Research Article
Experimental Study on Physical-Mechanical Properties of Expansive Soil Improved by Multiple Admixtures
Table 3
Physical performance index of fly ash.
| | Physical index | Specific surface area (m2·g−1) | Density (kg·m−3) | Packing density (kg·m−3) | Loss on ignition (%) | Fineness (45 µm triage) (%) | Water absorption (%) | Standard consistency of raw ash (%) | | 0.43 | 1868 | 764 | 7.9 | 21 | 101 | 52.3 |
| | Chemical composition | SiO2 (%) | Al2O3 (%) | Fe2O3 (%) | CaO (%) | K2O (%) | Na2O (%) | Other (%) | | 40.02 | 23.41 | 7.92 | 5.16 | 1.41 | 0.88 | 21.2 |
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