千米深井高应力破碎围岩控制技术
王成龙,侯成录,杨尚欢,赵兴东

Control Technology of High Stress Broken Surrounding Rock in Kilometer Deep Shaft
Chenglong WANG,Chenglu HOU,Shanghuan YANG,Xingdong ZHAO
表3 岩体力学参数
Table 3 Mechanical properties of rock mass
参数名称数值
抗压强度σc/MPa3.477
抗拉强度σt/MPa-0.003
弹性模量E/Gpa0.48
内聚力c/MPa1.17
内摩擦角φ/(°)22.3