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Improvement of Properties of High Strength Concrete Using Fly Ash and Gypsum
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 Title & Authors
Improvement of Properties of High Strength Concrete Using Fly Ash and Gypsum
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 Abstract
In producing high strength concrete, the most practical method is to use high range water reducing admixture(HRWR). Workabili쇼 of concrete using HRWR varies rapidly with elapsed time after mixing. Effects of fly ash and gypsum on slump loss and compressive strength of concrete were examined by experiment in this study. The slump loss of high strength concrete was reduced with increase of substitution ratio of fly ash. When 2~4% gypsum of cement weight was applied, the reduction of slump loss was not prominent and strength increase appeared at all test ages.
 Keywords
high strength concrete;fly ash;gypsum;slump loss;compressive;
 Language
Korean
 Cited by
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