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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 Measurements in Three Types of Reinforced Concrete Slabs Exposed to Chloride Solution
Author(s): O. Kayali and B. Zhu
Publication: Special Publication
Appears on pages(s): 507-522
Keywords: chlorides; concretes; corrosion; durability; fly ash; permeability; reinforcing materials
Abstract:Reinforced-concrete slabs were cast and tested for durability for a period of fifteen months. The slabs were partially immersed in a 2.0% chloride ion solution. Three types of concrete were tested. These were normal-weight medium strength (NWMS), lightweight high-strength (LWHS), and normal-weight high strength (NWHS) concrete. The main tests consisted of measurement of corrosion potential, corrosion current and chloride ion penetration. It has been found that the values of corrosion potential and current were substantially different in the three different types tested. Extremely low values of corrosion current were detected in high strength concrete slabs whether made of lightweight or normal-weight concrete. Large amount of cementitious materials and very low ratio of water to cementitious materials are believed to strongly contribute to produce very low corrosion current. However, LWHS slabs were extremely low. The paper presents the results and discusses likely explanation of these observations.
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