Minimum Void Ratio Model Established from Tailings and Determination of Optimal Void Ratio
Table 1
Scheme of the experiments.
Fine grain
Coarse grain
Slope
Test samples
GSC
/mm
/mm
/%
GSC
/mm
/mm
No.
/
Patterns
Silt and clay
0-0.075
0.038
0 40 60 80
30 50 70 90
Sand
1-2
1.414
-1.0508
0.7551
A-a
0.027
Silt-clay-sand
0.5-1
0.707
-1.1478
0.7316
A-b
0.054
0.3-0.5
0.387
-1.0364
0.9019
A-c
0.098
0.25-0.3
0.274
-1.0791
0.7076
A-d
0.139
100
Sand
0.075-0.1
0.087
0 20 30 40 50 70 100
Sand
1-2
1.414
-0.9830
0.7586
B-a
0.062
Fine-coarse sand
0.5-1
0.707
-0.9747
0.6803
B-b
0.123
0.3-0.5
0.387
-1.0499
0.5381
B-c
0.225
0.25-0.3
0.274
-1.1648
0.6002
B-d
0.318
0.1-0.15
0.122
1-2
1.414
-0.7435
0.6023
C-a
0.086
0.5-1
0.707
-0.7622
0.5851
C-b
0.173
0.3-0.5
0.387
-1.0348
0.5246
C-c
0.315
0.25-0.3
0.274
-0.9012
0.4547
C-d
0.445
0.15-0.25
0.194
1-2
1.414
-0.6744
0.4998
D-a
0.137
0.5-1
0.707
-0.1337
0.5093
D-b
0.274
0.3-0.5
0.387
-0.4058
0.2754
D-c
0.501
0.25-0.3
0.274
-0.4532
0.3700
D-d
0.708
0.25-0.3
0.274
1-2
1.414
-0.3718
0.2949
E-a
0.194
0.5-1
0.707
-0.4440
0.3412
E-b
0.388
0.3-0.5
0.387
-0.1337
0.0855
E-c
0.708
0.3-0.5
0.387
1-2
1.414
-0.2590
0.2253
F-a
0.274
0.5-1
0.707
-0.0265
0.0376
F-b
0.547
0.5-1
0.707
1-2
1.414
-0.1440
0.0654
G-a
0.5
Note: denotes the fine grain of tailing deposits. denotes the equivalent size of the fine grain of tailing deposits. denotes the coarse grain of tailing deposits. denotes the equivalent size of coarse grain of tailing deposits. is the fine content in tailing deposits. GSC is the grain size classifications.
