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4 废石和尾砂配比为5∶5 的混合骨料胶结充填体试块压裂破坏照片 |
Fig.4 Fracture damage photos of mixed aggregate cemented filling body with ratio of waste rock and tailings is 5∶5 |