Three-dimensional poro-elastoplastic model for wave-induced pore pressure in a porous seabed around breakwater heads

J. Ou, D.S. Jeng, A.H.C. Chan

    Research output: Chapter in Book/Report/Conference proceedingChapter

    1 Citation (Scopus)

    Abstract

    The evaluation of the wave-induced pore pressure is one of key factors in the analysis of foundation stability around coastal structures. In this study, a three-dimensional numerical model is proposed to investigate the wave-induced pore pressures around a breakwater head. Unlike previous investigations limited to poro-elastic theories, the plastic soil behaviour is consider in the new model. With the present model, a parametric study is conducted to investigate the relative differences of the predictions of the wave-induced pore pressure with elastic and plastic models. Based on numerical examples, we concluded that relative difference between elastic and plastic models are significant affected by wave periods and water depths. The wave height significantly affects the development of residual pore pressure versus time. Furthermore, plastic soil behaviour plays an important role in a seabed of low permeability.
    Original languageEnglish
    Title of host publicationCCP: 89 Proceedings of the 6th international conference on engineering computational technology
    EditorsM. Papadrakakis, B.H.V. Topping
    Place of PublicationStirlingshire
    Volume89
    DOIs
    Publication statusPublished - 2008

    Fingerprint

    breakwater
    pore pressure
    plastic
    coastal structure
    wave height
    water depth
    soil
    permeability
    prediction

    Cite this

    Ou, J., Jeng, D. S., & Chan, A. H. C. (2008). Three-dimensional poro-elastoplastic model for wave-induced pore pressure in a porous seabed around breakwater heads. In M. Papadrakakis, & B. H. V. Topping (Eds.), CCP: 89 Proceedings of the 6th international conference on engineering computational technology (Vol. 89). Stirlingshire. https://doi.org/10.4203/ccp.89.178
    Ou, J. ; Jeng, D.S. ; Chan, A.H.C. / Three-dimensional poro-elastoplastic model for wave-induced pore pressure in a porous seabed around breakwater heads. CCP: 89 Proceedings of the 6th international conference on engineering computational technology. editor / M. Papadrakakis ; B.H.V. Topping. Vol. 89 Stirlingshire, 2008.
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    abstract = "The evaluation of the wave-induced pore pressure is one of key factors in the analysis of foundation stability around coastal structures. In this study, a three-dimensional numerical model is proposed to investigate the wave-induced pore pressures around a breakwater head. Unlike previous investigations limited to poro-elastic theories, the plastic soil behaviour is consider in the new model. With the present model, a parametric study is conducted to investigate the relative differences of the predictions of the wave-induced pore pressure with elastic and plastic models. Based on numerical examples, we concluded that relative difference between elastic and plastic models are significant affected by wave periods and water depths. The wave height significantly affects the development of residual pore pressure versus time. Furthermore, plastic soil behaviour plays an important role in a seabed of low permeability.",
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    Ou, J, Jeng, DS & Chan, AHC 2008, Three-dimensional poro-elastoplastic model for wave-induced pore pressure in a porous seabed around breakwater heads. in M Papadrakakis & BHV Topping (eds), CCP: 89 Proceedings of the 6th international conference on engineering computational technology. vol. 89, Stirlingshire. https://doi.org/10.4203/ccp.89.178

    Three-dimensional poro-elastoplastic model for wave-induced pore pressure in a porous seabed around breakwater heads. / Ou, J.; Jeng, D.S.; Chan, A.H.C.

    CCP: 89 Proceedings of the 6th international conference on engineering computational technology. ed. / M. Papadrakakis; B.H.V. Topping. Vol. 89 Stirlingshire, 2008.

    Research output: Chapter in Book/Report/Conference proceedingChapter

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    T1 - Three-dimensional poro-elastoplastic model for wave-induced pore pressure in a porous seabed around breakwater heads

    AU - Ou, J.

    AU - Jeng, D.S.

    AU - Chan, A.H.C.

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    PY - 2008

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    N2 - The evaluation of the wave-induced pore pressure is one of key factors in the analysis of foundation stability around coastal structures. In this study, a three-dimensional numerical model is proposed to investigate the wave-induced pore pressures around a breakwater head. Unlike previous investigations limited to poro-elastic theories, the plastic soil behaviour is consider in the new model. With the present model, a parametric study is conducted to investigate the relative differences of the predictions of the wave-induced pore pressure with elastic and plastic models. Based on numerical examples, we concluded that relative difference between elastic and plastic models are significant affected by wave periods and water depths. The wave height significantly affects the development of residual pore pressure versus time. Furthermore, plastic soil behaviour plays an important role in a seabed of low permeability.

    AB - The evaluation of the wave-induced pore pressure is one of key factors in the analysis of foundation stability around coastal structures. In this study, a three-dimensional numerical model is proposed to investigate the wave-induced pore pressures around a breakwater head. Unlike previous investigations limited to poro-elastic theories, the plastic soil behaviour is consider in the new model. With the present model, a parametric study is conducted to investigate the relative differences of the predictions of the wave-induced pore pressure with elastic and plastic models. Based on numerical examples, we concluded that relative difference between elastic and plastic models are significant affected by wave periods and water depths. The wave height significantly affects the development of residual pore pressure versus time. Furthermore, plastic soil behaviour plays an important role in a seabed of low permeability.

    UR - http://www.scopus.com/inward/record.url?scp=84858380783&partnerID=8YFLogxK

    U2 - 10.4203/ccp.89.178

    DO - 10.4203/ccp.89.178

    M3 - Chapter

    VL - 89

    BT - CCP: 89 Proceedings of the 6th international conference on engineering computational technology

    A2 - Papadrakakis, M.

    A2 - Topping, B.H.V.

    CY - Stirlingshire

    ER -

    Ou J, Jeng DS, Chan AHC. Three-dimensional poro-elastoplastic model for wave-induced pore pressure in a porous seabed around breakwater heads. In Papadrakakis M, Topping BHV, editors, CCP: 89 Proceedings of the 6th international conference on engineering computational technology. Vol. 89. Stirlingshire. 2008 https://doi.org/10.4203/ccp.89.178