The bridge tower is constructed by hydraulic climbing formwork method.
The mid span steel beams shall be installed in sections with single cantilever of large tonnage bridge deck cranes…
The side span and secondary side span concrete beams shall be cast in situ with supports.
In view of the shallow or no overburden of the riverbed, the main pier foundation adopts the bedrock surface pipe pile stability anchorage technology and the integral frame trestle and platform construction; The bored pile is drilled by large impact air lift reverse circulation drilling machine, which improves the drilling efficiency and drilling quality; In order to solve the problem of drilling in hard rock stratum and rock stratum with inclination and uneven hardness, pneumatic down the hole drill is used for pretreatment; The main pier cushion cap is constructed with a dismountable double wall steel box cofferdam with few supports, which is convenient for the removal and reuse of the cofferdam in the water.
China Railway Bridge Bureau Group Co., Ltd., Wuhan 430050, Hubei Province; 2.
The top and bottom surfaces of the upper crossbeam are cambered, and the overall large-span arch bracket is used for construction.
The bridge is located at the bottleneck of Wulong River, with complex hydrogeological and topographical conditions, and it spans and is close to existing roads and bridges.
The Fuzhou side secondary side span steel beams shall be hoisted in sections with large assembly floating cranes on water and dragged and slid in place with support slideways.
Huang Zhonghua 1, 2 (1.
State Key Laboratory of Bridge Structure Health and Safety, Wuhan 430034, Hubei Province), the key technology for the construction of Wulongjiang Super Large Bridge of Fuzhou Xiamen High speed Railway, Abstract: The Wulongjiang Super Large Bridge of Fuzhou Xiamen High speed Railway is a cable-stayed bridge with high and low towers and double cable planes on four line railways with a main span of 432m, and the main beam is a mixed beam with asymmetric arrangement.
