EP2872706B1 - Bridge bearing element for fixing a concrete beam and a support for a slab including the element - Google Patents

Bridge bearing element for fixing a concrete beam and a support for a slab including the element Download PDF

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Publication number
EP2872706B1
EP2872706B1 EP13708459.6A EP13708459A EP2872706B1 EP 2872706 B1 EP2872706 B1 EP 2872706B1 EP 13708459 A EP13708459 A EP 13708459A EP 2872706 B1 EP2872706 B1 EP 2872706B1
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EP
European Patent Office
Prior art keywords
wall
shoe
termination device
concrete
floor support
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EP13708459.6A
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German (de)
French (fr)
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EP2872706A1 (en
Inventor
Alain VIDAILLAC
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Ossabeton Constructions
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Ossabeton Constructions
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Publication of EP2872706A1 publication Critical patent/EP2872706A1/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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B2001/7679—Means preventing cold bridging at the junction of an exterior wall with an interior wall or a floor

Definitions

  • the present invention relates to a device for terminating and fixing a beam and a floor support device comprising it.
  • Floor joists such as concrete joists should be fixed in the walls of buildings.
  • the termination device of the prior art FR2827620A1 describes a device according to the preamble of claim 1.
  • the present invention proposes, in particular in the case of post-tensioned beams, that is to say concrete beams containing longitudinal reinforcing rods tensioned after setting the concrete of the beam, a termination device which is fixed at the end of the beam and is intended to be received on a support formed in a wall to achieve the anchoring of the beam in the wall and to break the thermal continuity between the beam and the wall.
  • the present invention proposes a device for terminating a beam such as a concrete beam, the termination device comprising a shoe made of a thermal insulating material, the shoe constituting a thermal breaker provided with a first wall and a a second wall contiguous and inclined relative to each other, the first wall being a receiving wall of one end of the beam and the second wall being intended to form a support wall on a masonry element , the first wall having at least one hole for passing a stem coming out of the end of the beam, the termination device further comprising means for fixing the shoe on said end of the beam.
  • the fastening means is a nut screwing onto the rod.
  • the termination device may include a support wedge or spacer between the nut and the first wall.
  • the first wall comprises a profile flange adapted to at least partially surround the end of the beam.
  • the first and second walls are substantially perpendicular.
  • the shoe advantageously comprises stiffening flanks connecting the first and second walls.
  • the shoe comprises an edge raised on the side of the second wall opposite the side of the second wall joining the first wall.
  • the shoe advantageously comprises at least one reinforcing rib on the second wall, the rib connecting the stiffening flanks.
  • the raised edge and / or the stiffening flanks are in particular pierced with concrete passage holes, the stiffening flanks and / or the raised edge forming means for anchoring the shoe in the hole. concrete.
  • the shoe is made of composite materials.
  • the invention further relates to a floor support device comprising a concrete beam and a termination device according to the invention and for which the rod is a post-tensioning rod of the beam.
  • the floor support device advantageously comprises a plate received between the end of the beam and the termination device.
  • At least the end of the rod is preferably threaded, the floor support device comprising a tensioning nut of the rod applying to the plate.
  • the first wall advantageously comprises a flange covering the tensioning nut of the rod, the plate and at least a portion of the end of the beam.
  • an upper face of the free end of the second wall is recessed to be embedded in concrete and seal the beam.
  • the device for terminating a beam as represented in figure 1 comprises a shoe 2 provided with a first wall 3 and a second wall 4 joined and inclined relative to each other.
  • the first and second walls 3, 4 are substantially perpendicular, that is to say an angle close to 90 ° for example between 85 ° and 95 ° and possibly slightly greater than 90 ° to achieve a localized support , the shoe being intended, as will be seen later, to lean on a masonry element on which it is placed.
  • the first wall 3 is a receiving wall of one end of the beam, the first wall comprising at least one hole 5 for the passage of a rod 6 coming out of the end of the beam, as shown in FIG. figure 2 .
