autre bague amovible comporte la collerette périphérique 40 et une forme prismatique de manoeuvre. Ces bagues sont montées par exemple par emboîtement, à chaque extrémité de l'entretoise tubulaire 33. Ces bagues présentent une forme extérieure en dépouille permettant leur enlèvement, par rapport à l'entretoise et aux parois en béton 2, 3, après la formation de ces dernières.According to an advantageous variant embodiment, the tubular spacer 33 comprises at each end a removable ring. Thus, one of the removable rings comprises the teeth 38 while the other removable ring comprises the peripheral collar 40 and a prismatic form of maneuvering. These rings are mounted for example by interlocking at each end of the tubular spacer 33 . These rings have an outer form undercut allowing their removal, relative to the spacer and the concrete walls 2, 3 , after the formation of the latter.

Le dispositif d'assemblage 14 comporte comme illustré à la Fig. 2 , également une tige de serrage 41 passant à l'intérieur de l'alésage 34 et traversant les banches 6 et 7. Cette tige de serrage 41 dépasse de part et d'autre des banches 6 et 7 pour permettre le vissage d'organes de serrage 42 tels que des écrous.The assembly device 14 comprises as illustrated in FIG. Fig. 2 , also a clamping rod 41 passing inside the bore 34 and passing through the panels 6 and 7 . This clamping rod 41 protrudes from other 6 and 7 panels to allow the screwing of clamping members 42 such as nuts.

Le procédé de réalisation d'un mur 1 découle directement de la description qui précède.The method of making a wall 1 follows directly from the foregoing description.

Le procédé selon l'invention consiste à équiper le panneau isolant 4 d'un ou plusieurs systèmes de positionnement 13 conforme à l'invention.The method according to the invention consists in equipping the insulating panel 4 with one or more positioning systems 13 according to the invention.

Tel que cela ressort plus précisément de la Fig. 7 , le procédé consiste à engager la tige 18 par son extrémité 181 dans le panneau isolant 4 jusqu'à ce que la butée d'appui 20 vienne en contact directement ou par l'intermédiaire d'une ou de plusieurs rondelles ajoutées, avec la face externe 42 du panneau d'isolation 4. Dans cette position illustrée à la Fig. 8 , la tige 18 est saillante par rapport à la face interne 41 du panneau isolant 4. Le ou les ergots 28 se trouvent ainsi situés du côté de la face interne 41 du panneau isolant 4. Le procédé selon l'invention consiste ensuite à assurer le montage du verrou 16 sur la tige 18 s'étendant en saillie à partir de la face 41 du panneau isolant 4. Le manchon tubulaire 23 du verrou 16 est enfilé sur la tige 18 à partir de son extrémité aval 181 . Tel que cela ressort plus précisément de la Fig. 4 , le verrou 16 est translaté de manière que la contrebutée 24 vienne en appui avec la face interne 41 du panneau isolant 4. Lors de cette translation, le verrou 16 est orienté angulairement de manière qu'un ergot 28 coulisse dans une rainure 30 complémentaire. Lorsque la contrebutée 24 est en appui sur la face interne 41 du panneau isolant 4, le verrou 16 est tourné angulairement par rapport à la tige 18 de manière à amener l'ergot 28 dans le logement complémentaire 29 pour permettre le verrouillage du verrou 16 dans une position fixe sur la tige 18 ( Fig. 5 )Lors de ce mouvement de rotation, l'ergot 28 déforme les doigts 31 avant de pénétrer dans le logement 29. Au terme de ce mouvement de rotation, l'ergot 28 est bloqué par les doigts 31 lui interdisant un mouvement de rotation en sens contraire. Au terme de l'opération de montage, la dague 15 et le verrou 16 sont assemblés par une liaison complète.As is more particularly apparent from the Fig. 7 the method consists of engaging the rod 18 at its end 18 1 in the insulating panel 4 until the abutment stop 20 comes into contact directly or via one or more washers added, with the external face 4 2 of the insulation board 4 . In this position illustrated in Fig. 8 , the rod 18 is projecting relative to the inner face 4 1 of the insulating panel 4. The lug or pins 28 are thus located on the side of the inner face 4 1 of the insulating panel 4 . The method according to the invention then consists in ensuring the mounting of the lock 16 on the rod 18 projecting from the face 4 1 of the insulating panel 4. The tubular sleeve 23 of the lock 16 is threaded onto the rod 18 to from its downstream end 18 1 . As is more particularly apparent from the Fig. 4 , the latch 16 is translated so that the abutment 24 bears against the inner face 4 1 of the insulating panel 4 . During this translation, the lock 16 is oriented angularly so that a lug 28 slides in a complementary groove 30 . When the abutment 24 is resting on the inner face 4 1 of the insulating panel 4 , the latch 16 is angularly rotated relative to the rod 18 so as to bring the lug 28 into the complementary housing 29 to allow locking of the latch 16 in a fixed position on the rod 18 ( Fig. 5 During this rotational movement, the pin 28 deforms the fingers 31 before entering the housing 29 . At the end of this rotational movement, the lug 28 is blocked by the fingers 31 preventing it from rotating in the opposite direction. At the end of the mounting operation, the dagger 15 and the lock 16 are assembled by a complete connection.

