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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 and distribution of 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: Prediction of the Thermal Coefficient
of Expansion of Concrete
Author(s): Jack H. Emanuel and J. Leroy Hulsey
Publication: Journal Proceedings
Appears on pages(s): 149-155
Keywords: age;aggregates; bridges (structures);cement pastes: concretes; expansion; fineness; limestone; mix proportioning; moisture content; portland cements; temperature;thermal expansion: thermal properties; thermal stresses;volume
Abstract:A review of the literature identifies age, moisture content, and proportion of the mix as the principal factors affecting the thermal coefficient of expansion of concrete. From the discussion, correction factors and an empirical equation are developed which take into account these factors. Coefficients are calculated for twelve sets of reported data and compare favorably with the reported values. Although the resultant values would be subject to fluctuation resulting from environmental effects, the equation provides a realistic value for design consideration of thermal movements and resultant stresses.
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