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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.
Showing 1-5 of 21 Abstracts search results
January 1, 1979
The trends in the rate of slump loss in superplasticized concrete due to the variation in temperature, concrete consistency, cement content and type, time of conventional admixtures in conjunction with the superplasticizer were determined.
D. Sadagopal, V. Ramakrishnan, William V. Coyle, and C. Besancon
This work presents the results of an experimental investigation to develop equations for estimating the potentional strength, modulus of elasticity, dry unit weight and pulse velocity of both regular and superplasticized concrete by using the Accerlerated Curing Method recommend by the American Society for Testing and Materials. A series of 24 concrete mixes (12 control and 12 superplasticized) were tested. The variables used were water-cement ratio, the initial temperature of concrete and air content.
W.G. Ryan and R.L. Munn
Several types of chemical admixtures capable of causing large increases in the workability and consistency of concrete have been extensively tested in the laboratory. This research has led to a number of successful field applications for superplasticised concrete in both ready mixed and prescast concrete in Australia since 1974.
W.F. Perenchio, D.A. Whiting, and D.L. Kantro
Concretes with nomial cement contents of 376, 517, and 658 lb. per cu.yd. at slumps of 2 to 3 inches were prepared. Control concretes and concretes containing four proprietary superplasticizers at the manufacturer's recommended dosages were included.
P.T. Seabrook and V.M. Malhotra
Part I of the paper reports results of an investigation undertaken to evaluate the degree to which the 7- and 28-day strengths of concrete test cylinders containing superplasticizing admixtures could be estimated by the modified boiling (accelerated curing) tests procedure. . .Part II of the paper reports the results of an investigation to determine the effect of repeated doses of superplasticizers on the properties of concrete.
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