Physical properties of copper tailings
| Parameters | CoT | CoP |
|---|---|---|
| Total tailings | Total tailings | |
| Specific gravity, Gs | 2·814 | 3·149 |
| Gravel: % | 0·00 | 0·00 |
| Coarse sand: % | 0·00 | 0·00 |
| Medium sand: % | 1·55 | 0·00 |
| Fine sand: % | 50·98 | 57·70 |
| Total sand: % | 52·53 | 57·70 |
| Silt: % | 37·44 | 33·70 |
| Clay: % | 10·03 | 8·60 |
| Mean particle size, D50: mm | 0·082 | 0·082 |
| Uniformity coefficient, Cu | 26·7 | 15·9 |
| Coefficient of curvature, Ccr | 1·7 | 5·1 |
| LL: % | — | — |
| IP: % | Non-plastic | Non-plastic |
| ASTM – USCS classification | SM | SM |
| Standard Proctor optimum moisture content, wopt: % | 12·76 | 14·43 |
| Standard Proctor maximum dry density, γdmax: kN/m3 | 18·49 | 19·02 |
| Modified Proctor optimum moisture content, wopt: % | 10·40 | 10·25 |
| Modified Proctor maximum dry density, γdmax: kN/m3 | 19·44 | 21·13 |
| Maximum void ratio: emax | 1·479 | 2·044 |
| Minimum void ratio: emin | 0·420 | 0·462 |
| Parameters | CoT | CoP |
|---|---|---|
| Total tailings | Total tailings | |
| Specific gravity, | 2·814 | 3·149 |
| Gravel: % | 0·00 | 0·00 |
| Coarse sand: % | 0·00 | 0·00 |
| Medium sand: % | 1·55 | 0·00 |
| Fine sand: % | 50·98 | 57·70 |
| Total sand: % | 52·53 | 57·70 |
| Silt: % | 37·44 | 33·70 |
| Clay: % | 10·03 | 8·60 |
| Mean particle size, | 0·082 | 0·082 |
| Uniformity coefficient, | 26·7 | 15·9 |
| Coefficient of curvature, | 1·7 | 5·1 |
| LL: % | — | — |
| IP: % | Non-plastic | Non-plastic |
| Standard Proctor optimum moisture content, | 12·76 | 14·43 |
| Standard Proctor maximum dry density, | 18·49 | 19·02 |
| Modified Proctor optimum moisture content, | 10·40 | 10·25 |
| Modified Proctor maximum dry density, | 19·44 | 21·13 |
| Maximum void ratio: | 1·479 | 2·044 |
| Minimum void ratio: | 0·420 | 0·462 |
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