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    Response of a RC bridge in WA to simulated spatially varying seismic ground motions

    Access Status
    Fulltext not available
    Authors
    Hao, Hong
    Chouw, N.
    Date
    2008
    Type
    Journal Article
    
    Metadata
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    Citation
    Hao, H. and Chouw, N. 2008. Response of a RC bridge in WA to simulated spatially varying seismic ground motions. Australian Journal of Structural Engineering. 8 (1): pp. 85-98.
    Source Title
    Australian Journal of Structural Engineering
    ISSN
    1328-7982
    URI
    http://hdl.handle.net/20.500.11937/16822
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, numerical results from a non-linear dynamic response analysis of a 50 m long two-span RC bridge in the Perth Metropolitan Area (PMA) to simulated spatially varying seismic ground motions are presented and discussed. Spatially varying ground motions are stochastically simulated to be compatible with the design spectrum for different site conditions given in the Draft Australian Earthquake Loading Code, and are compatible with an empirical coherency loss function representing highly, intermediately and weakly correlated spatial ground motions. Effects of ground motion spatial variation, bridge bearing stiffness, gap size of the expansion joint, and soil stiffness on impact force between the girders, and bending moment and shear force of the pier are investigated. Discussions on the influence of ground motion spatial variations on bridge structure response are made.

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    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.