Integrally molded reinforced grating

Details Integrally molded reinforced grating Integrally molded reinforced grating

E - Fixed Constructions

04

C

E04C 2/42 (2006.01)

Patent

CA 2310736

An integral reinforced resin grating structure (10) having a plurality of load bars (20) having a height dimension and a neutral axis and a plurality of cross bars (40) integrally connected to the load bars (20). The cross bars (40) may have a height less than the load bar height. The upper surface of the cross bars (40) may be flush with the upper surface of the load bars (20). The cower surface of the cross bars (40) may be located near or above the neutral axis of the load bars (20). The cross bars (40) and load bars (20) are reinforced with rovings (30, 46) placed along their respective longitudinal axis. The load bars (20) have longitudinal ravings placed below the lower surface of the cross bars (40). Above the lower surface of the cross bars (40), the load bar rovings (30) are interwoven with the cross bar rovings (46).

Cette invention concerne une structure de grille (10) en résine renforcée monobloc comprenant plusieurs barres de charge (20) présentant une dimension en hauteur et un axe neutre ainsi que plusieurs barres transversales (40) reliées par construction aux barres de charge (20) . Les barres transversales (40) peuvent être moins hautes que les barres de charge. La surface supérieure des barres transversales (40) peut affleurer la surface supérieure des barres de charge. La surface inférieure des barres transversales (40) peut se situer à proximité ou au-dessus de l'axe neutre des barres de charge. Les barres transversales (40) et les barres de charge (20) sont renforcées par des stratifils (30, 46) placés le long de leur axe longitudinal respectif. Les barres de charge comprennent des stratifils longitudinaux placés sous la surface inférieure des barres transversales. Au-dessus de la surface inférieure des barres transversales (40), les stratifils (30) des barres de charge sont entretissés avec les stratifils (46) des barres transversales.

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