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  • On the soil response of a coastal sandy slope subjected to tsunami-like solitary wave

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    Author(s)
    Leng, Jian
    Ye, Guanlin
    Liao, Chencong
    Jeng, Dongsheng
    Griffith University Author(s)
    Jeng, Dong-Sheng
    Year published
    2018
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    Abstract
    This study proposes a two-dimensional coupled approach to examine dynamic response of a sloping beach due to tsunami-like solitary wave. Wave motion is governed by Reynolds-averaged Navier–Stokes (RANS) equations, while the beach response is described with the poro-elastoplastic theory. The wave module and beach module are strongly integrated, resulting in a profound investigation of the solitary wave-induced soil response. Validation against the experimental demonstrates the applicability of the present approach. Results show that the excess pore water pressure ratio (EPWPR) is significant in the shallow soil. Distribution ...
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    This study proposes a two-dimensional coupled approach to examine dynamic response of a sloping beach due to tsunami-like solitary wave. Wave motion is governed by Reynolds-averaged Navier–Stokes (RANS) equations, while the beach response is described with the poro-elastoplastic theory. The wave module and beach module are strongly integrated, resulting in a profound investigation of the solitary wave-induced soil response. Validation against the experimental demonstrates the applicability of the present approach. Results show that the excess pore water pressure ratio (EPWPR) is significant in the shallow soil. Distribution of EPWPR along the soil depth direction shows a decreasing trend. In addition, the principal axes of soil element on the shoreline rotated considerably under the solitary wave loading. When wave draws down from the slope, both shear stress and mean effective stress decrease compared with the run-up process. For engineering practice, special attention is given to the effect of permeability and coast slope on the soil response subjected to tsunami-like solitary waves.
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    Journal Title
    Bulletin of Engineering Geology and the Environment
    DOI
    https://doi.org/10.1007/s10064-017-1165-6
    Copyright Statement
    © 2017 Springer-Verlag GmbH Germany. This is an electronic version of an article published in Bulletin of Engineering Geology and the Environment, pp 1–16, 2017. Bulletin of Engineering Geology and the Environment is available online at: http://link.springer.com/ with the open URL of your article.
    Note
    This publication has been entered into Griffith Research Online as an Advanced Online Version.
    Subject
    Geology
    Sedimentology
    Civil engineering
    Publication URI
    http://hdl.handle.net/10072/368876
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    • Journal articles

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