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Published in:
2013 | OriginalPaper | Chapter
8. Random Wave-Induced Seabed Response
Author : Dong-Sheng Jeng
Published in: Porous Models for Wave-seabed Interactions
Publisher: Springer Berlin Heidelberg
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Abstract
In this chapter, unlike most previous investigations for wave-induced soil response, a simple semi-analytical model for the random wave-induced soil response is established for an unsaturated seabed of finite thickness. Two different wave spectra, the B–M and JONSWAP spectra, are considered. The effects of random wave loading on the soil response is investigated by comparing with the corresponding representative regular wave results through a parametric study, which includes the effect of the degree of saturation, soil permeability, wave height, wave period and seabed thickness. The maximum liquefaction depth under the random waves is also examined. The difference on the soil response under the two random wave types, B–M and JONSWAP frequency spectra, is also discussed in the present work.