  • the shoe 2 comprises stiffening flanks 10a, 10b connecting the first and second walls 3, 4, these stiffening flanks reinforcing the shoe.
  • the shoe further comprises a raised edge 11 on the side of the second wall 4 opposite the side of the second wall joining the first wall 3, this raised edge being pierced with holes whose utility is to allow the passage of liquid concrete poured on the hoof to better imprison the hoof 2.
  • the shoe shown comprises at least one reinforcing rib 12 on the second wall.
  • the reinforcing rib connects the stiffening flanks and forms with the raised edge 11 and the flanks 10a, 10b a hollow profile improving the maintenance of the shoe in the concrete which will be poured to seal the shoe.
  • the figure 2 represents a floor support device comprising the shoe of the figure 1 and a beam 1.
  • the first wall 3 receiving one end of the beam 1 is traversed by the rod 6 coming out of the end of the beam at the hole 5.
  • the rod 6 is a threaded rod and the termination device further comprises a means 7 for fixing the shoe on said end of the beam, the fixing means here being a nut which is screwed onto a threaded portion of the rod.
  • the device comprises a shim 8 or spacer between the nut and the first wall.
  • the rod 6 is a post-tensioning rod of the beam.
  • a plate 14 is received between the end 1 a of the beam and the terminal device 2.
  • the end of the rod 6 is threaded, a nut 15 of tensioning of the rod applying on the plate 14.
  • This configuration is preferably reproduced at both ends of the beam.
  • the post-tension is known elsewhere and consists in tensioning a rod in a sheath previously embedded in the concrete of the beam.
  • the first wall comprises a flange 9 of profile adapted to at least partially surround the end 1a of the beam 1.
  • the flange 9 of the first wall 3 covers the nut 15 for tensioning the rod 6, the plate 14 and at least a portion of the end 1a of the beam 1.
  • the profile of the flange 9 is adapted to at least partially surround the end 1a of the beam 1.
  • the beam has a rectangular profile with an extra thickness 1b which protrudes from the flange 9, the latter however surrounding the upper parts of the flange. end 1a of the beam on both sides of the extra thickness, the side flanks and the lower face of the end of the beam.
  • the figure 3 represents the shoe on a masonry such as a wall, the second wall 4 of the shoe being intended to constitute a bearing wall on the masonry element 100.
  • the raised edge and / or the stiffening flanks are pierced with holes 13 of concrete passage, the stiffening flanks 10a, 10b and the raised edge 11 pierced forming means for anchoring the shoe in the concrete.
  • the shoe 2 is made of a thermal insulating material, the shoe constituting a thermal breaker.
  • the shoe may in particular be made of fiberglass and resin composite materials or other components combining good mechanical strength and good thermal insulation.
  • the figure 4 represents the floor support device in place.
  • the free end of the shoe 2 is supported on the base 101 of the wall 100 and embedded in the strip 102.
  • the cantilevered shoe forms a separator between the beam 1 and the wall 100 to provide a thermal insulating material 103 between on the one hand the chaining 102 and on the other hand prefabricated plates 104 resting on the beams 1 and the slab 105 of the floor.
  • connecting steel 106 and the chaining 107 are put in place to form the frame supporting the floor.
  • the upper wall 110 is mounted.
  • the shoe 2 is positioned in the continuity of insulating materials 108, 103, 109 doubling the wall which creates a thermal break between the wall and the floor while in the prior art, the beam directly on the wall creates a bridge between the outside and the inside of the building.
  • the figure 5 represents the insulating element 103 of the figure 4 , this insulating element is a particular insulating element shaped to cover the shoe 2.
  • the insulating element is made in three parts an upper portion 103a, an intermediate portion 103b and a lower portion 103c. the lower part is arranged under the shoe between the wall 100 and the ceiling part under the beam 1.
  • the intermediate portion is positioned on the shoe and comprises for this purpose cutouts 112, receiving one of the stiffening flanks 10a, 10b and a lateral half of the bottom wall 4 of the shoe, and 111 receiving the nut 7 and the spacer 8.
  • the intermediate portion 103b and the upper part 103a of the insulating element 103 comprise half-moon blanks 113.
  • the shoe 2 is placed so that its intermediate portion between the support portion on the masonry and the receiving portion of the beam is a spacing device between the wall and the beam.
  • stiffening flanks of the shoe may be of other than triangular shape.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Road Paving Structures (AREA)

Description

La présente invention concerne un dispositif de terminaison et de fixation d'une poutrelle et un dispositif support de plancher le comprenant.The present invention relates to a device for terminating and fixing a beam and a floor support device comprising it.

