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Analysis of the mechanism of seabed liquefaction induced by waves and related seabed protection

Author

Listed:
  • Yu Huang
  • Yangjuan Bao
  • Min Zhang
  • Chun Liu
  • Ping Lu

Abstract

As one of the most serious offshore hazards, wave-induced seabed liquefaction can trigger massive landslides on the ocean floor and pose a great threat to submarine structures (e.g., coastal levees, oil platforms, drilling platforms and seabed pipelines). In view of the complexity and practicability of the problem, this study systematically analyzes the mechanism, factors and remedial measures of liquefaction. Compared with seismic liquefaction, waved-induced liquefaction varies in many respects, such as the load pattern, loading position, drainage condition and characteristics of pore water pressure, resulting in different mechanisms of seabed liquefaction under the action of waves. Both wave characteristics and soil characteristics, including the wave period, water depth, wave height, degree of saturation, seabed thickness, permeability and stress history, affect the degree of seabed liquefaction. Moreover, to ensure the sustainable development of the ocean, a series of remedial measures against liquefaction, including evaluation of the liquefaction potential, management of disaster prevention, ocean monitoring and forecasting, are proposed. Copyright Springer Science+Business Media Dordrecht 2015

Suggested Citation

  • Yu Huang & Yangjuan Bao & Min Zhang & Chun Liu & Ping Lu, 2015. "Analysis of the mechanism of seabed liquefaction induced by waves and related seabed protection," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 79(2), pages 1399-1408, November.
    • Handle: RePEc:spr:nathaz:v:79:y:2015:i:2:p:1399-1408
    DOI: 10.1007/s11069-015-1897-1
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    Citations

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    Cited by:

    1. Xiaohua Bao & Bin Ye & Guanlin Ye & Feng Zhang, 2016. "Co-seismic and post-seismic behavior of a wall type breakwater on a natural ground composed of liquefiable layer," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 83(3), pages 1799-1819, September.
    2. Min Zhang & Weilong Zhang & Yu Huang & Yuelou Cai & Shiwei Shen, 2019. "Failure mechanism of submarine slopes based on the wave flume test," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 96(3), pages 1249-1262, April.
    3. Shunkai Liu & Yuxing Nie & Wei Hu & Mohammed Ashiru & Zhong Li & Jun Zuo, 2022. "The Influence of Mixing Degree between Coarse and Fine Particles on the Strength of Offshore and Coast Foundations," Sustainability, MDPI, vol. 14(15), pages 1-21, July.

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