基于正交试验的细尾砂—分级尾砂充填体强度研究
黄仁东,李哲

Study on the Strength of Fine Tailings-graded Tailings Packing Body Based on Orthogonal Test
Rendong HUANG,Zhe LI
表5 充填配比试验结果
Table 5 Test results of filling ratio
试验序号A/%B/%C/‰D/%3 d抗压强度/MPa7 d抗压强度/MPa28 d抗压强度/MPa扩散度/cm
162330300.751.302.7443.3
262251400.500.721.5446.7
362202500.350.490.7636.1
462173600.220.330.5535.6
562144700.180.260.4531.1
664331500.851.753.4136.0
764252600.551.001.7732.3
864203700.450.681.0225.0
964174300.390.701.3049.9
1064140400.150.300.4335.3
1166332701.052.504.5332.0
1266253300.851.333.2948.8
1366204400.701.082.0443.0
1466170500.420.970.8927.3
1566141600.310.470.8122.0
1668333401.822.327.9347.0
1768254501.052.034.4039.0
1868200600.660.732.6316.5
1968171700.380.451.2718.1
2068142300.350.531.3643.6
2170334602.004.707.8536.5
2270250701.191.375.2814.0
2370201301.002.134.4531.5
2470172400.580.712.0628.3
2570143500.460.551.7221.6