Research Article
Numerical Simulation on Carbonation Depth of Concrete Structures considering Time- and Temperature-Dependent Carbonation Process
Table 3
Results of the values of fitting coefficient (q).
| Fitting formula | Concrete type | Temperature influence coefficient, kT | Fitting results, q | Correlation coefficient, R2 |
| | — | 293 K | 303 K | 313 K | — | — | C25 (Xq) | 1 | 1.5031 | 1.7416 | 2694 | 0.9113 | C25 (Xj) | 1 | 1.5062 | 1.7307 | 2672 | 0.9013 | C30 (Xq) | 1 | 1.5385 | 1.8175 | 2886 | 0.9210 | C30 (Xj) | 1 | 1.5394 | 1.8245 | 2901 | 0.9237 | C35 (Xq) | 1 | 1.6998 | 2.0199 | 3409 | 0.8886 | C35 (Xj) | 1 | 1.7190 | 2.0663 | 3510 | 0.8955 |
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Note. K is the unit of the absolute temperature.
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