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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: Performance of Shrinkage-CompensatingConcretes in Slabs
Author(s): H. G. Russell
Publication: Special Publication
Appears on pages(s): 81-114
Keywords: concrete slabs; creep properties; curing; drying shrinkage; expansive cement concretes; expansive cement,Type K; expansive cement, Type M ; expansive cement,Type S; expansive cements; lightweight concretes; reinforced concrete; restraints
Abstract:This paper reports an experimental investigation to evaluate the performance of reinforced concrete slabs made with shrinkage compensating concrete. The effects of type of cement, type ofaggregate, percentage and position of reinforcement, slab thickness and curing conditions on expansion and subsequent shrinkage were evaluated. Measurements were made on 41 slabs. Flexural tests were conducted to determine the effects of the variables on cracking and strength. Generally, the level of expansion affected the cracking loads but had no effect on flexural strength. Final net shrinkage for slabs with shrinkage-compensating concrete was less than that for comparable slabs made with Type I cement. Creep tests were also conducted to measure the properties of shrinkage compensating concretes under constant axial load. The results were compared with data from similar specimens containing Type I cement. Initial deformations were predicted accurately usin the theory of elasticity. Measured creep of the slabs containing shrinkage-compensating concretes was higher than the creep of corresponding Type I slabs.
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