摘要
巷道穿断层施工,围岩变形破碎严重,采用巷道壁后及底板锚注方式对巷道围岩进行加固,能有效控制围岩变形,取得较好的控制效果。
through tunnel surrounding rock deformation fault construction, seriously broken, the tunnel wall and floor of roadway surrounding rock anchoring and grouting reinforcement, can effectively control the deformation of surrounding rock, obtain better control effect.
出处
《科技信息》
2011年第29期I0383-I0383,I0396,共2页
Science & Technology Information
关键词
巷道支护
破碎围岩
注浆
Roadway in broken surrounding rock
Grouting