Les poutrelles de plancher telles que les poutrelles béton doivent être fixées dans les murs des bâtiments.Floor joists such as concrete joists should be fixed in the walls of buildings.

Il est connu de poser les extrémités de telles poutrelles dans des logements aménagés dans les murs puis de bétonner les logements pour fixer les poutrelles.It is known to place the ends of such beams in housing arranged in the walls and then concreting the housing to fix the beams.

Ceci crée un pont thermique entre le mur et les poutrelles ce qui nuit à l'isolement du bâtiment.This creates a thermal bridge between the wall and the beams which affects the isolation of the building.

Le dispositif de terminaison de l'art antérieur FR2827620A1 décrit un dispositif selon le préambule de la revendication 1.The termination device of the prior art FR2827620A1 describes a device according to the preamble of claim 1.

La présente invention propose, notamment dans le cas de poutrelles post-tendues c'est à dire des poutrelles béton renfermant des tiges d'armature longitudinales tendues après prise du béton de la poutrelle, un dispositif de terminaison qui se fixe en bout de poutrelle et est destiné à être reçu sur un appui ménagé dans un mur pour réaliser l'ancrage de la poutrelle dans ce mur et à rompre la continuité thermique entre la poutrelle et le mur.The present invention proposes, in particular in the case of post-tensioned beams, that is to say concrete beams containing longitudinal reinforcing rods tensioned after setting the concrete of the beam, a termination device which is fixed at the end of the beam and is intended to be received on a support formed in a wall to achieve the anchoring of the beam in the wall and to break the thermal continuity between the beam and the wall.

Pour ce faire la présente invention propose un dispositif de terminaison d'une poutrelle telle qu'une poutrelle béton, le dispositif de terminaison comprenant un sabot réalisé dans un matériau isolant thermique, le sabot constituant un rupteur thermique pourvu d'une première paroi et d'une seconde paroi jointives et inclinées l'une par rapport à l'autre, la première paroi étant une paroi de réception d'une extrémité de la poutrelle et la seconde paroi étant destinée à constituer une paroi d'appui sur un élément de maçonnerie, la première paroi comportant au moins un trou de passage d'une tige sortant du bout de la poutrelle, le dispositif de terminaison comportant en outre un moyen de fixation du sabot sur ladite extrémité de la poutrelle.To this end, the present invention proposes a device for terminating a beam such as a concrete beam, the termination device comprising a shoe made of a thermal insulating material, the shoe constituting a thermal breaker provided with a first wall and a a second wall contiguous and inclined relative to each other, the first wall being a receiving wall of one end of the beam and the second wall being intended to form a support wall on a masonry element , the first wall having at least one hole for passing a stem coming out of the end of the beam, the termination device further comprising means for fixing the shoe on said end of the beam.

Avantageusement le moyen de fixation est un écrou se vissant sur la tige.Advantageously, the fastening means is a nut screwing onto the rod.

Le dispositif de terminaison peut notamment comporter une cale d'appui ou entretoise entre l'écrou et la première paroi.The termination device may include a support wedge or spacer between the nut and the first wall.

Selon un mode de réalisation avantageux, la première paroi comporte une collerette de profil adapté à entourer au moins partiellement l'extrémité de la poutrelle.According to an advantageous embodiment, the first wall comprises a profile flange adapted to at least partially surround the end of the beam.

Selon un mode de réalisation préférentiel, les première et seconde parois sont sensiblement perpendiculaires.According to a preferred embodiment, the first and second walls are substantially perpendicular.

Le sabot comprend avantageusement des flancs raidisseurs reliant les première et seconde parois.The shoe advantageously comprises stiffening flanks connecting the first and second walls.

Selon un mode de réalisation particulier, le sabot comprend un bord relevé sur le côté de la seconde paroi opposé au côté de la seconde paroi rejoignant la première paroi.According to a particular embodiment, the shoe comprises an edge raised on the side of the second wall opposite the side of the second wall joining the first wall.

