Study on the post peak strain softening behavior of mudstone and the interaction between surrounding rock and supporting structure

被引：0

作者：

Sun, Chuang ^{[1
]}

Hui, Xinminnan ^{[1
]}

Zhang, Qiang ^{[2
]}

机构：

[1] School of Civil Engineering and Transportation, Liaoning Technical University, Fuxin,Liaoning,123000, China

[2] College of Mechanical Engineering, Liaoning Technical University, Fuxin,Liaoning,123000, China

来源：

Zhongguo Kuangye Daxue Xuebao/Journal of China University of Mining and Technology | 2016年 / 45卷 / 02期

关键词：

Sedimentary rocks - Testing;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Based on the theory of plastic mechanics, the relationship between the softening modulus and confining pressure were obtained using the three axis test method. The strain-softening model of mudstone was established considering the influence of confining pressure. Based FLAC3D development platform, the model in practical engineering was validated. The results show that the strain-softening model of mudstone considering the effect of dilatancy angle can react the nonlinear mechanical behavior of rock, and provide the basis for the realization of the quantitative to qualitative change. Practical application shows that the numerical results agree with the actual situation. © 2016, Editorial Board of Journal of CUMT. All right reserved.

引用

页码：254 / 260

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