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A CRACK CLOSURE MODEL FOR BRITTLE ROCK SUBJECTED TO COMPRESSIVE-SHEAR LOADING 被引量:4

A CRACK CLOSURE MODEL FOR BRITTLE ROCK SUBJECTED TO COMPRESSIVESHEAR LOADING
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摘要 1INTRODUCTIONCompressionshearfractureofrockwasinvestigatedbymanyresearchers,Raoetal[1]studiedthisfailuremodeusingfourpointb... Crack closure in brittle materials subjected to compressiveshear loading is studied to gain insight into compressiveshear failure mechanism. An analytical wing crack model for the stress intensity factors is developed in the light of superimposition principle. The model can be successfully used to predict outofplane initiation and extension. Comparison shows that the K values at wing crack tips obtained by the present method agree well with the exact solution proposed by Horii and NematNasser. The comparison with other approximate model is also given.
机构地区 Cent S Univ Technol
出处 《中国有色金属学会会刊:英文版》 CSCD 1999年第2期223-228,共6页 Transactions of Nonferrous Metals Society of China
关键词 CRACK closurecompressiveshear loadingstress INTENSITY factor crack closurecompressiveshear loadingstress intensity factor
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同被引文献17

  • 1王卫华,李夕兵,张义平,左宇军.Closure behavior of rock joint under dynamic loading[J].Journal of Central South University of Technology,2007,14(3):408-412. 被引量:6
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  • 10邬爱清,任放,董学晟.DDA数值模型及其在岩体工程上的初步应用研究[J].岩石力学与工程学报,1997,16(5):411-417. 被引量:51

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