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