Expansion joint system of concrete slab arrangement

Details Expansion joint system of concrete slab arrangement Expansion joint system of concrete slab arrangement

E - Fixed Constructions

01

C

E01C 11/14 (2006.01)

Patent

CA 2712305

Expansion joint system of a concrete slab arrangement, comprising an expan- sion joint reinforcement to be arranged between a first and a second concrete slab (1, 2), the expansion joint reinforcement comprising at least two local dowels (3)transferring loads perpendicular to the slab plane. The dowels com- prise a dowel plate (4) and a casing part (5). The dowel plate (4) and the cas- ing part (5) are attached to the concrete slabs on different sides of the joint. The casing part (5) prevents the dowel plate from adhering to the concrete slab and allows the dowel plate (4) to move inside the casing part and thus allows the movements of the slabs (1, 2) in the horizontal direction. The dowels (3) are installed alternately relative to the joint sothat the casing parts (5) of the adjacent dowels (3) are always installed on different sides of the joint.

L'invention concerne un système de joint d'expansion pour dispositif de dalles de béton, qui comprend un renfort de joint d'expansion destiné à être placé entre une première et une deuxième dalle de béton (1, 2), ledit renfort comprenant au moins deux goujons (3) locaux qui transfèrent les charges perpendiculaires au plan des dalles. Les goujons comprennent une plaque (4) de goujon et une partie d'enveloppe (5). La plaque (4) de goujon et la partie d'enveloppe (5) sont fixées aux dalles de béton sur des faces différentes du joint. La partie d'enveloppe (5) empêche la plaque de goujon d'adhérer à la dalle de béton et permet à la plaque (4) de goujon de se déplacer à l'intérieur de la partie d'enveloppe, ce qui permet un mouvement horizontal des dalles (1, 2). Les goujons (3) sont installés en alternance par rapport au joint, de sorte que les parties d'enveloppe (5) de goujons (3) adjacents sont toujours installées sur des faces différentes du joint.

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