EP2281959B1 - Connector element for cantilever slab - Google Patents

Connector element for cantilever slab Download PDF

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Publication number
EP2281959B1
EP2281959B1 EP10405121.4A EP10405121A EP2281959B1 EP 2281959 B1 EP2281959 B1 EP 2281959B1 EP 10405121 A EP10405121 A EP 10405121A EP 2281959 B1 EP2281959 B1 EP 2281959B1
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EP
European Patent Office
Prior art keywords
cantilever slab
connecting element
pressure
sectional steel
cantilever
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EP10405121.4A
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German (de)
French (fr)
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EP2281959A1 (en
Inventor
Peter Schweizer
Stefan Schweizer
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M-Plus Bauprodukte AG
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Schweizer Elementbau GmbH
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Publication of EP2281959A1 publication Critical patent/EP2281959A1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003—Balconies; Decks
    • E04B1/0038—Anchoring devices specially adapted therefor with means for preventing cold bridging

Definitions

  • the present invention relates to a cantilever panel connection element according to the preamble of claim 1 and to a method for producing a cantilever panel connection element according to claim 13.
  • the DE 10 2006 011 336 shows a component for thermal insulation.
  • the component consists of two conventional components for thermal insulation and provided for earthquake loads component for thermal insulation, which is arranged between the conventional components.
  • the conventional components have an insulating body and reinforcing elements.
  • As reinforcing elements upper tie rods and lower approximately flush final thrust bearing and obliquely from top to bottom extending transverse force rods are provided. Both the tension rods and the transverse force rods pass through the insulating body.
  • the transverse force rods are bent outside the insulator in the horizontal direction.
  • the element provided for earthquake loads also has an insulating body and in the lower Isolier Sciences Kunststoff extending further tensile elements.
  • the component has the advantage that it allows a targeted and only piecewise enlargement of the number of reinforcement elements.
  • the components are thus not oversized. Also, the increase in the cross-sectional areas, which has a negative effect on the thermal insulation properties, is limited.
  • a disadvantage of the device is that it has a large number of reinforcing elements and the structure is accordingly complicated and costly.
  • the EP 1 887 155 relates to a thermally insulating component for use in joints especially between a building ceiling and a balcony floor plate.
  • the component has an insulating body through which reinforcing elements are passed transversely to the parting line.
  • a first reinforcing element is designed as a tie rod arranged in the tension zone.
  • a second reinforcing element is designed as a combined thrust-pressure anchor, wherein the tension section is arranged in the tension zone on a side facing the first structural part of the insulating body.
  • a push section is starting from the train section diagonally passed through the insulating body to the pressure zone of the opposite second part of the building.
  • the anchor adjoins a transition section arranged there.
  • a pressure section is guided through the insulating body and back to the side of the first building part.
  • a metal sheet is arranged on the outside.
  • the sheet forms a pressure plate and the pressure plate angled and this limiting transverse force plates.
  • the reinforcement elements have a slight projection.
  • the thermally insulating component therefore has a simplified handling at the construction site.
  • the disadvantage is that the device is expensive to manufacture, since the second reinforcing elements must be bent accordingly, are to be connected to the sheet and must be positioned according to the expected loads in the insulator.
  • the WO 01/86081 discloses a basic element for thermal bridge interruption between a wall and a substantially horizontal concrete slab. Since the concrete slab extends over a void, for example over the floor of an underlying floor, the concrete slab has at least two support areas on opposite walls.
  • the reinforcement of the concrete ceiling is made by a plurality of iron. In the support area of the concrete pavement, three of the irons are in each case accommodated in a carrier of composite material that is T-shaped in cross-section.
  • the support serves to interrupt the thermal bridge between the wall and the concrete slab.
  • the carrier in combination with the irons, is suitable for absorbing forces in a concrete floor supported by at least two walls. However, the support is unsuitable for use with cantilevered boards, as in cantilever plates are completely different loads compared to ceiling tiles.
  • the DE 10 2005 040 170 shows a component for thermal and / or acoustic insulation with a substantially cuboid insulating body. Traverse the insulating body in a horizontal plane extending reinforcing elements. At its top and bottom of the insulator is covered with a fire protection element.
  • the EP 0 499 590 discloses a heat-insulating Kragplattenan gleichelement with an insulating body, an upper layer of spaced reinforcing iron, which penetrate the insulation body, a lower layer of in Spacing iron reinforcement or pressure transmission elements, which also penetrate the insulation body, and at least one transverse bar on each side of the insulation body. At least one transverse bar is provided on each side of the insulating body, wherein at least one transverse bar in the upper layer of the reinforcing iron and at least one transverse bar in the lower layer of the reinforcing iron or the pressure transmission elements are arranged.
  • a vertically disposed plate is provided between two adjacent reinforcing bars of a layer of reinforcing bar which interconnects the transverse bars.
  • the cantilever panel connection element described has the advantage that it is easy to produce in production and with little and relatively inexpensive material. The disadvantage, however, is that for the absorption of shear forces at least one cross bar per layer of reinforcing iron is necessary.
  • Kragplattenan gleichelement consists of an insulating body, which is interspersed by Arm michsstäben.
  • the reinforcing bars are embedded in concrete, on one side, in the cantilever and on the other side in the ground cover plates.
  • stainless steel On both sides of the insulation gap in the joint gap coming insulation end plates are provided stainless steel, which are each traversed by a pair of tension and pressure rod.
  • the reinforcing rods are sheathed by stainless steel sleeves.
  • the object is achieved in a cantilever panel connection element according to the preamble of claim 1, characterized in that the reinforcement is formed from a plurality of shaped steel rods, which have an angular, U, H or T profile in cross section.
  • the shaped steel rods have the advantage that they are able to absorb tensile and shear forces simultaneously. On additional reinforcing elements, which are required for the absorption of shear forces in conventional cantilever panel connection elements, can therefore be dispensed with. Molded steel bars with mentioned profiles have the advantage that they can absorb lateral forces in addition to the tensile forces occurring. Profiles with mentioned cross sections are widely used in the construction industry and therefore inexpensive.
  • the use of printing elements in the insulating body has the advantage that the pressure forces are derived directly through the insulating body in the adjacent masonry or an adjacent concrete slab.
  • the pressure elements are expediently steel rods, the pressure elements have a compressive strength which is equal to any load occurring in structures.
  • the conditions relating to the combustibility of a material in the construction sector of steel are in any case met. It is also conceivable not to perform the printing elements massively in steel.
  • the pressure elements may have two pressure distribution plates, which are interconnected by at least one web. The remaining cavity between insulation body and integrated pressure element can then be additionally filled with insulation material.
  • the length of the printing elements is approximately equal to the wall thickness of the insulating body, i. they can be flush with the surface of the insulating body. Unnecessary material use is avoided and the cantilever connection element is easily integrated into a building, since it has no projections or heels. Also, no stresses can be built up when shrinking the concrete.
  • the arrangement of the pressure elements in a short distance to the lower edge of the insulating body has the effect that the pressure elements have the greatest possible distance from the overlying steel bars.
  • the torque introduced via the shaped steel bars is counteracted by a torque which is formed from the product of the largest possible lever between the shaped steel bars and the underlying pressure elements and the lowest possible holding force.
  • the printing elements are cylindrical, they can be produced inexpensively by cutting round rods with a corresponding diameter. But the pressure elements can also consist of angle profiles to keep the cross section as small as possible.
  • pressure distribution plates are fixed on the front side, which cover the cross section of the pressure elements overshoot dimensionally. It can thus be ensured that the pressure forces which occur are uniformly distributed over the pressure elements and that the pressure elements can not be pulled out of the insulation body in the direction of their longitudinal extent.
  • the individual shaped steel bars are connected by at least one transverse bar. This design feature ensures that individual shaped steel bars can not be pulled out of the insulating body. A position assurance of the forming steel rods is given by.
  • the shaped steel bars are connected on both sides by at least one transverse bar. As a result, a position assurance is ensured with respect to both directions of the longitudinal axis of a forming steel bar.
  • the at least one transverse bar is located at a short distance from one end of the shaped steel bars. These crossbars prevent the extraction of the element from the concrete ceiling and form an additional anchoring in this.
  • the shaped steel rods are preferably made of high-alloy stainless steel.
  • High-alloyed stainless steel has up to four times lower thermal conductivity than conventional low-alloyed or unalloyed steel.
  • the shaped steel rod has a length such that it protrudes on both sides of the insulating body by a short distance and that two elongated extension elements are arranged on the end faces of the forming steel rod.
  • the shaped steel bars can be kept as short as possible by providing the additional extension elements. Since high alloy stainless steel mild steel bars are expensive compared to mild steel and low alloy steel bars, it is particularly advantageous if they can be kept short. For static safety, it is sufficient if the shaped steel bars project beyond the insulation body on both sides by a maximum of 200 mm.
  • the extension element is fixed by positive engagement or a welded connection to the respective end face. If the connection is designed as a positive connection, the relatively short shaped steel rods and the extension elements can be delivered separately to the construction site and assembled on site.
  • the respective extension element has the shape of a U-shaped bent rod, wherein the rod is fixed at its bend on the front side.
  • the U-shaped rod is inexpensive to produce and can be fixed quickly, for example with a clip under positive engagement on the front page.
  • the connection between the rod and the forming steel rod can be produced quickly on the construction site.
  • the mild steel bar is made of high alloy stainless steel and the elongated extension members are made of unalloyed or low alloy steel.
  • the rod does not require the low thermal conductivities of high alloy stainless steel because it does not protrude through the insulator body.
  • the more expensive form steel rod made of high-alloy stainless steel can therefore be designed as short as possible.
  • the low thermal conductivity of the forming steel rod is used only at the passage through the insulating body. Thus, the expensive high-alloy stainless steel is used only where it is absolutely necessary.
  • the present invention is also a cantilever module for producing a Kragplattenan gleichelements, wherein the reinforcement is advantageously formed by a single forming steel bar, which is arranged in the upper half of the insulating body and in the insulating body, a single pressure element is integrated below and at a distance from the forming steel bar.
  • Single cantilever modules contain only a single bar and a single pressure element.
