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Article: Analysis of wedge stability using different methods

TitleAnalysis of wedge stability using different methods
Authors
KeywordsDilatancy
Factor Of Safety
Finite Element Method
Stability
Upper Bound
Wedge
Issue Date2004
PublisherSpringer-Verlag Wien. The Journal's web site is located at http://www.springer.at/rock_mechanics
Citation
Rock Mechanics And Rock Engineering, 2004, v. 37 n. 2, p. 127-150 How to Cite?
AbstractThe stability problem of a rock slope containing a wedge resting on two intersecting discontinuities is of great interest in rock slope engineering. It is a statistically indeterminate problem with two extra unknowns according to the force (stress) equilibrium analysis. The widely used limit equilibrium methods in practice assume that the directions of the shear forces acting on the two discontinuities are parallel to their line of intersection. The validity of this assumption, however, has not been verified theoretically. This paper presents a general limit equilibrium method that determines the directions of the shear forces by using Pan's "Maximum principle" and an upper bound method that applies the classic upper bound theorem of limit analysis to avoid making extra assumptions. The formulations of the two methods are derived. A non-symmetric wedge and a symmetric wedge are analyzed using the two derived methods. To further explore the influence on stability due to the direction of the shear force acting on the two discontinuities, three-dimensional finite-element analyses are also conducted. The results are compared and discussed.
Persistent Identifierhttp://hdl.handle.net/10722/175573
ISSN
2015 Impact Factor: 2.386
2015 SCImago Journal Rankings: 1.939
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWang, YJen_US
dc.contributor.authorYin, JHen_US
dc.contributor.authorChen, Zen_US
dc.contributor.authorLee, CFen_US
dc.date.accessioned2012-11-26T08:59:45Z-
dc.date.available2012-11-26T08:59:45Z-
dc.date.issued2004en_US
dc.identifier.citationRock Mechanics And Rock Engineering, 2004, v. 37 n. 2, p. 127-150en_US
dc.identifier.issn0723-2632en_US
dc.identifier.urihttp://hdl.handle.net/10722/175573-
dc.description.abstractThe stability problem of a rock slope containing a wedge resting on two intersecting discontinuities is of great interest in rock slope engineering. It is a statistically indeterminate problem with two extra unknowns according to the force (stress) equilibrium analysis. The widely used limit equilibrium methods in practice assume that the directions of the shear forces acting on the two discontinuities are parallel to their line of intersection. The validity of this assumption, however, has not been verified theoretically. This paper presents a general limit equilibrium method that determines the directions of the shear forces by using Pan's "Maximum principle" and an upper bound method that applies the classic upper bound theorem of limit analysis to avoid making extra assumptions. The formulations of the two methods are derived. A non-symmetric wedge and a symmetric wedge are analyzed using the two derived methods. To further explore the influence on stability due to the direction of the shear force acting on the two discontinuities, three-dimensional finite-element analyses are also conducted. The results are compared and discussed.en_US
dc.languageengen_US
dc.publisherSpringer-Verlag Wien. The Journal's web site is located at http://www.springer.at/rock_mechanicsen_US
dc.relation.ispartofRock Mechanics and Rock Engineeringen_US
dc.subjectDilatancyen_US
dc.subjectFactor Of Safetyen_US
dc.subjectFinite Element Methoden_US
dc.subjectStabilityen_US
dc.subjectUpper Bounden_US
dc.subjectWedgeen_US
dc.titleAnalysis of wedge stability using different methodsen_US
dc.typeArticleen_US
dc.identifier.emailLee, CF: leecf@hkucc.hku.hken_US
dc.identifier.authorityLee, CF=rp00139en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1007/s00603-003-0023-yen_US
dc.identifier.scopuseid_2-s2.0-2442572091en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-2442572091&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume37en_US
dc.identifier.issue2en_US
dc.identifier.spage127en_US
dc.identifier.epage150en_US
dc.identifier.isiWOS:000220726000003-
dc.publisher.placeAustriaen_US
dc.identifier.scopusauthoridWang, YJ=7601490331en_US
dc.identifier.scopusauthoridYin, JH=7401693397en_US
dc.identifier.scopusauthoridChen, Z=7409482216en_US
dc.identifier.scopusauthoridLee, CF=8068602600en_US

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