Wave pressure on the boundary of liquefied silty seabed under wave loading

Ren Yupeng; Fang Hongru; Xu Guohui; Xu Xingbei

doi:10.3969/j.issn.0253-4193.2017.01.009

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Ren Yupeng, Fang Hongru, Xu Guohui, Xu Xingbei. Wave pressure on the boundary of liquefied silty seabed under wave loading[J]. Haiyang Xuebao, 2017, 39(1): 89-95. doi: 10.3969/j.issn.0253-4193.2017.01.009

Citation:

Ren Yupeng, Fang Hongru, Xu Guohui, Xu Xingbei. Wave pressure on the boundary of liquefied silty seabed under wave loading[J]. Haiyang Xuebao, 2017, 39(1): 89-95. doi: 10.3969/j.issn.0253-4193.2017.01.009

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Wave pressure on the boundary of liquefied silty seabed under wave loading

doi: 10.3969/j.issn.0253-4193.2017.01.009

1.
Key Laboratory of Marine Environment & Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China;Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao 266100, China
2.
China Gezhouba Group Fifth Engineering Co., Ltd., Yichang 443000, China

Received Date: 2016-04-07
Rev Recd Date: 2016-05-10

Abstract

Abstract

The liquefaction of silty seabed is one of the disasters that would threaten the stability of offshore platforms, subsea pipelines and other marine structures. The boundary wave pressure caused by liquefied soil to the following seabed is a significant parameter when it comes to the calculation of pore water pressure and the liquefaction depth which should be taken into account during the structures design. Boundary wave pressure expressions with viscidity of seabed soil considered are deducted in this study, basing on the wave-induced silty seabed liquefaction top-down progressive mode and double fluid wave theory. The analysis of comparison with the boundary wave pressure without viscidity of seabed soil is also submitted. The results indicate that the viscidity of liquefied soil is a great factor of influencing the boundary wave pressure, and then would affect the determination of the liquefaction depth.
- silt soli,
- liquefaction,
- fluid fluctuation,
- wave action,
- boundary wave pressure

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References(17)

References

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