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Article: A three-dimensional displacement discontinuity method for crack problems in layered rocks
Title | A three-dimensional displacement discontinuity method for crack problems in layered rocks | ||||||
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Authors | |||||||
Keywords | DDM Displacement discontinuity method Generalized Kelvin solution Layered rocks Square cracks Stress intensity factors | ||||||
Issue Date | 2011 | ||||||
Publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmms | ||||||
Citation | International Journal Of Rock Mechanics And Mining Sciences, 2011, v. 48 n. 3, p. 412-420 How to Cite? | ||||||
Abstract | A new displacement discontinuity method (DDM) is developed for the analysis of crack problems in layered strata. This approach is based on the fundamental solution of multilayered elastic solids. The discontinuous displacements of crack surfaces are treated as unknown quantities. In developing the DDM, discontinuous elements and special functions are applied to describe the variation of discontinuous displacements. The numerical method is used to calculate the hypersingular integral in the integral equation. Then, the numerical verification shows that the present results are in very good agreement with the existing ones. Finally, the proposed method is used to analyze the square crack in layered rocks, which consist of fine-grained sandstone and mudstone. The stress intensity factors (SIFs) are obtained for different cases including uniform and non-uniform loads. The results show that the heterogeneity of layered strata exerts a clear and quantitative influence on the SIFs of the cracks in layered rocks. © 2011 Elsevier Ltd. | ||||||
Persistent Identifier | http://hdl.handle.net/10722/139098 | ||||||
ISSN | 2023 Impact Factor: 7.0 2023 SCImago Journal Rankings: 2.331 | ||||||
ISI Accession Number ID |
Funding Information: The authors would like to thank the financial supports from the National Natural Science Foundation of China (No. 51079081) and The Special Fund of Tai-Shan Scholars of Shandong Province. | ||||||
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Xiao, HT | en_HK |
dc.contributor.author | Yue, ZQ | en_HK |
dc.date.accessioned | 2011-09-23T05:44:57Z | - |
dc.date.available | 2011-09-23T05:44:57Z | - |
dc.date.issued | 2011 | en_HK |
dc.identifier.citation | International Journal Of Rock Mechanics And Mining Sciences, 2011, v. 48 n. 3, p. 412-420 | en_HK |
dc.identifier.issn | 1365-1609 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/139098 | - |
dc.description.abstract | A new displacement discontinuity method (DDM) is developed for the analysis of crack problems in layered strata. This approach is based on the fundamental solution of multilayered elastic solids. The discontinuous displacements of crack surfaces are treated as unknown quantities. In developing the DDM, discontinuous elements and special functions are applied to describe the variation of discontinuous displacements. The numerical method is used to calculate the hypersingular integral in the integral equation. Then, the numerical verification shows that the present results are in very good agreement with the existing ones. Finally, the proposed method is used to analyze the square crack in layered rocks, which consist of fine-grained sandstone and mudstone. The stress intensity factors (SIFs) are obtained for different cases including uniform and non-uniform loads. The results show that the heterogeneity of layered strata exerts a clear and quantitative influence on the SIFs of the cracks in layered rocks. © 2011 Elsevier Ltd. | en_HK |
dc.language | eng | en_US |
dc.publisher | Pergamon. The Journal's web site is located at http://www.elsevier.com/locate/ijrmms | en_HK |
dc.relation.ispartof | International Journal of Rock Mechanics and Mining Sciences | en_HK |
dc.subject | DDM | en_HK |
dc.subject | Displacement discontinuity method | en_HK |
dc.subject | Generalized Kelvin solution | en_HK |
dc.subject | Layered rocks | en_HK |
dc.subject | Square cracks | en_HK |
dc.subject | Stress intensity factors | en_HK |
dc.title | A three-dimensional displacement discontinuity method for crack problems in layered rocks | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Yue, ZQ:yueqzq@hkucc.hku.hk | en_HK |
dc.identifier.authority | Yue, ZQ=rp00209 | en_HK |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.ijrmms.2011.02.005 | en_HK |
dc.identifier.scopus | eid_2-s2.0-79952621564 | en_HK |
dc.identifier.hkuros | 195958 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-79952621564&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 48 | en_HK |
dc.identifier.issue | 3 | en_HK |
dc.identifier.spage | 412 | en_HK |
dc.identifier.epage | 420 | en_HK |
dc.identifier.eissn | 1873-4545 | - |
dc.identifier.isi | WOS:000288425100007 | - |
dc.publisher.place | United Kingdom | en_HK |
dc.identifier.scopusauthorid | Xiao, HT=35738190300 | en_HK |
dc.identifier.scopusauthorid | Yue, ZQ=7102782735 | en_HK |
dc.identifier.citeulike | 8934051 | - |
dc.identifier.issnl | 1365-1609 | - |