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    Capacity of Caissons in Stiff Over Soft Clay under Combined V-H-M Loadings

    Access Status
    Fulltext not available
    Authors
    Xia, Huxi
    Zhou, Xiaowen
    Zhou, Mi
    Niu, Fujun
    Zhang, Xihong
    Date
    2021
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Xia, H. and Zhou, X. and Zhou, M. and Niu, F. and Zhang, X. 2021. Capacity of Caissons in Stiff Over Soft Clay under Combined V-H-M Loadings. Ocean Engineering. 229: 109007.
    Source Title
    Ocean Engineering
    DOI
    10.1016/j.oceaneng.2021.109007
    ISSN
    0029-8018
    Faculty
    Faculty of Science and Engineering
    School
    School of Civil and Mechanical Engineering
    URI
    http://hdl.handle.net/20.500.11937/89096
    Collection
    • Curtin Research Publications
    Abstract

    This paper carries out a numerical study to investigate the bearing capacities of caissons in stiff-over-soft clay under combined V–H-M loadings. A finite element model is generated and validated with available data in open literature, where a good agreement is obtained. A parametric study is then performed to explore the effects of the upper clay thickness, skirt length, the mobilization of vertical loading and different soil properties on the failure mechanism and corresponding bearing capacity of caissons in stiff-over-soft clay under combined V–H-M loads. The results show that the failure mechanisms of caissons in stiff-over-soft clay are significantly different from those in uniform clay; hence a dramatical distinction between the failure envelopes in stiff-over-soft clay and uniform clay can be found. Last but not the least, based on the numerical results, an empirical design approach is proposed to predict the failure envelopes of caissons under various loading situations.

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