Table 4.
Strength activity index (SAI) of materials.
| Binder | SAI (7 days) | ASTM requirement | SAI (28 days) | ASTM requirement |
|---|---|---|---|---|
| Slag | 100.4 | 95 for 120 grade | 103.8 | 95 for 100 grade |
| RHA | 48.6 | - | 63.0 | - |
| GRHA | 86.7 | - | 101.6 | - |
| POFA | 54.2 | - | 65.3 | - |
| GPOFA | 84.9 | - | 99.0 | - |
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