摘要
本文介绍了永平铜矿露采深孔台阶爆破后出现岩墙、根底的产生原因、处理方法和在实际处理过程中所要注意的问题。
The paper analyzes the reasons for occurence of unbroken rock walls and toes after deephole bench blasting in Yongping Copper Mine. Elimination methods and precautions to be taken during the elimination process are also described.
关键词
岩墙
根底
反向孔
飞石
铜矿
潜孔钻
rock wall,rock toe,reverse hole,misfire,flying rock