Pre-cast concrete decking for load supporting structures

Details Pre-cast concrete decking for load supporting structures Pre-cast concrete decking for load supporting structures

E - Fixed Constructions

01

D

E01D 19/12 (2006.01) E01C 5/08 (2006.01)

Patent

CA 2280974

Pre-cast concrete panels (1) for use as deck components in a load supporting structure are constructed of non-metallic fibre reinforced concrete. Integral, transverse tension members (2) are located externally adjacent the lower support surfaces (lb) of the panels and connected to the panels at their outer ends (4). The tension members (2) carry compression forces applied to the panels by supporting an arching action, thereby avoiding the need to provide steel reinforcement across the entire interior of the concrete. This, in turn, reduces the risks of panel failure due to the corrosion of reinforcement steel located within the body of the concrete panel.

L'invention concerne des panneaux (1) de béton préfabriqué intervenant comme éléments de plancher d'une structure porteuse, lesquels panneaux sont en béton armé à fibres non métalliques. Des tendeurs (2) transversaux, et solidaires sont disposés contres les faces (1b) de support inférieures externes des panneaux et ils sont reliés aux panneaux par leur extrémité extérieure (4). Les tendeurs (2) supportent les forces de compression qui s'exercent sur les panneaux du fait qu'ils peuvent subir un voûtement, ce qui supprime le besoin d'incorporer des armatures en acier dans le béton. Cet agencement réduit les risques de défaillance des panneaux consécutifs à la corrosion des armatures en acier dont le corps du panneau en béton est pourvu.

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