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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: Rapid One-Cycle Test for Evaluating Aggregate Performance When Exposed to Freezing and Thawing in Concrete
Author(s): Tom Faulkner and Richard D. Walker
Publication: Special Publication
Appears on pages(s): 705-722
Keywords: aggregates; concrete durability; evaluation; tests; freeze-thaw durability; General
Abstract:Previous work demonstrated that carefully monitored length change measurements during the first freeze period of a concrete specimen containing the aggregate being evaluated show a "fingerprint" that can be successfully correlated with the durability factor that is obtained after many later cycles of freezing and thawing. Six different coarse aggregates were used in this study to further substantiate the conclusions of the previous work and to attempt to shorten the test evaluation procedure from 8 to 3 days. The slope of the cumulative length change versus temperature and the length change versus time curve of the first freeze cycle near the freezing point of water was used as the fingerprint. Although attempts to shorten the procedure by using a boiling water accelerated curing procedure were considered successful, it was recommended that other methods of accelerating early strengths be attempted. The tests indicated that the procedure was satisfactory for screening aggregates having a durability factor of less than 30 and greater than 50 percent.
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