EP3508667A1 - Procédé de raccordement d'un écarteur avec un fer de raccord, dispositif support d'écarteur et support de butée, cale et support - Google Patents

Procédé de raccordement d'un écarteur avec un fer de raccord, dispositif support d'écarteur et support de butée, cale et support Download PDF

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Publication number
EP3508667A1
EP3508667A1 EP19155671.1A EP19155671A EP3508667A1 EP 3508667 A1 EP3508667 A1 EP 3508667A1 EP 19155671 A EP19155671 A EP 19155671A EP 3508667 A1 EP3508667 A1 EP 3508667A1
Authority
EP
European Patent Office
Prior art keywords
wedge
spacer
holder
spacer rod
rod
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.)
Pending
Application number
EP19155671.1A
Other languages
German (de)
English (en)
Inventor
Pino Albanese
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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP3508667A1 publication Critical patent/EP3508667A1/fr
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • E04G17/064—Spacers placed on the bottom of the mould
    • 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
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
    • 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
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
    • E04C5/167—Connection by means of clips or other resilient elements

Definitions

  • the invention relates to a method for connecting a spacer with a terminal iron according to the preamble of patent claim 1, a spacer and stop holder assembly according to the features of claim 3, a wedge according to the preamble of claim 7 and a holder according to the preamble of claim 11.
  • two formworks When constructing walls made of concrete, two formworks must first be accurately positioned on the surface of an existing component, that is to say a substructure from which connecting reinforcement bars protrude. On the one hand, the mutual distance of the two formworks must be maintained exactly and on the other hand, on the other hand, the exact position of the formwork is necessary to create the wall at the correct position on the Operabaute.
  • the formworks are held in a known manner by distance and stop holder at a mutual distance and at a predetermined location and also held together by suitable means for receiving the forces of the liquid concrete.
  • the spacers consisting of a spacer rod with attached at both ends, are attached to the NASAarm istseisen, short connection iron, and must be to the exact Aligned to the appropriate mark on the surface of the substructure of the future wall can be aligned and fixed there. Therefore, the spacer rod must be able to be accurately aligned with respect to the reinforcing iron to which it is to be fastened and fixed after alignment. Since the terminal reinforcing bars do not always protrude with respect to the markings exactly at the same location from the surface of the structure, the spacer bars can not all be fastened in the same place and consequently must be alignable with respect to the axis of the connecting bars.
  • Such a spacer arrangement as in the EP 1 197 617 essentially comprises a in cross-section U-shaped holder which can be applied to a protruding from the surface of the structure connecting iron from above or from the side. With a wedge, at the upper end in a recess of the spacer rod is guided, a connection between the terminal iron and the spacer rod can be achieved by driving the wedge into the holder.
  • a disadvantage of this device is the fact that the spacer rod and the connecting iron come to rest through the wedge substantially only punctiform together and only at this point all forces occur, which extend axially to the spacer rod, are added. This connection is insufficient and can lead to inaccurate positioning of walls. in the Furthermore, the spacer rod can slip out of the holder during the impact of the wedge.
  • a spacer assembly is known in which the spacer rod is inserted into one of the holes in the U-shaped holder.
  • the holder is designed such that it can be brought laterally to the connection iron and partially this can be arranged wrapped around.
  • the holder may bend apart and consequently the safety of a precise and force-absorbing connection is lost.
  • a method for setting a stop or spacer is known in which the clamping device for performing the method to attach a spacer rod to a Arm michsan gleicheisen, a U-shaped profile is provided at the two end faces on the legs each have a diametrically opposite recess to Insertion of the stop or spacer is provided. With a wedge, which is taken between the connecting iron and the spacer iron, the clamping or connection between the connecting iron and spacer takes place.
