EP3315678B1 - Élément préfabriqué permettant de raccorder une plaque en porte à faux en béton à une construction - Google Patents

Élément préfabriqué permettant de raccorder une plaque en porte à faux en béton à une construction Download PDF

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Publication number
EP3315678B1
EP3315678B1 EP17198011.3A EP17198011A EP3315678B1 EP 3315678 B1 EP3315678 B1 EP 3315678B1 EP 17198011 A EP17198011 A EP 17198011A EP 3315678 B1 EP3315678 B1 EP 3315678B1
Authority
EP
European Patent Office
Prior art keywords
prefabricated component
component according
reinforcing plates
concrete
end faces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP17198011.3A
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German (de)
English (en)
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EP3315678A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ikona AG
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Ikona AG
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Publication date
Application filed by Ikona AG filed Critical Ikona AG
Publication of EP3315678A1 publication Critical patent/EP3315678A1/fr
Application granted granted Critical
Publication of EP3315678B1 publication Critical patent/EP3315678B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/003Balconies; Decks
    • E04B1/0038Anchoring devices specially adapted therefor with means for preventing cold bridging
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/61Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces

Definitions

  • the invention relates to a prefabricated component for connecting a concrete cantilever as a balcony element to a concrete structure such as a building ceiling.
  • the prefabricated component comprises a DämmAvem for arrangement in a joint between the concrete cantilever and the concrete structure, as well as the insulating body and cross on both sides for embedding in the concrete cantilever and the concrete structure on this projecting tie rods, pressure bars and stiffening plates each made of steel.
  • the tension rods and the pressure rods are connected in pairs via the stiffening plates.
  • a prefabricated component having the feature combination of the preamble of claim 1 is made EP2055845 A2 known.
  • the concrete cantilever and the concrete component to reduce thermal bridges are thermally insulated from each other.
  • the tensile, compressive and shear forces caused by the concrete cantilever are absorbed by the tension rods, the pressure rods and the stiffening plates.
  • the invention is based on the recognition that cross bars for the installation of EP2055845 A2 familiar prefabricated often prove to be a hindrance, because they can potentially collide with the reinforcement of the concrete header and / or the concrete component. Also, they can be a hindrance to warehousing and transportation.
  • the invention therefore has as its object, inter alia, to enable the reception and transmission of the transverse force caused by the concrete cantilever plate without the use of transverse rods in a prefabricated component of the type mentioned at the outset.
  • the invention solves this problem by a prefabricated component according to claim 1. End faces of the stiffening plates of the inventive prefabricated component are aligned obliquely opposite the tension and / or the pressure bars.
  • the transverse forces caused by the concrete cantilever can be absorbed and transmitted through these surfaces.
  • the oblique faces take over the task of the cross bars in the prior art.
  • the prefabricated component according to the invention fits better on the construction site between the reinforcements of the concrete cantilever and / or the concrete component and, if necessary, can also be exchanged more easily after a faulty assembly.
  • To adjust the length of the finished component cuts in the soft insulating body suffice.
  • the elimination of transverse bars the units of interconnected tension and compression bars and stiffening plates are flat, ie practically two instead of three-dimensional. As a result, these units can be much more compact stack and transport.
  • the end faces of the stiffening plates are preferably provided with a plurality, in particular at least three prongs.
  • the tension rods and the pressure rods are slim and the stiffening plates made thin, so that on the one hand no significant cross-section For the heat conduction and on the other hand by deformation within the insulating body relative, caused by unequal heat changes changes in length of concrete cantilever and concrete component can follow sufficiently.
  • the respective dimensions depend on the dimension in particular of the cantilever.
  • the stiffening plates are preferably made thinner than the tensile and / or the pressure bars. At their end faces, the stiffening plates are thicker than running inside the insulating body, for example, at least twice as thick, preferably even 2- to 5 times as thick. As a result of their enlarged area, transverse forces can be absorbed more effectively from the surrounding concrete or transferred to the latter via the oblique end faces.
