Research Article
Nov 1982
Earthquake-Induced Deformations of Soft Clay Slopes
Authors: Yoshiharu Moriwaki, M.ASCE, Izzat M. Idriss, F.ASCE, and Earl H. Doyle, M.ASCEAuthor Affiliations
Publication: Journal of the Geotechnical Engineering Division
Volume 108, Issue 11
Abstract
An existing one-dimensional, non-linear, degrading stress-strain soil model for horizontal sites is extended to mildly sloping sites and a practical procedure to analyze the earthquake-induced deformation of mildly sloping soft clayey sites is presented. The proposed soil mode assumes a unique relationship between the degradation index and residual strain and appears to provide satisfactory results when compared to laboratory tests results. An example analysis of a hypothetical mildly sloping site using the computer program DCHARMS is shown to illustrate the application of the procedure. The proposed procedure is similar to the stress path method as applied to the earthquake deformation analysis of an embankment. The procedure, however, assumes the decoupling of the cyclic part and the residual part of the response and incorporates omly the cyclic part of the response in the actual response calculations.
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Published In
Journal of the Geotechnical Engineering Division
Volume 108 • Issue 11 • November 1982
Pages: 1475 - 1493
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Nov 1982
Published online: Feb 11, 2021
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Authors
Affiliations
Yoshiharu Moriwaki, M.ASCE
Sr. Project Engr., Woodward-Clyde Consultants, Three Embarcadero Center, San Francisco, Calif. 94111
Izzat M. Idriss, F.ASCE
Principal, Woodward-Clyde Consultants, Three Embarcadero Center, San Francisco, Calif. 94111
Earl H. Doyle, M.ASCE
Sr. Research Engr., Shell Development Co., Houston, Tex
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.