Research Article
Properties of Gobi Aggregate and Sulfide-Rich Tailings Cemented Paste Backfill and Its Application in a High-Stress Metal Mine
Table 2
Physical properties of filling materials.
| | Material | Proportion | Loose volume weight (t/m3) | Dense volume weight (t/m3) | Porosity (%) | Slope angle (°) |
| | Tailings | 4.39 | 1.55 | 2.23 | 49.2 | 41.5 | | Gobi aggregates | 2.56 | 1.26 | 1.75 | 31.6 | 36 | | PC32.5 cement | 3.11 | 1.02 | 1.61 | 48.2 | 39 |
|
|
