Research Article
Utilizing Coal Bottom Ash from Thermal Power Plants in Vietnam as Partial Replacement of Aggregates in Concrete Pavement
Table 2
The physical properties of An Khanh CBA, Cao Ngan CBA, PCB 40 cement, and fine and coarse aggregates.
| Physical properties | Value | An Khanh CBA | Cao Ngan CBA | Fine aggregates | Coarse aggregates | Cement |
| Specific gravity | 2.48 | 2.52 | 2.66 | 2.66 | 3.10 | Unit weight (kg/m3) | 1489 | 1365 | 1325 | 1370 | 1300 | Fineness modulus | 2.62 | 2.01 | 2.50 | | | Content of dust, mud in aggregates (%) | 10.40 | 20.70 | | | | Water content (%) | 2.13 | 7.15 | | | | Porosity (%) | | | | 51.10 | | Compressive strength at 28 days curing (MPa) | | | | | 40 |
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