Wood i-beam with conditioned reinforcement panel

Details Wood i-beam with conditioned reinforcement panel Wood i-beam with conditioned reinforcement panel

E - Fixed Constructions

04

C

E04C 2/10 (2006.01) E04C 3/18 (2006.01) E04C 3/292 (2006.01)

Patent

CA 2371866

The present invention includes wood I-beams with fiber reinforcement. In a preferred embodiment, a wood I-beam includes an opposed pair of elongated wood flanges and a substantially continuous web positioned between them. In one embodiment, the web includes multiple metal tubes that extend between the wood flanges and form a zig zag pattern. The ends of the metal tubes are flattened parallel to the plane of the metal web so the ends can fit within either slots in the top surface of the bottom wood flange or slots in the bottom surface of the top wood flange. Metal pins pass through the sides of the wood flanges and the flattened ends of the metal tubes to secure the tubular metal web to the flanges. In other embodiments, the web includes oriented strand board (OSB) or plywood. Reinforcements are adhered to the wood flanges so that the metal pins also pass through the reinforcements. The reinforcements preferably include multiple fiber strands held within a resin matrix.

L'invention concerne des poutres-I en bois à renforts de fibres. En mode de réalisation préféré, la poutre-I comporte deux brides en bois opposées de forme allongée et une bande sensiblement continue placée entre elles. Selon une variante, la bande comprend plusieurs tubes métalliques qui s'étendent entre les brides et constituent une forme en zigzag. Les extrémités des tubes métalliques sont aplatis parallèlement au plan de la bande métallique de manière à pouvoir rentrer dans les fentes de la surface supérieure de la bride inférieure ou celles de la surface inférieure de la bride supérieure. Des broches métalliques passent par les côtés des brides et les extrémités aplaties des tubes métalliques pour fixer la bande métallique tubulaire aux brides. Selon d'autres variantes, la bande comporte des panneaux OSB ou du contre-plaqué. Des renforts adhèrent aux brides de sorte que les broches métalliques passent également par les renforts, lesquels comprennent de préférence plusieurs copeaux de fibre maintenus dans une matrice.

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