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Article: Study on the mesostructure and mesomechanical characteristics of the soil-rock mixture using digital image processing based finite element method

TitleStudy on the mesostructure and mesomechanical characteristics of the soil-rock mixture using digital image processing based finite element method
Authors
KeywordsDigital Image Processing Based Finite Element Method (Dip-Fem)
Direct Shear Test
Maximum Observed Diameter (Mod)
Mesostructure
Soil-Rock Mixture (Srm)
Issue Date2008
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmms
Citation
International Journal Of Rock Mechanics And Mining Sciences, 2008, v. 45 n. 5, p. 749-762 How to Cite?
AbstractThe soil-rock mixture (SRM) is a kind of inhomogeneous geomaterial, which poses difficulties of in situ sample acquisition and in laboratory geomaterial tests; hence, the study of the SRM's mechanical properties is still at an early stage. In this paper, the technique of digital image processing based on the finite element method (DIP-FEM) is introduced to study SRMs in the Leaping Tiger Gorge Reservoir Area, China. Based on the DIP, the mesostructural characteristics of the SRM are analyzed statistically. The mesostructural concept model of SRM that can actually represent the inhomogeneity of SRM is built. By using geometry vectorizaiton transformation, the mesostructural model of SRM in the binary image format has been translated into a vector format (such as DWG or DXF format) which can be imported into the finite element software. By using the finite element method, two large-scale direct shear tests of inhomogeneous SRM and homogeneous soil are simulated. The numerical results indicate that the existence of "rock" blocks in SRM will greatly influence the distribution and the failure models of the internal stress field. As a result, three kinds of failure models of the SRM are put forward. © 2007 Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/150445
ISSN
2015 Impact Factor: 2.01
2015 SCImago Journal Rankings: 2.134
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorXu, Wjen_US
dc.contributor.authorYue, Zqen_US
dc.contributor.authorHu, Rlen_US
dc.date.accessioned2012-06-26T06:04:50Z-
dc.date.available2012-06-26T06:04:50Z-
dc.date.issued2008en_US
dc.identifier.citationInternational Journal Of Rock Mechanics And Mining Sciences, 2008, v. 45 n. 5, p. 749-762en_US
dc.identifier.issn1365-1609en_US
dc.identifier.urihttp://hdl.handle.net/10722/150445-
dc.description.abstractThe soil-rock mixture (SRM) is a kind of inhomogeneous geomaterial, which poses difficulties of in situ sample acquisition and in laboratory geomaterial tests; hence, the study of the SRM's mechanical properties is still at an early stage. In this paper, the technique of digital image processing based on the finite element method (DIP-FEM) is introduced to study SRMs in the Leaping Tiger Gorge Reservoir Area, China. Based on the DIP, the mesostructural characteristics of the SRM are analyzed statistically. The mesostructural concept model of SRM that can actually represent the inhomogeneity of SRM is built. By using geometry vectorizaiton transformation, the mesostructural model of SRM in the binary image format has been translated into a vector format (such as DWG or DXF format) which can be imported into the finite element software. By using the finite element method, two large-scale direct shear tests of inhomogeneous SRM and homogeneous soil are simulated. The numerical results indicate that the existence of "rock" blocks in SRM will greatly influence the distribution and the failure models of the internal stress field. As a result, three kinds of failure models of the SRM are put forward. © 2007 Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmmsen_US
dc.relation.ispartofInternational Journal of Rock Mechanics and Mining Sciencesen_US
dc.subjectDigital Image Processing Based Finite Element Method (Dip-Fem)en_US
dc.subjectDirect Shear Testen_US
dc.subjectMaximum Observed Diameter (Mod)en_US
dc.subjectMesostructureen_US
dc.subjectSoil-Rock Mixture (Srm)en_US
dc.titleStudy on the mesostructure and mesomechanical characteristics of the soil-rock mixture using digital image processing based finite element methoden_US
dc.typeArticleen_US
dc.identifier.emailYue, Zq:yueqzq@hkucc.hku.hken_US
dc.identifier.authorityYue, Zq=rp00209en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.ijrmms.2007.09.003en_US
dc.identifier.scopuseid_2-s2.0-41549149647en_US
dc.identifier.hkuros149780-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-41549149647&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume45en_US
dc.identifier.issue5en_US
dc.identifier.spage749en_US
dc.identifier.epage762en_US
dc.identifier.isiWOS:000255623200009-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridXu, Wj=10140794200en_US
dc.identifier.scopusauthoridYue, Zq=7102782735en_US
dc.identifier.scopusauthoridHu, Rl=7202640738en_US

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