Le sabot comprend avantageusement au moins une nervure de renfort sur la seconde paroi, la nervure reliant les flancs raidisseurs.The shoe advantageously comprises at least one reinforcing rib on the second wall, the rib connecting the stiffening flanks.

Afin de réaliser un moyen d'ancrage dans du béton, le bord relevé et/ou les flancs raidisseurs sont notamment percés de trous de passage de béton, les flancs raidisseurs et/ou le bord relevé formant des moyens d'ancrage du sabot dans le béton.In order to achieve a means of anchoring in concrete, the raised edge and / or the stiffening flanks are in particular pierced with concrete passage holes, the stiffening flanks and / or the raised edge forming means for anchoring the shoe in the hole. concrete.

Avantageusement, le sabot est réalisé en matériaux composites.Advantageously, the shoe is made of composite materials.

L'invention concerne en outre un dispositif support de plancher comportant une poutrelle béton et un dispositif de terminaison selon l'invention et pour lequel la tige est une tige de post-tension de la poutrelle.The invention further relates to a floor support device comprising a concrete beam and a termination device according to the invention and for which the rod is a post-tensioning rod of the beam.

Le dispositif support de plancher comprend avantageusement une platine reçue entre l'extrémité de la poutrelle et le dispositif de terminaison.The floor support device advantageously comprises a plate received between the end of the beam and the termination device.

Au moins l'extrémité de la tige est préférablement filetée, le dispositif support de plancher comprenant un écrou de mise en tension de la tige s'appliquant sur la platine.At least the end of the rod is preferably threaded, the floor support device comprising a tensioning nut of the rod applying to the plate.

La première paroi comporte avantageusement une collerette recouvrant l'écrou de mise en tension de la tige, la platine et au moins une partie de l'extrémité de la poutrelle.The first wall advantageously comprises a flange covering the tensioning nut of the rod, the plate and at least a portion of the end of the beam.

Plus particulièrement, une face supérieure de l'extrémité libre de la seconde paroi est conformée en creux pour être noyée dans du béton et sceller la poutrelle.More particularly, an upper face of the free end of the second wall is recessed to be embedded in concrete and seal the beam.

D'autres caractéristiques et avantages de l'invention seront apparents à la lecture de la description qui suit d'un exemple de réalisation non limitatif de l'invention en référence aux dessins qui représentent:

  • en figure 1: une vue en perspective d'un dispositif de terminaison d'une poutrelle selon l'invention,
  • en figure 2: une vue du dessus d'un assemblage d'un dispositif de la figure 1 et d'une poutrelle;
  • en figure 3: une vue en perspective du positionnement d'un dispositif support de plancher selon l'invention comportant le dispositif de la figure 1 ;
  • en figure 4: une vue de côté d'un assemblage de plancher au moyen du dispositif de la figure 1 ;
  • en figure 5: un élément isolant adapté à recouvrir partie du dispositif de la figure 1.
Other features and advantages of the invention will become apparent on reading the following description of a nonlimiting exemplary embodiment of the invention with reference to the drawings which represent:
  • in figure 1 : a perspective view of a device for terminating a beam according to the invention,
  • in figure 2 : a view from above of an assembly of a device of the figure 1 and a beam;
  • in figure 3 : a perspective view of the positioning of a floor support device according to the invention comprising the device of the figure 1 ;
  • in figure 4 : a side view of a floor assembly by means of the device of the figure 1 ;
  • in figure 5 : an insulating element adapted to cover part of the device of the figure 1 .

Le dispositif de terminaison d'une poutrelle telle que représenté en figure 1 comprend un sabot 2 pourvu d'une première paroi 3 et d'une seconde paroi 4 jointives et inclinées l'une par rapport à l'autre.The device for terminating a beam as represented in figure 1 comprises a shoe 2 provided with a first wall 3 and a second wall 4 joined and inclined relative to each other.

