The stoping scheme of sublevel caving and continuous mining was optimized, and optimization design of driving work was carried out.
优选出了分段凿岩连续崩矿回采方案,并对采切工程进行了优化设计。
2
Medium and deep hole casting blast sublevel open stoping method is suggested and its suitability to the stope ground pressure is expounded.
提出了中深孔抛掷爆破分段空场法,并阐明其对采场地压的适应性。
3
To fully exploit the resources, Qingtonggou Mercury-antimony Mine adopts the sublevel open stoping with delayed filling to recover the remanent ore-body at the medium stage of 550~600 m.