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Stress‐Strain Behavior of Jointed Rock
The stress strain behavior of intact rock with random grain structure is described by Hooke's law for isotropic elasticity. Intact rock with planar grain structure is correspondingly described by transverse anisotropy. Mohr Coulomb's failure criterion is used to describe the isotropic and anisotropic strength respectively for this material.
For the analyzes of brittle and ductile post failure behavior of intact rocks the theory of viscoplasticity is applied.
Accordingly strength and post failure behavior of discontinuities is formulated.
For the rock mass the stress strain behavior of both components intact rock and discontinuities is superimposed leading to isotropic and anisotropic homogeneous and discrete models with elastic viscoplasticity stress strain behavior.
Stress‐Strain Behavior of Jointed Rock
The stress strain behavior of intact rock with random grain structure is described by Hooke's law for isotropic elasticity. Intact rock with planar grain structure is correspondingly described by transverse anisotropy. Mohr Coulomb's failure criterion is used to describe the isotropic and anisotropic strength respectively for this material.
For the analyzes of brittle and ductile post failure behavior of intact rocks the theory of viscoplasticity is applied.
Accordingly strength and post failure behavior of discontinuities is formulated.
For the rock mass the stress strain behavior of both components intact rock and discontinuities is superimposed leading to isotropic and anisotropic homogeneous and discrete models with elastic viscoplasticity stress strain behavior.
Stress‐Strain Behavior of Jointed Rock
Wittke, Walter (author)
2014-03-31
52 pages
Article/Chapter (Book)
Electronic Resource
German
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