Coupled deformation-diffusion effects in the mechanics of faulting and failure of geomaterials

J. W. Rudnicki*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

This review article discusses the applications of poroelasticity to the mechanics of faulting and failure in geomaterials. Values of material parameters inferred from laboratory and field studies are summarized. Attention is focused on solutions for shear dislocations and shear cracks. A common feature is that undrained response, invoked by rapid slip or deformation, is stiffer than drained response, which occurs for slower slip or deformation. The time and spatial variation of the stress and pore pressure is different for slip on permeable and impermeable planes. These solutions are applied to interpretation of water well level changes due to slip, earthquake precursory processes, and stabilization of spreading slip zones. Inclusion modelsfor reservoirs, aquifers, and other inhomogeneities are formulated and the results are applied to stress and strain changes caused by fluid mass injection or withdrawal. This article has 120 references.

Original languageEnglish (US)
Pages (from-to)483-502
Number of pages20
JournalApplied Mechanics Reviews
Volume54
Issue number6
DOIs
StatePublished - Nov 2001

ASJC Scopus subject areas

  • Mechanical Engineering

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