  • the Kragplattenan gleichelement consisting of several Kragplattenmodulen is individually adapted to the forces occurring in the respective structure and the required length.
  • Another object of the present invention is a system for producing a Kragplattenan gleichelements, wherein the system advantageously consists of a plurality of individual Kragplattenmodulen described above and individual insulating bodies, which are individually composable.
  • the system advantageously consists of a plurality of individual Kragplattenmodulen described above and individual insulating bodies, which are individually composable.
  • For the construction of a Kragplattenan gleichelements are therefore only a few different modules needed.
  • a cantilever panel connection element can be custom-built to existing forces according to a modular system. Consequently, the cantilever panel connection element is neither undersized nor oversized, and only those production costs are incurred which are necessary.
  • the insulating body of this system consists of three layers.
  • the first layer is composed of a plurality of insulating bodies arranged side by side, in which at least partially pressure elements are integrated.
  • the second layer which is arranged above the first layer, consists of at least one insulating intermediate body, on the upper side of which recesses are provided for at least partially accommodating reinforcing elements.
  • the isolation of the upper body final third layer, which is arranged above the second layer, consists of at least one insulating cover body. On the lower side recesses are preferably provided such that in each case a recess of the intermediate body and the cover body together form a recess.
  • the common recess substantially corresponds to the external dimensions of the cross section of a reinforcing element.
  • This system allows a high degree of flexibility of the cantilever panel connection element.
  • the cantilever panel connection element can be individually adapted to the existing pressure conditions and the required length.
  • the shaped steel rods can advantageously be inserted only at the construction site between the second and third layer. This results in a considerably simplified transport of the cantilever panel connection element to the site.
  • the number of mild steel bars can be adapted to the present tensile and transverse force loads.
  • Another object of the present invention is also a method for producing a Kragplattenan gleichelements, wherein in a first step, a single cantilever module is made. In the upper half of a cuboid insulating body, a reinforcement in the form of a single steel bar is used. Below the forming rod a pressure element is used. In a second step, several cantilever modules are arranged side by side. The mutually oriented side surfaces of the individual insulation body are connected together. Since a cantilever panel connection element is not produced in one piece, but is assembled from standard cantilever panel modules, the production method according to the invention is inexpensive and at the same time flexible.
  • the mutually oriented side surfaces of the individual cantilever module are glued together. Gluing can be easily automated and keep the side surfaces together permanently.
  • the cantilever connection element thus produced can be individually adapted to the respective forces of a building.
  • the cantilever panel connection element is tailor-made, although it is composed of cantilever module modules and insulation bodies, which are mass products.
  • the FIGS. 1 to 3 show a Kragplattenan gleichelement 11 with an insulating body 13 and a plurality of the insulating body 13 crossing shaped steel bars 15.
  • the shaped steel bars may be made of hot-dip galvanized steel. This material is inexpensive to manufacture, but has a relatively high thermal conductivity. Since high-alloy stainless steel has lower thermal conductivities than conventional structural steel, it is also conceivable to manufacture the shaped steel rods 15 from this material. The lowest possible heat transfer between the two sides of the cantilever plate connection element 11 is reduced in this case.
  • the shaped steel rods 15 may have different cross-sectional profiles (T, H, C or U-shaped, etc.).
  • the insulating body 13 is made of a foamed plastic, preferably PU foam, a glass or rock wool plate.
  • the pressure elements 17 are integrated.
  • the pressure elements 17 have a round cross section.
  • the printing elements 17 z. B. a rectangular (in FIG. 5 shown) or show a cross-shaped cross-section.
  • a cross-shaped pressure element can be z. B. thereby produce that two L-profiles are preferably welded at their corners with equal length legs. For uniform distribution of the compressive forces, these pressure elements can be completed at their ends with pressure distribution plates 19.
  • FIGS. 1, 2 and 4 show that the number of pressure elements 17 corresponds to the number of shaped steel bars 15. It would also be possible that the number of pressure element 17 is not equal to the number of shaped steel rods 15. These pressure elements 17 are arranged at a short distance from the lower edge of the insulating body and below the shaped steel rods 15. Thus, the majority of the pressure forces occurring are absorbed by the pressure elements 17 and can be introduced by these in a subsequent to the insulating body 13 wall. In this embodiment, the printing elements 17 are made of steel.
  • pressure distribution plates 19 are attached to the pressure elements.
  • the pressure distribution plates 19 may be welded, screwed or glued to the end faces of the pressure elements 17. Other forms of connection are conceivable, it is only important that the compound does not solve unintentionally.
  • the pressure distribution plates 19 project beyond the cross section of the pressure elements 17. As a result, on the one hand, the pressure forces occurring are uniformly distributed over the pressure elements 17 and, on the other hand, a displacement of the pressure elements 17 in the direction of their longitudinal axis is prevented. It would also be conceivable for a single elongate plate to replace the pressure distribution plates 19 on one side of the insulating body. The elongate plate covers all end faces of the printing elements 17, which have the same orientation.
  • transverse rods 21 connect the shaped steel rods 15 transversely to their longitudinal direction.
  • the transverse rods 21 prevent a single shaped steel rod 15 from being unintentionally pulled out of the insulating body 13 on the one hand during transport and installation of the cantilevered connection element 11 and on the other hand when installed.
  • the cross bars 21 fulfill the task of Pull-out protection and are not intended for the absorption of forces occurring in the building.
  • the cross sections of the transverse rods 21 can therefore be dimensioned small and preferably have a cross section of 6 to 8 mm.
  • the transverse rods 21 do not connect the shaped steel rods 15 continuously and are provided, for example, in each case as individual parts at the ends of the shaped steel rods.
  • the cantilever plate connection element 11 may be composed of individual cantilever module 23.
  • Each individual cantilever module 23 consists of a cuboid insulating body, in which in the upper half of a forming steel rod 15 and below a pressure element 17 is inserted. Between two cantilever module 23 and at the edge of Kragplattenan gleichelements 11 more cuboid insulating body 27 may be used. The individual cantilever module 23 and the insulation body 27 are glued to their mutually oriented side surfaces.
  • FIG. 5 shows the modular structure of the Kragplattenan gleichelements 11 from Kragplattenmodulen 23 and insulation bodies 27.
  • an insulating body 27 may additionally be positively connected (in FIG. 5 not shown).
  • the modular design of the cantilever panel connection element 11 has the advantage that it is constructed from cantilever module 23 and Isolationskörpem 27. This allows individual adaptation of the cantilever panel connection element 11 to the existing forces in the respective building. Also, by the appropriate selection of Kragplattenmodulen 23 and Isolationskörpem 27 an individual length of the Kragplattenan gleichelements 11 can be achieved. Oversizing or undersizing the cantilevered connection element with respect to the prevailing forces can be avoided by the modular construction.
  • the storage costs of the inventive Kragplattenan gleichelements 11 are low, since only a few standard modules must be kept in stock.
  • the production costs of a cantilever panel connection element 11 are low, since the respective tailor-made Cantilever plate connection element 11 is made of standard modules.
  • the cantilevered connection element 11 preferably has a first, second and third layer 29, 31, 33.
  • the first layer is constructed from a plurality of insulation bodies 27 arranged side by side.
  • a pressure element 17 described above can be integrated.
  • a combination of insulation bodies with and without pressure elements allows individual adaptation to the pressure forces exerted on the cantilevered connection element 11.
  • the length of the cantilevered connection element in the gradations of the width of an insulation element 27 can be selected individually by the selected number of insulation elements 27.
  • a second layer is arranged as a preferably single intermediate body 31.
  • the intermediate body 31 is preferably made of the same insulating material as the insulating body 27.
  • the insulating body 27 and the intermediate body may be connected to each other by positive engagement and / or bonding.
  • a positive fit for example, serve cylindrical projections on the upper side of the insulating body, which cooperate with cylindrical recesses on the insulation bodies facing the underside of the intermediate body 31.
  • the intermediate body 31 and the insulating body are therefore plugged together as in a modular system.
  • open recesses are provided at the top, which serve at least partially receiving the mold steel rods 15.
  • the recesses are preferably provided on the intermediate body such that a shaped steel rod is arranged substantially above a pressure element. These recesses have the advantage that the shaped steel bars are inserted into these and need not be inserted from one side into the intermediate layer. It is therefore also possible to insert the shaped steel rods 15 only at the construction site in the recesses. Consequently, the transport of the cantilever panel connection element 11 is significantly simplified to the construction site, since the individual components can be arranged parallel to each other during transport.
  • the recesses can be dimensioned in such a way that the inserted molded steel bars 15 are flush with the top of the intermediate body 31. In this case, further corresponding to the shaped steel rods adapted recesses on the third layer 33 are not necessary.
  • the third layer 33 closes the cantilever connection element 11 from the top.
  • the third layer preferably consists of a single cover body 33 and of the same insulating material as the insulation body 27.
  • the connection between the intermediate body 31 and the cover body 33, as already above in the connection between the Isolationskörpem 27 and the intermediate body 31 carried out. If the shaped steel bars 15 project beyond the upper side of the intermediate body 31, open recesses are to be provided at the lower side facing the intermediate body. If the cover body 33 is attached to the intermediate body 31, then a recess of the cover body with an underlying recess of the intermediate body forms a common recess. This common recess substantially corresponds to the external dimensions of the carrier cross-section.
  • This embodiment allows a very rapid adaptation of the cantilever panel connection element 11 to the respective requirements in terms of dimensions and loads.
  • the shaped steel rods 15 can be inserted directly on the construction site in the intermediate body. The transport of the individual components to the site can therefore be space-saving and easy, since the components throughout have elongated shape and can be arranged parallel to each other during transport.
  • FIG. 8 a further embodiment is shown in which the shaped steel rods 15 are connected at their ends with U-shaped bent rods 35, preferably bent round rods.
  • the connection can be made via a positive connection or a welded connection.
  • they are, as described above, preferably made of high-alloy stainless steel.
  • the cantilever plate connection element 11 is designed to be statically safe when the forming steel bars 15 project beyond the insulation body on both sides by a maximum of 200 mm.
  • the round rods 35 which do not penetrate the insulating body, can therefore be made of a low-cost low alloyed or unalloyed Be made of steel. Another advantage of the short form of steel rods 15 is that they are easy to transport and only at the site quickly with the round rods 35 are connected.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Building Environments (AREA)

