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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: Diagnosing in Situ Concrete by ultrasonic
Author(s): H. W. Chung and K. S. Law
Publication: Concrete International
Appears on pages(s): 42-49
Keywords: compressive strength; damage; field tests; fires; nondestructive tests; reinforced concrete; statistical analysis; ultrasonic tests; voids.
Abstract:Describes field applications of the ultrasonic pulse velocity technique in testing concrete, using the portable V-meter. Effects of mix proportions, reinforcing bars, and voids are examined. Methods of assessing the uniformity of concrete and detecting voids or honeycombs are discussed. A semiempirical approach is proposed for estimating concrete strength from pulse velocity measurement. A process is also suggested to approximately assess the fire damage of concrete.*
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