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AuthorAshour, H. A.
Available date2009-11-25T13:04:47Z
Publication Date1988
Publication NameEngineering Journal of Qatar University
CitationEngineering Journal of Qatar University, 1988, Vol. 1, Pages 11-21.
URIhttp://hdl.handle.net/10576/7896
AbstractThis 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.
Languageen
PublisherQatar University
SubjectEngineering Materials
TitleA Compressive Strength Criterion for Anisotropic Rock Materials
TypeArticle
Pagination11-21
Volume Number1
dc.accessType Open Access


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