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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: Studies on the Properties of Super Workable Concrete Using Ground Granulated Blast-Furnace Slag
Author(s): Y. Maeda, T. Chikada, Y. Nagao, Y. Dan and
Publication: Special Publication
Appears on pages(s): 837-856
Keywords: blast furnace slag; carbonation; compressive strength; concrete; drying
shrinkage; fineness; initial curing condition; porosity; resistance to freezing and
thawing; water permeability.
Abstract:This report presents the properties of hardened super workable concrete in which ground granulated blast furnace slag was used, and compare these properties with the corresponding properties of ordinary concrete. Two ground granulated blast furnace slags of fineness 4500 cm2/g and 6150 cm2/g were used for this research. The replacement ratio of cement by blast furnace slag were controlled to O%, 30%, 5O%, and 70%. The concrete specimens were cured by four different methods; in air continuously, in water for 3 days and then in air, in water for 7 days and then in air and in water continuously. The super workable concretes, which were cured in water suffciently at early ages, exhibited higher performance in compressive strength, water permeability, resistance to freezing and thawing and carbonation in comparison with ordinary concrete. As for the porosity as well, the total pore volume of these concrete were lower than that of ordinary concrete. This excellent performance was more remarkable in the super workable concrete with BFS of fineness of 6000 cm2/g. But, these properties of: super workable concrete with BFS were more sensitive to initial water curing period than the concrete without BFS.
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