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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: Confusion on Chloride Limits in Specifications that Challenge the Industry
Author(s): Colin L. Lobo
Publication: Web Session (Outdated)
Appears on pages(s):
Abstract:Field studies, laboratory testing, and modeling of chloride concentration limits and threshold levels that initiate reinforcement corrosion vary in their predictive abilities. Corrosion initiation measurements for portland and blended cement concretes can lead to better service life predictions. However, chloride limits vary across industry guides and specifications. This course covers material sources of chlorides and clarifies ACI’s allowed chloride limits for concrete used in different types of structures. The effects of calcium chloride diffusion and chloride binding at reinforcing bars on time to corrosion are also explored.