  • the at the U-shaped profile pieces frontally mounted recesses are arranged at different distances from the free edges of the legs of the profile piece to the clamping device on two different thicknesses, so fastener iron with different diameters to attach.
  • This clamp has the Disadvantage that on the one hand a slightly loser wedge, which is also difficult to handle with gloves, must be used and on the other hand, for example, the usual eight diameter of connection iron between 6 mm and 21 mm four differently shaped clamps held in stock and brought to the site and then still to be selected by the construction worker.
  • An object of the present invention is to provide a method for connecting a spacer rod to a terminal iron, a further object of the invention is to provide a wedge.
  • a further object of the present invention is to provide a spacer assembly which is inexpensive to manufacture and can be used on the construction site without explanation and prior provision of a suitable diameter of the connector iron holder and which in particular ensures a perfect connection between a connecting iron and a spacer rod.
  • the inventive spacer assembly can be pre-assembled in the factory, so that only two parts, namely the holder and the wedge with factory-introduced spacer rod must be delivered to the site. Because this spacer assembly is suitable for all common diameter of the connection iron, must not different sizes are kept in stock and delivered to the construction site. The handling of this two-part arrangement is extremely simple and the construction worker does not have to consider how to fit the two elements together, because by applying the holder to the connecting iron and placing the wedge on the holder it will automatically slide into the diameter of the Connection iron associated recess. After placing the wedge on the holder and aligning the spacer rod with the marker, the wedge can be swung up until it rests with its back on the terminal iron.
  • the insertion of the wedge with the spacer rod in the holder is also simplified because the front end of the wedge is designed to taper and therefore the wedge does not need to be placed exactly on the holder because it centers itself by itself. Furthermore, the narrow end of the wedge from the back of the wedge ago also oblique running, so that a centering of the wedge with respect to the connecting iron inevitably takes place. Furthermore, this design of the wedge allows that with the same holder and only three different insertion areas in the holder all at least eight common diameters of terminal iron can be detected. It is no longer necessary to pre-select one of, for example, three different recesses on the holder, but the wedge with the spacer rod attached thereto slides without further Dazutun in the appropriate recess.
  • the spacer rod dissolves from the latter when the wedge is driven in, the optimum and largest possible clamping force between the wedge, holder and connecting iron can always be achieved.
  • the preparation of the spacer assembly is very cost-effective, since both the wedge and the holder are each made of a strip material by a punching and subsequent bending in a follow-up tool can be produced.
  • Reference numeral 1 denotes a spacer arrangement. This comprises a spacer rod 3 - short rod 3 - and at least at one end of the spacer rod 3, an end piece 5.
  • the spacer rod 3 may be a portion of a reinforcing iron or other formed existing steel rod.
  • the end piece 5 is made of plastic or concrete and prevents the steel bar 3 from causing rust damage to the surface of the concrete wall.
  • the spacer rod 3 is held in a wedge 7 axially displaceable.
  • the spacer assembly 1 comprises a holder 9 with a U-shaped cross section (horizontal cross section).
  • the holder 9 may also have a closed, for example rectangular cross-section.
  • connecting iron 11 visible, which represented part of a reinforcement in a floor or ceiling slab of a building.
  • the connecting iron 11 and the substructure 12, from which the connecting iron 11 protrudes, are not part of the spacer assembly 1, but are shown only schematically to explain the position, the function of the spacer 1 and its attachment to the connecting iron 11.
  • the wedge 7 will be described in more detail below.
  • the wedge 7 according to the Figures 5a-5c is produced by a punching and bending process of a steel plate.
  • FIG. 5c it can be seen that the wedge 7 has a U-shaped configuration in a horizontal section.
  • the two side surfaces 13, 15 are from above conically tapered downwards ( Fig. 5a ).
  • the side surfaces 13, 15 connected by a web 17 with each other.
  • a longitudinal groove 19 is preferably formed.
