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 formulaConcrete typeTemperature influence coefficient, kTFitting results, qCorrelation coefficient, R2

293 K303 K313 K
C25 (Xq)11.50311.741626940.9113
C25 (Xj)11.50621.730726720.9013
C30 (Xq)11.53851.817528860.9210
C30 (Xj)11.53941.824529010.9237
C35 (Xq)11.69982.019934090.8886
C35 (Xj)11.71902.066335100.8955

Note. K is the unit of the absolute temperature.