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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: Early Chloride Corrosion of Reinforced
Concrete - A Test Report
Author(s): Ergin Atimtay and Phil M. Ferguson
Publication: Journal Proceedings
Appears on pages(s): 606-613
Keywords: beams (supports) : chlorides; concrete slabs:concretes; corrosion: covet; cracking (fracturing) : prestressing;reinforced concrete; reinforcing ; research: salt water: stresses: water-cement ratio.
Abstract:Exposure test results of 18 flexural beams and 15 unloaded slabs are reported. The main variables were the depth of clear cover, level of steel stress, presence or absence of flexural crackmg, water-cement ratio, bar diameter, and prestressing. It has been found that there is an interaction between the cover and the bar diameter which can be expressed as the c/di, ratio. This ratio is more meaningful in predicting corrosion resistance than just the clear cover in inches, A higher c/db ratio and f lower water-cement ratio proved very effective m improving corrosion protection. Concrete cracking, the level of steel stress, and prestressing made relatively only a small contribution to corrosion deterioration in these tests.
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