Quick construction method of two-tower five-span steel truss girder cable-stayed bridge
A construction method and technology of steel truss girder, applied in the direction of bridges, bridge construction, erection/assembly of bridges, etc., can solve the problems of slow construction, affecting the closing accuracy and alignment of cable-stayed bridges, etc., to achieve rapid construction, saving construction costs, guaranteeing The effect of construction quality
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[0029] A rapid construction method for a double-tower five-span steel truss girder cable-stayed bridge, the two main tower columns of the constructed twin-tower five-span steel truss girder cable-stayed bridge are composed of pile foundation 7, cap 8, tower Seat 9, lower tower column 2, lower beam 14, middle tower column 3, upper beam 17 and upper tower column 4, side pier 5 and auxiliary pier 6 are symmetrically arranged on one side of the two main tower columns, side pier 5 And the auxiliary pier 6 is supported with a side span 11, the auxiliary pier 6 and the main tower column are supported with an auxiliary span 19, and the two main tower columns are supported with a middle span 22; the method includes the following steps:
[0030] 1. First, the same method is used to construct the two main tower columns at the same time. The main tower column is poured in sections. At the same time, the steel truss beam is constructed by a single cantilever assembly method from the side sp...
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