Bridge truss, bridge span including such trusses, and method...

E - Fixed Constructions – 04 – B

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14/11

E04B 1/19 (2006.01) E01D 6/00 (2006.01)

Patent

CA 1221504

A B S T R A C T Bridge truss, bridge span including such trusses, and method of constructing the truss. Prefabricated transverse sections of a bridge are essentially constituted by a three-dimensional truss of prestressed high mechanical strength concrete without a deck. The prefabricated sections are placed in situ to build up a bridge span, and deck-constituting units are subsequently placed on the span after it has been assembled. The invention also provides the unit three-dimensional trusses constituted by bars (P1 to P30) of prestressed high mechanical strength concrete interconnected by assembly blocks cast in concrete. The invention is particularly applicable to bridge building using the cantilever technique and a guyed support beam.

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