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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: Evaluation of Concrete Compression TestResults
Author(s): L. R. Lauer
Publication: Journal Proceedings
Appears on pages(s): 467-478
Keywords: coefficient of variation, compressive strength, compression test, cylinder, evaluation, graphical method, mean strength, quality control, ready-mixed concrete, standard deviation
Abstract:A graphical method is applied to the evaluation of actual compression cylinder test results of concrete from a large ready mixed concrete firm for its previous year of operation. These results are then utilized as a basis of design for succeeding jobs supplied by the firm. A graphical representation of data to obtain standard deviation, mean strength, and the coefficient of variation is shown and the results compared with the usual root mean square method of obtaining these values. The graphical method not only allows processing of data within a short time, but it also allows visual detection of deviate results.
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