The evaluation of the wave-induced soil response is particularly important for many coastal engineering installations such as offshore pipelines, platforms and breakwaters. Most previous investigations have been limited to the linear regular wave loading, even though the real situation is under random waves. In this study, we propose a semi-analytical solution for the random wave-induced pore pressure and effective stresses in marine sediments. Based on the new analytical solutions, different soil responses under the random wave loading are investigated and compared with the corresponding results under the linear regular waves. Numerical examples demonstrate the significant difference on wave-induced seabed response between these two wave loadings due to the irregularity introduced by the random waves. Finally, the influence of several soil parameters on the soil response under random wave loading is also examined.
- Ocean, Offshore, and Arctic Engineering Division
Response of a Porous Seabed Under Random Wave Loading
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Liu, H, & Jeng, D. "Response of a Porous Seabed Under Random Wave Loading." Proceedings of the 25th International Conference on Offshore Mechanics and Arctic Engineering. Volume 2: Ocean Engineering and Polar and Arctic Sciences and Technology. Hamburg, Germany. June 4–9, 2006. pp. 85-93. ASME. https://doi.org/10.1115/OMAE2006-92066
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