Research Article
Jan 1981
Computer Simulation of Creep of Clay
Authors: Roland Pusch and Paul FelthamAuthor Affiliations
Publication: Journal of the Geotechnical Engineering Division
Volume 107, Issue 1
Abstract
The variable character of the particle contacts in natural illitic clay implies a spectrum of bond strengths. When a sufficiently high external shear stress is applied some weaker interlinking particle groups are transformed to domains which act as slip units. In creep induced by a constant deviatoric stress, the number and heights of thermally activable barriers to slip will vary in space and time. This is encompassed by a stochastic model, a simple version of which was used in a computer simulation. The dependence of the strain on time was found to be logarithmic, in good agreement with experiments.
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Published In
Journal of the Geotechnical Engineering Division
Volume 107 • Issue 1 • January 1981
Pages: 95 - 104
Copyright
© 1981 American Society of Civil Engineers.
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Published in print: Jan 1981
Published online: Feb 11, 2021
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Roland Pusch
Prof., Div. Soil Mech., Univ. of Lulea, 95187 Lulia, Sweden
Paul Feltham
Prof., Dept. of Physics, Brunel Univ., Middlesex, England
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