Research Article
Study on the Strength Development of Cemented Backfill Body from Lead-Zinc Mine Tailings with Sulphide
Table 3
Mix proportions and partial properties of the mixtures.
| | Number | Proportion of mixture | Partial properties of mixture | | Wet coarse sailings (g) | Wet fine sailings (g) | OPC (g) | CK (g) | Water (g) | Solid concentration (%) | Wet density (kg/m3) | Slumps (mm) | Bleeding rate (%) |
| | C20CK0 | 904 | — | 200 | — | 211 | 76.0 | 2073 | 260 | 26.3 | | C7CK0 | 1051 | — | 70 | — | 166 | 77.7 | 2210 | 180 | 20.2 | | C7CK10 | 938 | — | 70 | 100 | 142 | 80.0 | 2235 | 180 | 0.5 | | XC20CK0 | — | 1111 | 200 | 100 | 176 | 63.0 | 1785 | 180 | 0.8 |
|
|
