Research Article
Study on the Strength Development of Cemented Backfill Body from Lead-Zinc Mine Tailings with Sulphide
Table 2
Physical properties of the binder and tailings used.
| | Physical properties | SSA (m2/kg) | Gs (—) | >90 µm (%) | >45 µm (%) | D10 (µm) | D60 (µm) | Cu (—) | Cc (—) | <20 µm (%) |
| | Coarse tailings | 98 | 3.00 | 30.67 | 60.64 | 12.67 | 74.25 | 5.86 | 1.31 | 12.86 | | Fine tailings | 633.8 | 3.00 | 1.07 | 7.28 | 1.50 | 14.68 | 9.8 | 0.94 | 73.67 | | OPC | 461.9 | 3.08 | — | 5.67 | 5.12 | 18.28 | 3.6 | 0.90 | 65.65 | | CK | 588.1 | 2.62 | 1.44 | 13.11 | 1.31 | 17.97 | 13.72 | 0.98 | 68.69 |
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