Research Article
Effect of Different Types of Fly Ash on Properties of Asphalt Mixtures
Table 2
Classification of tested fly ashes by chemical composition.
| | Fly ash | Chemical composition (%) | Classification | | SiO2 | CaO | SiO2 + Al2O3 + Fe2O3 | ASTM C 618 | Mining Institute Belgrade | pH classification |
| | P | 42.83 | 21.08 | 69.78∼70 | F | Calcium-silicate | Aluminosilicate, pozzolanic active | | G | 6.04 | 74.44 | 13.85 50 | / | Calcium | Alkaline | | K | 16.91 | 45.98 | 26.15 50 | / | Calcium-silicate | High sulphate content, highly alkaline, no pozzolanic properties |
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