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논문 기본 정보

자료유형
학술저널
저자정보
Duhyeong Lee (Korea Institute of Maritime & Fisheries Technology) Jin-A Jeong (National Korea Maritime & Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제47권 제6호
발행연도
2023.12
수록면
325 - 330 (6page)
DOI
10.5916/jamet.2023.47.6.325

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초록· 키워드

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Port structures are mostly constructed from reinforced concrete that can withstand high compressive forces in preparation for collisions or wave shocks caused by ships. The rebar within the concrete is shielded from corrosion by the formation of a passive layer in a highly alkaline environment. However, over time, this rebar becomes susceptible to corrosion, especially when exposed to corrosive conditions such as seawater. To combat this corrosion, cathodic protection has been developed and widely employed to safeguard rebar in reinforced concrete structures. This cathodic protection can be categorized into two main types: Sacrificial Anode Cathodic Protection (SACP) and Impressed Current Cathodic Protection (ICCP). In recent construction projects, there has been a focus on expanding existing ports, often resulting in the juxtaposition of steel and reinforced concrete piles supporting the upper structure. If the pier consists of a long connection between a reinforced concrete port and steel port, or if the harbor structure and marine bridge are adjacent, problems caused by leakage current generated between the cathodic protection facilities will inevitably occur. However, there are many cases where the entity that manages the structure is different. To prevent safety accidents and clarify responsibility for accidents, it is necessary to consider the problem of stray current. To effectively prevent stray current when connecting SACP and ICCP systems, it is advisable to set the ICCP system’s protective potential to approximately 10 to 20 mV higher than that of the SACP system.

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Abstract
1. Introduction
2. Experimental contents
3. Experimental Results
4. Conclusion
References

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