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    Volume 43, Issue 2 (March 2015)

    Special Issue Paper

    Evaluation of Long Multi-Span Steel U-Shaped Girder During Incremental Launching Construction

    (Received 19 March 2014; accepted 10 June 2014)

    Published Online: 14 March 2015

    CODEN: JTEVAB

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    Abstract

    Due to the low stiffness of the steel U-shaped girders of composite structure during incremental launching construction, special measures should be taken before the installation of the concrete deck. In this paper, the structural performance of steel U-shaped girder during launching construction was evaluated. The geometric configuration of the steel U-shaped girder was analyzed via transfer matrix method firstly. Then a local stress controlling strategy was developed based on a comprehensive finite element analysis of local stress characteristics. The comparison between predictions and in situ measurements of a large bridge project indicated the validity and accuracy of the proposed method.


    Author Information:

    Wang, J. F.
    Associate Professor, Department of Civil Engineering, Zhejiang Univ., Hangzhou,

    Lin, J. P.
    Department of Civil Engineering, Zhejiang Univ., Hangzhou,

    Fan, X. L.
    Lecturer, School of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou,


    Stock #: JTE20140123

    ISSN:0090-3973

    DOI: 10.1520/JTE20140123

    Author
    Title Evaluation of Long Multi-Span Steel U-Shaped Girder During Incremental Launching Construction
    Symposium ,
    Committee E60