Cable stayed bridge

Details Cable stayed bridge Cable stayed bridge

E - Fixed Constructions

01

D

14/1

E01D 1/00 (2006.01) E01D 11/00 (2006.01) E01D 11/04 (2006.01) E01D 19/14 (2006.01) E01D 19/16 (2006.01)

Patent

CA 1174403

ABSTRACT OF THE DISCLOSURE In a cable stayed bridge a continuous roadway slab includes an end span supported on and extending between an abutment and a tower and a middle span extending halfway between the tower and another tower. Both the towers and the roadway slab are formed of reinforced concrete. The roadway slab cantilevers outwardly on both sides from the tower. The tower is constructed so that it can absorb approximately two-thirds of the bending moment from one sided live loads by redistributing the resultants of the vertical loads within its cross section. Inclined stays extend between the tower and the roadway slab and includes first stays extending between the upper end of the power and the ends of the spans remote from the tower and second stays also extending between the tower and the roadway slabs, however, on the tower their ends are located below the upper end of the tower and on the roadway slab they are located between the tower and the end of the span to which the first stays are connected. The first stays are constructed stronger relative to the second stays. The roadway slab is formed as a plural hollow cell member of relatively low height constructed as a Vierendeel truss.

414660

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