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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 7. Autogenous 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 | 6.1 | 10.0 | 14.4 | 18.2 | 22.3 | 26.6 | 30.7 | 35.8 |
| 0.3 | 10 | 0.0 | 4.2 | 8.8 | 12.2 | 18.2 | 21.0 | 26.5 | 28.8 | 35.1 |
| 0.3 | 20 | 0.0 | 6.8 | 10.2 | 15.7 | 19.1 | 24.5 | 26.9 | 32.6 | 37.0 |
| 0.3 | 30 | 0.0 | 3.6 | 6.7 | 11.8 | 15.9 | 19.8 | 23.5 | 28.2 | 34.4 |
| 0.4 | 0 | 0.0 | 4.7 | 7.6 | 12.4 | 15.9 | 21.1 | 23.4 | 28.2 | 32.4 |
| 0.4 | 10 | 0.0 | 2.3 | 7.9 | 11.3 | 15.5 | 19.9 | 23.8 | 26.1 | 30.7 |
| 0.4 | 20 | 0.0 | 3.8 | 9.5 | 13.8 | 15.7 | 21.3 | 25.2 | 28.1 | 31.6 |
| 0.4 | 30 | 0.0 | 3.9 | 6.1 | 11.0 | 13.7 | 16.7 | 22.4 | 25.3 | 29.6 |
| 0.5 | 0 | 0.0 | 1.9 | 5.0 | 9.2 | 11.8 | 17.5 | 19.5 | 23.6 | 27.5 |
| 0.5 | 10 | 0.0 | 3.7 | 5.3 | 9.8 | 13.8 | 18.4 | 21.3 | 22.5 | 26.4 |
| 0.5 | 20 | 0.0 | 3.5 | 8.5 | 10.6 | 15.4 | 18.1 | 21.7 | 25.2 | 27.4 |
| 0.5 | 30 | 0.0 | 2.5 | 5.7 | 9.3 | 12.3 | 17.1 | 19.2 | 23.4 | 27.4 |