Wood composite panels for disaster-resistant construction

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 21/08 (2006.01) B32B 5/14 (2006.01) E04C 2/14 (2006.01)

Patent

CA 2400918

A wood sheathing panel, suitable for use in building construction, includes reinforcement strips of fiber reinforced polymer material incorporated into the panel. The reinforcement strips cover an area that is within the range of from about 5 to about 50 percent of the surface area of the panel. The reinforcement strips of fiber reinforced plastic material can be incorporated in the perimeter of the panel, or can be incorporated into the corners of the panel. The spacing of the intermittently incorporated reinforcement strips can generally coincide with a standard spacing of framing members so that when the wood sheathing panel is applied to a building frame, the reinforcement strips are generally aligned with framing members of the building. Preferably, the reinforcement strips are sufficient to provide an increased ductility over an equivalent unreinforced wood sheathing panel in an amount within the range of from about 75 percent to about 500 percent. A plurality of the wood sheathing panels of the invention can be assembled together in building construction (10) as one element of a group consisting essentially of shear walls (12, 14, 24, 26), horizontal diaphragms (20, 22) and roof diaphragms (28).

Ce panneau de revêtement en bois, conçu pour la construction de bâtiments, comprend des bandes de renfort d'un matériau polymère renforcé par des fibres, incorporées dans le panneau. Ces bandes de renfort couvrent une surface se situant entre environ 5 et 50 % de la surface totale du panneau. On incorpore ces bandes de renfort de matériau plastique renforcé par des fibres, dans le périmètre du panneau, ou on peut les incorporer dans les angles de celui-ci. L'espacement entre les bandes incorporées en alternance peut généralement coïncider avec un espacement standard d'éléments d'ossature, de façon que, lorsque l'on applique le panneau de revêtement en bois sur l'ossature du bâtiment, les bandes de renfort soient généralement alignées sur les éléments d'ossature du bâtiment. Par comparaison avec un panneau de revêtement de bois équivalent mais non renforcé, les bandes de renfort du panneau de l'invention sont suffisantes pour apporter une ductilité accrue, laquelle se situe, de préférence entre 75 et 500 %, environ. On peut assembler plusieurs panneaux de revêtement de l'invention, dans la construction d'un bâtiment (10), en tant qu'un élément d'un groupe se composant essentiellement de murs de contreventement (12, 14, 24, 26), de parois horizontales (20, 22) et de panneaux de sous-toiture (28).

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