Indépendamment du montage des outillages 13, 4 de mise en oeuvre sur le panneau isolant 4, le procédé de réalisation d'un mur consiste à mettre en place la banche interne 6 in situ pour réaliser le mur 1. Bien entendu, la banche 6 est mise en place de manière classique par tout équipement ou outil de contreventement connu qui ne seront pas décrits plus précisément dans la suite de la description. Dans le même sens, la description qui suit décrit la réalisation d'un mur à l'aide de deux banches 6, 7 mais il est clair que, d'une manière classique, les murs nécessitent la réalisation d'un coffrage intérieur et d'un coffrage extérieur mettant en oeuvre notamment une série de banches respectivement internes et externes mises en place côte à côte selon un lit ou deux lits superposés en fonction de la hauteur du mur à réaliser. Cette technique de mise en place n'est pas décrite plus précisément car elle fait appel aux techniques classiques de construction bien connues de l'homme du métier. De manière classique, chaque banche 6, 7 comporte des trous traversants respectivement 61, 71 pour le passage d'une tige de serrage 41.Independently of the mounting of the tools 13, 4 of implementation on the insulating panel 4 , the method of making a wall is to set up the inner wall 6 in situ to achieve the wall 1 . Of course, the form 6 is set up in a conventional manner by any known equipment or bracing tool that will not be described more precisely in the following description. In the same sense, the following description describes the realization of a wall with two panels 6, 7 but it is clear that, in a conventional manner, the walls require the completion of an inner formwork and an outer formwork including a series of respectively internal and external sideboards set up side by side in a bed or two bunk beds depending on the height of the wall to achieve. This implementation technique is not described more precisely because it uses conventional construction techniques well known to those skilled in the art. Conventionally, each wall 6, 7 has through holes 6 1 , 7 1 respectively for the passage of a clamping rod 41 .

Le procédé selon l'invention consiste, comme illustré à la Fig. 9 , à mettre en place le ferraillage de structure interne 9 par rapport à la banche interne 6. La mise en place de ce ferraillage de structure interne 9 n'est pas décrit plus précisément car il est bien connu de l'homme du métier. Dans le même sens, les mannequins de réservation pour les ouvertures ou les huisseries à bancher sont positionnés sur la banche interne avant la mise en place du ferraillage de structure interne 9.The process according to the invention consists, as illustrated in Fig. 9 , to put in place the reinforcement of internal structure 9 with respect to the internal panel 6 . The establishment of this reinforcement internal structure 9 is not described more precisely because it is well known to those skilled in the art. In the same way, the reservation mannequins for the openings or the frames to bancher are positioned on the internal banche before the establishment of the reinforcement of internal structure 9 .

