缓倾斜破碎矿体高效进路充填采矿方法研究与应用
张宏伟,张富兴,孙胜,郭正成

Research and Application of High-efficiency Drift Backfill Mining Method in Gently Inclined Broken Orebody
Hongwei ZHANG,Fuxing ZHANG,Sheng SUN,Zhengcheng GUO
表2 主要爆破技术经济参数对比
Table 2 Comparison of main blasting technical and economic parameters
爆破方案单机凿岩时间/h单机凿岩进尺/m进尺率/%单位炸药消耗量/(kg·t-1单位导爆管雷管消耗量/(发·t-1单位导爆索消耗量/(m·t-1
点柱式3121500.360.180.24
初始方案3119520.350.230.41
改进方案3117460.260.110.53