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