Selon l'exemple, les première et seconde parois 3, 4 sont sensiblement perpendiculaires, c'est à dire d'un angle proche de 90° par exemple entre 85° et 95° et éventuellement légèrement supérieur à 90° pour réaliser un appui localisé, le sabot étant destiné, comme il sera vu plus loin, à s'appuyer sur un élément de maçonnerie sur lequel il est posé.According to the example, the first and second walls 3, 4 are substantially perpendicular, that is to say an angle close to 90 ° for example between 85 ° and 95 ° and possibly slightly greater than 90 ° to achieve a localized support , the shoe being intended, as will be seen later, to lean on a masonry element on which it is placed.

La première paroi 3 est une paroi de réception d'une extrémité de la poutrelle, la première paroi comportant au moins un trou 5 de passage d'une tige 6 sortant du bout de la poutrelle, comme représenté en figure 2 . The first wall 3 is a receiving wall of one end of the beam, the first wall comprising at least one hole 5 for the passage of a rod 6 coming out of the end of the beam, as shown in FIG. figure 2 .

De retour à la figure 1, le sabot 2 comprend des flancs raidisseurs 10a, 10b reliant les première et seconde parois 3, 4, ces flancs raidisseurs renforçant le sabot.Back to the figure 1 , the shoe 2 comprises stiffening flanks 10a, 10b connecting the first and second walls 3, 4, these stiffening flanks reinforcing the shoe.

Le sabot comprend en outre un bord relevé 11 sur le côté de la seconde paroi 4 opposé au côté de la seconde paroi rejoignant la première paroi 3, ce bord relevé étant percé de trous dont l'utilité est de permettre le passage de béton liquide coulé sur le sabot pour mieux emprisonner le sabot 2.The shoe further comprises a raised edge 11 on the side of the second wall 4 opposite the side of the second wall joining the first wall 3, this raised edge being pierced with holes whose utility is to allow the passage of liquid concrete poured on the hoof to better imprison the hoof 2.

Le sabot représenté comprend au moins une nervure de renfort 12 sur la seconde paroi.The shoe shown comprises at least one reinforcing rib 12 on the second wall.

La nervure de renfort relie les flancs raidisseurs et forme avec le bord relevé 11 et les flancs 10a, 10b un profil creux améliorant le maintien du sabot dans le béton qui va être coulé pour sceller le sabot.The reinforcing rib connects the stiffening flanks and forms with the raised edge 11 and the flanks 10a, 10b a hollow profile improving the maintenance of the shoe in the concrete which will be poured to seal the shoe.

La figure 2, représente un dispositif support de plancher comprenant le sabot de la figure 1 et une poutrelle 1.The figure 2 , represents a floor support device comprising the shoe of the figure 1 and a beam 1.

La première paroi 3 de réception d'une extrémité de la poutrelle 1 est traversée par la tige 6 sortant du bout de la poutrelle au niveau du trou 5.The first wall 3 receiving one end of the beam 1 is traversed by the rod 6 coming out of the end of the beam at the hole 5.

La tige 6 est une tige filetée et le dispositif de terminaison comporte en outre un moyen 7 de fixation du sabot sur ladite extrémité de la poutrelle, le moyen de fixation étant ici un écrou qui se visse sur une partie filetée de la tige.The rod 6 is a threaded rod and the termination device further comprises a means 7 for fixing the shoe on said end of the beam, the fixing means here being a nut which is screwed onto a threaded portion of the rod.

Pour répartir les efforts de serrage de l'écrou 7, le dispositif comporte une cale d'appui 8 ou entretoise entre l'écrou et la première paroi.To distribute the tightening forces of the nut 7, the device comprises a shim 8 or spacer between the nut and the first wall.

Selon l'exemple, la tige 6 est une tige de post-tension de la poutrelle.According to the example, the rod 6 is a post-tensioning rod of the beam.

Pour réaliser la post-tension de la poutrelle, une platine 14 est reçue entre l'extrémité 1 a de la poutrelle et le dispositif de terminaison 2.To realize the post-tension of the beam, a plate 14 is received between the end 1 a of the beam and the terminal device 2.

L'extrémité la tige 6 est filetée, un écrou 15 de mise en tension de la tige s'appliquant sur la platine 14.The end of the rod 6 is threaded, a nut 15 of tensioning of the rod applying on the plate 14.