  • the groove 19 serves to get in mated spacer assembly in abutment with the connecting iron 11 and the wedge 7 with respect to this center, ie forcibly assume an axially parallel position and thereby form a large contact area with the connecting iron 11.
  • the wedge 7 At the lower end of the tapered from top to bottom side surfaces 13, 15 of the wedge 7 is formed as a holding element substantially a substantially semicircular guide ring 21.
  • the inner diameter of the guide ring 21 is slightly larger than the diameter of the spacer rod 3.
  • the distance between the leading or cutting edge 23 at the end of the guide ring 21 to the front edge 23 of the side surfaces 13, 15 is smaller than the diameter of the spacer rod 3, so that the spacer rod 3 always kept loose, but axially free 29iebbbar.
  • the wedge 7 preferably comprises at its upper end two tabs 25, which connect to the side surfaces 13, 15 and substantially at a right angle to the side surfaces 13, 15 are mutually bent and a striking surface for driving the wedge 7 with a tool how to make a hammer.
  • the width of the two tabs 25 substantially corresponds to the width of the side surfaces 13, 15, so that the upper edge of the web 17 connecting the two side surfaces 13, 15 laterally below the clubface ends.
  • the flaps 25 may be omitted or replaced by a single flap 25.
  • the wedge 7 also consist of compression or injection molding.
  • the wedge 7 is made of solid material, for example made of steel, aluminum or plastic.
  • the wedge 7 made of solid material comprises a wedge element 8 which is rectangular in cross-section and has a lobe 10 shaped in the form of a circle at the lower end of which it has the smallest cross-section.
  • Both the wedge element 8 and the flap 10 as a guide ring 21 are preferably conically converging, ie from the impact surface at the upper end of the wedge element 8 to the end of the flap 10, the width of the wedge 7 decreases steadily or in steps.
  • the holder 9 has a U-shaped or rectangular-shaped horizontal cross-section and consists of a punched-bent part made of steel or of a plastic molded part.
  • the two leg surfaces 27 and 29 are the back (in the FIGS. 8 and 9 on the left side) through a base surface 31.
  • the base surface 31 is preferably V-shaped and encloses an angle of about 135 ° or is circular sectioned to center the holder 9 after application to a terminal iron 11 and to form a large contact surface.
  • a respective cutout 33 is formed in the two leg surfaces 27 and 29 .
  • the first edge 35 of the cutouts 33 which are closer to the base surface 31, are at an acute angle to the base surface 31 arranged.
  • the acute angle is about 5 ° to 30 °.
  • the second edges 37 that is, the edges facing away from the base surface 31, extend at an angle of approximately 30 ° to 45 ° and comprise a plurality of substantially three semicircular recesses 39, for example. Their center points may be on a straight line or on an arcuate line of the second Edge 37 lie (see. FIG. 8 with straight line).
  • the circle centers of the recesses 39 are preferably on a straight line which is parallel to the edge 35.
  • the cutouts 33 are used to hold the spacer rods 3, which are inserted depending on the diameter of the connecting iron 11 in the corresponding recesses 39 and slide by gravity in each case in the corresponding recesses 39 when they abut when inserting to the connecting iron 11.
  • the two leg surfaces 27,29 are arranged conically in a preferred embodiment of the invention in such a way that the open end, ie at the location of the free edges of the side surfaces 27,29, the distance larger than in the area of the base surface 31.
  • This expansion facilitates the insertion or insertion of the spacer rod 3, which is held by the wedge 7.
  • the wedge 7 with the spacer rod 3 in the holder 9 can be inserted and this substantially by Gravity inserts itself into the correct recess 39.
  • a cutout 33 with parallel flanks without steps can also be provided in a simple embodiment (see FIG. Figures 25-30 ).
  • This embodiment also makes it possible to use a holder 9 for a plurality of different diameters of connecting iron 11.
  • the fixing of the spacer rod 3 on the connecting iron 11 is analogous to the previous example by the spacer rod 3 held on the wedge 7 inserted into the cutout 33 and slides by itself in these down and abuts there depending on the diameter of the connecting iron 11 and then the wedge 7 with a hammer blow is moved down, the spacer rod 3 is released from the wedge 7, further slides down and fixation takes place.
  • At the lower edges of the holder 9 or the leg surfaces 27 and 29 and the base surface 31 may be formed projecting down pangs 41. These serve to anchor the holder 9 on a surface of the substructure 12 (FIG. Fig. 8 ).
