Estimation of Concrete Carbonation Depth Considering Multiple Influencing Factors on the Deterioration of Durability for Reinforced Concrete Structures

Table 2

Measurement of chloride concentration (Building 9).

Location	Chloride ion concentration	Chloride ion diffusion coefficient
Inside
Surface to 10 mm	0.22
Outside
Surface to 10 mm	0.27
10 to 20 mm	0.24
20 to 30 mm	0.18