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리젝트애시를 사전혼합골재로 활용시 AE제에 의한 공기량 확보방안
현승용 ( Hyun Seong-yong ),문병룡 ( Moon Byong-yong ),이제현 ( Lee Jea-hyeon ),장덕배 ( Jang Dik-bae ),한민철 ( Han Min-cheol ),한천구 ( Han Cheon-goo ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.2
This paper is to provide a method to prevent air loss of the concrete using reject ash based ternary blended aggregate due to absorption of AE agents by reject ash by adding AE agents into reject ash before mixing concrete. Test results indicate that air loss due to presence of reject ash in ternary blended aggregate can be recovered by over use of AE agents into aggregate directly before mixing.