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Tunnelling in overstressed rock

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dc.contributor.author Hoek, E en
dc.contributor.author Marinos, PG en
dc.date.accessioned 2014-03-01T02:52:47Z
dc.date.available 2014-03-01T02:52:47Z
dc.date.issued 2010 en
dc.identifier.uri http://hdl.handle.net/123456789/36066
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-79961031975&partnerID=40&md5=42e2953ccf0d36085b7d83455d4b0952 en
dc.subject.other Empirical techniques en
dc.subject.other Insitu stress en
dc.subject.other Intact rocks en
dc.subject.other Overstressing en
dc.subject.other Rock mass en
dc.subject.other Shear failure en
dc.subject.other Shear zone en
dc.subject.other Tunnel stability en
dc.subject.other Brittle fracture en
dc.subject.other Numerical analysis en
dc.subject.other Rock mechanics en
dc.subject.other Rocks en
dc.subject.other Safety engineering en
dc.subject.other Tunnels en
dc.title Tunnelling in overstressed rock en
heal.type conferenceItem en
heal.publicationDate 2010 en
heal.abstract Overstressing of the rock surrounding a tunnel can result in either brittle fracture of the intact rock or shear failure along pre-existing discontinuities such as joints or shear zones. These two types of failure can co-exist and the extent to which the failures propagate depends upon the characteristics of the rock mass, the magnitude and directions of the in situ stresses, the shape of the tunnel and the intensity and orientation of the discontinuities. Numerical analysis plays an increasingly important role in the assessment of tunnel stability and design of reinforcement and support. Rapid evolution of computer software and hardware offers the potential for the calibration or possible elimination of some of the empirical techniques upon which tunnel designers have to rely. © 2010 Taylor & Francis Group, London. en
heal.journalName Rock Engineering in Difficult Ground Conditions - Soft Rocks and Karst - Proceedings of the Regional Symposium of the International Society for Rock Mechanics, EUROCK 2009 en
dc.identifier.spage 49 en
dc.identifier.epage 60 en


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