Abstract
The paper focuses on the evaluation of chloride ion diffusion coefficient of selected concrete mixture. The diffusion coefficient is computed using Nersnt-Einstein relationship between electrical material properties and ionic diffusion. There are two procedures of interest. First method called rapid chloride penetration test (ASTM C1202) is based on measurements of electrical charge passed through concrete sample. Second method is based on measurements of electrical resistivity. The resulting diffusion coefficients obtained by both methods are compared.
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