Cette configuration est préférablement reproduite aux deux extrémités de la poutrelle.This configuration is preferably reproduced at both ends of the beam.

La post-tension est connue par ailleurs et consiste à tendre une tige dans une gaine préalablement noyée dans le béton de la poutrelle.The post-tension is known elsewhere and consists in tensioning a rod in a sheath previously embedded in the concrete of the beam.

La première paroi comporte une collerette 9 de profil adapté à entourer au moins partiellement l'extrémité 1a de la poutrelle 1.The first wall comprises a flange 9 of profile adapted to at least partially surround the end 1a of the beam 1.

La collerette 9 de la première paroi 3 recouvre l'écrou 15 de mise en tension de la tige 6, la platine 14 et au moins une partie de l'extrémité 1 a de la poutrelle 1.The flange 9 of the first wall 3 covers the nut 15 for tensioning the rod 6, the plate 14 and at least a portion of the end 1a of the beam 1.

Le profil de la collerette 9 est adapté à entourer au moins partiellement l'extrémité 1a de la poutrelle 1. Ici la poutrelle comporte un profil rectangulaire avec une surépaisseur 1 b qui dépasse de la collerette 9, cette dernière entourant toutefois les parties supérieures de l'extrémité 1a de la poutrelle de part et d'autre de la surépaisseur, les flancs latéraux et la face inférieure de l'extrémité de la poutrelle.The profile of the flange 9 is adapted to at least partially surround the end 1a of the beam 1. Here the beam has a rectangular profile with an extra thickness 1b which protrudes from the flange 9, the latter however surrounding the upper parts of the flange. end 1a of the beam on both sides of the extra thickness, the side flanks and the lower face of the end of the beam.

La figure 3 représente le sabot sur une maçonnerie telle qu'un mur, la seconde paroi 4 du sabot étant destinée à constituer une paroi d'appui sur l'élément de maçonnerie 100.The figure 3 represents the shoe on a masonry such as a wall, the second wall 4 of the shoe being intended to constitute a bearing wall on the masonry element 100.

Seul le bout libre de la seconde paroi à partir de la nervure 12 repose sur le mur et la face supérieure de l'extrémité libre de la seconde paroi entre la nervure 12 et le bord relevé 11 est conformée en creux pour être noyée dans du béton et sceller la poutrelle.Only the free end of the second wall from the rib 12 rests on the wall and the upper face of the free end of the second wall between the rib 12 and the raised edge 11 is shaped hollow to be embedded in concrete and seal the beam.

De même, le bord relevé et/ou les flancs raidisseurs sont percés de trous 13 de passage de béton, les flancs raidisseurs 10a, 10b et le bord relevé 11 percés formant des moyens d'ancrage du sabot dans le béton.Similarly, the raised edge and / or the stiffening flanks are pierced with holes 13 of concrete passage, the stiffening flanks 10a, 10b and the raised edge 11 pierced forming means for anchoring the shoe in the concrete.

Le sabot 2 est réalisé dans un matériau isolant thermique, le sabot constituant un rupteur thermique.The shoe 2 is made of a thermal insulating material, the shoe constituting a thermal breaker.

Le sabot peut notamment être réalisé en matériaux composites en fibre de verre et résine ou autres composants combinant une bonne résistance mécanique et une bonne isolation thermique.The shoe may in particular be made of fiberglass and resin composite materials or other components combining good mechanical strength and good thermal insulation.

La figure 4 représente le dispositif support de plancher en place.The figure 4 represents the floor support device in place.

L'extrémité libre du sabot 2 est en appui sur l'arase 101 du mur 100 et noyée dans le bandeau 102.The free end of the shoe 2 is supported on the base 101 of the wall 100 and embedded in the strip 102.

Le sabot en porte à faux forme un séparateur entre la poutrelle 1 et le mur 100 pour disposer un matériau isolant thermique 103 entre d'une part le chainage 102 et d'autre part des plaques préfabriquées 104 reposant sur les poutrelles 1 et la dalle 105 du plancher.The cantilevered shoe forms a separator between the beam 1 and the wall 100 to provide a thermal insulating material 103 between on the one hand the chaining 102 and on the other hand prefabricated plates 104 resting on the beams 1 and the slab 105 of the floor.

