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Current Topics in Non-Elastic Deformation of Geological Materials

  • V. N. Nikolaevskii
  • J. R. Rice

Abstract

Inelastic volume deformation, especially dilatancy, and pressure-sensitive yielding are essential features of plastic deformation in geological materials and these do not permit the use of classical elasto-plastic mathematical models. We will give a qualitative description of the ranges of the non-elastic mechanical response of porous or cracked materials, and will discuss idealized constitutive models, the preference for non-associated flow rules, conditions for the localization of deformation, post-shock effects, and pore-fluid coupling in dilatant strengthening and softening.

Keywords

Yield Surface Triaxial Test Resolve Shear Stress Inelastic Strain Geological Material 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • V. N. Nikolaevskii
    • 1
  • J. R. Rice
    • 2
  1. 1.Institute of Physics of the EarthMoscowUSSR
  2. 2.Brown UniversityProvidenceUSA

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