全尾砂膏体充填配比优化正交试验

张美道,饶运章,徐文峰,王文涛

Orthogonal Experiment on Optimization of Filling Ratio of Full Tailings Paste

Meidao ZHANG,Yunzhang RAO,Wenfeng XU,Wentao WANG

表6 充填体强度试验结果

Table 6 Test results of compressive strength of filling body

配比	抗压强度 /MPa	弹性模量 /GPa	内聚力 /MPa	泊松比υ
1∶4-70%	4.862	0.347	1.086	0.218
1∶4-73%	5.752	0.393	1.276	0.221
1∶4-76%	6.341	0.440	1.378	0.246
1∶4-79%	7.362	0.608	1.770	0.233
1∶6-70%	1.352	0.092	0.217	0.167
1∶6-73%	1.561	0.127	0.435	0.173
1∶6-76%	2.341	0.154	0.745	0.199
1∶6-79%	3.841	0.314	1.106	0.192
1∶10-70%	0.497	0.034	0.097	0.143
1∶10-73%	0.544	0.052	0.14	0.152
1∶10-76%	0.923	0.082	0.420	0.172
1∶10-79%	1.362	0.147	0.626	0.165
1∶20-70%	0.213	0.015	0.039	0.118
1∶20-73%	0.436	0.024	0.054	0.126
1∶20-76%	0.896	0.043	0.089	0.147
1∶20-79%	1.253	0.084	0.190	0.139