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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: Expansion-Shrinkage, Creep, and Elastic Modulus of Shrinkage-Compensating Gap-Graded Concrete
Author(s): Shu-t’ien Li and V. Ramakrishnan
Publication: Special Publication
Volume: 64
Issue:
Appears on pages(s): 123-152
Keywords: aggregate gradation; compressive strength; creep properties; expansion; expansive cement, Type K; expansive cements, gap-graded aggregates; modulus of elasticity; shrinkage; shrinkage-compensating cements.
Date: 7/1/1980
Abstract:This paper deals with the expansion-shrinkage characteristics, creep, and modulus of elasticity of gap-graded shrinkage-compensating concrete. Type K stir i nltage-compensat ing cement was used. Water-cement ratio was adopted as the main variable parameter. From the results of this investigation it is concluded that for constant aggregate-cement ratio wi th sanie size of aggregates, the expansion level is decreased by increasing the water-cement ratio, and the rate of expansion increases at higher water-cement ratios. Lateral restraint increases the longitudinal expansion as much as 25 percent. The percentage difference in the niaxinium unit longitudinal expansion between restrained and unkstrained specinlens decreases with increasing water-cement ratio. Modulus of elasticity test results are similar to those obtained for gap-graded Type I cement concrete.
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