염화물 노출 조건에 따른 콘크리트 임계 염화물량 평가Evaluation of Chloride Threshold Level Under Different Chloride Exposure Condition
- Other Titles
- Evaluation of Chloride Threshold Level Under Different Chloride Exposure Condition
- Authors
- 김민재; 김한송; 송영연; 안기용
- Issue Date
- May-2018
- Publisher
- 한국콘크리트학회
- Citation
- 한국콘크리트학회 학술대회 논문집, v.30, no.1, pp 219 - 220
- Pages
- 2
- Indexed
- OTHER
- Journal Title
- 한국콘크리트학회 학술대회 논문집
- Volume
- 30
- Number
- 1
- Start Page
- 219
- End Page
- 220
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/6243
- Abstract
- 본 연구에서는 조수차를 고려한 염화물 노출 조건에 따른 콘크리트 임계 염화물량을 평가하였다. 먼 저 염화물 노출 조건에 따라 부식 전류가 0.1 µA/cm² 이상이 되는 시간을 측정하였으며, 그때의 염분 침투 정도를 측정하였다. 그 결과 침지와 기건을 반복한 시편의 경우 시멘트 무게 대비 0.2% 정도의 임계 염화물량이 나타났으나, 완전 침지 시편의 경우 0.3%의 임계 염화물량을 나타내었다.
In this study, the critical chloride threshold of concrete was evaluated according to chloride exposure condition considering tidal zone. First, the time to corrosion current exceeding 0.1 µA/cm² was measured, and the degree of salt penetration was measured. As a result, the chloride threshold level was 0.2% by weight of cement for cyclic wet and dry condition and 0.4% for totally immersed specimen.
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