摘要
本文介绍鹤庆锰矿在使用片石人工柱代替天然矿柱回采优质富锰矿石时,人工柱的砌筑工艺,安全系数,实践中存在问题,改进办法和主要技术经济指标。
This paper presents the construction technique of man-made pillars,re-lating the safety coefficient,main problems,improving methods and the technical and eco-nomic results in the application of the slabstone pillars taking the place of natural pillars torecover good-quality manganese ores in Heqing Manganese Mine.
出处
《中国锰业》
北大核心
1994年第6期16-19,共4页
China Manganese Industry
关键词
锰矿山
人工柱砌筑
工艺
锰矿
Manganese Mine Construction of man- made pillars Technique Application