Research Article
Utilizing Coal Bottom Ash from Thermal Power Plants in Vietnam as Partial Replacement of Aggregates in Concrete Pavement
Table 3
Mix proportions of the concrete.
| No. | Sample | Replacement ratio of fine aggregates | Fine CBA (<5 mm) (kg) | Coarse CBA (>5 mm) (kg) | Coarse aggregates (kg) | Fine aggregates (kg) | Cement (C) (kg) | Water (W) (l) | W/C |
| 1 | AK1 | 100 | 535 | 240 | 820 | 0 | 405 | 240 | 0.59 | 2 | AK2 | 100 | 535 | 240 | 820 | 0 | 440 | 240 | 0.55 | 3 | AK3 | 100 | 535 | 240 | 820 | 0 | 475 | 240 | 0.51 | 4 | AK4 | 100 | 535 | 240 | 820 | 0 | 524 | 270 | 0.52 | 5 | AK5 | 100 | 535 | 240 | 820 | 0 | 524 | 280 | 0.53 | 6 | TC | 100 | 0 | 0 | 1060 | 535 | 410 | 189 | 0.46 | 7 | CN1 | 100 | 535 | 30 | 1030 | 0 | 414 | 272 | 0.66 | 8 | CN2 | 100 | 535 | 30 | 1030 | 0 | 430 | 289 | 0.67 | 9 | CN3 | 100 | 535 | 30 | 1030 | 0 | 468 | 281 | 0.60 | 10 | CN4 | 100 | 535 | 30 | 1030 | 0 | 506 | 276 | 0.55 | 11 | CN5 | 100 | 535 | 30 | 1030 | 0 | 520 | 252 | 0.48 | 12 | CN6 | 30 | 160 | 30 | 1030 | 375 | 443 | 214 | 0.48 | 13 | CN7 | 15 | 80 | 30 | 1030 | 454 | 443 | 214 | 0.48 |
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Note: AK, concrete using An Khanh CBA; CB, concrete using Cao Ngan CBA; TC, concrete M30 without CBA.
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