Research Article
Performance Comparison between Neutralization Tailings and Flotation Tailings Used for Backfill Mix and Mechanism Analysis
Table 4
UCS backfill strength comparison of two types of tailings.
| | | UCS using 19% cement replacement (MPa) | UCS using 12% cement replacement (MPa) | | | 7 d | 14 d | 28 d | 7 d | 14 d | 28 d |
| | First experiment using flotation tailings | 1.02 | 2.26 | 3.81 | 0.65 | 1.13 | 1.55 | | First experiment using neutralization tailings | 2.68 | 4.07 | 5.44 | 1.03 | 1.69 | 2.33 | | Second experiment using flotation tailings | 0.98 | 1.56 | 3.53 | 0.46 | 0.78 | 1.45 | | Second experiment using neutralization tailings | 2.00 | 3.15 | 4.70 | 0.82 | 1.25 | 1.85 |
|
|
