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http://dx.doi.org/10.11112/jksmi.2015.19.3.030

An Experimental Study on Evaluation Methods for Scaling Resistance of Cement Concrete Pavement  

Lee, Hyeon-Gi (한양대학교 토목공학과)
Oh, Hong-Seob (경남과학기술대학교 토목공학과)
Sim, Jong-Sung (한양대학교 토목공학과)
Shim, Jae-Won (한국도로공사 도로교통연구원 건설환경연구실)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.19, no.3, 2015 , pp. 30-38 More about this Journal
Abstract
In cold-climate regions, deicing agents is used for smooth traffic on the road due to freezing and snowdrift in winter. The use of de-icing salts has resulted in the accelerated scaling damage of concrete with salt damage under freezing and thawing condition. Scaling is the deterioration of concrete where in the paste-mortar structure delaminates in flakes from the surface of the concrete. Due to such damage, concrete pavement causes various problems such as early deterioration according to the decrease in the thickness of cover concrete and user's stability issues. Accordingly, various tests and evaluation methods have been suggested in order to evaluate these phenomena in other countries. However, there have been no regulations for the evaluation method in South Korea, and related studies are also very rare. Therefore, in this study, the evaluation methods proposed by each institution and country were investigated and the experiments were performed according to each regulation, followed by the comparison and analysis of the results. Furthermore, this study aims to suggest the optimized experimental method adopted to domestic field through the discussion of such experimental methods and results.
Keywords
Concrete pavement; De-icing salt; Freezing and thawing condition; Scaling test methods;
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