Description

Gebiet der ErfindungField of the invention

Die vorliegende Erfindung betrifft ein Kragplattenanschlusselement gemäss Oberbegriff des Anspruchs 1. und ein Verfahren zur Herstellung eines Kragplattenanschlusselements gemäss Anspruch 13.The present invention relates to a cantilever panel connection element according to the preamble of claim 1 and to a method for producing a cantilever panel connection element according to claim 13.

Stand der TechnikState of the art

Die DE 10 2006 011 336 zeigt ein Bauelement zur Wärmedämmung. Das Bauelement besteht aus zwei herkömmlichen Bauelementen zur Wärmedämmung und einem für Erdbebenbelastungen vorgesehenen Bauelement zur Wärmedämmung, welches zwischen den herkömmlichen Bauelementen angeordnet ist. Die herkömmlichen Bauelemente weisen einen Isolierkörper sowie Bewehrungselemente auf. Als Bewehrungselemente sind obere Zugstäbe und untere etwa bündig abschliessende Drucklager sowie schräg von oben nach unten verlaufende Querkraftstäbe vorgesehen. Sowohl die Zugstäbe als auch die Querkraftstäbe verlaufen durch den Isolierkörper. Die Querkraftstäbe sind dabei ausserhalb des Isolierkörpers in Horizontalrichtung abgebogen. Das für Erdbebenbelastungen vorgesehene Element besitzt ebenfalls einen Isolierkörper und im unteren Isolierkörperbereich verlaufende weitere Zugkraftelemente. Das Bauelement hat den Vorteil, dass es eine gezielte und nur stückweise erfolgende Vergrösserung der Bewehrungselementeanzahl ermöglicht. Die Bauelemente sind dadurch nicht überdimensioniert. Auch hält sich die Vergrösserung der Querschnittsflächen, welche sich negativ auf die Wärmedämmeigenschaften auswirkt, in Grenzen. Nachteilig an dem Bauelement ist hingegen, dass es eine grosse Anzahl von Bewehrungselementen aufweist und der Aufbau dementsprechend kompliziert und kostenintensiv ist.The DE 10 2006 011 336 shows a component for thermal insulation. The component consists of two conventional components for thermal insulation and provided for earthquake loads component for thermal insulation, which is arranged between the conventional components. The conventional components have an insulating body and reinforcing elements. As reinforcing elements upper tie rods and lower approximately flush final thrust bearing and obliquely from top to bottom extending transverse force rods are provided. Both the tension rods and the transverse force rods pass through the insulating body. The transverse force rods are bent outside the insulator in the horizontal direction. The element provided for earthquake loads also has an insulating body and in the lower Isolierkörperbereich extending further tensile elements. The component has the advantage that it allows a targeted and only piecewise enlargement of the number of reinforcement elements. The components are thus not oversized. Also, the increase in the cross-sectional areas, which has a negative effect on the thermal insulation properties, is limited. A disadvantage of the device, however, is that it has a large number of reinforcing elements and the structure is accordingly complicated and costly.

Die EP 1 887 155 betrifft ein thermisch isolierendes Bauelement zum Einsatz in Trennfugen insbesondere zwischen einer Gebäudedecke und einer Balkonbodenplatte. Das Bauelement weist einen Isolierkörper auf, durch den Bewehrungselemente quer zur Trennfuge hindurchgeführt sind. Ein erstes Bewehrungselement ist als in der Zugzone angeordneter Zuganker ausgeführt. Ein zweites Bewehrungselement ist als kombinierter Schub-Druck-Anker ausgeführt, wobei dessen Zugabschnitt in der Zugzone auf einer dem ersten Bauwerksteil zugewandten Seite des Isolierkörpers angeordnet ist. Ein Schubabschnitt ist ausgehend vom Zugabschnitt diagonal durch den Isolierkörper hindurch zur Druckzone des gegenüberliegenden zweiten Bauwerksteiles geführt. Der Anker grenzt an einen dort angeordneten Übergangsabschnitt an. Ein Druckabschnitt ist ausgehend vom Übergangsabschnitt in der Druckzone liegend durch den Isolierkörper hindurch zurück zur Seite des ersten Bauwerksteiles geführt. Um den gekrümmten Übergangsabschnitt ist aussenseitig ein Blech angeordnet. Das Blech bildet eine Druckplatte und zur Druckplatte abgewinkelte und diese begrenzende Querkraftplatten. Die Bewehrungselemente haben einen geringen Überstand. Das thermisch isolierende Bauelement besitzt demnach eine vereinfachte Handhabung an der Baustelle. Nachteilig ist jedoch, dass das Bauelement in der Fertigung aufwendig ist, da die zweiten Bewehrungselemente entsprechend gebogen werden müssen, mit dem Blech zu verbinden sind und in dem Isolierkörper den zu erwartenden Belastungen entsprechend positioniert werden müssen.The EP 1 887 155 relates to a thermally insulating component for use in joints especially between a building ceiling and a balcony floor plate. The component has an insulating body through which reinforcing elements are passed transversely to the parting line. A first reinforcing element is designed as a tie rod arranged in the tension zone. A second reinforcing element is designed as a combined thrust-pressure anchor, wherein the tension section is arranged in the tension zone on a side facing the first structural part of the insulating body. A push section is starting from the train section diagonally passed through the insulating body to the pressure zone of the opposite second part of the building. The anchor adjoins a transition section arranged there. Starting from the transition section in the pressure zone, a pressure section is guided through the insulating body and back to the side of the first building part. Around the curved transition section, a metal sheet is arranged on the outside. The sheet forms a pressure plate and the pressure plate angled and this limiting transverse force plates. The reinforcement elements have a slight projection. The thermally insulating component therefore has a simplified handling at the construction site. The disadvantage, however, is that the device is expensive to manufacture, since the second reinforcing elements must be bent accordingly, are to be connected to the sheet and must be positioned according to the expected loads in the insulator.

Die WO 01/86081 offenbart ein Grundelement zur Wärmebrückenunterbrechung zwischen einer Mauer und einer im Wesentlichen horizontalen Betonplatte. Da sich die Betonplatte über einem Leerraum, beispielsweise über dem Boden eines darunterliegenden Stockwerks, erstreckt, besitzt die Betonplatte wenigstens zwei Auflagerbereiche an sich gegenüberliegenden Mauern. Die Bewehrung der Betondecke erfolgt durch eine Mehrzahl von Eisen. Im Auflagerbereich der Betondecke sind jeweils drei der Eisen in einem im Querschnitt T-förmigen Träger aus Verbundmaterial aufgenommen. Der Träger dient der Wärmebrückenunterbrechung zwischen der Mauer und der Betonplatte. Der Träger ist in Kombination mit den Eisen für die Aufnahme von Kräften in einer Betondecke geeignet, welche von wenigstens zwei Mauern getragen ist. Für die Anwendung bei Kragplatten ist der Träger jedoch ungeeignet, da in Kragplatten völlig unterschiedliche Belastungen im Vergleich zu Deckenplatten vorliegen.The WO 01/86081 discloses a basic element for thermal bridge interruption between a wall and a substantially horizontal concrete slab. Since the concrete slab extends over a void, for example over the floor of an underlying floor, the concrete slab has at least two support areas on opposite walls. The reinforcement of the concrete ceiling is made by a plurality of iron. In the support area of the concrete pavement, three of the irons are in each case accommodated in a carrier of composite material that is T-shaped in cross-section. The support serves to interrupt the thermal bridge between the wall and the concrete slab. The carrier, in combination with the irons, is suitable for absorbing forces in a concrete floor supported by at least two walls. However, the support is unsuitable for use with cantilevered boards, as in cantilever plates are completely different loads compared to ceiling tiles.

Die DE 10 2005 040 170 zeigt ein Bauelement zur Wärme- und/oder Schalldämmung mit einem im Wesentlichen quaderförmigen Isolierkörper. Den Isolierkörper durchqueren in einer horizontalen Ebene verlaufende Bewehrungselemente. An seiner Ober- und Unterseite ist der Isolierkörper mit einem Brandschutzelement bedeckt.The DE 10 2005 040 170 shows a component for thermal and / or acoustic insulation with a substantially cuboid insulating body. Traverse the insulating body in a horizontal plane extending reinforcing elements. At its top and bottom of the insulator is covered with a fire protection element.

Die EP 0 499 590 offenbart ein wärmedämmendes Kragplattenanschlusselement mit einem Isolationskörper, einer oberen Lage von in Abstand voneinander angeordneten Armierungseisen, welche den Isolationskörper durchdringen, einer unteren Lage von in Abstand voneinander angeordneten Armierungseisen oder Druckübertragungselementen, welche den Isolationskörper ebenfalls durchdringen, und mindestens einem Querstab auf jeder Seite des Isolationskörpers. Zumindest ein Querstab ist auf jeder Seite des Isolationskörpers vorgesehen, wobei zumindest ein Querstab bei der oberen Lage der Armierungseisen und zumindest ein Querstab bei der unteren Lage der Armierungseisen oder der Druckübertragungselemente angeordnet sind. Ausserdem ist eine vertikal angeordnete Platte zwischen zwei benachbarten Armierungseisen einer Lage von Armierungseisen vorgesehen, welche die Querstäbe miteinander verbindet. Das beschriebene Kragplattenanschlusselement hat den Vorteil, dass es einfach in der Herstellung und mit wenig und relativ kostengünstigem Material herstellbar ist. Nachteilig hingegen ist, dass für die Aufnahme von Querkräften zumindest ein Querstab pro Lage von Armierungseisen notwendig ist.The EP 0 499 590 discloses a heat-insulating Kragplattenanschlusselement with an insulating body, an upper layer of spaced reinforcing iron, which penetrate the insulation body, a lower layer of in Spacing iron reinforcement or pressure transmission elements, which also penetrate the insulation body, and at least one transverse bar on each side of the insulation body. At least one transverse bar is provided on each side of the insulating body, wherein at least one transverse bar in the upper layer of the reinforcing iron and at least one transverse bar in the lower layer of the reinforcing iron or the pressure transmission elements are arranged. In addition, a vertically disposed plate is provided between two adjacent reinforcing bars of a layer of reinforcing bar which interconnects the transverse bars. The cantilever panel connection element described has the advantage that it is easy to produce in production and with little and relatively inexpensive material. The disadvantage, however, is that for the absorption of shear forces at least one cross bar per layer of reinforcing iron is necessary.

Das in der EP 0 338 972 offenbarte Kragplattenanschlusselement besteht aus einem Isolationskörper, der von Armierungsstäben durchsetzt ist. Die Armierungsstäbe sind einbetoniert, auf der einen Seite, in der Kragplatte und auf der anderen Seite in den Bodendeckenplatten. Beidseits des in dem Fugenspalt zu liegen kommenden Isolationskörpers sind Stirnplatten aus rostfreiem Stahl vorgesehen, die je von einem Zug- und Druckstabpaar durchsetzt sind. Im Bereich des Isolationskörpers sind die Armierungsstäbe von Hülsen aus Edelstahl ummantelt. Zwar wird dadurch ein Korrodieren der Armierungsstäbe im Bereich des Isolationskörpers verhindert, die Kältebrücken, welche durch die Armierungsstäbe verursacht werden, können durch die Hülsen jedoch nicht verhindert werden.That in the EP 0 338 972 disclosed Kragplattenanschlusselement consists of an insulating body, which is interspersed by Armierungsstäben. The reinforcing bars are embedded in concrete, on one side, in the cantilever and on the other side in the ground cover plates. On both sides of the insulation gap in the joint gap coming insulation end plates are provided stainless steel, which are each traversed by a pair of tension and pressure rod. In the area of the insulating body, the reinforcing rods are sheathed by stainless steel sleeves. Although this prevents corrosion of the reinforcing bars in the region of the insulating body, the cold bridges caused by the reinforcing bars can not be prevented by the sleeves.

