不同应力条件下硬岩强度与破裂特性试验研究

杜坤,杨颂歌,苏睿,杨成志,王少锋

Experimental Study on Strength and Fracture Characteristics of Hard Rock Under Different Stress Conditions

Kun DU,Songge YANG,Rui SU,Chengzhi YANG,Shaofeng WANG

图9 双轴压缩试验下花岗岩破坏模式与中间主应力σ2的关系（Du et al.，2021）

Fig.9 Relationship between failure mode and intermediate principal stress σ2 of granite under biaxial compression test（Du et al.，2021）