Stury of post-failure constitutive relation based on SMP criterion

摘要：

　　In this paper,based on SMP criteria,combination of strain softening of rock material mechanics theory,the after peak friction angle (p) for the intermediate variables,the residual train ε to express the after peak nonlinear elastic modulus E,and finally establish a unified non-linear constitutive model of the rock peak residual stress.Combination Xiao Guanzhuang Eastern Mine typical breakdown rock of diorite triaxial test,get stress-strain curves for different confining pressures by this model.It shows that peak constitutive relation of this study can simulate the experimental results,prove the rationality of the model.

关键词： SMP strength criterion post-failure behavior confining pressure strain softening

作者: Jian-ming ZHU Ze-xiang WU Qi ZHAO Chong-Yang

作者单位: College of Architecture Engineering,North China University of Technology,Beijing 100144,China

会议类型: 国际会议

会议名称: 2013 International Conference on Advanced Engineering Materials and Architecture Sciences(2013先进工程材料与建筑科学国际会议)(ICAEMAS 2013)

会议地点: 西安

会议语种:英文

页码: 426-429

在线出版日期: 2013-07-27（万方平台首次上网日期，不代表论文的发表时间）