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Early-age chemical and autogenous shrinkage of cement pastes containing palm oil fuel ash at different water-to-binder ratios
World Journal of Civil Engineering and Architecture
| Vol 4, Issue 1
Table 6. Chemical shrinkage (10−3 cm3/g ofbinder) versus time.
| w/b | POFA (%) | 0 h | 3 h | 6 h | 9 h | 12 h | 15 h | 18 h | 21 h | 24 h |
| 0.3 | 0 | 0.0 | 5.4 | 9.2 | 12.6 | 16.6 | 18.9 | 23.8 | 27.6 | 32.2 |
| 0.3 | 10 | 0.0 | 5.3 | 8.6 | 11.9 | 14.7 | 17.1 | 21.1 | 24.3 | 29.6 |
| 0.3 | 20 | 0.0 | 4.8 | 9.2 | 11.8 | 14.6 | 17.1 | 20.8 | 26.1 | 32.2 |
| 0.3 | 30 | 0.0 | 6.2 | 10.7 | 13.4 | 16.0 | 18.7 | 23.1 | 30.0 | 34.6 |
| 0.4 | 0 | 0.0 | 5.2 | 8.5 | 12.0 | 15.4 | 19.2 | 22.7 | 26.3 | 30.0 |
| 0.4 | 10 | 0.0 | 5.0 | 8.5 | 10.3 | 13.4 | 16.9 | 21.0 | 24.5 | 26.8 |
| 0.4 | 20 | 0.0 | 5.3 | 9.5 | 11.9 | 12.7 | 16.9 | 19.7 | 26.1 | 31.5 |
| 0.4 | 30 | 0.0 | 5.1 | 10.5 | 13.1 | 15.3 | 18.4 | 22.1 | 28.0 | 32.2 |
| 0.5 | 0 | 0.0 | 4.7 | 8.7 | 12.3 | 14.6 | 17.5 | 21.2 | 25.3 | 29.8 |
| 0.5 | 10 | 0.0 | 3.8 | 7.3 | 10.6 | 13.0 | 16.4 | 19.9 | 23.5 | 26.7 |
| 0.5 | 20 | 0.0 | 5.3 | 9.4 | 12.0 | 12.6 | 15.7 | 19.4 | 24.8 | 30.7 |
| 0.5 | 30 | 0.0 | 5.2 | 9.9 | 13.0 | 14.7 | 17.3 | 21.7 | 26.5 | 30.8 |