  • the thickening of the stiffening plates at their end faces can be achieved simply by placing them thereon e.g. be brought by welding fastened bar made of steel.
  • the stiffening plates on both sides over the insulating body at most 30 mm survive. As a result, they only slightly engage in the concrete of the two concrete components.
  • the supernatant or the depth of engagement, measured at points to the tip only 10 to 20 mm.
  • the insulating body can be designed in several parts with several Dämmblöcken and two outer cover layers.
  • the Dämmblöcke come here between each two units of interconnected tension and compression bars and stiffening plates for arrangement.
  • the outer cover layers extend continuously over all the insulating blocks and the units mentioned.
  • the cover layers are preferably made of a harder and more fracture resistant material than the Dämmblöcke and thus give the prefabricated the required overall handling for its handling.
  • the Dämmblöcke, the units mentioned and the outer cover layers can be held together simply by guided around them bands. Since such bands are easy to install, the joining of the parts may possibly only after a storage or transport phase, in which case the compact stackability of said units is also advantageous.
  • the tension rods and the pressure rods can be the same thickness and / or the same length.
  • the prefabricated part of Fig. 1 is arranged in a joint between a dashed line indicated cantilever 1 made of concrete and also indicated by dashed lines concrete structure 2.
  • the cantilever panel 1 may be a balcony slab and the concrete structure 2 may be a floor slab of a building.
  • the prefabricated component has an elongate insulating body 3, which is penetrated by upper tension rods 4 and lower pressure rods 5.
  • upper tension rods 4 and lower pressure rods 5 are connected in pairs by stiffening plates 6, for example, by the tie rods 4 are welded respectively at the upper edge and the pressure bars respectively at the bottom of the stiffening plates 6.
  • the tension rods 4 and the pressure rods run parallel to each other and parallel to the top and bottom at least the concrete cantilever 1.
  • About the insulating body 3 they are on both sides, so that they are embedded with their ends in the concrete cantilever 1 and the concrete structure 2.
  • the connecting plates 6 are also on both sides on the insulating body 3 and over thereby embedded with their end cuts also in the concrete header 1 and the concrete structure 2, albeit less deeply.
  • the embedded in the concrete cantilever 1 and the concrete structure 2 end surfaces 7 of the stiffening plates 6 obliquely against the train 4 and / or the pressure bars 5 are aligned. In the illustrated embodiment, this is achieved by the formation of the end faces 7 with four prongs each. Other oblique training as well as a different number of teeth are also possible. Due to the oblique design of the end faces 7, the transverse forces caused by the concrete cantilever 1 can be absorbed and transmitted through these surfaces.
  • the tension rods 3 and the pressure rods 4 are preferably made of rebar, so that their over the insulating body protruding ends can be sized by a sufficient anchorage in the concrete short, in most cases less than 50 cm long.
  • embedment depths are sufficient up to tips of the teeth of 10 to 30 mm.
  • the stiffening plates 6 are thinner inside the insulating body than the tension bars 4 and / or the pressure bars 5, wherein a thickness of 3 to 4 mm is suitable.
  • the height of the stiffening plates 6 corresponds to the mutual distance of the train 4 and push rods 5, which in turn depends on the masses, in particular the concrete cantilever 1.
  • the stiffening plates 6 are thicker at their end faces 7, preferably 2 - 5 times as thick as inside the insulating body 3. This can be easily achieved by a respectively mounted on the end faces 7 bar made of steel as they are in FIG. 3 and FIG. 4 denoted by 8.
  • the strip 8 may simply be welded onto the end faces 7. In Fig. 3 it is only schematically shown because of their better recognizability with some distance from the end faces 7.
  • tension 4 and the pressure bars 5 and the stiffening plates 6 may be exposed to moisture in the region of the insulating body, they are there and at least within the Betonüberdeckitch the concrete top plate 1 and the concrete structure 2 made of a stainless steel.
  • the insulating body 3 is formed in several parts with several Dämmblöcken 3.1 and two outer cover layers 3.2 and 3.3, wherein the Dämmblöcke 3.1 are arranged between two units of interconnected train 4 and compression bars 5 and stiffening plates 6.
  • the outer cover layers 3.2 and 3.3 in contrast, extend along the entire prefabricated part continuously over all the insulation blocks 3.1 and the said units 4, 5, 6 away.
  • the said parts are held together by an outside around them stretched longitudinal belt 10 and by a plurality of transverse straps 11.
  • the Switzerland- 4 and the pressure bars 5 are in the illustrated embodiment of Fig. 1 the same thickness and the same length, so that the prefabricated component is largely symmetrical and can be installed both rotated about a longitudinal and a transverse axis.