Le procédé selon l'invention consiste ensuite à positionner le panneau isolant 4 par rapport à la banche interne 6 devant laquelle est positionné le ferraillage de structure interne 9. Tel que cela ressort de la Fig. 10 , le panneau isolant 4 est positionné de manière à permettre la mise en butée de l'extrémité amont 181 de la tige 18 en appui sur la face interne de la banche interne 6. Dans le cas où un tel dispositif de positionnement 13 est arrêté par le ferraillage de structure interne 9, la tige 18 est tournée à l'aide de la poignée de manoeuvre 22 pour permettre au crochet 26 de traverser le ferraillage de structure interne 9 et venir ainsi s'établir entre la banche interne 6 et le ferraillage de structure interne 9. Le système de positionnement 13 assure ainsi par l'intermédiaire du crochet 26, un assemblage du panneau isolant 4 par rapport au ferraillage de structure interne 9 et un positionnement par rapport à la banche interne 6.The method according to the invention then consists in positioning the insulating panel 4 with respect to the internal panel 6 in front of which is positioned the reinforcement of internal structure 9 . As is apparent from the Fig. 10 , the insulating panel 4 is positioned so as to allow the upstream end 18 1 of the rod 18 to abut against the internal face of the internal panel 6 . In the case where such a positioning device 13 is stopped by the reinforcement of internal structure 9 , the rod 18 is turned with the help of the operating handle 22 to allow the hook 26 to pass through the reinforcement 9 and internal structure and settle between the banche internal 6 and the reinforcement of internal structure 9 . The positioning system 13 thus ensures, by means of the hook 26 , an assembly of the insulating panel 4 with respect to the reinforcement of internal structure 9 and a positioning relative to the internal panel 6 .

Le procédé selon l'invention consiste ensuite à mettre en place les dispositifs d'assemblage 14 des banches 6, 7. Dans le cas où un ferraillage de structure externe 11 est incorporé à la paroi externe 3, ce ferraillage 13 est mis en place du côté de la face externe 42 du panneau isolant 4 ( Fig. 11 ). Le ferraillage de structure externe 11 s'établit donc de préférence au niveau de la poignée de préhension 22 qui assure une liaison avec ce ferraillage de structure externe 11.The method according to the invention then consists in setting up the assembly devices 14 of the panels 6, 7 . In the case where a reinforcement of external structure 11 is incorporated in the outer wall 3 , this reinforcement 13 is put in place on the side of the outer face 4 2 of the insulating panel 4 ( Fig. 11 ). The reinforcement of external structure 11 is thus preferably established at the level of the gripping handle 22 which provides a connection with this reinforcement of external structure 11 .

