摘要
赤峰国维矿由于民采遗留下大量半截采场,积压了大量的矿石,并造成了地压隐患。残留矿石赋存条件复杂,且850m水平以上无法布置回采工程。经过研究,决定在840m水平布置凿岩巷道,进行束状孔强制崩落。方案实施后,回收了矿石资源,并成功处理了地压隐患。
Many half stopes are left by disorder mining in Chifeng Guowei Mine,overstocking lots of ore and causing risks of pressure.Mining condition is so complicated that mining projects can not be arranged above 850m level.After studying,mining tunnels are arranged in 840m level,caving with bundle holes is used to recovery residual ore.The goals of recovering residual ore and solving risks of pressure are successfully achieved.
出处
《中国矿业》
北大核心
2011年第3期69-70,85,共3页
China Mining Magazine
关键词
多空区
残矿回收
地压隐患
束状孔强制崩落
mined-out zones
recovery of residual ore
risks of pressure
caving with bundle holes
