Generalized Cyclic-Degradation-Pore-Pressure Generation Model for Clays
Publication: Journal of Geotechnical Engineering
Volume 121, Issue 1
Abstract
A model for the behavior of fully saturated normally consolidated and overconsolidated marine clays subjected to uniform cyclic strain-controlled and staged cyclic loading under simple shear conditions is proposed. Staged cyclic testing with several levels of different uniform cyclic strains was used to simulate a clay response similar to the one that occurs during true irregular cyclic loading during earthquakes, ocean storms, and other natural cyclic loading phenomena. The model incorporates cyclic degradation, cyclic pore-water pressure generation, and cyclic threshold shear strain defined as the cyclic strain amplitude below which neither significant (positive or negative) pore-water pressure develops nor significant degradation occurs. The model was verified by staged cyclic direct simple shear testing of five marine clays. Practical applications of the model are addressed.
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Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 121 • Issue 1 • January 1995
Pages: 33 - 42
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Jan 1, 1995
Published in print: Jan 1995
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