Research Article
Effect of Fly Ash on Mortar Mixes with Quarry Dust as Fine Aggregate
Table 3
Chemical properties of fly ash.
|
Sl. number | Test conducted | Observed values (%) | Requirement as per IS: 1320-1981 |
| 1 | Loss of ignition | 2.32 | 5.0 (max) | 2 | Silica as SiO2 | 42.04 | SiO2 + Fe2O3 + Al2O3 = 70 | 3 | Iron as Fe2O3 | 4.40 | — | 4 | Alumina as Al2O3 | 33.60 | — | 5 | Calcium as CaO | 12.73 | — | 6 | Magnesium as MgO | 0.00 | 5.0 (max) | 7 | Sulphate as SO3 | 0.40 | 3.0 (max) | 8 | Lime reactivity | 4 N/mm2 | 4.5 (max) |
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