Physics of Liquefaction Phenomena around Marine Structures
Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 132, Issue 4
Abstract
Understanding of the physical backgrounds is essential for good engineering practice with respect to liquefaction of sandy soils around and beneath marine structures. Several types of liquefaction can be distinguished. The corresponding physical phenomena are briefly described. Among them are: compressibility of soil skeleton, dilation, contraction, elastic versus plastic deformation, interaction between pore water and soil skeleton, compressibility of pore water, monotonic versus cyclic response, instantaneous versus residual liquefaction, drainage and pre-shearing. In each particular case just a limited number of these phenomena is relevant and needs to be modeled. A survey of typical cases is presented and the relevant phenomena are discussed. Most will be elaborated on in other papers appearing in this issue. This paper may help to discover the relationship between the different papers.
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Acknowledgments
This study was partially funded by the European Commission Research Directorate, FP5, specific program “Energy, Environment and Sustainable Development,” Contract No. UNSPECIFIEDEVK3-CT-2000-00038, Liquefaction Around Marine Structures LIMAS. ⟨http://vb.mek.dtu.dk/research/limas/limas.html⟩. Another part was funded by Delft Cluster, performing fundamental research for sustainable delta development. Delft Cluster is established by six institutes in Delft, The Netherlands.
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Information
Published In
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 132 • Issue 4 • July 2006
Pages: 227 - 243
Copyright
© 2006 ASCE.
History
Received: May 11, 2004
Accepted: May 3, 2005
Published online: Jul 1, 2006
Published in print: Jul 2006
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