摘要
对金堆城钼矿南部中深孔爆破时大块率高的原因进行了分析,提出了有效降低金堆城钼矿中深孔爆破大块率的可行性技术措施。
The reason of high boulder yield of medium-length hole blasting in the south area of Jinduicheng molybdenum analysed, and the feasible technical measures of reducing boulder yield of medium-length hole blasting were put forward.
出处
《中国矿山工程》
2007年第3期7-9,共3页
China Mine Engineering
关键词
大块率
原因分析
计算方法
技术措施
boulder yield
reason analysis
calculation method
technical measures