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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: Stresses in Reinforced Concrete Due to Volume Change
Author(s): Frank R. Beyer
Publication: Journal Proceedings
Appears on pages(s): 713-722
Keywords: no keywords
Abstract:A study of stresses set up in reinforcing steel and concrete by volume changes. SR-4 gaes were attached the reinforcing steel and after being carefully waterproofed, the test specimens were poured in essentially watertight forms. Strain readings began immediately and continued at varying intervals for three months. A drift test to determine the effect of diminishing battery potential was included to correct for this variable. Charts are presented to show the stresses measured during the tests. The author concludes that with proper precautions the SR-4 strain gage will measure the actual stress induced by volume changes. These stress, occuring in reinforced concrete in a definite cycle with respect to time, are appreciable and perhaps should be considered in design.
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