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
表1 金川矿山废石和选矿尾砂化学成分
Table 1 Chemical composition of waste rock and tailings in Jinchuan mine(%)
化学成分含量化学成分含量
废石尾砂废石尾砂
SiO236.3133.60Cr2O3-0.60
MgO28.1533.00Na2O-0.30
Fe2O3-20.70K2O-0.30
SO3-4.50TiO2-0.20
Al2O33.392.70其他10.381.40
CaO3.862.60