Aufgabe der ErfindungObject of the invention

Es ist deshalb Aufgabe der vorliegenden Erfindung, ein Kragplattenanschlusselement vorzuschlagen, welches die oben erwähnten Nachteile nicht aufweist. Insbesondere ist es ein Ziel, ein Anschlusselement zu schaffen, das in der Lage ist, die verschiedenen auftretenden Kräfte mit einer möglichst geringen Anzahl von Bauteilen aufzunehmen und abzuleiten. Eine weitere Aufgabe der Erfindung ist es, ein Kragplattenanschlusselement zu schaffen, das individuell und mit geringem Aufwand an die vorliegenden Kräfte und die benötigten Abmessungen rasch und mit geringem Aufwand anpassbar ist.It is therefore an object of the present invention to provide a Kragplattenanschlusselement which does not have the disadvantages mentioned above. In particular, it is an object to provide a connection element which is able to absorb and dissipate the various forces occurring with the smallest possible number of components. Another object of the invention is to provide a cantilever panel connection element that can be adapted quickly and with little effort individually and with little effort to the existing forces and the required dimensions.

Beschreibungdescription

Erfindungsgemäss wird die Aufgabe bei einem Kragplattenanschlusselement gemäss Oberbegriff von Anspruch 1 dadurch gelöst, dass die Armierung aus einer Mehrzahl von Formstahlstäben gebildet ist, welche im Querschnitt ein Winkel-, U-, H- oder ein T-Profil besitzen. Die Formstahlstäbe haben den Vorteil, dass diese in der Lage sind, Zug- und Querkräfte gleichzeitig aufzunehmen. Auf weitere Bewehrungselemente, welche für die Aufnahme von Querkräften bei herkömmlichen Kragplattenanschlusselementen benötigt werden, kann daher verzichtet werden. Formstahlstäbe mit erwähnten Profilen besitzen den Vorteil, dass diese neben den auftretenden Zugkräften auch Querkräfte aufnehmen können. Profile mit erwähnten Querschnitten sind in der Baubranche stark verbreitet und dementsprechend kostengünstig. Der Einsatz von Druckelementen im Isolationskörper hat den Vorteil, dass die Druckkräfte direkt über den Isolationskörper in das angrenzende Mauerwerk oder eine angrenzende Betonplatte abgeleitet werden.According to the invention, the object is achieved in a cantilever panel connection element according to the preamble of claim 1, characterized in that the reinforcement is formed from a plurality of shaped steel rods, which have an angular, U, H or T profile in cross section. The shaped steel rods have the advantage that they are able to absorb tensile and shear forces simultaneously. On additional reinforcing elements, which are required for the absorption of shear forces in conventional cantilever panel connection elements, can therefore be dispensed with. Molded steel bars with mentioned profiles have the advantage that they can absorb lateral forces in addition to the tensile forces occurring. Profiles with mentioned cross sections are widely used in the construction industry and therefore inexpensive. The use of printing elements in the insulating body has the advantage that the pressure forces are derived directly through the insulating body in the adjacent masonry or an adjacent concrete slab.

Dadurch, dass die Druckelemente zweckmässigerweise Stahlstäbe sind, besitzen die Druckelemente eine Druckfestigkeit, die jeglicher auftretender Belastung in Bauwerken gewachsen ist. Zudem werden die Auflagen bezüglich der Brennbarkeit eines Werkstoffes im Bausektor von Stahl jedenfalls erfüllt. Denkbar ist es auch, die Druckelemente nicht massiv in Stahl auszuführen. Die Druckelemente können zwei Druckverteil-Platten besitzen, welche durch wenigstens einen Steg miteinander verbunden sind. Der verbleibende Hohlraum zwischen Isolationskörper und integriertem Druckelement kann dann zusätzlich mit Isolationsmaterial ausgefüllt sein.Due to the fact that the pressure elements are expediently steel rods, the pressure elements have a compressive strength which is equal to any load occurring in structures. In addition, the conditions relating to the combustibility of a material in the construction sector of steel are in any case met. It is also conceivable not to perform the printing elements massively in steel. The pressure elements may have two pressure distribution plates, which are interconnected by at least one web. The remaining cavity between insulation body and integrated pressure element can then be additionally filled with insulation material.

Mit Vorteil weist die Länge der Druckelemente ungefähr die Wandstärke des Isolationskörpers auf, d.h. sie können mit der Oberfläche des Isolationskörpers bündig sein. Unnötiger Materialeinsatz ist so vermieden und das Kragplattenanschlusselement ist einfach in ein Bauwerk integrierbar, da es keine Vorsprünge oder Absätze aufweist. Auch können beim Schwinden des Betons keine Spannungen aufgebaut werden.Advantageously, the length of the printing elements is approximately equal to the wall thickness of the insulating body, i. they can be flush with the surface of the insulating body. Unnecessary material use is avoided and the cantilever connection element is easily integrated into a building, since it has no projections or heels. Also, no stresses can be built up when shrinking the concrete.

Die Anordnung der Druckelemente in kurzem Abstand zum unteren Rand des Isolationskörpers hat den Effekt, dass die Druckelemente einen möglichst grossen Abstand zu den darüberliegenden Formstahlstäben aufweisen. Dadurch wird dem über die Formstahlstäbe eingeleiteten Drehmoment ein Drehmoment entgegengehalten, das gebildet ist aus dem Produkt aus einem möglichst grossen Hebel zwischen den Formstahlstäben und den darunterliegenden Druckelementen und einer möglichst geringen Haltekraft.The arrangement of the pressure elements in a short distance to the lower edge of the insulating body has the effect that the pressure elements have the greatest possible distance from the overlying steel bars. As a result, the torque introduced via the shaped steel bars is counteracted by a torque which is formed from the product of the largest possible lever between the shaped steel bars and the underlying pressure elements and the lowest possible holding force.

Da die Druckelemente zylindrisch sind, können diese kostengünstig hergestellt werden, indem Rundstäbe mit entsprechendem Durchmesser abgelängt werden. Die Druckelemente können aber auch aus Winkelprofilen bestehen, um den Querschnitt möglichst klein zu halten.Since the printing elements are cylindrical, they can be produced inexpensively by cutting round rods with a corresponding diameter. But the pressure elements can also consist of angle profiles to keep the cross section as small as possible.

In einer bevorzugten Ausführungsform sind an den beiden Enden der Druckelemente stirnseitig Druckverteil-Platten fixiert, welche den Querschnitt der Druckelemente dimensionsmässig überragen. So kann sichergestellt werden, dass die auftretenden Druckkräfte gleichmässig auf die Druckelemente verteilt sind und die Druckelemente nicht in Richtung ihrer Längserstreckung aus dem Isolationskörper herausgezogen werden können.In a preferred embodiment, at the two ends of the pressure elements, pressure distribution plates are fixed on the front side, which cover the cross section of the pressure elements overshoot dimensionally. It can thus be ensured that the pressure forces which occur are uniformly distributed over the pressure elements and that the pressure elements can not be pulled out of the insulation body in the direction of their longitudinal extent.

Mit Vorteil sind die einzelnen Formstahlstäbe durch mindestens einen Querstab verbunden. Dieses Konstruktionsmerkmal gewährleistet, dass einzelne Formstahlstäbe nicht aus dem Isolationskörper herausziehbar sind. Eine Positionssicherung der Formstahlstäbe ist dadurch gegeben.Advantageously, the individual shaped steel bars are connected by at least one transverse bar. This design feature ensures that individual shaped steel bars can not be pulled out of the insulating body. A position assurance of the forming steel rods is given by.

Zweckmässigerweise sind die Formstahlstäbe auf beiden Seiten durch mindestens einen Querstab verbunden. Dadurch ist eine Positionssicherung bezüglich beider Richtungen der Längsachse eines Formstahlstabes gewährleistet.Conveniently, the shaped steel bars are connected on both sides by at least one transverse bar. As a result, a position assurance is ensured with respect to both directions of the longitudinal axis of a forming steel bar.

In einer bevorzugten Ausführungsvariante befindet sich der mindestens ein Querstab in kurzem Abstand zu einem Ende der Formstahlstäbe. Diese Querstäbe verhindern den Auszug des Elements aus der Betondecke und bilden eine zusätzliche Verankerung in diesem.In a preferred embodiment, the at least one transverse bar is located at a short distance from one end of the shaped steel bars. These crossbars prevent the extraction of the element from the concrete ceiling and form an additional anchoring in this.

Da der Wärmeübergang zwischen den beiden an das Kragplattenanschlusselement anschliessenden Bauelementen, beispielsweise einer Gebäudedecke und einer Balkonbodenplatte, möglichst gering zu halten ist, sind die Formstahlstäbe bevorzugt aus hochlegiertem Edelstahl ausgeführt. Hochlegierter Edelstahl besitzt eine bis zu vierfach geringere Wärmeleitfähigkeit als herkömmlicher niedrig legierter oder unlegierter Stahl.Since the heat transfer between the two adjoining the Kragplattenanschlusselement components, such as a building ceiling and a balcony floor plate to keep as low as possible, the shaped steel rods are preferably made of high-alloy stainless steel. High-alloyed stainless steel has up to four times lower thermal conductivity than conventional low-alloyed or unalloyed steel.

Mit Vorteil besitzt der Formstahlstab eine solche Länge, dass dieser beidseits den Isolationskörper um eine kurze Distanz überragt und dass zwei längliche Verlängerungselemente an den Stirnseiten des Formstahlstabs angeordnet sind. Die Formstahlstäbe können durch das Vorsehen der zusätzlichen Verlängerungselemente möglichst kurz gehalten werden. Da Formstahlstäbe aus hoch legiertem Edelstahl im Vergleich zu Formstahlstäben aus unlegierten bzw. niedrig legiertem Stahl teuer sind, ist es von besonderem Vorteil, wenn diese kurz gehalten werden können. Für die statische Sicherheit ist es ausreichend, wenn die Formstahlstäbe den Isolationskörper zu beiden Seiten um maximal 200 mm überragen.Advantageously, the shaped steel rod has a length such that it protrudes on both sides of the insulating body by a short distance and that two elongated extension elements are arranged on the end faces of the forming steel rod. The shaped steel bars can be kept as short as possible by providing the additional extension elements. Since high alloy stainless steel mild steel bars are expensive compared to mild steel and low alloy steel bars, it is particularly advantageous if they can be kept short. For static safety, it is sufficient if the shaped steel bars project beyond the insulation body on both sides by a maximum of 200 mm.

