Connection system for prefabricated thermal break panels

E - Fixed Constructions – 04 – C

Patent

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Details

E04C 2/04 (2006.01)

Patent

CA 2742896

The present invention describes a connection system for prefabricated panels of the type comprising at least two outer concrete layers (12, 14), provided with metallic reinforcement (18), and an intermediate layer (16) made of heat- insulating material, arranged between the two outer concrete layers (12, 14). The system comprises a plurality of plate-like connection elements (10) having such a length (L) as to allow them to extend, in an orthogonal direction with respect to the panel's development plan, through the heat -insulating layer (16) and to partially penetrate inside the outer concrete layers (12, 14). Each connection element (10) is provided, at two opposed terminal ends, with respective hooking means (22, 24) to the outer concrete layers (12, 14). At least one (24) of the hooking means provided at the opposed terminal ends of each connection element (10) is made up of two distinct C- shaped edges (24A, 24B), side by side and parallel to each other. The C-shaped edges (24A, 24B) are capable of hooking onto respective bars (20) provided on the metallic reinforcement (18) of at least one (12) of the panel's outer concrete layers.

La présente invention porte sur un système de liaison pour panneaux préfabriqués du type comportant au moins deux couches de béton externes (12, 14) pourvues dun renfort métallique (18), et une couche intermédiaire (16) faite dun matériau d'isolation thermique, disposée entre les deux couches de béton externes (12, 14). Le système comporte une pluralité d'éléments de liaison en forme de plaque (10) dont la  longueur (L) permet à ceux-ci de s'étendre, dans une direction orthogonale par rapport au plan de développement du panneau, à travers la couche d'isolation thermique (16) et de pénétrer partiellement à l'intérieur des couches de béton externes (12, 14). Chaque élément de liaison (10) est pourvu, à deux extrémités terminales opposées, de moyens respectifs d'accrochage (22, 24) aux couches de béton externes (12, 14). Au moins l'un (24) des éléments d'accrochage disposés aux extrémités terminales opposées de chaque élément de liaison (10) est constitué par deux bords en forme de C distincts (24A, 24B), côte à côte et parallèles entre eux. Les bords en forme de C (24A, 24b) peuvent  s'accrocher sur des barres respectives (20) disposées sur le renfort métallique (18) d'au moins l'une (12) des couches de béton externes du panneau.

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