Research Article
Study on Strength Behavior of Organic Soil Stabilized with Fly Ash
Table 2
Chemical composition and physical properties of fly ash.
| | Composition or property | Type I | Type II |
| | Chemical composition | | | | Silica (SiO2) | 50.2 | 65.6 | | Alumina (Al2O3) | 22.5 | 25 | | Iron oxide (Fe2O3) | 5.17 | 6 | | Lime (CaO) | 20.3 | 1.78 | | Sulphates (SO3) | 0.39 | 0.3 | | Magnesia (MgO) | 0.51 | 0.7 | | Physical properties | | | | Fineness (specific surface) by Blaine’s | 374.6 | 300 | | permeability method (m2/kg) | | Sieving on 45-micron residue (%) | 17.82 | 7.05 | | Loss on ignition (%) | 4.02 | 4.00 | | Insoluble residue (%) | 90.74 | 96.00 | | Moisture (%) | 0.18 | 2 |
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