A Compressive Strength Criterion for Anisotropic Rock Materials

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contributor.author Ashour, H. A. en_US
date.accessioned 2009-11-25T13:04:47Z en_US
date.available 2009-11-25T13:04:47Z en_US
date.issued 1988 en_US
identifier.citation Engineering Journal of Qatar University, 1988, Vol. 1, Pages 11-21. en_US
identifier.uri http://hdl.handle.net/10576/7896 en_US
description.abstract This paper puts forward a general compressive strength criterion for anisotropic rock materials under multiaxial state of stress. The proposed criterion, is a generalization of the Von Mises yield criterion for ductile metals, which criterion has previously been used for brittle fracture as well, both being looked upon as limits of linear elastic behaviour. The proposed criterion takes into consideration the effects, on rock material failure under multiaxial stress state, of confining pressure, presence of various stress components, and material anisotropy. Relevant failure envelopes, for several types of rock materials, are compared with corresponding experimental results; close agreement being obtained in all cases. This result confirms the versatility and applicability of the proposed strength criterion in representing the compressive strength behaviour of anisotropic rock materials under complex multiaxial state of stress. en_US
language.iso en en_US
publisher Qatar University en_US
subject Engineering Materials en_US
title A Compressive Strength Criterion for Anisotropic Rock Materials en_US
type Article en_US
identifier.pagination 11-21 en_US
identifier.volume 1 en_US


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