Le procédé selon l'invention consiste ensuite à mettre en place une ou plusieurs entretoises tubulaires 33 destinées à venir s'établir entre les deux banches 6, 7. Le procédé selon l'invention consiste donc à placer chaque entretoise tubulaire 33 en alignement avec un trou 61 aménagé dans la banche interne 6. Selon une variante avantageuse de réalisation, il peut être envisagé de passer à travers le trou 61 et le panneau isolant 4 une aiguille débouchant du côté de la face externe 42 du panneau isolant 4 de manière à repérer l'axe d'un trou 61 de la banche interne 6. L'entretoise tubulaire 33 est alors enfilée sur l'extrémité de l'aiguille faisant saillie de la face externe 42 du panneau isolant 4 pour venir par son extrémité aval 38 en contact avec le panneau isolant 4. La rotation de l'entretoise tubulaire 33 conduit à sa pénétration grâce aux éléments tranchants 36 à l'intérieur du panneau isolant 4. Après avoir traversée le panneau isolant 4, l'entretoise tubulaire 33 vient en butée, par son extrémité aval 331 , contre la face interne de la banche interne 6 ( Fig. 12 ). Dans cette position, après le retrait de l'aiguille de prépositionnement, la tige de serrage 41 est enfilée à travers le trou 61 de la banche 6 et de l'alésage 34 de l'entretoise tubulaire 33 chassant ainsi la carotte du panneau isolant 4 réalisé par l'entretoise tubulaire 33 ( Fig. 13 ).The method according to the invention then consists in putting in place one or more tubular spacers 33 intended to be established between the two panels 6, 7 . The method according to the invention therefore consists in placing each tubular spacer 33 in alignment with a hole 6 1 formed in the inner panel 6 . According to an advantageous embodiment, it may be envisaged to pass through the hole 6 1 and the insulating panel 4 a needle opening on the side of the outer face 4 2 of the insulating panel 4 so as to locate the axis of a hole 6 1 of the internal section 6 . The tubular spacer 33 is then threaded onto the end of the needle protruding from the outer face 4 2 of the insulating panel 4 to come through its downstream end 38 in contact with the insulating panel 4 . The rotation of the tubular spacer 33 leads to its penetration thanks to the cutting elements 36 inside the insulating panel 4 . After passing through the insulating panel 4 , the tubular spacer 33 comes into abutment, by its downstream end 33 1 , against the internal face of the internal panel 6 ( Fig. 12 ). In this position, after the withdrawal of the prepositioning needle, the clamping rod 41 is threaded through the hole 6 1 of the block 6 and the bore 34 of the tubular spacer 33 thus driving the core of the insulating panel 4 made by the tubular spacer 33 ( Fig. 13 ).

Le procédé selon l'invention consiste à mettre en place la banche externe 7 pour venir en appui sur l'extrémité amont 332 de l'entretoise tubulaire 33. Lors de cette opération, la tige de serrage 41 est engagée à l'intérieur d'un trou de passage 71 aménagé dans la banche externe 7 ( Fig. 2 ). Dans cette position, la tige de serrage 41 traverse complètement les banches 6, 7 et le panneau d'isolation 4 en s'étendant de part et d'autre des banches 6, 7. La tige de serrage 41 sert alors au montage d'organes de serrage tels que des écrous 42 permettant d'assurer le blocage en position des banches 6, 7 entre elles. Il est à noter que lors de cette opération, le serrage des écrous 42 permet d'assurer une déformation localisée des extrémités aval 331 et amont 332 de l'entretoise tubulaire 33 de manière à assurer une étanchéité entre cette entretoise tubulaire 33 et les banches 6, 7.The method according to the invention consists in putting in place the outer wall 7 to bear on the upstream end 33 2 of the spacer tubular 33 . During this operation, the clamping rod 41 is engaged inside a through hole 7 1 provided in the outer wall 7 ( Fig. 2 ). In this position, the clamping rod 41 completely traverses the panels 6, 7 and the insulation panel 4 extending on either side of the panels 6, 7 . The clamping rod 41 then serves to mount clamping members such as nuts 42 to ensure the locking in position of the panels 6, 7 between them. It should be noted that during this operation, the tightening of the nuts 42 ensures a localized deformation of the downstream ends 33 1 and upstream 33 2 of the tubular spacer 33 so as to ensure a seal between this tubular spacer 33 and the 6, 7 .

