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结合海孜矿 1 0煤层赋存状况围岩特性 ,研究并提出了沿空送巷留设窄小煤柱方案 ,同时对沿空送巷支护工艺进行改革 ,成功地实施了煤巷锚杆支护 ,提高了矿井资源回收率 ,满足了安全需要 ,取得了较好的效果。
Combined with the characteristics of the surrounding rock of the 10 seam in Haizi mine, the scheme of leaving small coal pillars in the roadway along the tunnel was proposed and the support technology for the roadway was advanced. The bolt Support and improve mine recovery rate of resources to meet the security needs and achieved good results.