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  • 2D model for wave-induced pore pressure accumulation around a rubble mound breakwater over sloping seabed

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    99611_1.pdf (817.5Kb)
    Author(s)
    Zhao, HY
    Jeng, DS
    Griffith University Author(s)
    Jeng, Dong-Sheng
    Zhao, Hongyi
    Year published
    2014
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    Abstract
    The evaluation of wave-induced excess pore pressure in the vicinity of marine structures is one of the key factors for coastal engineers involved in the design of foundation for the structures. Unlike previous models, the effect of outer shape of sloping seabed and breakwater on the wave field is considered in this study, as well as the pre-consolidation due to the effect of weight of breakwater on the stress field in seabed foundation. The phase-resolved absolute shear stress is considered as the source of pore pressure generation in the porous seabed model. Based on numerical results, we concluded that, the liquefaction ...
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    The evaluation of wave-induced excess pore pressure in the vicinity of marine structures is one of the key factors for coastal engineers involved in the design of foundation for the structures. Unlike previous models, the effect of outer shape of sloping seabed and breakwater on the wave field is considered in this study, as well as the pre-consolidation due to the effect of weight of breakwater on the stress field in seabed foundation. The phase-resolved absolute shear stress is considered as the source of pore pressure generation in the porous seabed model. Based on numerical results, we concluded that, the liquefaction zone develops first in front of and at the toe of the rubble-mound breakwater and then extends laterally and vertically to neighbouring zones. Under certain conditions, this two liquefied zone will be eventually linked together.
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    Conference Title
    Proceedings of the 11th (2014) Pacific/Asia Offshore Mechanics Symposium, PACOMS 2014
    Publisher URI
    http://www.isope.org/
    Copyright Statement
    © 2014 ISOPE . The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the conference's website for access to the definitive, published version.
    Subject
    Civil Geotechnical Engineering
    Publication URI
    http://hdl.handle.net/10072/65952
    Collection
    • Conference outputs

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