有底柱分段崩落法分单元落矿试验与生产  

Unit test and production using sublevelcaving method with floor

作　　者：马军 莫志勇 

机构地区：[1]酒泉钢铁公司 [2]酒钢河西堡铁厂

出　　处：《冶金矿山设计与建设》1999年第3期29-31,46,共4页Metal Mine Design & Construction

摘　　要：根据河西堡铁矿地质条件变化大、探矿费用高、采准工程准确性差、回采贫损指标高的特点，有针对性地改进原有底柱分段崩落法的落矿工艺，采用分单元落矿，取得了较好的效果。In view of large variation of geological condition of Hexibao iron mine, the high expense of ore prospecting, the poor accuracy of development engineering, and the high index of stoping dilution, the original caving process of sublevel caving method with floor was improved accordingly, and good results were obtained.

关 键 词：有底柱 分段崩落法 落矿工艺 单斗爆破 斜面放矿 

分 类 号：TD853.362[矿业工程—金属矿开采]