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
图7 巷道围岩塑性区及垂直位移(未支护)
Fig.7 Plastic zone and vertical displacement of surrounding rock in roadway(unsupported)