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1×64 m钢桁梁跨高速公路拖拉施工难度大,安全风险高。介绍了钢桁梁拖拉施工中上下滑道的设计施工、卷扬机的设计及施工过程中的控制,以及今后同类型施工的建议。
The 1 × 64 m steel truss girder is difficult to procrastinate and pull over the expressway with high safety risk. The design and construction of the upper and lower slides in the steel truss girder towing construction are introduced. The design and construction of the hoist and the control during construction are also introduced. The suggestions of the same kind of construction in the future are also introduced.