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J. Ocean Eng. Technol. 2000;14(3):66-71.    

An Experimental Study on Strength Development of Concrete Including Fly Ash
석탄재가 혼입된 콘크리트 강도발현에 관한 연구
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(주)미산건설
Copyright © 2000 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Key Words: Fly ash, Strength development, Chemical activation, Air content, Slump, Short term strength
핵심용어: 석탄재, 강도발현, 촉진제, 유동성, 공기량, 조기강도
Abstract
The main objectives of this study are to carried out in order to evaluate strength development of Fly Ash concrete containing various amounts of Fly Ash such as 0%, 10%, 20% and 30%. The experimental variables included in this test program consist of content of Fly Ash, concrete strength and chemical activation. As Fly Ash increases, air content, strength development of concrete and slump loss of normal strength concrete were gradually decreased. The inclusion of Na$_2$SO$_4$increased the short-term strength of concrete that contains Fly Ash. In addition, the strength development of concrete that contains Fly Ash and Na$_2$SO$_4$were improved.


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