Zweckmässigerweise ist das Verlängerungselement durch Formschluss oder eine Schweissverbindung an der jeweiligen Stirnseite festgelegt. Ist die Verbindung als Formschluss ausgeführt, so können die relativ kurzen Formstahlstäbe und die Verlängerungselemente separat an die Baustelle geliefert werden und vor Ort zusammengebaut werden.Conveniently, the extension element is fixed by positive engagement or a welded connection to the respective end face. If the connection is designed as a positive connection, the relatively short shaped steel rods and the extension elements can be delivered separately to the construction site and assembled on site.

Als vorteilhaft erweist es sich, wenn das jeweilige Verlängerungselement die Gestalt eines U-förmig gebogenen Stabes besitzt, wobei der Stab an seiner Biegung an der Stirnseite festgelegt ist. Der U-förmige Stab ist kostengünstig herstellbar und beispielsweise mit einer Klammer rasch unter Formschluss an der Stirnseite festlegbar. Die Verbindung zwischen dem Stab und dem Formstahlstab ist direkt auf der Baustelle rasch herstellbar.It proves to be advantageous if the respective extension element has the shape of a U-shaped bent rod, wherein the rod is fixed at its bend on the front side. The U-shaped rod is inexpensive to produce and can be fixed quickly, for example with a clip under positive engagement on the front page. The connection between the rod and the forming steel rod can be produced quickly on the construction site.

In einer bevorzugten Ausführungsform ist der Formstahlstab aus einem hochlegierten Edelstahl und die länglichen Verlängerungselemente sind aus unlegiertem oder niedrig legiertem Stahl hergestellt . Der Stab benötigt nicht die niedrigen Wärmeleitfähigkeiten von hoch legiertem Edelstahl, da dieser nicht durch den Isolationskörper ragt. Der teurere Formstahltstab aus hochlegiertem Edelstahl kann daher möglichst kurz ausgeführt sein. Die geringe Wärmeleitfähigkeit des Formstahlstabs wird nur am Durchgang durch den Isolationskörper genutzt. Somit ist der teure hochlegierte Edelstahl nur dort eingesetzt, wo er unbedingt erforderlich ist.In a preferred embodiment, the mild steel bar is made of high alloy stainless steel and the elongated extension members are made of unalloyed or low alloy steel. The rod does not require the low thermal conductivities of high alloy stainless steel because it does not protrude through the insulator body. The more expensive form steel rod made of high-alloy stainless steel can therefore be designed as short as possible. The low thermal conductivity of the forming steel rod is used only at the passage through the insulating body. Thus, the expensive high-alloy stainless steel is used only where it is absolutely necessary.

Gegenstand der vorliegenden Erfindung ist auch ein Kragplattenmodul zur Herstellung eines Kragplattenanschlusselements , wobei die Armierung mit Vorteil durch einen einzelnen Formstahlstab gebildet ist, welcher in der oberen Hälfte des Isolationskörpers angeordnet ist und im Isolationskörper ein einzelnes Druckelement unterhalb und in Abstand zum Formstahlstab integriert ist. Einzelne Kragplattenmodule enthalten nur einen einzigen Formstahlstab und ein einziges Druckelement. Das aus mehreren Kragplattenmodulen bestehende Kragplattenanschlusselement ist individuell an die im jeweiligen Bauwerk auftretenden Kräfte und die benötigte Länge anpassbar.The present invention is also a cantilever module for producing a Kragplattenanschlusselements, wherein the reinforcement is advantageously formed by a single forming steel bar, which is arranged in the upper half of the insulating body and in the insulating body, a single pressure element is integrated below and at a distance from the forming steel bar. Single cantilever modules contain only a single bar and a single pressure element. The Kragplattenanschlusselement consisting of several Kragplattenmodulen is individually adapted to the forces occurring in the respective structure and the required length.

Weiterer Gegenstand der vorliegenden Erfindung ist ein System zur Herstellung eines Kragplattenanschlusselements, wobei das System vorteilhaft aus einer Mehrzahl von oben beschriebenen einzelnen Kragplattenmodulen und einzelnen Isolationskörpern besteht, welche individuell zusammensetzbar sind. Für den Aufbau eines Kragplattenanschlusselements sind daher nur wenige unterschiedliche Module nötig. Ein Kragplattenanschlusselement ist massgeschneidert auf vorliegende Kräfte nach einem Baukastensystem aufbaubar. Folglich ist das Kragplattenanschlusselement weder unter- noch überdimensioniert und es werden nur diejenigen Herstellungskosten verursacht, die notwendig sind.Another object of the present invention is a system for producing a Kragplattenanschlusselements, wherein the system advantageously consists of a plurality of individual Kragplattenmodulen described above and individual insulating bodies, which are individually composable. For the construction of a Kragplattenanschlusselements are therefore only a few different modules needed. A cantilever panel connection element can be custom-built to existing forces according to a modular system. Consequently, the cantilever panel connection element is neither undersized nor oversized, and only those production costs are incurred which are necessary.

Noch ein Gegenstand der Erfindung betrifft ein weiteres System zur Herstellung eines Kragplattenanschlusselements. Der Isolationskörper dieses Systems besteht aus drei Lagen. Die erste Lage ist aus einer Mehrzahl von nebeneinander angeordneten Isolationskörpern, in welche zumindest teilweise Druckelemente integriert sind, aufgebaut. Die zweite Lage, welche oberhalb der ersten Lage angeordnet ist, besteht aus mindestens einem isolierenden Zwischenkörper, an dessen oberen Seite Ausnehmungen zur mindestens teilweisen Aufnahme von Armierungselementen vorgesehen sind. Die den Isolationskörper nach oben hin abschliessende dritte Lage, welche oberhalb der zweiten Lage angeordnet ist, besteht aus mindestens einem isolierenden Deckkörper. An dessen unteren Seite sind vorzugsweise Ausnehmungen derart vorgesehen, dass jeweils eine Ausnehmung des Zwischenkörpers und des Deckkörpers gemeinsam eine Ausnehmung bilden. Die gemeinsame Ausnehmung entspricht im Wesentlichen den Aussenabmessungen des Querschnitts eines Armierungselements. Dieses System erlaubt ein hohes Mass an Flexibilität des Kragplattenanschlusselements. Durch entsprechende Wahl der Anzahl der Isolationskörper und ob in diese ein Druckelement integriert ist oder nicht, lässt sich das Kragplattenanschlusselement individuell an die vorliegenden Druckverhältnisse und die benötigte Länge anpassen. Die Formstahlstäbe können vorteilhaft erst auf der Baustelle zwischen die zweite und dritte Lage eingesteckt werden. Daraus resultiert ein erheblich vereinfachter Transport des Kragplattenanschlusselements auf die Baustelle. Auch lässt sich durch Vorsehen einer entsprechenden Anzahl von Ausnehmungen die Anzahl der Formstahlstäbe an die vorliegenden Zug- und Querkraftbelastungen anpassen.Yet another object of the invention relates to a further system for producing a cantilever panel connection element. The insulating body of this system consists of three layers. The first layer is composed of a plurality of insulating bodies arranged side by side, in which at least partially pressure elements are integrated. The second layer, which is arranged above the first layer, consists of at least one insulating intermediate body, on the upper side of which recesses are provided for at least partially accommodating reinforcing elements. The isolation of the upper body final third layer, which is arranged above the second layer, consists of at least one insulating cover body. On the lower side recesses are preferably provided such that in each case a recess of the intermediate body and the cover body together form a recess. The common recess substantially corresponds to the external dimensions of the cross section of a reinforcing element. This system allows a high degree of flexibility of the cantilever panel connection element. By appropriate choice of the number of insulation body and whether a pressure element is integrated into it or not, the cantilever panel connection element can be individually adapted to the existing pressure conditions and the required length. The shaped steel rods can advantageously be inserted only at the construction site between the second and third layer. This results in a considerably simplified transport of the cantilever panel connection element to the site. Also, by providing a corresponding number of recesses, the number of mild steel bars can be adapted to the present tensile and transverse force loads.

Als vorteilhaft erweist es sich, wenn die nebeneinander angeordneten Isolationskörper der ersten Lage, die erste Lage mit der zweiten Lage und die zweite Lage mit der dritten Lage durch Formschluss und/oder Verklebung untereinander verbindbar sind. Diese Verbindungen sind rasch, gegebenenfalls auch auf der Baustelle, herstellbar und halten die einzelnen Bauelemente währende des Einbaus des Kragplattenanschlusselements zuverlässig aneinander.It proves to be advantageous if the juxtaposed insulating body of the first layer, the first layer with the second layer and the second layer with the third layer by positive engagement and / or bonding are interconnected. These compounds are quickly, possibly also on site, produced and hold the individual components throughout the installation of the cantilever panel connection element together.

Weiterer Gegenstand der vorliegenden Erfindung ist auch ein Verfahren zur Herstellung eines Kragplattenanschlusselements, wobei in einem ersten Schritt ein einzelnes Kragplattenmodul hergestellt wird. In der oberen Hälfte eines quaderförmigen Isolationskörpers wird eine Armierung in Form eines einzelnen Formstahlstabs eingesetzt. Unterhalb des Formstahlstabs wird ein Druckelement eingesetzt. In einem zweiten Schritt werden mehrere Kragplattenmodule nebeneinander angeordnet. Die gegeneinander orientierten Seitenflächen der einzelnen Isolationskörper werden miteinander verbunden. Da ein Kragplattenanschlusselement nicht in einem Stück hergestellt wird, sondern aus Standard-Kragplattenmodulen zusammengesetzt wird, ist das erfindungsgemässe Herstellverfahren kostengünstig und zugleich flexibel.Another object of the present invention is also a method for producing a Kragplattenanschlusselements, wherein in a first step, a single cantilever module is made. In the upper half of a cuboid insulating body, a reinforcement in the form of a single steel bar is used. Below the forming rod a pressure element is used. In a second step, several cantilever modules are arranged side by side. The mutually oriented side surfaces of the individual insulation body are connected together. Since a cantilever panel connection element is not produced in one piece, but is assembled from standard cantilever panel modules, the production method according to the invention is inexpensive and at the same time flexible.

In einem bevorzugten Verfahren werden die gegeneinander orientierten Seitenflächen der einzelnen Kragplattenmodule miteinander verklebt. Verklebungen lassen sich leicht automatisieren und halten die Seitenflächen dauerhaft zusammen.In a preferred method, the mutually oriented side surfaces of the individual cantilever module are glued together. Gluing can be easily automated and keep the side surfaces together permanently.

Dadurch, dass zwischen zwei Kragplattenmodule oder am Rand des Kragplattenanschlusselements weitere Isolationskörper eingesetzt werden, lässt sich das so hergestellte Kragplattenanschlusselement individuell an die jeweiligen Kräfte eines Bauwerkes anpassen. Das Kragplattenanschlusselement ist massgeschneidert, wenngleich es aus Kragplattenmodulen und Isolationskörpern zusammengesetzt ist, die Massenprodukte sind.Characterized in that between two cantilever modules or at the edge of the cantilever panel connection element further insulation body are used, the cantilever connection element thus produced can be individually adapted to the respective forces of a building. The cantilever panel connection element is tailor-made, although it is composed of cantilever module modules and insulation bodies, which are mass products.

