Research on Carbonation Characteristics and Frost Resistance of Iron Tailings Powder Concrete under Low-Cement Clinker System

Table 6

Comparison between calculated value of carbonization model and natural carbonation experiment value (mm).

Group	360 d carbonization depth		720 d carbonization depth		1080 d carbonization depth
	Calculated	Experiment	Calculated	Experiment	Calculated	Experiment
A1	0.8	0.69	1.1	0.97	1.4	1.19
A2	1.1	0.99	1.6	1.40	1.9	1.72
A3	1.2	1.28	1.8	1.81	2.4	2.21
A4	1.5	1.63	2.5	2.31	2.9	2.83
A5	2.4	2.37	3.6	3.35	4.1	4.10
B1	0.3	0.52	0.8	0.73	0.9	0.90
B2	0.8	0.78	1.4	1.10	1.6	1.35
B3	0.9	0.98	1.6	1.39	1.8	1.71
B4	1.5	1.31	2.1	1.85	2.4	2.26
B5	2.1	1.85	2.9	2.62	3.3	3.21