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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: Effect of Temperature and Relative Humidity on Concrete Creep and Shrinkage
Author(s): K. Sakata and T. Ayano
Publication: Special Publication
Appears on pages(s): 1043-1058
Keywords: casting; creep; shrinkage; temperature
Abstract:Concrete creep and shrinkage strain obtained in constant temperature and constant humidity room are different from those observedinthe actual condition. Most of creep and shrinkage strain prediction equations predict the creep coefficient and shrinkage strain under the constant temperature and constant relative humidity. The effects oftemperaturehistory andrelativehumiditychange of atmosphere are not consideredinthese equations. In this study, the effect of the change of atmosphere condition on creep and shrinkage strain is discussed. It is shown that the concrete creep and shrinkage strain in actual ambient are influenced by casting season of concrete. Creep and shrinkage strain of concrete cast in winter aremuchbigger than those in summer. The significance to consider the effect of environmental change on concrete creep and shrinkage strain is emphasized in this paper.
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