摘要
中深孔设计是阶段矿房采矿法中深孔落矿回采工艺的重要环节。详细地介绍了排山楼金矿阶段矿房采矿法中深孔布置结构及参数的确定,优化得到炮孔直径60mm、最小抵抗线1.25m、孔底距2.1m的最佳参数。采场应用结果表明:中深孔小抵抗线、大孔底距,爆破效果好。
Medium-length hole design plays an important role in the ore stopping step of stage room mining method. The paper introduces the distribution structure and parameters of medium-length holes in stage room mining method in Paishanlou gold mine. The optimal parameters are the diameter of blasting hole 60 mm, the minimum resistance line 1.25m and the bole-bottom space 2. 1m. It is proved in practice that the blasting effects are ideal with lcw minimum resistance line. and high hole-bottom space.
出处
《黄金》
CAS
北大核心
2009年第2期24-27,共4页
Gold
关键词
阶段矿房采矿法
中深孔
最小抵抗线
孔底距
stage room mining method
medium-length hole
mininmm resistance lille
hole-bottom space
