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Article: Active and passive critical slip fields for cohesionless soils and calculation of lateral earth pressures

TitleActive and passive critical slip fields for cohesionless soils and calculation of lateral earth pressures
Authors
KeywordsEarth pressure
Failure
Numerical modelling and analysis
Retaining walls
Issue Date2001
PublisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.geotechnique-ice.com
Citation
Geotechnique, 2001, v. 51 n. 5, p. 407-423 How to Cite?
AbstractA new method of solving earth pressure problems is proposed in this paper within the framework of the limit equilibrium approach. The concept of the critical slip field (CSF) is postulated: the active critical slip field (ACSF) in the active case, and the passive critical slip field (PCSF) in the passive case. Based on the principle of extremum thrust force (which is theoretically consistent with the principle of optimality) in conjunction with the method of slices, a numerical procedure is presented for the determination of such fields and consequently the distribution of earth pressures on retaining walls. For simplicity at this stage, the backfill material is assumed to be a homogeneous cohesionless soil with sloping ground surface carrying uniform and vertical surcharge, while the retaining wall is allowed to be battered, and the strength of the soil may be either fully or partially mobilised. Compared with the rigorous method (i.e. the method of characteristics), the proposed method is simple in principle and easily implemented in a computer program. However, it is more accurate than other approximate techniques and agrees well with available closed-form solutions. A number of examples of ACSF and PCSF are given in this paper, and the validity and efficiency of the proposed method are demonstrated. In addition, it is easy to extend this numerical procedure to obtain more general ACSF and PCSF accomodating non-homogeneous c, Ø soils subject to complicated loading conditions.
Persistent Identifierhttp://hdl.handle.net/10722/70680
ISSN
2015 Impact Factor: 2.0
2015 SCImago Journal Rankings: 2.837
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhu, DYen_HK
dc.contributor.authorQian, QHen_HK
dc.contributor.authorLee, CFen_HK
dc.date.accessioned2010-09-06T06:25:08Z-
dc.date.available2010-09-06T06:25:08Z-
dc.date.issued2001en_HK
dc.identifier.citationGeotechnique, 2001, v. 51 n. 5, p. 407-423en_HK
dc.identifier.issn0016-8505en_HK
dc.identifier.urihttp://hdl.handle.net/10722/70680-
dc.description.abstractA new method of solving earth pressure problems is proposed in this paper within the framework of the limit equilibrium approach. The concept of the critical slip field (CSF) is postulated: the active critical slip field (ACSF) in the active case, and the passive critical slip field (PCSF) in the passive case. Based on the principle of extremum thrust force (which is theoretically consistent with the principle of optimality) in conjunction with the method of slices, a numerical procedure is presented for the determination of such fields and consequently the distribution of earth pressures on retaining walls. For simplicity at this stage, the backfill material is assumed to be a homogeneous cohesionless soil with sloping ground surface carrying uniform and vertical surcharge, while the retaining wall is allowed to be battered, and the strength of the soil may be either fully or partially mobilised. Compared with the rigorous method (i.e. the method of characteristics), the proposed method is simple in principle and easily implemented in a computer program. However, it is more accurate than other approximate techniques and agrees well with available closed-form solutions. A number of examples of ACSF and PCSF are given in this paper, and the validity and efficiency of the proposed method are demonstrated. In addition, it is easy to extend this numerical procedure to obtain more general ACSF and PCSF accomodating non-homogeneous c, Ø soils subject to complicated loading conditions.en_HK
dc.languageengen_HK
dc.publisherThomas Telford (ICE Publishing). The Journal's web site is located at http://www.geotechnique-ice.comen_HK
dc.relation.ispartofGeotechniqueen_HK
dc.rightsGeotechnique. Copyright © Thomas Telford Ltd.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPermission is granted by ICE Publishing to print one copy for personal use. Any other use of these PDF files is subject to reprint fees-
dc.subjectEarth pressureen_HK
dc.subjectFailureen_HK
dc.subjectNumerical modelling and analysisen_HK
dc.subjectRetaining wallsen_HK
dc.titleActive and passive critical slip fields for cohesionless soils and calculation of lateral earth pressuresen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0016-8505&volume=51 &issue=5&spage=407 &epage= 423&date=2001&atitle=Active+and+Passive+Critical+Slip+Fields+for+Cohesionless+Soils+and+Calculation+of+Lateral+Earth+Pressuresen_HK
dc.identifier.emailLee, CF: leecf@hkucc.hku.hken_HK
dc.identifier.authorityLee, CF=rp00139en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1680/geot.51.5.407.39970en_HK
dc.identifier.scopuseid_2-s2.0-0035382123en_HK
dc.identifier.hkuros61171en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035382123&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume51en_HK
dc.identifier.issue5en_HK
dc.identifier.spage407en_HK
dc.identifier.epage423en_HK
dc.identifier.isiWOS:000169494000003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZhu, DY=7403599340en_HK
dc.identifier.scopusauthoridQian, QH=7102168548en_HK
dc.identifier.scopusauthoridLee, CF=8068602600en_HK

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