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Creep in rock as a stochastic process

✍ Scribed by Roland Pusch

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
482 KB
Volume
20
Category
Article
ISSN
0013-7952

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✦ Synopsis

The heterogeneous character of rock suggests the use of statistical mechanics for the formulation of models of plasticity and creep. A stochastic creep model which allows for large variations in strength and size of the involved rock mass is outlined. The model, which is analogous to a previously developed concept for clastic materials, is shown to account rather well for typical creep behaviour of rock at moderate stresses and temperatures. Thus, it yields the often observed linear relation between the creep strain and the logarithm of time.

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