采矿废石—尾砂混合骨料在下向分层进路胶结充填采矿中应用的试验研究 |
何建元,李宏业,高谦,尹升华 |
Experimental Research on Application of Mixed Aggregate of Mining Waste Rock and Tailings in Downward Layered Approach and Cemented Filling Mining Method HE Jianyuan1,LI Hongye1,GAO Qian2,YIN Shenghua2 |
图1 金川矿山废石粗骨料的粒径级配分布曲线 |
Fig.1 Distribution curves of particle size gradation of waste rock aggregate in Jinchuan mine |