Dans la mesure où le coffrage intérieur et le coffrage extérieur sont réalisés, il peut être envisagé l'opération de bétonnage visant à assurer l'injection simultanée ou sensiblement simultanée du béton entre le panneau isolant 4 et les banches 6, 7 pour réaliser simultanément les parois interne 6 et externe 7. Le béton peut être coulé soit à partir de la partie supérieure des banches ou de préférence de la partie basse du coffrage intérieur et du coffrage extérieur. Par exemple, les buses d'injection sont placées à la partie basse d'une paire de banches interne 6 et externe 7 placées en vis-à-vis de manière à permettre la coulée du béton à partir de la partie basse des banches. Compte tenu de la mise en place d'une part, des systèmes de positionnement 13 et des dispositifs d'assemblage 14 d'autre part, le panneau isolant 4 et les ferraillages de structure 9, 11 restent en place pendant la coulée du béton. En particulier, le panneau isolant 4 ne se soulève pas lors de l'opération de coulage du béton simultané entre les banches 6, 7 et le panneau isolant 4.Insofar as the inner formwork and the external formwork are made, it is possible to envisage the concreting operation intended to ensure the simultaneous or substantially simultaneous injection of the concrete between the insulating panel 4 and the panels 6, 7 to simultaneously realize the internal 6 and outer walls 7 . The concrete may be poured either from the top of the panels or preferably from the lower part of the internal formwork and the external formwork. For example, the injection nozzles are placed at the lower part of a pair of internal 6 and external 7 external boards placed in facing relation so as to allow pouring of concrete from the lower part of the boards. Given the implementation on the one hand, positioning systems 13 and assembly devices 14 on the other hand, the insulating panel 4 and structural reinforcement 9, 11 remain in place during the pouring of the concrete. In particular, the insulating panel 4 does not lift during the simultaneous concrete pouring operation between the panels 6, 7 and the insulating panel 4 .

Après solidification du béton, le procédé selon l'invention consiste ensuite à retirer la tige de serrage 41 en desserrant les écrous 42 et à retirer les banches 6, 7. Il est à noter que dans le cas où les entretoises tubulaires 33 sont munies de bagues amovibles à leurs extrémités, ces bagues amovibles sont retirées de sorte que les entretoises tubulaires qui restent en place ne sont plus affleurantes avec les faces externes des parois 2, 3. Le mur 1 réalisé incorpore ainsi les dispositifs d'assemblage 14 et les systèmes de positionnement 13 qui montés de manière indépendante les uns aux autres assurent ainsi en combinaison une retenue mécanique de la paroi externe 3 par rapport à la paroi interne 2. Le mur ainsi édifié possède de bonnes caractéristiques de résistance mécanique.After solidification of the concrete, the method according to the invention then consists in removing the clamping rod 41 by loosening the nuts 42 and removing the panels 6, 7 . It should be noted that in the case where the tubular spacers 33 are provided with removable rings at their ends, these removable rings are removed so that the tubular spacers which remain in place are no longer flush with the outer faces of the walls 2, 3 . The wall 1 made thus incorporates the assembly devices 14 and the positioning systems 13 which are mounted independently of one another and thus provide in combination a mechanical retention of the outer wall 3 with respect to the inner wall 2 . The wall thus built has good characteristics of mechanical strength.

Le procédé selon l'invention permet ainsi de réaliser relativement facilement in situ, un mur sandwich intégrant directement l'isolation thermique entre deux parois en béton réalisées simultanément.The method according to the invention thus makes it possible relatively easily in situ, a sandwich wall directly integrating the thermal insulation between two concrete walls made simultaneously.

Dans la description qui précède, les systèmes de positionnement 13 sont réalisés en matière plastique telle qu'en polymère. Selon cette variante de réalisation, la dague 15 et le verrou 16 sont réalisés par moulage. De même, l'entretoise tubulaire 33 est réalisée en matière plastique telle qu'en polymère.In the above description, the positioning systems 13 are made of plastic material such as polymer. According to this embodiment, the dagger 15 and the latch 16 are made by molding. Similarly, the tubular spacer 33 is made of plastic material such as polymer.

