Lattice panel structures

Details Lattice panel structures Lattice panel structures

E - Fixed Constructions

01

D

E01D 15/133 (2006.01) E01D 6/00 (2006.01)

Patent

CA 2407647

A modular system for the construction of a lattice panel for a bridge, comprises first and second chord members (20, 28) and a plurality of web members (1). Each web member comprises three legs forming a triangle. One leg (2) extends perpendicularly between the chord members. The second and third legs (3, 4) are joined to each other and to the ends of the first leg. The ends of the first leg (1) are provided with means for connecting the web member to the chords (20, 28). Interlocking means (13, 19) are provided at the joint between the second and third legs, and mid way along the first leg, so that adjacent web members can be connected together.

Ce système modulaire pour la construction d'un panneau en treillis comporte un premier et un second élément de membrure (20, 28) et plusieurs éléments d'âme (1). Chaque élément d'âme comporte trois ailes formant un triangle. Une des ailes (2) s'étend à la perpendiculaire entre les éléments de membrure. La troisième et la quatrième aile (3, 4) sont rattachées l'une à l'autre ainsi qu'aux extrémités de la première. Les extrémités de cette première aile (1) sont pourvues de dispositifs permettant de rattacher l'élément d'âme aux éléments de membrure (20, 28). Le point de jonction entre la deuxième et la troisième aile est pourvu de moyens d'assemblage (13, 19), qui se trouvent également au milieu de la première aile, de sorte qu'il est possible de raccorder des éléments d'âme adjacents.

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