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Article: Location of critical three-dimensional non-spherical failure surface by NURBS functions and ellipsoid with applications to highway slopes

TitleLocation of critical three-dimensional non-spherical failure surface by NURBS functions and ellipsoid with applications to highway slopes
Authors
KeywordsLimit equilibrium
NURBS surface
Slope
Stability analysis
Issue Date2005
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compgeo
Citation
Computers And Geotechnics, 2005, v. 32 n. 6, p. 387-399 How to Cite?
Abstract
At present, location of critical three-dimensional failure surfaces is mainly limited to spherical shape due to the various difficulties in performing global optimization for general non-spherical failure surface. Non-spherical failure surface is however the most general and critical shape that should be considered in slope stability analysis. This paper introduces a practical way in using NURBS surface and ellipsoidal surface to simulate a three-dimensional sliding surface. Numerical examples have indicated that the present proposal is effective in application and the critical failure surfaces as determined for 2 specially designed problems are also reasonable. The authors have also applied the optimization search to a curved highway slope and have obtained the relation between curvature of slope and the minimum factors of safety of slope. © 2005 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71789
ISSN
2013 Impact Factor: 1.647
2013 SCImago Journal Rankings: 2.244
ISI Accession Number ID
References

 

Author Affiliations
  1. The University of Hong Kong
  2. Hong Kong Polytechnic University
DC FieldValueLanguage
dc.contributor.authorCheng, YMen_HK
dc.contributor.authorLiu, HTen_HK
dc.contributor.authorWei, WBen_HK
dc.contributor.authorAu, SKen_HK
dc.date.accessioned2010-09-06T06:35:11Z-
dc.date.available2010-09-06T06:35:11Z-
dc.date.issued2005en_HK
dc.identifier.citationComputers And Geotechnics, 2005, v. 32 n. 6, p. 387-399en_HK
dc.identifier.issn0266-352Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/71789-
dc.description.abstractAt present, location of critical three-dimensional failure surfaces is mainly limited to spherical shape due to the various difficulties in performing global optimization for general non-spherical failure surface. Non-spherical failure surface is however the most general and critical shape that should be considered in slope stability analysis. This paper introduces a practical way in using NURBS surface and ellipsoidal surface to simulate a three-dimensional sliding surface. Numerical examples have indicated that the present proposal is effective in application and the critical failure surfaces as determined for 2 specially designed problems are also reasonable. The authors have also applied the optimization search to a curved highway slope and have obtained the relation between curvature of slope and the minimum factors of safety of slope. © 2005 Elsevier Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/compgeoen_HK
dc.relation.ispartofComputers and Geotechnicsen_HK
dc.subjectLimit equilibriumen_HK
dc.subjectNURBS surfaceen_HK
dc.subjectSlopeen_HK
dc.subjectStability analysisen_HK
dc.titleLocation of critical three-dimensional non-spherical failure surface by NURBS functions and ellipsoid with applications to highway slopesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0266-352X&volume=32&issue=6&spage=387&epage=399&date=2005&atitle=Location+of+critical+three-dimensional+non-spherical+failure+surface+by+NURBS+functions+and+ellipsoid+with+applications+to+highway+slopesen_HK
dc.identifier.emailAu, SK: skau@hkucc.hku.hken_HK
dc.identifier.authorityAu, SK=rp00082en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.compgeo.2005.07.004en_HK
dc.identifier.scopuseid_2-s2.0-28044460831en_HK
dc.identifier.hkuros111690en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-28044460831&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume32en_HK
dc.identifier.issue6en_HK
dc.identifier.spage387en_HK
dc.identifier.epage399en_HK
dc.identifier.isiWOS:000233681600001-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridCheng, YM=7404914606en_HK
dc.identifier.scopusauthoridLiu, HT=9436788400en_HK
dc.identifier.scopusauthoridWei, WB=15830735000en_HK
dc.identifier.scopusauthoridAu, SK=7005391185en_HK

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