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简要介绍了金山店铁矿采用充填采矿法的紧迫性以及进行试验矿块作业的必要性。根据试验矿块的开采技术条件,结合矿山目前的具体情况,选择分段凿岩阶段嗣后充填采矿法,并对采准切割、回采等采矿工艺进行了设计。最后,结合试验采场现场作业中遇到的问题,提出补强锚索预控顶支护的建议,保障了下部采场的正常作业,解决了从崩落法向充填法的过渡问题。
This paper briefly introduces the urgency of filling mining method in Jinshandian Iron Mine and the necessity of carrying out the test ore block operation. According to the mining conditions of the test nuggets, combined with the current situation of the mines, the subsea rock drilling is selected and the later mining methods are adopted. The mining technologies such as cutting and mining are also designed. Finally, based on the problems encountered in the field work of the test stope, the paper puts forward the suggestion of reinforcing the pre-control roof support of the anchor cable, guarantees the normal operation of the lower stope, and solves the transition from the normal filling method.