Research Article
Carbonation Depth Model and Prediction of Hybrid Fiber Fly Ash Concrete
Table 6
Comparison of predicted and measured carbonization depth.
| | Carbonization time (d) | Fly ash content (%) | Test result (mm) | Calculation result (mm) | Error (%) |
| | 3 | 0 | 4.8 | 4.9 | 2.1 | | 3 | 5 | 5.0 | 5.0 | 0 | | 3 | 10 | 5.3 | 5.6 | 5.7 | | 3 | 20 | 7.1 | 7.7 | 8.5 | | 3 | 30 | 7.7 | 8.4 | 9.1 | | 7 | 0 | 6.8 | 7.4 | 8.8 | | 7 | 5 | 7.3 | 7.7 | 5.5 | | 7 | 10 | 7.9 | 8.6 | 8.9 | | 7 | 20 | 11.3 | 11.8 | 4.4 | | 7 | 30 | 12.5 | 12.8 | 2.4 | | 14 | 0 | 10.1 | 10.5 | 4.0 | | 14 | 5 | 10.9 | 10.9 | 0 | | 14 | 10 | 11.7 | 12.1 | 3.4 | | 14 | 20 | 16.8 | 16.7 | −0.6 | | 14 | 30 | 17.9 | 18.1 | 1.1 | | 28 | 0 | 15.2 | 14.8 | −2.6 | | 28 | 5 | 16.1 | 15.4 | −4.3 | | 28 | 10 | 17.8 | 17.1 | −3.9 | | 28 | 20 | 24.1 | 23.7 | −1.7 | | 28 | 30 | 26.2 | 25.6 | −2.3 |
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