Analysis of Failure Mode and Propagation for Crack in Uniaxial Compression

被引：1
|
作者：
Sun, Yazhen [1 ]
Zhai, Xiaoxing [1 ]
Liu, Jiemin [1 ]
机构：
[1] Shenyang Jianzhu Univ, Shenyang 110168, Peoples R China
来源：
PROGRESS IN STRUCTURE, PTS 1-4 | 2012年 / 166-169卷
关键词：
failure mode; inclind crack in uniaxial compression; wing crack; dimensionless stress intensity factor; FRACTURE;
D O I：
10.4028/www.scientific.net/AMM.166-169.2929
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper analyzed the failure mode for crack in uniaxial compression according to the stress intensity factor, and obtain that the failure mode for crack in uniaxial compression is compression-shear. The wing crack was deformed, after the crack tip initiate. By analyzing the dimensionless stress intensity factor, we obtain that the failure mode for wing crack in uniaxial compression is tension-shear, and we obtain that the dimensionless stress intensity factor for wing crack decreased with inclined angle increased. The inclined crack propagation in uniaxial compression was numerically studied using rock failure process analysis code (rfpa), and obtain that one inclined crack in uniaxial compression formed mode I offset crack parallel to load direction in the end. The numerical results of failure mode are accordance with stress intensity factor.
引用
收藏
页码：2929 / 2932
页数：4
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