Stressed membrane structure

E - Fixed Constructions – 04 – B

Patent

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Details

E04B 1/32 (2006.01) E04B 1/343 (2006.01) E04B 7/08 (2006.01) E04C 3/02 (2006.01)

Patent

CA 2585257

A demountable building structure that is readily assembled from a set of components is disclosed. The building structure includes a plurality of arc frame members spaced along a length of the building structure. Each of the arc frame members extends from a first foot portion to a peak, and back to a second foot portion. Each of the arc frame members includes a plurality of beams. Each of the beams includes two opposed flanges. Each of the flanges has two bifurcated ends. The ends define c-shaped rope chases with openings. The building structure further includes bases slidably mateable with the first and second foot portions, and elongate membranes having beaded longitudinal edges. The membranes are stretched between adjacent of the arc frame members. The longitudinal edges are within the rope chases. Spreaders extend between adjacent of the arc frame members for urging apart the arc frame members from each other and for maintaining the membranes in a stretched condition.

L'invention concerne une structure d'immeuble démontable qui est rapidement assemblée à partir d'un jeu de composants. Ladite structure d'immeuble comporte plusieurs éléments d'arc de cadre espacés sur une longueur de ladite structure d'immeuble. Chaque élément d'arc de cadre s'étend d'une première partie pied à une crête et revient à une seconde partie pied. Chaque élément d'arc de cadre comporte plusieurs poutres, chacune comprenant deux brides opposées. Chaque bride a deux extrémités bifurquées, les extrémités définissant des châssis à cordage en c avec ouvertures. La structure d'immeuble comporte en outre des bases raccordables coulissantes avec les première et seconde parties pieds, les membranes allongées ayant des arêtes longitudinales à bourrelet. Les membranes sont étirées entre les éléments d'arc de cadre contigus. Les arêtes longitudinales sont à l'intérieur des châssis à cordage. Des étrésillons s'étendent entre les éléments d'arc de cadre contigus de façon à les séparer les uns des autres et à maintenir les membranes étirées.

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