Research Article
A Novel Prediction Model of Strength of Paste Backfill Prepared from Waste-Unclassified Tailings
Table 2
Chemical compositions and some physical properties of the materials.
| | Materials | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | S | Ni | Cu | Others |
| | Tailings (%) | 36.41 | 7.77 | 9.9 | 3.09 | 27.79 | 1.63 | 0.28 | 0.2 | 12.93 | | Waste (%) | 70.5 | 12.1 | 4.5 | 2.4 | 0.9 | 0.2 | — | — | 9.4 | | Cement (%) | 21.5 | 4.5 | 2 | 63.5 | 4.0 | 2.5 | — | — | 2 |
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