三轴压缩下单裂隙位置对复合岩样力学变形与破坏模式的影响

谢志英,许可,陆逸帆,肖桃李,折海成,赵云峰

Influence of Single Fissure Position on Mechanical Deformation and Failure Modes of Composite Rock Specimens Under Triaxial Compression

Zhiying XIE,Ke XU,Yifan LU,Taoli XIAO,Haicheng SHE,Yunfeng ZHAO

表4 完整岩样力学参数

Table 4 Mechanical parameters of complete rock specimens

岩样 峰值应力/MPa 弹性模量/GPa 峰值应变/% 灰岩 72.92 12.52 0.78 复合岩 42.84 8.47 0.85 砂岩 40.69 7.87 0.88