摘要
本文着重介绍缓倾斜中厚,上盘围岩中稳到稳固性较差条件下的矿体的采矿方法改进实践过程.
This paper introduced emphatically to mining method for the ore-body of gentle dip and medium thickness under the condition of medium or poor stableness of country rocks in upper wall.
出处
《黄金》
CAS
北大核心
1990年第12期15-19,共5页
Gold
关键词
房柱法
中厚矿体
采矿
全面法
full-seam mining
room-and-pillar method
Ore-tramming by explosive force
open stope method
gentle dip and medium thickness orebody