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2 金川矿山废石和选矿尾砂粒径分析结果
Table 2 Analysis results of particle size of waste rock and tailings in Jinchuan mine
骨料粒径/mm频度分布/%负累积分布/%
选厂尾砂0.00053.513.52
0.00154.928.43
0.00306.2214.62
0.006010.8125.42
0.012015.4140.81
0.02407.9248.73
0.048012.1260.82
0.096024.0184.82
0.164015.22100.00
废石骨料0.08005.525.52
0.23702.518.01
0.47207.0215.01
0.94205.6820.68
1.80407.0227.65
3.556014.3442.01
7.126041.3283.32
12.740016.68100.00