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아초산계 방청제의 전기화학적 방식성능 평가에 관한 실험적 연구
문병철 ( Byungchul Moon ),이한승 ( Hanseoung Lee ),유조형 ( Johyeong Yoo ) 한국구조물진단유지관리공학회 2008 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.12 No.1
It is understood that there are various methods to protect the corrosion of reinforcing steels in concrete, such as the nitrous acid lithium, the nitrous acid calcium and etc. When we use the corrosion inhibitor in large quantities there is some problem that accelerates setting time and affect to durability of concrete. The nitrous acid lithium has a good effect on delays setting time, but it is more expensive the nitrous acid calcium. So the nitrous acid calcium has used more than the nitrous acid lithium. When the nitrous acid calcium is used in large quantity, there is a problem which accelerates setting time. From the results of the experiments, it was confirmed that the calcium nitrite inhibitor over dossage 0.6 (NO<sub>2</sub><sup>-</sup>/Cl<sup>-</sup>) molar ratio is very effective in protecting reinforcement from corrosion in mortar in which chloride ions have contained.