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  • Laboratory study for soil structure effect on marine clay response subjected to cyclic loads

    Author(s)
    Leng, Jian
    Liao, Chencong
    Ye, Guanlin
    Jeng, D-S
    Griffith University Author(s)
    Jeng, Dong-Sheng
    Year published
    2018
    Metadata
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    Abstract
    In this paper, a series of undrained dynamic cyclic triaxial tests were conducted to investigate structure effect on soil response due to cyclic loads. Soil samples used in this study are 1) undisturbed Shanghai marine clay and 2) artificially disturbed and remoulded Shanghai marine clay. Dynamic response, including strain development, effective stress path and pore water pressure, of both clay samples that subjected to cyclic loads were measured, respectively. Test results between undisturbed and remoulded disturbed samples were compared in detail to clarify the role that soil structure may have played during repeated ...
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    In this paper, a series of undrained dynamic cyclic triaxial tests were conducted to investigate structure effect on soil response due to cyclic loads. Soil samples used in this study are 1) undisturbed Shanghai marine clay and 2) artificially disturbed and remoulded Shanghai marine clay. Dynamic response, including strain development, effective stress path and pore water pressure, of both clay samples that subjected to cyclic loads were measured, respectively. Test results between undisturbed and remoulded disturbed samples were compared in detail to clarify the role that soil structure may have played during repeated loadings. It is found that the soil structure has significant influence on residual pore water pressure development. Based on the experimental results, a partition diagram is proposed to evaluate the accumulated pore water pressure of clay in different sensitivities when estimating liquefaction potential subjected to cyclic loads.
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    Journal Title
    Ocean Engineering
    Volume
    147
    DOI
    https://doi.org/10.1016/j.oceaneng.2017.10.020
    Subject
    Oceanography
    Civil engineering
    Maritime engineering
    Maritime engineering not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/380982
    Collection
    • Journal articles

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