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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: Effect of Steam Curing on Compressive Strength of Fly Ash Concrete
Author(s): K. Kohno, Y. Mitsuiwa and K. lshimaru
Publication: Special Publication
Appears on pages(s): 177-190
Keywords: compressive strength; curing; fly ash; temperature.
Abstract:The effects of steam curing conditions such as the presteaming period and the maximum curing temperature on the compressive strength of fly ash concrete were investigated and compared with those of plain concrete in order to use fly ash for precast concrete products. The replacement ratios of cement by fly ash were 0, 20 and 40 percent. The presteaming period ( 2, 4 and 6 hours ) and maximum temperature during steam curing ( 65°C and 80°C ) were varied in this test. The compressive strength of 100 X 200 mm cylinder specimens were determined at the ages of 1, 7 and 28 days. As a result of this investigation, the adoption of a longer presteaming period of 4 to 6 hours and a maximum curing temperature from 65°C to 80°C is recommended for the steam curing of fly ash concrete to obtain higher strength at various ages.
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