Aizhai Bridge is a stiffening steel truss girder suspension bridge and the main bridge consists of three spans of 242 m + 1176 m + 116 m. It flies over Dehang Canyon, which is cliffy and steep, the depth between the designed elevation and the ground is 355 meters. In order to overcome the problems happened during the transportation, a new construction plan for the erection of steel truss girder is developed, combining the lifting technology with the cable-tracking transportation. Simply speaking, main cables and hangers are used as bearing structure, the track cables hanged on the hangers are used as transportation track. The transport vehicles system run along the tracking cables to deliver the steel truss girder, and the deck unit erecting system do the lifting job. In this paper, the scale model experiment and full scale model test of the track-cable transferring system are introduced, the design and test of erection gantry for deck unit are described. Finally, the engineering application of the track-cable erecting system is described. The results of experiment and engineering application show that the transportation and erection work of steel truss girder can quickly be completed by using the new construction plan. It is safe and economic solution, and has very broad prospect and practical value for the construction of suspension bridge and arch bridge.


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    Titel :

    Application of the Track-Cable Erecting System for Steel Truss Girder in Aizhai Suspension Bridge


    Beteiligte:
    Deng, Nian-Chun (Autor:in) / Liu, Xian-Hui (Autor:in) / Zhang, Nian-Lai (Autor:in) / Wu, Liu-Yi (Autor:in)


    Erscheinungsdatum :

    2012


    Format / Umfang :

    5 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





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