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  • Effects of dynamic soil permeability on the wave-induced seabed response around a buried pipeline

    Author(s)
    Wu, S
    Jeng, D-S
    Griffith University Author(s)
    Jeng, Dong-Sheng
    Wu, Sheng
    Year published
    2019
    Metadata
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    Abstract
    Soil permeability is one of key factors in the prediction of the wave-induced seabed response, which needs to be considered in the design of foundation around marine installations. Most previous studies in the field treated the soil permeability as a constant or varying in spacial domain, although it depends on numerous soil parameters. In this study, the soil permeability is considered as a function of pore-water pressures as reported in the literature. With this new feature, the governing equations will become non-linear differential equations. Numerical examples demonstrate the considerable influence of dynamic soil ...
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    Soil permeability is one of key factors in the prediction of the wave-induced seabed response, which needs to be considered in the design of foundation around marine installations. Most previous studies in the field treated the soil permeability as a constant or varying in spacial domain, although it depends on numerous soil parameters. In this study, the soil permeability is considered as a function of pore-water pressures as reported in the literature. With this new feature, the governing equations will become non-linear differential equations. Numerical examples demonstrate the considerable influence of dynamic soil permeability on the wave-induced pore pressure and effective stresses. It is concluded that the conventional model with constant soil permeability under-estimates the liquefaction potential.
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    Journal Title
    Ocean Engineering
    Volume
    186
    DOI
    https://doi.org/10.1016/j.oceaneng.2019.106132
    Subject
    Civil Engineering
    Maritime Engineering
    Oceanography
    Publication URI
    http://hdl.handle.net/10072/386472
    Collection
    • Journal articles

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