Resilient construction member

E - Fixed Constructions – 04 – C

Patent

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E04C 3/00 (2006.01) E04B 1/82 (2006.01) E04B 2/74 (2006.01) E04B 9/06 (2006.01) E04C 3/16 (2006.01) E04C 3/18 (2006.01) E04C 3/29 (2006.01) E04C 3/292 (2006.01)

Patent

CA 2352395

A construction beam (100, 100a-c, 200, 300) includes a pair of lateral members (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) and a resilient web (106, 106', 106'', 106''', 206, 306a-b) extending therebetween, so as to present a cross- sectional profile corresponding to commonly used construction beam members (for example, 2" × 4" or 2" × 6''). The resilience of the web (106, 106', 106'', 106''', 206, 306a- b) helps to attenuate sound transmission through the beam (100, 100a-c, 200, 300) from one lateral member (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) to the other. Ends of the resilient web (106, 106', 106'', 106''', 206, 306a-b) are fixed to respective ones of the lateral members (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) on opposite sides of an imaginary reference plain (108, 208) passing through both of the lateral members (102, 102a-c, 202, 302, 104, 104a-c, 204, 304). In particular, in a wall frame, the lateral members (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) are mounted at opposite ends thereof to end plates consisting of other construction beams (100, 100a-c, 200, 300) according to the present invention (that is, a pair of lateral members (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) with a resilient web (106, 106', 106'', 106''', 206, 306a-b) extending therebetween). When used in a frame of a building structure, the lateral members (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) of the end plates on the same side are attached to the surrounding structure, leaving the other side of the frame resiliently free floating. A wall is mounted on the free floating side of the wall frame so as to provide a resiliently free floating wall that acts as a sound attenuating "diaphragmatic" absorber.

La présente invention concerne une poutre de construction (100, 100a-c, 200, 300) incluant une paire d'éléments latéraux (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) réunis par un bandeau résilient (106, 106', 106'', 106''', 206, 306a-b) de façon à présenter un profil en coupe correspondant aux poutres généralement utilisées en construction (par exemple, 2" x 4" ou 2" x 6"). La résilience du bandeau (106, 106', 106'', 106''', 206, 306a-b) favorise l'atténuation de la transmission du son par la poutre (100, 100a-c, 200, 300) entre les deux éléments latéraux (102, 102a-c, 202, 302, 104, 104a-c, 204, 304). En l'occurrence, dans une structure murale, les éléments latéraux (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) sont montés aux extrémités opposées de ces structures à des platines d'extrémité constituées d'autres poutres de construction (100, 100a-c, 200, 300) de la présente invention. On a ainsi une paire d'éléments latéraux (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) réunis par un bandeau résilient (106, 106', 106'', 106''', 206, 306a-b). Lorsqu'on utilise la structure murale dans une structure de bâtiment, les éléments latéraux (102, 102a-c, 202, 302, 104, 104a-c, 204, 304) des platines d'extrémités du même côté sont fixés à la structure environnante, ce qui laisse une liberté de flottement par résilience à l'autre côté de la structure. Un mur est monté sur le côté libre de flotter de la structure de mur de façon à former un mur flottant se comportant comme un atténuateur sonore à membrane.

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