Response of a porous seabed around breakwater heads

Jian Li, D.S. Jeng

    Research output: Contribution to journalArticle

    39 Citations (Scopus)

    Abstract

    The evaluation of wave-induced pore pressures and effective stresses in a porous seabed near a breakwater head is important for coastal engineers involved in the design of marine structures. Most previous studies have been limited to two-dimensional (213) or three-dimensional (313) cases in front of a breakwater. In this study, we focus on the problem near breakwater heads that consists of incident, reflected and diffracted waves. Both wave-induced oscillatory and residual liquefactions will be considered in our new models. The mistake in the previous work [Jeng, D.-S., 1996. Wave-induced liquefaction potential at the tip of a breakwater. Applied Ocean Research 18(5), 229-241] for oscillatory mechanism is corrected, while a new 3D boundary value problem describing residual mechanism is established. A parametric study is conducted to investigate the influences of several wave and soil parameters on wave-induced oscillatory and residual liquefactions around breakwater heads. (C) 2008 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)864-886
    JournalOcean Engineering
    Volume35
    DOIs
    Publication statusPublished - 2008

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    Breakwaters
    Liquefaction
    Ocean structures
    Pore pressure
    Boundary value problems
    Soils
    Engineers

    Cite this

    Li, Jian ; Jeng, D.S. / Response of a porous seabed around breakwater heads. In: Ocean Engineering. 2008 ; Vol. 35. pp. 864-886.
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    Response of a porous seabed around breakwater heads. / Li, Jian; Jeng, D.S.

    In: Ocean Engineering, Vol. 35, 2008, p. 864-886.

    Research output: Contribution to journalArticle

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    AB - The evaluation of wave-induced pore pressures and effective stresses in a porous seabed near a breakwater head is important for coastal engineers involved in the design of marine structures. Most previous studies have been limited to two-dimensional (213) or three-dimensional (313) cases in front of a breakwater. In this study, we focus on the problem near breakwater heads that consists of incident, reflected and diffracted waves. Both wave-induced oscillatory and residual liquefactions will be considered in our new models. The mistake in the previous work [Jeng, D.-S., 1996. Wave-induced liquefaction potential at the tip of a breakwater. Applied Ocean Research 18(5), 229-241] for oscillatory mechanism is corrected, while a new 3D boundary value problem describing residual mechanism is established. A parametric study is conducted to investigate the influences of several wave and soil parameters on wave-induced oscillatory and residual liquefactions around breakwater heads. (C) 2008 Elsevier Ltd. All rights reserved.

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