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Strength Characteristics of Concrete Containing Blast-Funrnace Slag as Coarse Aggregate
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 Title & Authors
Strength Characteristics of Concrete Containing Blast-Funrnace Slag as Coarse Aggregate
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 Abstract
A series of experiments were performed to investigate the strength characteristics of concrete which contain air cooled blast-furnace slag as coarse aggregate. The slag is a by product of GISC. The experimental conditions are varied with three different W/C(45%, 50%, 55%) and the weight of water and S/a are constant. The strength properties of the concrete at 7days, 28days, 90days are examined. Also the same strength properties are examined for the normal concrete which contain river gravel and crushed stone respectively as coarse aggregate. As the comparison results of the strength properties, it was found that the compressive strength development of concrete containing blast-furnace slag is better than that of concrete using river gravel at early age, however this is adversely at long-term age, and the tensile and flexural strength of the concrete were not nearly affected by water-cement ratio.
 Keywords
blast-furnace slag;coarse aggregate;strength characteristics;water-cement ratio;
 Language
English
 Cited by
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