Point load strength determination of anisotropic rocks

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dc.contributor.author Saroglou, H en
dc.contributor.author Tsiambaos, G en
dc.date.accessioned 2014-03-01T02:50:51Z
dc.date.available 2014-03-01T02:50:51Z
dc.date.issued 2006 en
dc.identifier.uri http://hdl.handle.net/123456789/35162
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-55549143683&partnerID=40&md5=64d4afba11dae800b0478b35db50e156 en
dc.subject anisotropy en
dc.subject rock strength en
dc.subject uniaxial compression en
dc.subject rock testing en
dc.subject.other Anisotropy en
dc.subject.other Flow of fluids en
dc.subject.other Metamorphic rocks en
dc.subject.other Rock mechanics en
dc.subject.other Rocks en
dc.subject.other Testing en
dc.subject.other Anisotropic rocks en
dc.subject.other Bedding planes en
dc.subject.other Degree of strengths en
dc.subject.other Directional variations en
dc.subject.other Loading directions en
dc.subject.other Point load tests en
dc.subject.other Point loads en
dc.subject.other Rock strengths en
dc.subject.other Strength anisotropies en
dc.subject.other Uniaxial compressions en
dc.subject.other Uniaxial strengths en
dc.subject.other Mechanics en
dc.title Point load strength determination of anisotropic rocks en
heal.type conferenceItem en
heal.publicationDate 2006 en
heal.abstract The advantages and limitations of point load test have been extensively discussed in literature. Although, the point load strength can be representative of the uniaxial strength of isotropic rocks, it can be misleading in the case of anisotropic rocks due to the presence of foliation or bedding planes. The foliated nature of most metamorphic rocks suggests a directional variation in their point load strength. The paper describes results from tests performed on anisotropic rocks, according to the suggested method by ISRM but also using alternative loading directions in the diametral test. The strength anisotropy index Ia(50) was determined for these rocks and has been compared to the degree of strength anisotropy as measured in specimens tested under uniaxial compression. Finally, a new anisotropy index is proposed and suggestions are made in using point load test for the classification of rock strength anisotropy. © 2006 Taylor & Francis Group. en
heal.journalName Proceedings of the International Symposium of the International Society for Rock Mechanics, Eurock 2006 - Eurock 2006 Multiphysics Coupling and Long Term Behaviour in Rock Mechanics en
dc.identifier.spage 603 en
dc.identifier.epage 608 en

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