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20℃ 조건에서 초지연제 혼입율 변화에 따른 응결지연 성능 변화 분석
임군수 ( Lim Gun-su ),한수환 ( Han Soo-hwan ),현승용 ( Hyun Seung-yong ),김종 ( Kim Jong ),한민철 ( Han Min-choel ),한천구 ( Han Cheon-goo ) 한국건축시공학회 2020 한국건축시공학회 학술발표대회 논문집 Vol.20 No.2
This research is part of the research for unifying the mass concrete and utilizing the rate of super retarding agent. We analyzed the performance of super retarding agent 20℃ conditions. It was found that there was no deterioration in fluidity and air quality due to the change in the super retarding agent mixing rate. It was found that when super retarding agent was mixed up to 0.5 %, it was delayed for 22.3 hours at 20℃. Therefore in order to ensure the performance required at the site, the super retarding agent mixing rate must be determined by fully considering the situation at the site. In addition it will be analyzed that super retarding agent performance analysis at high temperature will be required in subsequent studies.
양생온도 변화에 따른 초지연제의 응결지연 성능 변화 분석
현승용 ( Hyun Seung-yong ),임군수 ( Lim Gun-su ),한수환 ( Han Soo-hwan ),김종 ( Kim Jong ),한민철 ( Han Min-choel ),한천구 ( Han Cheon-goo ) 한국건축시공학회 2020 한국건축시공학회 학술발표대회 논문집 Vol.20 No.2
This research is part of the research for unifying the mass concrete and utilizing the rate of super retarding agent. We analyzed the performance of super retarding agent under low temperature conditions. It was found that there was no deterioration in fluidity and air quality due to the change in the super retarding agent mixing rate. It was found that when super retarding agent was mixed up to 0.5 %, it was delayed for 22.3 hours at 20℃, 48.2 hours at 10℃, and 48.5 hours at 5℃. Therefore in order to ensure the performance required at the site, the super retarding agent mixing rate must be determined by fully considering the situation at the site. In addition it will be analyzed that super retarding agent performance analysis at high temperature will be required in subsequent studies.