摘要
本文分析了东乡铜矿无底柱分段崩落法爆破产生立槽及悬顶的原因 ,提出了预防和处理方法 。
This article analyzes the reasons of vertical channel and hanging roof caused by bottomless pillar separate avalanche method demolition, puts forward precautionary and disposing measures and achieves good results.
出处
《铜业工程》
CAS
2002年第1期37-38,44,共3页
Copper Engineering
关键词
无底柱分段崩落法
立槽
悬顶
预防
铜矿床
采矿
爆破
bottomless pillar separate avalanche method precaution of vertical channel and hanging roof
