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논문 기본 정보

자료유형
학술저널
저자정보
Duhyeong Lee (Korea Maritime & Ocean University) Jin-A Jeong (Korea Maritime & Ocean University)
저널정보
한국부식방식학회 Corrosion Science and Technology CORROSION SCIENCE AND TECHNOLOGY Vol.23 No.3
발행연도
2024.6
수록면
195 - 202 (8page)
DOI
10.14773/cst.2024.23.3.195

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초록· 키워드

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A zinc mesh sacrificial anode cathodic protection method is recently being developed to protect the rein-forced concrete structure in a marine environment. However, comprehensive information regarding thecathodic protection technology applied to reinforced concrete test specimens utilizing zinc mesh sacrificialanodes remains limited. Particularly, no research has investigated the effective range of sacrificial anodecathodic protection in a reinforced concrete structure regarding the transmission of protection current fromzinc mesh sacrificial anode to the reinforced concrete structure, particularly concerning effects of tem-perature variations. This study examined the distribution of potential and current using a long single rebarand several segment reinforcing bars inside a horizontal beam. Vertical pile specimens were applied with azinc mesh sacrificial anode to simulate concrete bridges or harbor structures. To check the effect ofcathodic protection, cathodic protection potential and current of the reinforced concrete specimens weremeasured and 100 mV depolarization criterion test was performed. It was confirmed that effect of cathodicprotection varied depending on resistivity and temperature. The cathodic protection test of pile specimensrevealed that the maximum reachable range of cathodic protection current was 10 cm from the waterline asobserved in the experiment.

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