Titlebook: Rock Anisotropy and the Theory of Stress Measurements; Bernard Amadei Book 1983 Springer-Verlag Berlin Heidelberg 1983 Anisotropie.Felsdyn

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Summary and Conclusions,racter of the rock deformability is required. In this study, the latter is described using the constitutive relations of the theory of linear elasticity for anisotropic media. Directions of elastic symmetry are assumed to coincide with the apparent directions of rock anisotropy. The extent to which

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Influence of Rock Anisotropy on Stress Measurements by Overcoring Techniques,Except for a few techniques that attempt to measure the state of stress directly, most involve the measurement of strains or displacements resulting from disturbing the state of stress in the rock. Strains or displacements are related to stresses through assumptions about material behavior.

Prologue

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https://doi.org/10.1007/978-3-642-82040-3Anisotropie; Felsdynamik; Gestein; Spannungsmessung; Stress; Transformation; calculus; geometry

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Strength of Anisotropic Rocks,sotropic rocks also varies with spatial orientation. Intuitively, both deformability and strength must be affected by the anisotropic character especially if there is symmetry of any kind. The presentation of this chapter follows along the lines of the previous one in focussing on two points:

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Elastic Equilibrium of an Anisotropic Homogeneous Body Bounded Internally by a Cylindrical Surface al surface of arbitrary cross section. The medium is subjected to body and surface forces. The work of Lekhnitskii (1963) is heavily referenced and used as a guide line for the present analysis. His model is extended to include the influence of a boundary stress component parallel to the hole axis.

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