  • FIG. 11 shows a connecting iron 11, namely that on the construction with the smallest diameter, with a spacer assembly 1 in a definitely fastened state.
  • the spacer rod 3 is in the recess 39 of the holder 9 in position I (see also Fig. 8 ).
  • the wedge 7 has already been knocked down and the annular guide 21 has been spread apart so far when hitting the wedge 7, that the spacer rod 3 has detached from the wedge 7 and is now clamped in the recess I.
  • the spacer rod 3 can not slide out of the recess 39 because the distance between the recess position I and position II to the inclined surface of the wedge 7 is smaller than the diameter of the spacer rod third
  • FIG. 12 shows a connecting iron 11 with a larger diameter, namely the diameter 8 mm. Even an 8 mm connecting iron 11 - the smallest commercially available - inevitably enters when inserting into the recess 39 position I, that is, the lowest lying.
  • the wedge 7 is not yet taken and therefore only in the inserted by hand or by sliding in position.
  • the guide ring 21 opens, so that the wedge 7 alone slides further down and causes the clamping.
  • FIG. 13 now shows a connection iron 11 with a diameter of 10 mm.
  • FIG. 14 shows a connection iron with a diameter of 12 mm. Again, the spacer rod 3 snaps when inserting inevitably in the position II of the recesses, before the wedge 7 is beaten down.
  • FIG. 15 clearly shows that a 14 mm diameter connecting iron 11 also slides into position II when the spacer rod 3 is inserted into the holder 9. An enlarged view of this situation is in FIG. 10 shown.
  • the spacer rod 3 inevitably slides in the uppermost position III, that is, the farthest from the spacer rod position, as in FIG. 16 apparent because the path to position II is too narrow. After driving in the wedge 7 this in turn slides far down until the clamping is reached. It can be seen that the clamping point on the wedge 7 between high ( Fig. 16 ) and far below ( FIGS. 12, 15, 18 ) varies. In FIG. 17 the connecting iron 11 is already 18 mm thick. The spacer rod 3 slides in turn in the uppermost position III and after the wedge of the wedge this slides less far down until the complete clamping is achieved.
  • a connecting iron with the diameter 20 mm, as in FIG. 18 can be connected to a spacer bar 3 with the same holder.
  • a spacer bar 3 with the same holder.
  • the spacer rod 3 slides in turn in the uppermost recess 39 (position III) and after a hit on the wedge 7 this slides only slightly down and yet achieved the highest possible clamping force.
  • FIGS. 19 to 21 show the formation of the inserted into the wedge 7 and the guide rings 21 spacer rod 3.
  • the guide rings 21 on the wedge 7 at their in FIG. 21 approaching vertex S, ie, the two surfaces formed by the guide rings 21 are conical.
  • This conical guide facilitates the insertion of the spacer rod 3, which is held on the wedge 7, in the holder 9, as shown in the FIGS. 22 to 24 is shown in detail.
  • the construction worker detects the wedge 7. Since the spacer rod 3 is held in the guide rings 21, the wedge 7 rotates automatically without further action by the construction worker in the FIGS. 21 to 24 shown location, namely the wedge 7 is above and the spacer rod 3 is located on the underside.
  • the hand 43 moves in the direction of the arrow P ( FIG. 22 ) and leaves the wedge 7 with the spacer rod 3 in the cutout 33 on the holder 9 to slide or even fall.
  • the wedge 7 can be placed in any position between vertical (not shown) to horizontal on the holder 9 and then released. Due to the v-shaped arrangement of the two guide rings 21 and the conical shape of the side surfaces 13,15 on the holder inserting the wedge 7 in the holder 9 is unproblematic or the wedge 7 is centered by itself when placed on the widened holder 9. Well slides the wedge 7 with the spacer rod 3 (in the Figures 22-24 left) as far down until the spacer rod 3 rests on the connecting iron 11.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP19155671.1A 2017-02-01 2018-01-31 Procédé de raccordement d'un écarteur avec un fer de raccord, dispositif support d'écarteur et support de butée, cale et support Pending EP3508667A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00117/17A CH713432A2 (de) 2017-02-01 2017-02-01 Verfahren zum Verbinden eines Distanzhalterstabs mit einem Anschlusseisen an einer Teilbaute, sowie einen Keil, eine Abstand- und Anschlaghalteranordnung und ein Halter.
EP18154330.7A EP3358105A1 (fr) 2017-02-01 2018-01-31 Procédé de raccordement d'un élément d'écartement à un fer de raccordement, à une cale, à un dispositif d'espacement et de pointage et à un support

