| "In this paper, the authors address the effectiveness of conventional concrete cover with a water-cement ratio of 0.36 and 0.43 in airborne-chloride environments and propose a realistic evaluation method based on Japanese surveys of airborne chloride distribution and deterioration in existing concrete highway bridges. The proposed evaluation method uses the chloride diffusion coefficient for uncracked concrete exposed to the choride atmosphere and the boundary chloride level based on its relationship to airborne chloride levels. The results of this research provide the basis for a cogent policy for corrosion protection in coastal areas for concrete bridges with 100-year design lives. " |
