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针对告成煤矿中央泵房、中央变电所主硐室的变形破坏特点 ,采用深孔注浆 ,预应力锚索加固手段 ,成功阻止了围岩变形
According to the deformation and failure characteristics of the main pump house of central coal mine and the central substation of Chengcheng coal mine, deep-hole grouting and prestressed anchor reinforcement are used to stop the deformation of surrounding rock