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. (ASCE)

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  • Accession Number: 00330606
  • Record Type: Publication
  • Report/Paper Numbers: ASCE 15998
  • Files: TRIS
  • Created Date: Oct 28 1981 12:00AM