A crack closure model for brittle rock subjected to compressive-shear loading

被引：0

作者：

Chen, F ^{[1
]}

Sun, ZQ ^{[1
]}

Xu, JC ^{[1
]}

机构：

[1] Cent S Univ Technol, Opening Lab Mech, Changsha 410083, Peoples R China

来源：

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 1999年 / 9卷 / 02期

关键词：

crack closure; compressive-shear loading; stress intensity factor;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Crack closure in brittle materials subjected to compressive-shear loading is studied to gain insight into compressive-shear 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 out-of-plane initiation and extension. Comparison shows that the K-I values at wing crack tips obtained by the present method agree well with the exact solution proposed by Horii and Nemat-Nasser. The comparison with other approximate model is also given.

引用

页码：427 / 432

页数：6

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