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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: Computer Analysis and Plotting of Concrete Data
Author(s): Bruce Suprenant and Kent Barnes
Publication: Special Publication
Appears on pages(s): 125-136
Keywords: compressive strength; computer programs; concretes; control charts; evaluation; quality control; specifications; statistical analysis.
Abstract:This paper is intended to show the application of ACI 214-77 and the use of computer-generated data in evaluating concrete data. A computer program written in FORTRAN 77 and utilizing a CALCOMP plotter is used to analyze concrete strength results in accordance with ACI 214-77. To facilitate interpretation of the results, the following information is plotted: average of individual tests, five-test moving average, average strength, and required strength; test range, ten-test moving average range, and average range; and a five- and ten-test moving coefficient of variation and the overall coefficient of variation. Besides providing the information required by ACI 214-77, other concrete data is provided. For instance, histograms of the strength test results are plotted. Slump and entrained air content are plotted if this information is available. The slump and air data may prove to be beneficial when interpreting individual strength tests. A case study is examined to determine the usefulness of the FORTRAN program and the benefits provided by computer plotting of concrete data.
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