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中深孔回采浅采矿房顶柱试验
TEST OF LONG-HOLE EXTRACTING STOPE FLOOR PILLAR
【摘要】 采用中深孔落矿、小抵抗线大孔距爆破、三卷筒电耙耙矿回采矿房顶柱,取得了理想的效果。
【Abstract】 The long-hole Stoping method with small burden, big hole space for extracting stope floor pillar are used in this test.Otherwise,three drum hoists Were also employed to scraping the ore. It is satisfied with the test results.
【关键词】 顶柱;
回采;
中深孔;
小抵抗线;
大孔距;
【Key words】 Floor pillar; Extraction; long-hole; Small burden; Big space of hole;
【Key words】 Floor pillar; Extraction; long-hole; Small burden; Big space of hole;
- 【文献出处】 中国钼业 ,China Molybdenum Industry , 编辑部邮箱 ,1995年01期
- 【分类号】TD80
- 【下载频次】26