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Article: A displacement-based back-analysis method for rock mass modulus and horizontal in situ stress in tunneling - Illustrated with a case study

TitleA displacement-based back-analysis method for rock mass modulus and horizontal in situ stress in tunneling - Illustrated with a case study
Authors
Keywords3-D FEPT
Back-analysis
Displacements
Field tests
In situ stresses
Modulus
Issue Date2006
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/tust
Citation
Tunnelling And Underground Space Technology, 2006, v. 21 n. 6, p. 636-649 How to Cite?
AbstractThis paper presents a displacement based back-analysis method for the determination of rock mass modulus (E) and the horizontal in situ stress (P) perpendicular to the axis line of the tunnel excavation in hard and intact rock masses. The rock mass is assumed to respond in an isotropic and linear elastic manner. Essentially, the method is a best-fit solution of back-analysis by comparing the measured displacements near a tunnel face during excavation with those calculated using a three-dimensional finite element method. The method can be applied efficiently and effectively by iterative algorithms such as direct search technique and damping least square technique. In particular, a three-dimensional finite element pattern technique (3-D FEPT) is used to compute the theoretical displacements for saving computation time. The method is further illustrated with a case study. The case study deals with a test adit at Zhanghewan Pumped Storage Power Station in Hebei Province, North China. It is shown that the back-analyzed results of E and P are reliable and representative for the actual rock masses. © 2005 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71726
ISSN
2015 Impact Factor: 1.741
2015 SCImago Journal Rankings: 2.023
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, LQen_HK
dc.contributor.authorYue, ZQen_HK
dc.contributor.authorYang, ZFen_HK
dc.contributor.authorQi, JXen_HK
dc.contributor.authorLiu, FCen_HK
dc.date.accessioned2010-09-06T06:34:37Z-
dc.date.available2010-09-06T06:34:37Z-
dc.date.issued2006en_HK
dc.identifier.citationTunnelling And Underground Space Technology, 2006, v. 21 n. 6, p. 636-649en_HK
dc.identifier.issn0886-7798en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71726-
dc.description.abstractThis paper presents a displacement based back-analysis method for the determination of rock mass modulus (E) and the horizontal in situ stress (P) perpendicular to the axis line of the tunnel excavation in hard and intact rock masses. The rock mass is assumed to respond in an isotropic and linear elastic manner. Essentially, the method is a best-fit solution of back-analysis by comparing the measured displacements near a tunnel face during excavation with those calculated using a three-dimensional finite element method. The method can be applied efficiently and effectively by iterative algorithms such as direct search technique and damping least square technique. In particular, a three-dimensional finite element pattern technique (3-D FEPT) is used to compute the theoretical displacements for saving computation time. The method is further illustrated with a case study. The case study deals with a test adit at Zhanghewan Pumped Storage Power Station in Hebei Province, North China. It is shown that the back-analyzed results of E and P are reliable and representative for the actual rock masses. © 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/tusten_HK
dc.relation.ispartofTunnelling and Underground Space Technologyen_HK
dc.subject3-D FEPTen_HK
dc.subjectBack-analysisen_HK
dc.subjectDisplacementsen_HK
dc.subjectField testsen_HK
dc.subjectIn situ stressesen_HK
dc.subjectModulusen_HK
dc.titleA displacement-based back-analysis method for rock mass modulus and horizontal in situ stress in tunneling - Illustrated with a case studyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0886-7798&volume=21&spage=636&epage=649&date=2006&atitle=A+displacement-based+back-analysis+method+for+rock+mass+modulus+and+horizontal+in+situ+stress+in+tunneling+-+Illustrated+with+a+case+studyen_HK
dc.identifier.emailYue, ZQ:yueqzq@hkucc.hku.hken_HK
dc.identifier.authorityYue, ZQ=rp00209en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.tust.2005.12.001en_HK
dc.identifier.scopuseid_2-s2.0-33745053079en_HK
dc.identifier.hkuros117936en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33745053079&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume21en_HK
dc.identifier.issue6en_HK
dc.identifier.spage636en_HK
dc.identifier.epage649en_HK
dc.identifier.isiWOS:000238867700006-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridZhang, LQ=25623890300en_HK
dc.identifier.scopusauthoridYue, ZQ=7102782735en_HK
dc.identifier.scopusauthoridYang, ZF=8288205900en_HK
dc.identifier.scopusauthoridQi, JX=14012344000en_HK
dc.identifier.scopusauthoridLiu, FC=12762032600en_HK

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