Avant de couler le bandeau 102 et la dalle 105 du plancher, des aciers de liaison 106 et le chainage 107 sont mis en place pour constituer l'armature supportant le plancher.Before pouring the strip 102 and the slab 105 of the floor, connecting steel 106 and the chaining 107 are put in place to form the frame supporting the floor.

Une fois le bandeau sec, le mur supérieur 110 est monté.Once the banner is dry, the upper wall 110 is mounted.

Le sabot 2 est positionné dans la continuité de matériaux isolants 108, 103, 109 doublant le mur ce qui crée une rupture de pont thermique entre le mur et le plancher alors que dans la technique antérieure, la poutrelle directement posée sur le mur crée un pont thermique entre l'extérieur et l'intérieur du bâtiment.The shoe 2 is positioned in the continuity of insulating materials 108, 103, 109 doubling the wall which creates a thermal break between the wall and the floor while in the prior art, the beam directly on the wall creates a bridge between the outside and the inside of the building.

La figure 5 représente l'élément isolant 103 de la figure 4, cet élément isolant est un élément isolant particulier conformé pour recouvrir le sabot 2.The figure 5 represents the insulating element 103 of the figure 4 , this insulating element is a particular insulating element shaped to cover the shoe 2.

L'élément isolant est réalisé en trois parties une partie supérieure 103a, une partie intermédiaire 103b et une partie inférieure 103c.
la partie inférieure est disposée sous le sabot entre le mur 100 et la partie de plafond sous la poutre 1.The insulating element is made in three parts an upper portion 103a, an intermediate portion 103b and a lower portion 103c.
the lower part is arranged under the shoe between the wall 100 and the ceiling part under the beam 1.

La partie intermédiaire est positionnée sur le sabot et comporte pour ce faire des découpes 112, recevant un des flancs raidisseurs 10a, 10b et une moitié latérale de la paroi inférieure 4 du sabot, et 111 recevant l'écrou 7 et l'entretoise 8.The intermediate portion is positioned on the shoe and comprises for this purpose cutouts 112, receiving one of the stiffening flanks 10a, 10b and a lateral half of the bottom wall 4 of the shoe, and 111 receiving the nut 7 and the spacer 8.

Pour laisser passer les aciers 106 d'armature reliant le mur 102 et la dalle 105 du plancher, la partie intermédiaire 103b et la partie supérieure 103a de l'élément isolant 103 comporte des découpes en demi lune 113.In order to pass the reinforcement steels 106 connecting the wall 102 and the slab 105 of the floor, the intermediate portion 103b and the upper part 103a of the insulating element 103 comprise half-moon blanks 113.

Pour isoler totalement le sabot, deux éléments 103 symétriques se rejoignent sur un sabot 2.To completely isolate the shoe, two symmetrical elements 103 meet on a shoe 2.

Comme vu précédemment, le sabot 2 est posé de sorte que sa la partie intermédiaire entre la partie d'appui sur la maçonnerie et la partie de réception de la poutrelle constitue un dispositif d'espacement entre le mur et la poutrelle.As seen above, the shoe 2 is placed so that its intermediate portion between the support portion on the masonry and the receiving portion of the beam is a spacing device between the wall and the beam.

Ceci permet de réaliser une continuité d'isolation thermique le long du mur et un découplage thermique entre la poutrelle et le mur.This allows a continuity of thermal insulation along the wall and a thermal decoupling between the beam and the wall.

L'invention n'est pas limitée à l'exemple décrit et notamment les flancs raidisseurs du sabot peuvent être de forme autre que triangulaire.The invention is not limited to the example described and in particular the stiffening flanks of the shoe may be of other than triangular shape.

