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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: A Program to Test Cements for Variations in Strength Producing Properties
Author(s): Richard H. Campbell
Publication: Journal Proceedings
Appears on pages(s): 266-275
Keywords: chemical analysis;compressive strength;cubes;fineness;mortars (materials); portland cements;quality control;testing.
Abstract:Five brands of cement produced in Southern California were sampled and tested monthly by a ready mixed concrete producer. The compressive strength potential of the cements was checked by using a cube test which used a more realistic cement content and a constant water content of 65 percent. The results of 410 sets of cubes, chemical analysis, and fineness determinations are reported for a 5 year period. A sample of a blended control cement was included each month to check the workmanship of the laboratory conduct-ing the tests. An analysis of the variations in reported strength of the controls revealed a pattern. It was felt that this pattern was caused by environmental influences of the laboratory and contributed to a portion of the variations in the cements being tested.
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