Research Article
Performance Comparison between Neutralization Tailings and Flotation Tailings Used for Backfill Mix and Mechanism Analysis
Table 5
Comparison of backfill slurry flow behavior.
| | Items | Average flow at 19% cement replacement | Average flow at 12% cement replacement | | Slump (mm) | Diffusivity (mm) | Slump (mm) | Diffusivity (mm) |
| | 1st-round test with flotation tailings | 249 | 770 | 246 | 733 | | 1st-round test with neutralization tailings | 251 | 716 | 249 | 708 | | 2nd-round test with flotation tailings | 256 | 702 | 218 | 680 | | 2nd-round test with neutralization tailings | 256 | 706 | 240 | 640 |
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