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    Influence of Ground Motion Duration on Responses of Concrete Gravity Dams

    Access Status
    Fulltext not available
    Authors
    Wang, C.
    Hao, Hong
    Zhang, S.
    Wang, G.
    Date
    2018
    Type
    Journal Article
    
    Metadata
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    Citation
    Wang, C. and Hao, H. and Zhang, S. and Wang, G. 2018. Influence of Ground Motion Duration on Responses of Concrete Gravity Dams. Journal of Earthquake Engineering.
    Source Title
    Journal of Earthquake Engineering
    DOI
    10.1080/13632469.2018.1453422
    ISSN
    1363-2469
    URI
    http://hdl.handle.net/20.500.11937/66762
    Collection
    • Curtin Research Publications
    Abstract

    This study investigates the duration effect on the responses and damage of a dam–reservoir–foundation system. A group of 95 recorded accelerograms with a wide range of durations are adopted in the analyses. A novel global damage index that takes into consideration the consequences of damage at different locations on the overall dam safety is proposed. Nonlinear analysis results show that the duration is positively correlated with the accumulated damage of the dam system. An amplification coefficient that relates the response of the concrete gravity dam from short-duration and long-duration ground motions is proposed.

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