Browse > Article
http://dx.doi.org/10.4334/JKCI.2008.20.6.741

Mechanical Characteristics and Corrosion Resistance of Concrete Using Tannin Acid-Corrosion Inhibitor  

Yang, Eun-Ik (Dept. of Civil Engineering, Kangnung National University)
Ryu, Jong-Hyun (GS E&C Research Institute, GS E&C)
Youm, Kwang-Soo (GS E&C Research Institute, GS E&C)
Hwang, In-Dong (Seilcon Center)
Kim, Myung-Yu (Dept. of Civil Engineering, Kangnung National University)
Publication Information
Journal of the Korea Concrete Institute / v.20, no.6, 2008 , pp. 741-746 More about this Journal
Abstract
Many methods have been introduced to protect the corrosion of embedded steel in RC structure. One of the methods that restrain corrosion of steel is corrosion inhibitor. The technology that delayed the progress of corrosion is developed recently by converting active rust to passive rust. However, the performance for concrete structure is not fully examined because this corrosion inhibitor is developed for normal metal product. In this study, the application of corrosion inhibitor that use tannin acid is investigated by concrete specimen. According to the results, tannin acid corrosion inhibitor does not occur reduction of workability and strength in concrete. When corrosion inhibitor is added more than 4% per cement weight, the penetration depth of chloride decrease about 10%. Also, corrosion resistance of concrete is improved because tannin acid corrosion inhibitor has an effect on converting the rust of steel into stable state. It is showed in special that the addition more than 6% is effective in corrosion resistance.
Keywords
corrosion; corrosion inhibitor; tannin acid; rust; corrosion resistance;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Hansson, C. M., 'Corrosion Inhibitors in Concrete-Part I: The Principles,' Cement and Concrete Research, Vol. 28, No. 12, 1998, pp. 1775-781   DOI   ScienceOn
2 Trittharta, J., 'Nitrite Binding in Cement,' Cement and Concrete Research, Vol 31, 2001, pp. 1093-1100   DOI   ScienceOn
3 De Schutter, G., 'Effect of Corrosion Inhibiting Admixtures on Concrete Properties,' Construction and Building Materials, Vol. 18, 2004, pp. 483-89   DOI   ScienceOn
4 Nmai, Charles K., 'Multi-Functional Organic Corrosion Inhibitor,' Cement & Concrete Composites, Vol. 26, 2004, pp. 199-207   DOI   ScienceOn
5 문한영, '염화물을 함유한 콘크리트 중의 철근방식을 위한 방청제의 효과,' 콘크리트학회 논문집, 10권, 6호, 1998, pp. 325-333
6 배수호, 정영수, 하재담, '방청제를 사용한 콘크리트의 성능 평가,' 대한토목학회 논문집, 23권, 5A호, 2003, pp. 815-822
7 김성수, 최춘식, 남용혁, '콘크리트의 내구성 증진을 위한 코팅재의 성능 평가,' 구조물진단학회논문집, 7권, 4 호, 2003, pp. 99-107
8 Tang, L., 'Rapid Estimation of Chloride Diffusivity in Concrete by Applying an Electrical Field,' ACI Materials Journal, Jan.-Feb. 1992, pp. 49-53
9 강석표, 김정환, '함침계 표면보호제에 의한 콘크리트 표면의 세공구조 변화 및 내구성 향상,' 콘크리트학회 논문집, 18권, 1호, 2006, pp. 125-132   과학기술학회마을   DOI
10 김도겸, 고경택, 류금성, '철근콘크리트 구조물용 표면 처리형 철근 부식억제제의 개발에 관한 연구,' 구조물진단학회논문집, 8권, 1호, 2004, pp. 239-247
11 Al-Zahrani, M. M., 'Effect of Waterproofing Coatings on Steel Reinforcement Corrosion and Physical Properties of Concrete,' Cement & Concrete Composites, Vol. 24, 2002, pp. 127-137   DOI   ScienceOn