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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: Accelerated Strength Tests for Quality Control of Paving Concrete
Author(s): R.K. Ghosh, M.R. Chatterjee, and Ram Lal
Publication: Special Publication
Appears on pages(s): 169-182
Keywords: accelerated tests; aggregate shape and texture; compressive
strength; concrete pavements; concretes; flexural strength; portland
cement compound composition; quality control.
Abstract:Research conducted in different parts of the world has led to the development of several pmcedues for accelerated stren th tests for concrete. While these procedures most il y relate to prediction of concrete compressive strength, no such work has been reported on flexural strength of concrete, which is essential In rigid pavement design. Studies reported herein attempt to bridge this gap. Among the different promising procedures for accelerated curing, Akroyd's Modified Boiling Water Method was considered to be the most suitable for field jobs like construction of concrete pavement. The studies were conducted with three different types of coarse aggregate and two ordinary portland cements of varying compound composition. The concrete mixes were designed for three different water-cement ratios 0 The findings confirmed that the correlations between the strengths of 7 or 28 days normally cured specimens and those cured under the stipulated accelerated condition were affected by the type of coarse aggregate and characteristics of cement like fineness and compound composition, but not by the quantity of cement present In the concrete mix. I t could be generally concluded that the Modified Boiling Water Method was capable of predicting the 7 or 28 days standard compressive and f lexur al strengths with reasonably good degree of accuracy.
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