Four methods of erecting steel stiffening truss girder of suspension bridge, including the deck lifting gantry crane method, the cable-mounted crane method, the cantilever erection method with derrick crane and the incremental launching method, were studied Based on construction conditions of the bridge, a according to the optimal combination of various factors such as construction safety, quality, period, environmental protection and economic performance, etc., the cantilever erection method with derrick crane was recommended for the bridge. On this basis, three categories of connection in cantilever erection methods, including the all hinged method, the successive fully splicing method and the successive splicing with temporary erection hinge method, were studied. The successive splicing with temporary erection hinge method was recommended in the bridge with consideration of the requirements of construction safety, quality and time limit. In addition, the traction method of hangers at the top end during cantilever erection was studied. Finally, the erection method of three key stages, including the first segment near the pylon, the standard segment, as well as the closure segment of steel stiffening truss girder, was studied. The cantilever erection method with derrick crane provides a new way for design and construction of long span suspension bridge with steel stiffening truss girder in the western area of China.


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    Title :

    Research on Erection Methods of Steel Stiffening Truss Girder for Baling River Bridge


    Contributors:
    Liu, Gao (author) / Peng, Yundong (author) / Zhou, Ping (author) / Tong, Yuqiang (author) / Pang, Songxian (author)


    Publication date :

    2010-06-15


    Size :

    72010-01-01 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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