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EIS를 이용한 염해에 노출된 철근콘크리트의 부식개시 측정에 관한 실험적 연구An Experimental Study on Measurement of Corrosion Initiation in Reinforced Concrete Exposed to Chloride Using EIS Method
- Other Titles
- An Experimental Study on Measurement of Corrosion Initiation in Reinforced Concrete Exposed to Chloride Using EIS Method
- Issue Date
- Nov-2017
- Publisher
- 한국건축시공학회
- Keywords
- 부식 모니터링; 염해; 전기화학; 임피던스 분광법; Corrosion monitoring; Chloride attack; Electochemical; Impedance spectroscopy
- Citation
- 2017년 추계학술발표대회 논문집, v.17, no.2, pp 61 - 62
- Pages
- 2
- Indexed
- OTHER
- Journal Title
- 2017년 추계학술발표대회 논문집
- Volume
- 17
- Number
- 2
- Start Page
- 61
- End Page
- 62
- Abstract
- In this study, the initiation of steel corrosion was monitored due to chloride attack using embedded sensor. In general, Steel bars embedded in concrete are protected from corrosion by being forming a passive film on the surface. However, the passive film is destroyed by chemical erosion such as concrete carbonation and chloride penetration, and the rebar is exposed to the deteriorating factor and corrosion proceeds. In order to realize the initiation of steel corrosion, OCP and change of Impedance parameter were observed by using Half-cell and EIS method depending on cover depth. As result, 10mm cover showed the impedence increased in 6weeks.
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Related Researcher
- Lee, Han Seung
- ERICA 공학대학 (MAJOR IN ARCHITECTURAL ENGINEERING)