Numerical Simulation on Carbonation Depth of Concrete Structures considering Time- and Temperature-Dependent Carbonation Process

Table 6

Comparison results between practical engineering and finite element model.

Reference	Compressive strength of concrete, fcu (MPa)	Age of carbonation, t (year)	Carbonation depth			Error (%)
			Practical measuring value, Xp	Finite element value	Reference value	Finite element value	Reference value
[34, 35]	28.9	1	3.10	3.20	3.37	3.2	8.7
	28.9	2	5.31	5.18	4.76	−2.4	−10.4
	28.9	5	7.96	7.58	7.53	−4.8	−5.4
	28.9	10	8.75	9.73	10.66	11.2	21.8
[36]	38.0	31	10.5	10.86	8.00	3.4	23.8
[37, 38]	32.87	5	6.0	6.51	6.48	8.5	8.0
	32.87	15	9.3	10.55	10.65	13.4	14.5
	32.87	25	12.7	12.69	13.66	0.0	7.6
	32.87	35	14.9	14.59	16.18	−2.1	8.6