Investigation on the Sulfuric Acid Corrosion Mechanism for Concrete in Soaking Environment

Table 5

Fitting parameters.

Parameter	Test group
	1	2	3	4	5	6	7	8
A (10^−8 mol·s^−1)	2.1938	2.9611	5.1368	11.2014	20.6806	42.8333	74.4444	100.8056
B (10^−5 s^−1)	8.2583	8.6528	13.1528	13.7472	14.4028	15.2111	12.2472	8.9056
R^2	0.9411	0.9520	0.8830	0.9157	0.8285	0.7160	0.5889	0.7013