Claims (12)

  1. Elément préfabriqué permettant de raccorder une plaque en béton en porte-à-faux (1) à une construction en béton (2), avec:
    un corps isolant (3) à disposer dans un joint entre la plaque en béton en porte-à-faux (1) et la construction en béton (2),
    des barres de traction (4), des barres de poussée (5) et des plaques de renforcement (6) chaque fois en acier traversant le corps isolant (3), dépassant de part et d'autre hors de celui-ci pour être noyées dans la plaque en béton en porte-à-faux (1) et dans la construction en béton (2),
    dans lequel les barres de traction (4) et les barres de poussée (5) sont reliées les unes aux autres par paires par les plaques de renforcement (6),
    les faces frontales (7) des plaques de renforcement (6) sont orientées en oblique par rapport aux barres de traction (4) et/ou aux barres de poussée (5), caractérisé en ce que les plaques de renforcement (6) sont plus épaisses au niveau de leurs faces frontales (7) qu'à l'intérieur du corps isolant (3).
  2. Elément préfabriqué selon la revendication 1, caractérisé en ce que les faces frontales (7) des plaques de renforcement (6) sont munies de plusieurs dents (8.1 - 8.4).
  3. Elément préfabriqué selon la revendication 1 ou 2, caractérisé en ce que les plaques de renforcement (6) sont plus minces au moins à l'intérieur du corps isolant que les barres de traction (4) et/ou les barres de poussée (5) .
  4. Elément préfabriqué selon la revendication 1, caractérisé en ce que les plaques de renforcement (6) sont au moins deux fois plus épaisses, de préférence de 2 à 5 fois plus épaisses, au niveau de leurs faces frontales (7) qu'à l'intérieur du corps isolant (3).
  5. Elément préfabriqué selon la revendication 1, caractérisé en ce que les plaques de renforcement (6) sont plus épaisses au niveau de leurs faces frontales (7), au moyen d'une barrette (8) en acier fixée à celles-ci, qu'à l'intérieur du corps isolant (3).
  6. Elément préfabriqué selon la revendication 5, caractérisé en ce que les plaques de renforcement (6) et la barrette (8) sont soudées l'une à l'autre.
  7. Elément préfabriqué selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les plaques de renforcement (6) dépassent de part et d'autre hors du corps isolant (3) au maximum de 30 mm, de préférence de 10 à 20 mm.
  8. Elément préfabriqué selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le corps isolant (3) est réalisé en plusieurs parties avec plusieurs blocs isolants (3.1) et deux couches de recouvrement extérieures (3.2, 3.3), dans lequel les blocs isolants sont disposés chaque fois entre deux unités composées de barres de traction (4) et de barres de poussée (5) reliées les unes aux autres ainsi que de plaques de renforcement (6) et les couches de recouvrement extérieures (3.2, 3.3) s'étendent en continu sur tous les blocs isolants (3.1) et lesdites unités (4, 5, 6) .
  9. Elément préfabriqué selon la revendication 8, caractérisé en ce que les couches de recouvrement extérieures (3.2, 3.3) sont constituées d'un matériau plus dur et plus résistant à la rupture que les blocs isolants (3.1).
  10. Elément préfabriqué selon la revendication 8, caractérisé en ce que les blocs isolants (3.1), lesdites unités ainsi que les couches de recouvrement extérieures (3.2, 3.3) sont maintenus ensemble par des ligaments
  11. Elément préfabriqué selon l'une quelconque des revendications 1 à 10, caractérisé en ce que les barres de traction (4) et les barres de poussée (5) sont de même épaisseur et/ou de même longueur.
  12. Elément préfabriqué selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'il est de forme symétrique.
EP17198011.3A 2016-10-25 2017-10-24 Élément préfabriqué permettant de raccorder une plaque en porte à faux en béton à une construction Not-in-force EP3315678B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01425/16A CH713073A2 (de) 2016-10-25 2016-10-25 Fertigbauteil zum Anschluss einer Betonkragplatte an ein Betonbauwerk.

Publications (2)

Publication Number Publication Date
EP3315678A1 EP3315678A1 (fr) 2018-05-02
EP3315678B1 true EP3315678B1 (fr) 2019-08-07

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ID=60190605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17198011.3A Not-in-force EP3315678B1 (fr) 2016-10-25 2017-10-24 Élément préfabriqué permettant de raccorder une plaque en porte à faux en béton à une construction

Country Status (2)

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EP (1) EP3315678B1 (fr)
CH (1) CH713073A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018112072A1 (de) * 2018-05-18 2019-11-21 Schöck Bauteile GmbH Bauelement zur thermischen Isolierung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436808C2 (de) * 1994-10-14 1999-06-17 Schaedler Felix Dipl Ing Verbindungselement
FR2894264B1 (fr) * 2005-12-06 2009-05-15 Armatures Assemblees Mure Soci Element de raccordement entre deux parois en beton separees par un joint d'isolation et rupteur thermique en faisant application
CH711841B1 (de) 2007-11-02 2017-05-31 Debrunner Koenig Man Ag Isolierendes Verbindungselement für Betonbauteile.
DE102013111091A1 (de) 2012-10-14 2014-04-17 Betonwerk Oschatz GmbH Wandbauelement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
CH713073A2 (de) 2018-04-30
EP3315678A1 (fr) 2018-05-02

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