Nachfolgend wird die Erfindung unter Bezugnahme auf die Figuren beispielhaft erläutert. Es zeigt:

Figur 1
eine perspektivische Ansicht eines erfindungsgemässen Kragplattenanschlusselements, welches aus 5 Kragplattenmodulen und zwei aussen an die Kragplattenmodule anschliessenden Isolationskörpern zusammengesetzt ist;
Figur 2
das Kragplattenanschlusselement von Fig. 1 in einer Vorderansicht;
Figur 3
das Kragplattenanschlusselement von Fig. 1 in einer Seitenansicht;
Figur 4
eine perspektivische Ansicht eines Kragplattenanschlusselements, welches aus 2 Kragplattenmodulen und 5 Isolationskörpern aufgebaut ist;
Figur 5
eine Explosionsdarstellung eines Kragplattenanschlusselements, welches aus 4 Kragplattenmodulen und 3 Isolationskörpern aufgebaut ist;
Figur 6
eine perspektivische Ansicht einer weiteren Ausführungsform ;
Figur 7
eine Vorderansicht der Ausführungsform aus Figur 6 und
Figur 8
eine Draufsicht auf ein Kragplattenanschlusselement in einer weiteren Ausführungsform.
The invention will be explained by way of example with reference to the figures. It shows:
FIG. 1
a perspective view of an inventive Kragplattenanschlusselements, which is composed of 5 Kragplattenmodulen and two outside of the Kragplattenmodule subsequent insulation bodies;
FIG. 2
the cantilever connection element of Fig. 1 in a front view;
FIG. 3
the cantilever connection element of Fig. 1 in a side view;
FIG. 4
a perspective view of a Kragplattenanschlusselements, which is composed of 2 Kragplattenmodulen and 5 insulation bodies;
FIG. 5
an exploded view of a Kragplattenanschlusselements, which is composed of 4 Kragplattenmodulen and 3 insulation bodies;
FIG. 6
a perspective view of another embodiment;
FIG. 7
a front view of the embodiment FIG. 6 and
FIG. 8
a plan view of a Kragplattenanschlusselement in another embodiment.

Die Figuren 1 bis 3 zeigen ein Kragplattenanschlusselement 11 mit einem Isolationskörper 13 und einer Mehrzahl den Isolationskörper 13 querenden Formstahlstäben 15. Die Formstahlstäbe können aus feuerverzinktem Stahl gefertigt sein. Dieser Werkstoff ist in seiner Herstellung kostengünstig, besitzt jedoch eine relativ hohe Wärmeleitfähigkeit. Da hochlegierter Edelstahl geringere Wärmeleitfähigkeiten als herkömmlicher Baustahl besitzt, ist es auch denkbar, die Formstahlstäbe 15 aus diesem Material zu fertigen. Der möglichst gering zu haltende Wärmeübergang zwischen den beiden Seiten des Kragplattenanschlusselements 11 ist in diesem Fall reduziert. Die Formstahlstäbe 15 können unterschiedliche Querschnittsprofile aufweisen (T-, H-, C- oder U-förmig etc.). Im Gegensatz zum eingangs erwähnten Stand der Technik erlauben erwähnte Querschnittsprofile die Aufnahme nicht nur von Zugkräften, sondern auch von Querkräften. Auf die Verwendung von weiteren Bewehrungselementen ,welche der Aufnahme von Querkräften dient, kann bei dem erfindungsgemässen Kragplattenanschlusselement 11 daher verzichtet werden. Beispielsweise nimmt bei einem T-Träger der Flansch die auftretenden Zugkräfte und der Steg die auftretenden Querkräfte auf. Der Isolationskörper 13 ist aus einem geschäumten Kunststoff, vorzugsweise PU-Schaum, einer Glas- oder Steinwolleplatte hergestellt. In den Isolationskörper 13 sind Druckelemente 17 integriert. Im Ausführungsbeispiel weisen die Druckelemente 17 einen runden Querschnitt auf. Denkbar wäre es aber auch, dass die Druckelemente 17 z. B. einen rechteckigen (in Figur 5 dargestellt) oder einen kreuzförmigen Querschnitt zeigen. Ein kreuzförmiges Druckelement lässt sich z. B. dadurch herstellen, dass zwei L-Profile mit vorzugsweise gleichlangen Schenkeln an ihren Ecken verschweisst sind. Zur gleichmässigen Verteilung der Druckkräfte können diese Druckelemente an ihren Stirnseiten mit Druckverteil-Platten 19 abgeschlossen sein.The FIGS. 1 to 3 show a Kragplattenanschlusselement 11 with an insulating body 13 and a plurality of the insulating body 13 crossing shaped steel bars 15. The shaped steel bars may be made of hot-dip galvanized steel. This material is inexpensive to manufacture, but has a relatively high thermal conductivity. Since high-alloy stainless steel has lower thermal conductivities than conventional structural steel, it is also conceivable to manufacture the shaped steel rods 15 from this material. The lowest possible heat transfer between the two sides of the cantilever plate connection element 11 is reduced in this case. The shaped steel rods 15 may have different cross-sectional profiles (T, H, C or U-shaped, etc.). In contrast to the above-mentioned prior art mentioned cross-sectional profiles allow the recording not only of tensile forces, but also of lateral forces. The use of further reinforcing elements, which serves to absorb transverse forces, can therefore be dispensed with in the cantilevered-element connection element 11 according to the invention. For example, in the case of a T-beam, the flange absorbs the tensile forces that occur and the web absorbs the transverse forces that occur. The insulating body 13 is made of a foamed plastic, preferably PU foam, a glass or rock wool plate. In the Insulating body 13 are pressure elements 17 integrated. In the exemplary embodiment, the pressure elements 17 have a round cross section. It would also be conceivable, however, that the printing elements 17 z. B. a rectangular (in FIG. 5 shown) or show a cross-shaped cross-section. A cross-shaped pressure element can be z. B. thereby produce that two L-profiles are preferably welded at their corners with equal length legs. For uniform distribution of the compressive forces, these pressure elements can be completed at their ends with pressure distribution plates 19.

Die Figuren 1, 2 und 4 zeigen, dass die Anzahl der Druckelemente 17 der Anzahl der Formstahlstäbe 15 entspricht. Es wäre aber auch möglich, dass die Anzahl der Druckelement 17 ungleich der Anzahl der Formstahlstäbe 15 ist. Diese Druckelemente 17 sind in kurzem Abstand zum unteren Rand des Isolationskörpers und unterhalb der Formstahlstäbe 15 angeordnet. So wird der Grossteil der auftretenden Druckkräfte von den Druckelementen 17 aufgenommen und kann von diesen in eine an den Isolationskörper 13 anschliessende Wand eingeleitet werden. In diesem Ausführungsbeispiel sind die Druckelemente 17 aus Stahl gefertigt.The FIGS. 1, 2 and 4 show that the number of pressure elements 17 corresponds to the number of shaped steel bars 15. It would also be possible that the number of pressure element 17 is not equal to the number of shaped steel rods 15. These pressure elements 17 are arranged at a short distance from the lower edge of the insulating body and below the shaped steel rods 15. Thus, the majority of the pressure forces occurring are absorbed by the pressure elements 17 and can be introduced by these in a subsequent to the insulating body 13 wall. In this embodiment, the printing elements 17 are made of steel.

Stirnseitig sind an den Druckelementen 17 quadratische Druckverteil-Platten 19 befestigt. Die Druckverteil-Platten 19 können mit den Stirnseiten der Druckelemente 17 verschweisst, verschraubt oder verklebt sein. Auch andere Formen der Verbindung sind denkbar, von Bedeutung ist lediglich, dass die Verbindung sich nicht ungewollt löst.On the front side 17 square pressure distribution plates 19 are attached to the pressure elements. The pressure distribution plates 19 may be welded, screwed or glued to the end faces of the pressure elements 17. Other forms of connection are conceivable, it is only important that the compound does not solve unintentionally.

Die Druckverteil-Platten 19 überragen den Querschnitt der Druckelemente 17. Dadurch sind einerseits die auftretenden Druckkräfte gleichmässig auf die Druckelemente 17 verteilt und andererseits ist eine Verschiebung der Druckelemente 17 in Richtung deren Längsachse verhindert. Denkbar wäre es auch, dass eine einzelne längliche Platte die Druckverteil-Platten 19 auf einer Seite des Isolationskörpers ersetzt. Die längliche Platte deckt alle Stirnseiten der Druckelemente 17 ab, die dieselbe Orientierung aufweisen.The pressure distribution plates 19 project beyond the cross section of the pressure elements 17. As a result, on the one hand, the pressure forces occurring are uniformly distributed over the pressure elements 17 and, on the other hand, a displacement of the pressure elements 17 in the direction of their longitudinal axis is prevented. It would also be conceivable for a single elongate plate to replace the pressure distribution plates 19 on one side of the insulating body. The elongate plate covers all end faces of the printing elements 17, which have the same orientation.

In kurzem Abstand zu den Enden der Formstahlstäbe 15 verbinden Querstäbe 21 die Formstahlstäbe 15 quer zu deren Längsrichtung. Die Querstäbe 21 verhindern, dass ein einzelner Formstahlstab 15 ungewollt, einerseits während des Transports und des Einbaus des Kragplattenanschlusselements 11 aus dem Isolationskörper 13 und andererseits im eingebauten Zustand herausgezogen wird. Die Querstäbe 21 erfüllen die Aufgabe einer Auszugsicherung und sind nicht für die Aufnahme von im Bauwerk auftretenden Kräften vorgesehen. Die Querschnitte der Querstäbe 21 können daher gering dimensioniert werden und weisen bevorzugt einen Querschnitt von 6 bis 8 mm auf. Für die Auszugssicherung im eingebauten Zustand wäre es auch denkbar, dass die Querstäbe 21 die Formstahlstäbe 15 nicht durchgehend verbinden und beispielsweise jeweils als Einzelteile an den Enden der Formstahlstäbe vorgesehen sind.At a short distance from the ends of the shaped steel rods 15, transverse rods 21 connect the shaped steel rods 15 transversely to their longitudinal direction. The transverse rods 21 prevent a single shaped steel rod 15 from being unintentionally pulled out of the insulating body 13 on the one hand during transport and installation of the cantilevered connection element 11 and on the other hand when installed. The cross bars 21 fulfill the task of Pull-out protection and are not intended for the absorption of forces occurring in the building. The cross sections of the transverse rods 21 can therefore be dimensioned small and preferably have a cross section of 6 to 8 mm. For the pull-out protection in the installed state, it would also be conceivable that the transverse rods 21 do not connect the shaped steel rods 15 continuously and are provided, for example, in each case as individual parts at the ends of the shaped steel rods.

