Research Article
Oct 1980
Prefailure and Post-Failure Soil Plasticity Models
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VIEW THE REPLYAuthors: M.M. Mehrabadi and Stephen C. CowinAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 106, Issue 5
Abstract
It is shown in this paper that a slightly modified form of the rigid-plastic yield-vertex model for geological materials will contain as a special case both the rigid-plastic form of the yield-vertex model and the sliding deformation model. This result is interesting because the yield-vertex model is a prefailure model and the sliding deformation model is a post-failure model. The specific result of interest is that, if the two pairs of localization directions in the nonwork-hardening form of the rigid-plastic yield-vertex model coincide, then the continued deformation in the post-failure regime is that hypothesized in the sliding deformation model. The analysis is confined to two dimensions.
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Published In
Journal of the Engineering Mechanics Division
Volume 106 • Issue 5 • October 1980
Pages: 991 - 1003
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Oct 1980
Published online: Feb 3, 2021
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M.M. Mehrabadi
Grad. Student, Dept. of Mech. Engrg., Tulane Univ., New Orleans, La.
Stephen C. Cowin
Prof. of Mechanics, Dept. of Biomedical Engrg., Tulane Univ., New Orleans, La.
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