La Fig. 14 illustre une autre variante de réalisation d'un système de positionnement 13 conforme à l'invention réalisé en un matériau métallique. Selon cette variante de réalisation, le système de positionnement 13 comporte une tige 18 filetée destinée à recevoir d'un côté une douille taraudée 45 pourvue de la butée d'appui 20 et d'un organe de manoeuvre 22. Cette douille taraudée 45 montée sur la tige filetée 18 forment ensemble une dague 15. La tige 18 est destinée à recevoir à l'extrémité opposée de celle pourvue de la douille taraudée 45, un verrou 16 comportant un manchon tubulaire 23 taraudé et équipé d'une contrebutée 24 et du crochet 26. Selon cette variante de réalisation, la tige filetée 18, la bague taraudée et le verrou 16 sont réalisés en un matériau métallique.The Fig. 14 illustrates another alternative embodiment of a positioning system 13 according to the invention made of a metallic material. According to this variant embodiment, the positioning system 13 comprises a threaded rod 18 intended to receive on one side a threaded bush 45 provided with the abutment stop 20 and an actuator 22 . This threaded bushing 45 mounted on the threaded rod 18 together form a dagger 15 . The rod 18 is intended to receive at the end opposite that provided with the threaded sleeve 45 , a latch 16 comprising a tubular sleeve 23 threaded and equipped with a buttress 24 and the hook 26 . According to this variant embodiment, the threaded rod 18 , the threaded ring and the lock 16 are made of a metallic material.

L'invention n'est pas limitée aux exemples décrits et représentés car diverses modifications peuvent y être apportées sans sortir de son cadre.The invention is not limited to the examples described and shown because various modifications can be made without departing from its scope.

Claims (15)