Die Figuren 1 und 4 lassen erkennen, dass das Kragplattenanschlusselement 11 aus einzelnen Kragplattenmodulen 23 zusammengesetzt sein kann. Jedes einzelne Kragplattenmodul 23 besteht aus einem quaderförmigen Isolationskörper, in welchen in dessen oberer Hälfte ein Formstahlstab 15 und unterhalb ein Druckelement 17 eingesetzt ist. Zwischen zwei Kragplattenmodulen 23 und am Rand des Kragplattenanschlusselements 11 können weitere quaderförmige Isolationskörper 27 eingesetzt sein. Die einzelnen Kragplattenmodule 23 und die Isolationskörper 27 sind an ihren gegeneinander orientierten Seitenflächen verklebt.The FIGS. 1 and 4 let recognize that the cantilever plate connection element 11 may be composed of individual cantilever module 23. Each individual cantilever module 23 consists of a cuboid insulating body, in which in the upper half of a forming steel rod 15 and below a pressure element 17 is inserted. Between two cantilever module 23 and at the edge of Kragplattenanschlusselements 11 more cuboid insulating body 27 may be used. The individual cantilever module 23 and the insulation body 27 are glued to their mutually oriented side surfaces.

Figur 5 zeigt den modularen Aufbau des Kragplattenanschlusselements 11 aus Kragplattenmodulen 23 und Isolationskörpern 27. Die gegeneinander orientierten Seitenflächen 25 eines einzelnen Kragplattenmoduls 23 resp. eines Isolationkörpers 27 können zusätzlich formschlüssig verbunden sein (in Figur 5 nicht dargestellt). Als Formschluss kann z. B. eine positive bzw. negative Schwalbenschwanzform zur Herstellung einer Schwalbenschwanzverbindung ausgeführt sein. FIG. 5 shows the modular structure of the Kragplattenanschlusselements 11 from Kragplattenmodulen 23 and insulation bodies 27. The mutually oriented side surfaces 25 of a single cantilever module 23, respectively. an insulating body 27 may additionally be positively connected (in FIG. 5 not shown). As positive locking z. B. a positive or negative dovetail shape for producing a dovetail joint be executed.

Der modulare Aufbau des Kragplattenanschlusselements 11 hat den Vorteil, dass dieses aus Kragplattenmodulen 23 und Isolationskörpem 27 aufgebaut ist. Dadurch ist eine individuelle Anpassung des Kragplattenanschlusselements 11 an die vorliegenden Kräfte im jeweiligen Bauwerk möglich. Auch kann durch die entsprechende Auswahl von Kragplattenmodulen 23 und Isolationskörpem 27 eine individuelle Länge des Kragplattenanschlusselements 11 erzielt werden. Eine Überdimensionierung bzw. eine Unterdimensionierung des Kragplattenanschlusselements bezüglich der vorherrschenden Kräfte kann durch die modulare Bauweise vermieden werden. Die Lagerkosten des erfindungsgemässen Kragplattenanschlusselements 11 sind gering, da nur wenige Standardmodule auf Lager gehalten werden müssen. Auch sind die Herstellungskosten eines Kragplattenanschlusselements 11 gering, da das jeweilige massgeschneiderte Kragplattenanschlusselement 11 aus Standardmodulen gefertigt wird.The modular design of the cantilever panel connection element 11 has the advantage that it is constructed from cantilever module 23 and Isolationskörpem 27. This allows individual adaptation of the cantilever panel connection element 11 to the existing forces in the respective building. Also, by the appropriate selection of Kragplattenmodulen 23 and Isolationskörpem 27 an individual length of the Kragplattenanschlusselements 11 can be achieved. Oversizing or undersizing the cantilevered connection element with respect to the prevailing forces can be avoided by the modular construction. The storage costs of the inventive Kragplattenanschlusselements 11 are low, since only a few standard modules must be kept in stock. The production costs of a cantilever panel connection element 11 are low, since the respective tailor-made Cantilever plate connection element 11 is made of standard modules.

Eine weitere Ausführungsform zur individuellen Anpassung des Kragplattenanschlusselements 11 und zum raschen Aufbau desselbigen auf der Baustelle ist in den Figuren 6 und 7 gezeigt. In dieser Ausführungsform besitzt das Kragplattenanschlusselement 11 vorzugsweise eine erste, zweite und dritte Lage 29,31,33. Die erste Lage ist aus einer Mehrzahl von nebeneinander angeordneten Isolationskörpern 27 aufgebaut. In einen Isolationskörper 27 kann ein weiter oben beschriebenes Druckelement 17 integriert sein. Eine Kombination von Isolationskörpern mit und ohne Druckelementen ermöglicht eine individuelle Anpassung an die auf das Kragplattenanschlusselement 11 ausgeübten Druckkräfte. Zusätzlich lässt sich durch die gewählte Anzahl der Isolationskörper 27 die Länge des Kragplattenanschlusselements in den Abstufungen der Breite eines Isolationskörpers 27 individuell wählen. Die Verbindung der einzelnen einander zugewandten Seiten der Isolationskörper kann, wie bereits oben beschrieben, durch Verklebung und/oder Formschluss, beispielsweise in Gestalt einer Schwalbenschwanzverbindung, realisiert sein. Oberhalb der ersten Lage 29 ist eine zweite Lage als ein vorzugsweise einzelner Zwischenkörper 31 angeordnet. Möglich ist jedoch auch, dass mehrere Zwischenkörper 31 nebeneinander angeordnet sind. Der Zwischenkörper 31 besteht vorzugsweise aus demselben isolierenden Material wie die Isolationskörper 27. Die Isolationskörper 27 und der Zwischenkörper können durch Formschluss und/oder Verklebung miteinander verbunden sein. Als Formschluss dienen beispielsweise zylindrische Erhebungen an der Oberseite der Isolationskörper, welche mit zylindrischen Ausnehmungen an der den Isolationskörpern zugewandten Unterseite des Zwischenkörpers 31 zusammenwirken. Der Zwischenkörper 31 und die Isolationskörper sind daher wie bei einem Baukastensystem zusammensteckbar. An der Oberseite des Zwischenkörpers 31 sind nach oben hin offene Ausnehmungen vorgesehen, welche der zumindest teilweisen Aufnahme der Formstahlstäbe 15 dienen. Die Ausnehmungen sind vorzugsweise derart an dem Zwischenkörper vorgesehen, dass ein Formstahlstab im Wesentlichen oberhalb eines Druckelements angeordnet ist. Diese Ausnehmungen haben den Vorteil, dass die Formstahlstäbe in diese einsteckbar sind und nicht von einer Seite in die Zwischenschicht eingeschoben werden müssen. Es ist demnach auch möglich die Formstahlstäbe 15 erst auf der Baustelle in die Ausnehmungen einzustecken. Demzufolge ist der Transport des Kragplattenanschlusselements 11 auf die Baustelle massgeblich vereinfacht, da die einzelnen Bauelemente während des Transports parallel zueinander anordenbar sind. Die Ausnehmungen können derart dimensioniert sein, dass die eingesteckten Formstahlstäbe 15 bündig mit der Oberseite des Zwischenkörpers 31 abschliessen. In diesem Fall sind weitere entsprechend an die Formstahlstäbe angepasste Ausnehmungen an der dritten Lage 33 nicht notwendig.A further embodiment for the individual adaptation of the cantilever panel connection element 11 and the rapid construction desselbigen on the site is in the FIGS. 6 and 7 shown. In this embodiment, the cantilevered connection element 11 preferably has a first, second and third layer 29, 31, 33. The first layer is constructed from a plurality of insulation bodies 27 arranged side by side. In an insulating body 27, a pressure element 17 described above can be integrated. A combination of insulation bodies with and without pressure elements allows individual adaptation to the pressure forces exerted on the cantilevered connection element 11. In addition, the length of the cantilevered connection element in the gradations of the width of an insulation element 27 can be selected individually by the selected number of insulation elements 27. The connection of the individual mutually facing sides of the insulating body, as already described above, by bonding and / or positive engagement, for example in the form of a dovetail connection, be realized. Above the first layer 29, a second layer is arranged as a preferably single intermediate body 31. However, it is also possible that a plurality of intermediate bodies 31 are arranged side by side. The intermediate body 31 is preferably made of the same insulating material as the insulating body 27. The insulating body 27 and the intermediate body may be connected to each other by positive engagement and / or bonding. As a positive fit, for example, serve cylindrical projections on the upper side of the insulating body, which cooperate with cylindrical recesses on the insulation bodies facing the underside of the intermediate body 31. The intermediate body 31 and the insulating body are therefore plugged together as in a modular system. At the top of the intermediate body 31 open recesses are provided at the top, which serve at least partially receiving the mold steel rods 15. The recesses are preferably provided on the intermediate body such that a shaped steel rod is arranged substantially above a pressure element. These recesses have the advantage that the shaped steel bars are inserted into these and need not be inserted from one side into the intermediate layer. It is therefore also possible to insert the shaped steel rods 15 only at the construction site in the recesses. Consequently, the transport of the cantilever panel connection element 11 is significantly simplified to the construction site, since the individual components can be arranged parallel to each other during transport. The recesses can be dimensioned in such a way that the inserted molded steel bars 15 are flush with the top of the intermediate body 31. In this case, further corresponding to the shaped steel rods adapted recesses on the third layer 33 are not necessary.

Die dritte Lage 33 schliesst das Kragplattenanschlusselement 11 nach oben hin ab. Die dritte Lage besteht vorzugsweise aus einem einzelnen Deckkörper 33 und aus demselben isolierenden Material wie die Isolationskörper 27. Die Verbindung zwischen dem Zwischenkörper 31 und dem Deckkörper 33 kann, wie bereits oben bei der Verbindung zwischen den Isolationskörpem 27 und dem Zwischenkörper 31 ausgeführt, erfolgen. Überragen die Formstahlstäbe 15 die Oberseite des Zwischenkörpers 31, so sind an der unteren dem Zwischenkörper zugewandten Seite nach unten hin offene Ausnehmungen vorzusehen. Ist der Deckkörper 33 auf den Zwischenkörper 31 aufgesteckt, so bildet eine Ausnehmung des Deckkörpers mit einer darunterliegenden Ausnehmung des Zwischenkörpers eine gemeinsame Ausnehmung. Diese gemeinsame Ausnehmung entspricht im Wesentlichen den Aussenabmessungen des Trägerquerschnitts.The third layer 33 closes the cantilever connection element 11 from the top. The third layer preferably consists of a single cover body 33 and of the same insulating material as the insulation body 27. The connection between the intermediate body 31 and the cover body 33, as already above in the connection between the Isolationskörpem 27 and the intermediate body 31 carried out. If the shaped steel bars 15 project beyond the upper side of the intermediate body 31, open recesses are to be provided at the lower side facing the intermediate body. If the cover body 33 is attached to the intermediate body 31, then a recess of the cover body with an underlying recess of the intermediate body forms a common recess. This common recess substantially corresponds to the external dimensions of the carrier cross-section.

