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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Corrosion Inhibitors for Reinforced Cocnrete: Effect of Organic Substances
Author(s): F. Bolzoni, G. Fumagalli, S. Goidanich, L. Lazzari, M. Ormellese, and M. P. Pedeferri
Publication: Special Publication
Appears on pages(s): 589-606
Keywords: chloride induced corrosion; inhibition mechanism; organic inhibitors; reinforced concrete
Abstract:Corrosion of steel reinforcement is the most important cause of premature failure in reinforced concrete structures. The use of corrosion inhibitors seems to offer a simple and cost effective prevention technique against chloride induced corrosion: nevertheless, performance of commercial inhibitors available on the market is only partially satisfactory. This paper deals with a basic study on organic substances, that present inhibiting effect on carbon steel corrosion. Two years electrochemical test results, obtained in simulated concrete pore solutions and concrete slabs, on the effect of functional groups are presented and discussed. The inhibition effect on corrosion initiationnd propagation was evaluated by means of two electrochemical parameters: potential and polarisation resistance. Tests on concrete specimens confirmed the effectiveness of some organic substances in delaying corrosion initiation and increasing the chlorides concentration threshold.
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