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP18154330.7A Division EP3358105A1 (fr) 2017-02-01 2018-01-31 Procédé de raccordement d'un élément d'écartement à un fer de raccordement, à une cale, à un dispositif d'espacement et de pointage et à un support

Publications (1)

Publication Number Publication Date
EP3508667A1 true EP3508667A1 (fr) 2019-07-10

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP18154330.7A Pending EP3358105A1 (fr) 2017-02-01 2018-01-31 Procédé de raccordement d'un élément d'écartement à un fer de raccordement, à une cale, à un dispositif d'espacement et de pointage et à un support
EP19155671.1A Pending EP3508667A1 (fr) 2017-02-01 2018-01-31 Procédé de raccordement d'un écarteur avec un fer de raccord, dispositif support d'écarteur et support de butée, cale et support

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP18154330.7A Pending EP3358105A1 (fr) 2017-02-01 2018-01-31 Procédé de raccordement d'un élément d'écartement à un fer de raccordement, à une cale, à un dispositif d'espacement et de pointage et à un support

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EP (2) EP3358105A1 (fr)
CH (1) CH713432A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH715391A2 (de) * 2018-09-27 2020-03-31 Maegert Bautechnik Ag Keilelement, Abstandhalter mit mindestens einem solchen Keilelement, Positioniervorrichtung mit einem solchen Abstandhalter und Verfahren zur Positionierung von Wandschalungen.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH687471A5 (de) 1994-03-09 1996-12-13 Maegert Bautechnik Ag Verfahren zum Setzen eines Anschlag- oder Distanzhalters.
DE29812311U1 (de) 1998-07-14 1998-11-12 Hein, Reiner Rudolf, 66399 Mandelbachtal Ablage- und Arbeitsvorrichtung zum Anbringen an Lenkrädern
DE29812111U1 (de) * 1998-07-09 1999-11-18 Adolf Würth GmbH & Co. KG, 74653 Künzelsau Schalungsanschlag
EP1197617A1 (fr) 1996-03-22 2002-04-17 Giulio Albanese Dispositif pour fixer un élément distanceur
DE10252297A1 (de) * 2001-11-19 2003-05-28 System Albanese Winterthur Abstand- und Distanzhalter
DE10252296A1 (de) 2001-11-19 2003-07-17 System Albanese Winterthur Distanzhalterkeil
EP2987924A1 (fr) 2014-08-18 2016-02-24 Pino Albanese Porte-butée pour coffrage mural
CH711156A2 (de) 2015-06-01 2016-12-15 Mägert & Co Innovation Anschlagelement für eine Positioniervorrichtung, Positioniervorrichtung mit mindestens einem solchen Anschlagelement und Verfahren zur Positionierung von Wandschalungen.

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH687471A5 (de) 1994-03-09 1996-12-13 Maegert Bautechnik Ag Verfahren zum Setzen eines Anschlag- oder Distanzhalters.
EP1197617A1 (fr) 1996-03-22 2002-04-17 Giulio Albanese Dispositif pour fixer un élément distanceur
DE29812111U1 (de) * 1998-07-09 1999-11-18 Adolf Würth GmbH & Co. KG, 74653 Künzelsau Schalungsanschlag
DE29812311U1 (de) 1998-07-14 1998-11-12 Hein, Reiner Rudolf, 66399 Mandelbachtal Ablage- und Arbeitsvorrichtung zum Anbringen an Lenkrädern
DE10252297A1 (de) * 2001-11-19 2003-05-28 System Albanese Winterthur Abstand- und Distanzhalter
DE10252296A1 (de) 2001-11-19 2003-07-17 System Albanese Winterthur Distanzhalterkeil
CH695905A5 (de) 2001-11-19 2006-10-13 System Albanese Abstand- und Distanzhalter.
EP2987924A1 (fr) 2014-08-18 2016-02-24 Pino Albanese Porte-butée pour coffrage mural
CH711156A2 (de) 2015-06-01 2016-12-15 Mägert & Co Innovation Anschlagelement für eine Positioniervorrichtung, Positioniervorrichtung mit mindestens einem solchen Anschlagelement und Verfahren zur Positionierung von Wandschalungen.

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Publication number Publication date
CH713432A2 (de) 2018-08-15
EP3358105A1 (fr) 2018-08-08

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