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Numerical Analysis of Cylindrical Cavity Expansion in Sand Considering Particle Crushing and Intermediate Principal Stress |
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| Authors: | HAO Dongxue LUAN Maotian LI Bo CHEN Rong |
| Institution: | 1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116085, China ;School of Civil and Architecture Engineering, Northeast Dianli University, Jilin 132012, China 2. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116085, China 3. Water Resources College, Shenyang Agriculture University, Shenyang 110161, China |
| Abstract: | Considering the effects of particle crushing and intermediate principal stress on material yielding strength, the spatial mobilization plane(SMP) yielding criterion and state parameter model including a general critical state line are selected in the analysis of cylindrical cavity expansion.Meanwhile, combining Rowe's flow rule and Bolton's simplification to stress-dilatancy relationship to reflect soil shear dilatancy and softening behavior, this paper analyzes the problem of cylindrical cavity expansion i... |
| Keywords: | spatial mobilization plane(SMP) theory particle crushing strain-softening discretization analysis plastic zone |
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