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아질산칼슘 방청제를 사용한 시멘트 경화체 내의 염소이온 거동 특성
Characteristics of Chloride Ion Behavior in an Cement Matrix Using Calcium Nitrite Inhibitor
- 신민철;
- 안기용
초록
The present study concerns the inhibition of Calcium Nitrite Inhibitor(Ca(NO2)2) in mortar contaminated by chloride ions. Thus, the corrosion resistance and chloride transport were measured for the mortar containing calcium nitrite inhibitor. As a result, an increase in the dosage of calcium nitrite inhibitor resulted in an increase in the chloride threshold concentration for reinforcement corrosion, while the rate of chloride transport was accelerated. However, the calcium nitrite inhibitor could not guarantee the time to corrosion, due to the increased mobility of chlorides. To ensure the passivity of steel, the dosage of calcium nitrite inhibitor must exceed a certain dosage, ranging from 2.0~3.0 % by cement weight.
키워드
방청제; 철근부식; 염화물이온; 시멘트모르타르; 확산계수; Inhibitor; Steel corrosion; Chloride ion; Cement mortar; Diffusion coefficient
- 제목
- 아질산칼슘 방청제를 사용한 시멘트 경화체 내의 염소이온 거동 특성
- 제목 (타언어)
- Characteristics of Chloride Ion Behavior in an Cement Matrix Using Calcium Nitrite Inhibitor
- 저자
- 신민철; 안기용
- 발행일
- 2024-06
- 유형
- 정기학술지(Article(Perspective Article포함))
- 저널명
- 한국건설순환자원학회 논문집
- 권
- 12
- 호
- 2
- 페이지
- 206 ~ 213