论文部分内容阅读
软岩沿空留巷对荣华矿来说是一个新的课题,通过10#C下层右二/右三路留巷的实践,为鸡西矿深部开采及软岩留巷提供了宝贵经验,降低了掘进成本,缓解了采面接续。
The soft gob-side entry retaining is a new issue for Ronghua Mine. The practice of retaining the gateway for the second and the third right under the No.10 # C floor provided precious experience for deep mining and soft rock stay-alley in Jixi Mine and reduced Driving costs, ease the mining face to continue.