  1. A method for the construction of a wall (1) comprising two generally vertical and substantially parallel concrete walls (2, 3) having at least one insulation board (4) clamped therebetween, the two walls (2, 3) being produced simultaneously or substantially simultaneously by pouring concrete between the insulation board (4) and an internal (6) and an external (7) form panel, positioned on either side of said insulation board, the insulation board (4) being maintained between the two form panels, before pouring the concrete, using positioning systems (13) passing through the insulation board (4) and bearing on the inner surfaces of the form panels (6, 7), the two form panels being kept in position using assembly devices (14), the method being characterized by the installation:
    - positioning systems (13) on each insulation board (4) prior to the positioning thereof, each of said systems (13) comprising at least one angularly orientable hook (26) extending withdrawn from the free end (181 ) of the positioning system,
    - an internal reinforcement (9) on the internal side of the internal form panel (6),
    - each insulation board (4) such that the positioning systems (13) extend through the internal reinforcement (9), with possible rotation of said systems for the passage of hooks (26) and their assembly with said internal structural reinforcement (9),
    - for each assembly device (14) and prior to the positioning of the external form panel (7), a tubular spacer (33) which extends through the insulation board (4) and after the positioning of the external form panel (7), bearing sealably on the internal surfaces of the form panels (6, 7), each tubular spacer (33) being passed through by a tightening rod (41) extending toward the exterior of the form panels in order to receive a tightening member at each end (42).
  2. The method according to claim 1, characterized in that it consists of installing the positioning systems (13) on each insulation board (4) by slipping the shaft (18) of a blade (15) as far as a bearing stop (20), a bolt (16) provided with a hook (26) being assembled on the shaft (18) protruding past the insulation board (4), when a counter thrust bearing (24) supported by the bolt (16) bears against the insulation panel (4).
  3. The method according to claim 2, characterized in that it consists of assembling the bolt (16) on the blade (15) by ensuring the sliding thereof on the blade until the counter thrust bearing (24) is made to bear in the insulation board (4) and rotating it to engage at least one lug (28) supported by the blade in a housing (29) formed on the bolt.
  4. The method according to claim 1 or 2, characterized in that it consists of cutting part of the length of the shaft (18) of the blade to adapt it to the thickness of the concrete walls (2, 3).
  5. The method according to claim 1, characterized in that it consists of installing the tubular spacers (33) in the insulation board (4) using a rotational movement to cut the insulation board using cutting elements (36) outwardly equipping the tubular spacers.
  6. A tool for implementing the construction method according to one of claims 1 to 5, characterized in that it comprises:
    - systems (13) for positioning the insulation board (4) between the form panels (6, 7), each comprising at least one angularly orientable hook (26) extending withdrawn from the free end (181 ) of the positioning system,
    - devices (14) for assembling the form panels (6, 7) with one another each comprising a tubular spacer (33), the inside of which is passed through by a gripping shaft (41) provided with a gripping member (42) at each end.
  7. The tool according to claim 6, characterized in that each positioning system (13) comprises, on the one hand, a blade (15) having a shaft (18) provided with a bearing stop (20) and, on the other hand, a bolt (16) provided with a hook (26) and a counter thrust bearing (24), the bolt (16) and the blade (15) comprising assembly means (28, 29, 30) between the bolt and the blade.
  8. The tool according to claim 7, characterized in that the assembly means comprise at least one lug (28) formed on the shaft (18) of the blade and cooperating with a housing (29) formed on the bolt (16) after rotation thereof.
  9. The tool according to claim 7 or 8, characterized in that the assembly means (28, 29, 30) between the bolt (16) and the blade (15) are of the irreversible type.
  10. The tool according to claim 7, characterized in that the blade comprises a gripping disk (22) between the end of the shaft and the bearing stop (20).
  11. The tool according to claim 6, characterized in that the positioning system (15) comprises a threaded rod (18) on which, on the one hand, a sleeve (45) is screwed provided with a gripping disk (22) and a bearing stop (20) and, on the other hand, a bolt (16) provided with the hook (26) and a counter thrust bearing (24).
  12. The tool according to claim 6, characterized in that the downstream end of the tubular spacer (33) comprises teeth (38) assisting with penetration, and the upstream end comprises a deformable sealing flange (40).
  13. The tool according to claim 12, characterized in that the tubular spacer (33) is outwardly provided with cutting elements (36) to cut the insulation board (4) during the rotation of the tubular spacer.
  14. The tool according to claim 12 or 13, characterized in that at its upstream end (332 ) and inside its bore (34), the tubular spacer (33) comprises a prismatic shape cooperating with a screwing tool.
  15. The tool according to one of claims 12 to 14, characterized in that the tubular spacer (33) is provided with a removable ring at each end.
EP11712645.8A 2010-03-01 2011-02-25 Method and equipment for the in situ construction of a sandwich wall comprising two concrete walls separated by an insulation board Active EP2542739B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11712645T PL2542739T3 (en) 2010-03-01 2011-02-25 Method and equipment for the in situ construction of a sandwich wall comprising two concrete walls separated by an insulation board

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1051467A FR2956871B1 (en) 2010-03-01 2010-03-01 METHOD AND TOOLING FOR THE IN SITU PRODUCTION OF A SANDWICH WALL COMPRISING TWO CONCRETE WALLS SEPARATED BY AN INSULATING PANEL
PCT/FR2011/050396 WO2011107696A1 (en) 2010-03-01 2011-02-25 Method and equipment for the in situ construction of a sandwich wall comprising two concrete walls separated by an insulation board

Publications (2)

Publication Number Publication Date
EP2542739A1 EP2542739A1 (en) 2013-01-09
EP2542739B1 true EP2542739B1 (en) 2015-03-04

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Application Number Title Priority Date Filing Date
EP11712645.8A Active EP2542739B1 (en) 2010-03-01 2011-02-25 Method and equipment for the in situ construction of a sandwich wall comprising two concrete walls separated by an insulation board

Country Status (9)

