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随着锚索支护技术不断在煤矿中的推广与应用,回采工作面的沿空留巷的顶板支护由采煤来完成,即浪费材料又增加人工费,如果回采时需要留巷的巷道支护在掘进中顶板直接采用锚索锚网联合支护,则是一种安全施工又能节约材料和人工费的有效措施。
With the continuous support technology of anchor cable in the promotion and application of coal mines, roof support for gob-side entry retaining in mining face is completed by coal mining, which means waste of materials and labor costs. Support in the tunneling roof directly with anchor and anchor network support, it is a safe construction but also save material and labor costs effective measures.