Research Article
Effect of Initial Backfill Temperature on the Deformation Behavior of Early Age Cemented Paste Backfill That Contains Sodium Silicate
Table 1
Characteristics of the binders (PCI and Slag).
| | Type of binder | MgO (%) | CaO (%) | SiO2 (%) | Al2O3 (%) | Fe2O3 (%) | SO3 (%) | Relative density | Specific surface (m2/g) |
| | PCI | 2.65 | 62.82 | 18.03 | 4.53 | 2.7 | 3.82 | 3.1 | 1.3 | | Slag | 10.98 | 41.14 | 34.23 | 9.54 | — | 3.87 | 3.3 | — |
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