Diese Ausführungsform ermöglicht ein sehr rasches Anpassen des Kragplattenanschlusselements 11 an die jeweiligen Anforderungen bezüglich der Abmessungen und Belastungen. So ist es auch denkbar, den Zwischenkörper und/oder den Deckkörper in verschiedenen Höhen anzubieten, um das Kragplattenanschlusselement an die geforderte Gesamthöhe anpassen zu können. Zusätzlich sind die Formstahlstäbe 15 direkt auf der Baustelle in den Zwischenkörper einsteckbar. Der Transport der einzelnen Bauelemente auf die Baustelle kann demnach platzsparend und einfach erfolgen, da die Bauelemente durchwegs längliche Gestalt besitzen und während des Transports parallel zueinander anordenbar sind.This embodiment allows a very rapid adaptation of the cantilever panel connection element 11 to the respective requirements in terms of dimensions and loads. Thus, it is also conceivable to offer the intermediate body and / or the cover body at different heights in order to be able to adapt the cantilevered connection element to the required overall height. In addition, the shaped steel rods 15 can be inserted directly on the construction site in the intermediate body. The transport of the individual components to the site can therefore be space-saving and easy, since the components throughout have elongated shape and can be arranged parallel to each other during transport.

In Figur 8 ist eine weitere Ausführungsform gezeigt, bei der die Formstahlstäbe 15 an ihren Stirnseiten mit U-förmig gebogenen Stäben 35, bevorzugt gebogenen Rundstäben, verbunden sind. Die Verbindung kann über einen Formschluss oder eine Schweissverbindung hergestellt sein. Um den Wärmeübergang durch die Formstahlstäbe möglichst gering zu halten, sind diese, wie oben beschrieben, bevorzugt aus hochlegiertem Edelstahl hergestellt. Da diese jedoch vergleichsweise teuer sind, können sie durch Vorsehen der Rundstäbe 35 möglichst kurz gehalten werden. Versuche haben ergeben, dass das Kragplattenanschlusselement 11 statisch sicher ausgelegt ist, wenn die Formstahlstäbe 15 den Isolationskörper beidseitig um maximal 200 mm überragen. Die Rundstäbe 35, welche den Isolationskörper nicht durchdringen, können daher aus einem kostengünstigen niedrig legierten oder unlegierten Stahl gefertigt sein. Ein weiterer Vorteil der kurzen Formstahlstäbe 15 ist, dass diese einfach zu transportieren sind und erst auf der Baustelle rasch mit den Rundstäben 35 verbindbar sind.In FIG. 8 a further embodiment is shown in which the shaped steel rods 15 are connected at their ends with U-shaped bent rods 35, preferably bent round rods. The connection can be made via a positive connection or a welded connection. In order to keep the heat transfer through the forming steel rods as low as possible, they are, as described above, preferably made of high-alloy stainless steel. However, since these are relatively expensive, they can be kept as short as possible by providing the round rods 35. Experiments have shown that the cantilever plate connection element 11 is designed to be statically safe when the forming steel bars 15 project beyond the insulation body on both sides by a maximum of 200 mm. The round rods 35, which do not penetrate the insulating body, can therefore be made of a low-cost low alloyed or unalloyed Be made of steel. Another advantage of the short form of steel rods 15 is that they are easy to transport and only at the site quickly with the round rods 35 are connected.

Legende:Legend:

1111
Kragplattenanschlusselementcantilever panel
1313
Isolationskörperinsulation body
1515
FormstahlstäbeShape steel bars
1717
Druckelementeprint elements
1919
Druckverteil-PlattenDruckverteil plates
2121
Querstäbecrossbars
2323
KragplattenmodulKragplattenmodul
2525
Seitenflächen der Kragplattenmodule bzw. der IsolationskörperSide surfaces of the cantilever plate modules or the insulation body
2727
Isolationskörperinsulation body
2929
Erste LageFirst location
3131
Zweite Lage, ZwischenkörperSecond position, intermediate body
3333
Dritte Lage, DeckkörperThird layer, cover body
3535
U-förmige StäbeU-shaped bars

Claims (15)

  1. Connecting element for cantilever slab (11) with
    - an insulating body (13),
    - a reinforcement penetrating through the insulating body (13) and
    - a multitude of pressure elements (17), which are integrated in the insulating body (13),
    whereby the reinforcement is formed by a multitude of sectional steel rods (15), characterized in that the sectional steel rods (15) have in cross section an angled, a U-shaped, a H-shaped or a T-profile.
  2. Connecting element for cantilever slab (11) according to claim 1, characterized in that the pressure elements (17) are steel rods.
  3. Connecting element for cantilever slab (11) according to one of the claims 1 to 2, characterized in that the pressure elements (17) are cylindrical.
  4. Connecting element for cantilever slab (11) according to one of the claims 1 to 2, characterized in that the pressure elements (17) have a cross-shaped cross section.
  5. Connecting element for cantilever slab (11) according to one of the claims 1 to 4, characterized in that pressure distributing slabs (19) that preferably exceed in dimensions the cross section of the pressure elements (17) are fixed on the front sides at both ends of the pressure elements (17).
  6. Connecting element for cantilever slab (11) according to one of the claims 1 to 5, characterized in that the different sectional steel rods (15) are connected by at least one transverse rod (21) that can be at a short distance from one end of the sectional steel rods (15).
  7. Connecting element for cantilever slab (11) according to one of the claims 1 to 6, characterized in that the sectional steel rod (15) has such a length that it exceeds the width of the insulating body (13) on both sides and that two elongated extension elements (35) are placed on the front sides of the sectional steel rod (15).
  8. Connecting element for cantilever slab (11) according to claim 7, characterized in that the sectional steel rod (15) is made of a high alloy stainless steel and the elongated extension elements (35) of an unalloyed or low alloy steel.
  9. Connecting element for cantilever slab (11) according to one of the claims 7 to 8, characterized in that the extension element (35) is fixed to one of the front sides of the sectional steel rod (15) by positive locking or a welded connection.
  10. Connecting element for cantilever slab (11) according to one of the claims 7 to 9, characterized in that the respective extension element (35) has the configuration of a U-shaped bent rod, whereby the rod is fixed to one of the front sides of the sectional steel rod (15) at its bent.
  11. Method for producing a connecting element for cantilever slab (11), characterized in that in a first step a single cantilever slab module (23) is produced, a reinforcement as a single sectional steel rod (15) being placed in the upper half of a cube shaped insulating body (27) and a pressure element (17) below the sectional steel rod (15) and that in a second step several cantilever slab modules (23) are placed one besides the other and the front-sided lateral faces orientated against each other (25) of the single insulating bodies are connected with each other.
  12. Method according to claim 11, characterized in that the front-sided lateral faces orientated against each other (25) of the single insulating bodies are glued with each other.
  13. Method according to one of the claims 11 or 12, characterized in that other insulating bodies (27) are placed between two cantilever slab modules (23) or on the edge of the connecting element for cantilever slab (11).
  14. Method for producing a connecting element for cantilever slab (11), characterized in that a multitude of insulating bodies (27) are placed besides each other, insulating bodies (27) into which a pressure element (17) can be integrated, a single intermediate body (21) is placed on the multitude of insulating bodies (27) and a single covering body (23) is placed on the intermediate body (21), the insulating bodies (27) being connected to the intermediate body (21) and the intermediate body (21) to the covering body (33) by positive locking and/or gluing.
  15. Method according to claim 14, characterized in that sectional steel rods (15) are placed between the intermediate body (21) and the covering body (23), whereby in a first step the sectional steel rods (15) are stuck into recesses open upwards provided on the intermediate body (21) and that in a second step the covering body (23) is stuck on the intermediate body (21), the recesses being provided on the intermediate body (21) in such a way that a sectional steel rod (15) is placed substantially above a pressure element (17).
EP10405121.4A 2009-06-24 2010-06-24 Connector element for cantilever slab Active EP2281959B1 (en)

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CH00985/09A CH701351A1 (en) 2009-06-24 2009-06-24 Cantilever panel.

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Publication number Priority date Publication date Assignee Title
FR2970722B1 (en) * 2011-01-20 2015-05-01 Ouest Armatures PARASISMIC PROFILE WITH LOW THERMAL CONDUCTIVITY AND THERMAL BRIDGE BREAKER MODULE EQUIPPED WITH SUCH A PROFILE.
WO2017116366A1 (en) * 2015-12-30 2017-07-06 Yilmaz Kerem Z-type load-bearing thermal insulation module positioned between a balcony and a floor
CH712368A1 (en) * 2016-04-15 2017-10-31 M-Plus Bauprodukte Ag Thermally insulating component.
EP3514296A1 (en) * 2018-01-22 2019-07-24 AVI Alpenländische Veredelungs-Industrie Gesellschaft m.b.H. Reinforcement cage
EP4123097A1 (en) * 2021-07-21 2023-01-25 AVI Alpenländische Veredelungs-Industrie Gesellschaft m.b.H. Connection basket

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CH676615A5 (en) * 1988-04-22 1991-02-15 Bau Box Ewiag
EP0499590B1 (en) * 1991-02-15 1997-04-16 Reto Bonomo Insulating connecting element for balcony floors and the use thereoff
AU5832801A (en) 2000-05-05 2001-11-20 Adolf Krischanetz Device with a toilet or bidet bowl connected to a fluid system
FR2808821B1 (en) * 2000-05-11 2003-05-09 Electricite De France ELEMENTARY MODULE FOR THE CONSTRUCTION OF A THERMAL BRIDGE BREAKER BETWEEN A WALL AND A CONCRETE SLAB AND BUILDING STRUCTURE INCLUDING APPLICATION
DE102005040170A1 (en) * 2005-08-25 2007-03-01 Schöck Bauteile GmbH Heat and sound absorption component for arrangement between building unit and load bearing unit has fire protection components that are accommodated in casing and are arranged crossing insulator
DE102006011336A1 (en) * 2006-03-09 2007-09-13 Schöck Bauteile GmbH Thermal insulation unit for e.g. balcony, has traction force units arranged in upper region of insulating body, and compressive force units arranged in lower region of insulating body
PL1887155T3 (en) * 2006-08-08 2009-04-30 Halfen Gmbh Thermal insulation element

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EP2281959A1 (en) 2011-02-09
CH701351A1 (en) 2010-12-31

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