Claims (15)

  1. Beam termination device for a beam (1) such as a concrete beam, the device comprises a shoe (2) made from a thermally insulating material, the shoe constituting a thermal breaker provided with a first wall (3) and with a second wall (4) which are contiguous and inclined relative to one another, the first wall (3) being a wall that accepts one end of the beam and the second wall (4) being intended to constitute a wall that bears against an element of masonry (100), the first wall comprising at least one hole (5) for the passage of a bar (6) protruding from the end of the beam, characterized in that the termination device further comprises a means (7) of attaching the shoe to the said end of the beam.
  2. Beam termination device according to Claim 1, for which the attachment means (7) is a nut that screws onto the bar.
  3. Beam termination device according to Claim 2, characterized in that it comprises a bearing block (8) between the nut and the first wall.
  4. Beam termination device according to any one of the preceding claims, for which the first wall comprises a collar (9) of profile suited to at least partially surrounding the end (1a) of the beam (1).
  5. Beam termination device according to any one of the preceding claims, for which the first and second walls (3, 4) are substantially perpendicular.
  6. Beam termination device according to any one of the preceding claims, for which the shoe (2) comprises stiffening flanges (10a, 10b) connecting the first and second walls (3, 4).
  7. Beam termination device according to any one of the preceding claims, for which the shoe comprises a turned-up edge (11) on the side of the second wall (4) which is the opposite side to the side of the second wall that connects to the first wall (3).
  8. Beam termination device according to Claim 6, for which the shoe comprises at least one reinforcing rib (12) on the second wall, the rib connecting the stiffening flanges.
  9. Beam termination device according to Claims 6 and 7, characterized in that the turned-up edge and/or the stiffening flanges are pierced with holes (13) for the passage of concrete, the stiffening flanges (10a, 10b) and/or the turned-up edge (11) forming means of anchoring the shoe in the concrete.
  10. Beam termination device according to any one of the preceding claims, for which the shoe is made of composite materials.
  11. Floor support device comprising a concrete beam (1), a termination device according to Claim 1, and for which the bar (6) is a tendon for post-tensioning the beam.
  12. Floor support device according to Claim 11, characterized in that it comprises a plate (14) housed between the end (1a) of the beam and the termination device (2).
  13. Floor support device according to Claim 12, for which at least the end of the bar (6) is threaded, the floor support device comprising a nut (15) for tensioning the bar pressing against the plate (14).
  14. Floor support device according to Claim 13, for which the first wall (3) comprises a collar (9) covering the nut (15) for tensioning the bar (6), the plate (14), and at least part of the end (1a) of the beam (1).
  15. Floor support device according to any one of Claims 11 to 14, for which an upper face of the free end of the second wall is configured with a recess so as to be embedded in concrete and seal the beam.
EP13708459.6A 2012-03-12 2013-03-11 Bridge bearing element for fixing a concrete beam and a support for a slab including the element Active EP2872706B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1252211A FR2987852B1 (en) 2012-03-12 2012-03-12 DEVICE FOR TERMINATING AND FIXING A BEAM AND FLAT SUPPORT DEVICE COMPRISING SAME
PCT/EP2013/054886 WO2013135633A1 (en) 2012-03-12 2013-03-11 End device for attaching a small beam, and floor supporting device including same

Publications (2)

Publication Number Publication Date
EP2872706A1 EP2872706A1 (en) 2015-05-20
EP2872706B1 true EP2872706B1 (en) 2016-09-21

Family

ID=47844353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13708459.6A Active EP2872706B1 (en) 2012-03-12 2013-03-11 Bridge bearing element for fixing a concrete beam and a support for a slab including the element

Country Status (5)

Country Link
EP (1) EP2872706B1 (en)
ES (1) ES2608596T3 (en)
FR (1) FR2987852B1 (en)
PT (1) PT2872706T (en)
WO (1) WO2013135633A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1202706A (en) * 1967-05-09 1970-08-19 Edwin Jacques Cohen Arched building members
FR2827620B1 (en) * 2001-07-23 2004-07-02 Knauf Snc CONNECTION DEVICE PROVIDING, THERMALLY ISOLATED, THE CONNECTION BETWEEN AT LEAST TWO WALLS OF A CONSTRUCTION, AND METHOD FOR PRODUCING SUCH A DEVICE

Also Published As

Publication number Publication date
WO2013135633A1 (en) 2013-09-19
FR2987852A1 (en) 2013-09-13
ES2608596T3 (en) 2017-04-12
FR2987852B1 (en) 2014-07-04
EP2872706A1 (en) 2015-05-20
PT2872706T (en) 2016-12-22

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