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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: Effects of Curing and Drying Enviroments
on Splitting Tensile Strength of Concrete
Author(s): J. A. Hanson
Publication: Journal Proceedings
Appears on pages(s): 535-543
Keywords: age-strength relation;compressive strength;concretes;curing;drying;drying shrinkage;expanded shale aggregates;fine aggregates;gravel (material); humidity;lightweight aggregates;moist curing;moisture content;Monfor relative humidity probe;research;sand.
Abstract:The splitting tensile strengths of lightweight and normal weight concretes were investigated in two test series which dealt with the effects of the curing and drying environments. The first series showed that the duration of the initial moist curing period prior to drying at 50 percent relative humidity had little effect on the splitting tensile strength. While there was a loss of splitting strength for the lightweight concrete early in the drying periods, continued storage in the drying atmosphere led to considerable gain in the splitting strengths. In the second series, concretes were subjected to drying for 21 days at different levels of relative humidity after initial moist curing for 7 days. Only minor changes of splitting strength were found as the relative humidity varied from 75 to 10 percent.
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