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EP (1) EP2542739B1 (en)
CN (1) CN102782231B (en)
ES (1) ES2538084T3 (en)
FR (1) FR2956871B1 (en)
PL (1) PL2542739T3 (en)
PT (1) PT2542739E (en)
RS (1) RS54097B1 (en)
RU (1) RU2553698C2 (en)
WO (1) WO2011107696A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3009569A1 (en) * 2013-08-08 2015-02-13 Hubert Delachatre METHOD FOR MANUFACTURING A WALL COMPRISING A STEP FOR ESTABLISHING A STRUCTURE MADE FROM AN INSULATING PANEL, AND CORRESPONDING CORRESPONDENCE
CN103615109B (en) * 2013-11-29 2015-10-21 四川省晟茂建设有限公司 A kind of Screw arbor with nut at both-ends
DK3385469T3 (en) * 2017-04-06 2020-03-16 Ulma C Y E S Coop ANCHORED UNIT FOR A HORIZED FORDLINE AND HORNED FORDLINE
FR3072701B1 (en) 2017-10-19 2020-11-06 G B E TOOLS FOR IN-SITU REALIZATION OF A SANDWICH WALL AND PROCESS BY APPLYING
CN111502083B (en) * 2020-01-21 2023-06-30 北京首钢建设集团有限公司 Method for preventing CL board from shifting
CN113006311A (en) * 2021-02-26 2021-06-22 阳翼 Building wall heat preservation and insulation system
CN114482344A (en) * 2022-03-01 2022-05-13 中建八局第三建设有限公司 Cast-in-place concrete sandwich outer wall construction method capable of improving construction efficiency
CN115324255B (en) * 2022-09-01 2023-08-11 中建八局第一建设有限公司 Mixed steel hollow sandwich plate floor system for stadium

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GB631100A (en) * 1945-01-16 1949-10-27 Ernest Walter Rose Improvements in and connected with the construction of concrete buildings and like structures
GB638910A (en) * 1947-02-19 1950-06-21 Alan Cromarty Reid Improvements in or relating to shuttering for use in the casting in situ of concretecavity walls
US2645929A (en) * 1948-12-09 1953-07-21 Cable B Jones Tie bar for insulated concrete walls
US3822860A (en) * 1972-03-07 1974-07-09 P Lovisa Reusable tie assembly for concrete forms
US4393635A (en) * 1981-04-30 1983-07-19 Long Robert T Insulated wall construction apparatus
FR2759106B1 (en) * 1997-01-31 1999-04-23 Sols Et Fondations METHOD FOR THE SIMULTANEOUS REALIZATION OF TWO CONCRETE WALLS SEPARATED BY AN EMPTY SPACE
FR2776319B1 (en) * 1998-03-17 2000-06-16 Sols Et Fondations METHOD AND DEVICE FOR THE SIMULTANEOUS REALIZATION OF TWO CONCRETE WALLS SEPARATED BY AN EMPTY SPACE
US7934693B2 (en) * 2003-11-25 2011-05-03 Bravinski Leonid G Formwork for erecting reinforced concrete walls, including concrete walls with textured surfaces
RU2256754C1 (en) * 2004-01-22 2005-07-20 Краснов Григорий Алексеевич Method for separate cast-in-place building structure erection
RU2006138009A (en) * 2006-10-27 2008-05-10 Николай Павлович Соколов (RU) METHOD FOR ESTABLISHING MONOLITHIC WALLS OF BUILDINGS AND STRUCTURES IN NON-CONSTANT FORMWORK
MX2007016566A (en) * 2007-12-19 2009-06-19 Fernando Javier Humphrey Hoyos Improvement to construction system with contact formworks.

Also Published As

Publication number Publication date
PL2542739T3 (en) 2015-08-31
FR2956871A1 (en) 2011-09-02
CN102782231A (en) 2012-11-14
WO2011107696A1 (en) 2011-09-09
EP2542739A1 (en) 2013-01-09
RU2553698C2 (en) 2015-06-20
RS54097B1 (en) 2015-10-30
FR2956871B1 (en) 2012-03-16
CN102782231B (en) 2015-07-22
RU2012140410A (en) 2014-04-10
ES2538084T3 (en) 2015-06-17
PT2542739E (en) 2015-07-07

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