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전기로 산화슬래그 골재를 활용한 X선 차폐 콘크리트 개발에 관한 실험적 연구
임희섭,이한승,최재석,Lim, Hee-Seob,Lee, Han-Seung,Choi, Jae-Seok 대한건축학회 2011 대한건축학회논문집 Vol.27 No.7
Existing concrete radiation shielding has been studied for many. However, research in progress using steel slag aggregate was not. Recently, worldwide propose to preserve the global environment and energy, the waste of human resources improvement, and resources to build a recycling-oriented society. The steel slag, a by-product which is produced during the manufacture of steel by refining pig iron, has generated about 20 million tons yearly. However, it is difficult to recycle steel slag as aggregate for concrete because the reaction with water and steel slag could make the expansion of volume. Recently, many studies throughout the steel slag can be recycled. In this study, using high specific gravity of steel slag coarse aggregate and fine aggregate were developed for radiation shielding concrete.
전기로 산화슬래그 혼입 콘크리트의 물-시멘트비에 따른 경화 콘크리트의 기계적 성능
임희섭 ( Lim Hee Seob ),권성준 ( Kwon Seung Jun ),윤용식 ( Yoon Yong Sik ),황상현 ( Hwang Sang Hyeon ),조성준 ( Cho Sung Jun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
In this paper, the mechanical properties of hardened concrete were evaluated by using electric arc furnace oxidizing slag(EOS) aggregate. Water-Cement(W/C) ratio was selected as 0.45 and 0.30, and the mixing amount of EOS aggregate as 0%, 50%, 100%. Experiments were carried out to compare the unit volume weights by concrete mixing, and the compressive strength test was carried out at 28 days of age. The unit volume weight and compressive strength of the EOS aggregate increased as the amount of the mixture increased. It also shows the difference according to the W/C ratio.
전기로 산화슬래그 콘크리트의 물-시멘트비에 따른 굳지 않은 콘크리트의 기계적 성능
임희섭 ( Lim Hee Seob ),권성준 ( Kwon Seung Jun ),윤용식 ( Yoon Yong Sik ),황상현 ( Hwang Sang Hyeon ),조성준 ( Cho Sung Jun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
In this paper, the mechanical properties of fresh concrete were evaluated by using electric arc furnace oxidizing slag(EOS) aggregate. Water-Cement(W/C) ratio was selected as 0.45 and 0.30, and the mixing amount of EOS aggregate as 0%, 50%, 100%. Experimental items of fresh concrete were slump, flow, air content, unit volume weight. As a results, As the mixing amount of EOS aggregate increased, the slump and flow increased but the air content decreased.
전기로 산화슬래그 골재를 활용한 X선 차폐 콘크리트 개발에 관한 실험적 연구
임희섭(Lim Hee-Seob),이한승(Lee Han-Seung),최재석(Choi Jae-Seok) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.7
Existing concrete radiation shielding has been studied for many. However, research in progress using steel slag aggregate was not. Recently, worldwide propose to preserve the global environment and energy, the waste of human resources improvement, and resources to build a recycling-oriented society. The steel slag, a by-product which is produced during the manufacture of steel by refining pig iron, has generated about 20 million tons yearly. However, it is difficult to recycle steel slag as aggregate for concrete because the reaction with water and steel slag could make the expansion of volume. Recently, many studies throughout the steel slag can be recycled. In this study, using high specific gravity of steel slag coarse aggregate and fine aggregate were developed for radiation shielding concrete.
전기로 산화슬래그 잔골재 치환율에 따른 GGBFS 혼입 콘크리트의 기계적 성능에 관한 연구
임희섭 ( Lim Hee Seob ),권성준 ( Kwon Seung Jun ),윤용식 ( Yoon Yong Sik ),황상현 ( Hwang Sang Hyeon ),조성준 ( Cho Sung Jun ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.2
In this paper, the mechanical properties of GGBFS concrete according to the replacement ratio of electric arc furnace oxidizing slag fine aggregate was evaluated. As the replacement rate of EOS fine aggregate increased, the amount of slump and air content decreased. In addition, EOS concrete increased the initial compressive strength, but, it tended to decrease at 28 days.