Response of a porous seabed around breakwater heads

J. Li, D. -S. Jeng

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    53 Citations (Scopus)


    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 (2D) or threedimensional (3D) 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.
    Original languageEnglish
    Pages (from-to)864-886
    Number of pages23
    JournalOcean Engineering
    Issue number8-9
    Publication statusPublished - 2008


    • Pore pressure
    • Effective stresses
    • Porous seabed
    • Breakwater heads


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