Structural building element

Details Structural building element Structural building element

E - Fixed Constructions

04

C

E04C 3/07 (2006.01) E04B 1/58 (2006.01) E04C 3/09 (2006.01) E04C 3/04 (2006.01)

Patent

CA 2508369

The invention provides a structural building element (1) formed from cold- rolled lightweight sheet steel. The building element (1) may be used as a structural upright or as a beam, and is based generally on building elements with a known C-shaped profile. The profile of the building element of the invention is however based on a continuous curve. Each of a pair of front wall portions (2a) and (2b) extends in a wholly or substantially smooth arc from a central slot opening (5) onto the corresponding lateral side (3a, 3b). The rear portion (4) is sinusoidal, comprising a pair of convex wall portions each extending in a wholly or substantially smooth arc from a concave arcuate or substantially arcuate rear central wall portion (7) onto a respective one of the lateral sides (3a, 3b).

L'invention concerne un élément structural de bâtiment (1) formé d'acier laminé à froid en feuille légère. L'élément de bâtiment (1) peut être employé en tant que colombage ou comme faisceau, et il est basé généralement sur des éléments de bâtiment avec un profil en C connu. Le profil de l'élément de bâtiment de l'invention est cependant basé sur une courbe continue. Chaque partie d'une paire de portions (2a) et (2b) de paroi frontale se prolonge selon un arc sensiblement ou complètement lisse à partir d'une ouverture centrale de fente (5) sur le côté latéral correspondant (3a, 3b). La partie arrière (4) est sinusoïdale, comportant une paire de portions de paroi convexe se prolongeant chacune selon un arc sensiblement ou complètement lisse à partir d'une portion de paroi centrale arrière arquée ou essentiellement arquée concave (7) sur un des côtés latéraux (3a, 3b) respectif.

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