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对鹤煤集团公司三矿二水平北大巷围岩破坏机理进行了分析,制定了锚索支护技术加固方案,提出了工程技术要求,并对巷道进行表面位移监测,验证锚索支护效果。
The failure mechanism of surrounding rock of No.2 level north roadway of No. 3 mine of Hebi Coal Group Company was analyzed. The reinforcement scheme of anchor cable support technology was established, the engineering technical requirements were put forward, and surface displacement monitoring of roadway was carried out to verify the effect of anchor cable support.