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2 我国硬岩地下工程原岩应力水平及不同位置岩体的应力状态［图（a）~（c）的数据来源于Du et al.，2020a］

Fig.2 Geo-stress levels of underground hard rock engineering in China and the stress conditions of rock mass at different positions［Data in figures（a）~（c）are from Du et al.，2020a］