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김병일(Kim, Byoungil),김수연(Kim, Soo-Ryon),오상근(Oh, Sang-Keun) 한국콘크리트학회 2021 한국콘크리트학회 학술대회 논문집 Vol.33 No.2
본 연구는 가시광 및 UV에 반응하는 광촉매를 광투과콘크리트(LEFC)에 혼입하여 광촉매를 콘크리트 표면에 노출시킨 후 가시광 및 UV에 미세먼지 전구물질인 No의 광분해능력을 평가하여 결과를 도출하였다. In this study, a photocatalyst that reacts to visible light and UV was mixed into light emotion friedly concrete (LEFC) and the photocatalyst was exposed to the concrete surface, and then the photodegradation ability of No, a precursor of fine dust, was evaluated and the results were derived.
한윤정 ( Han Yoon Jung ),김진녕 ( Kim Jin Nyoung ),서승훈 ( Seo Seung Hoon ),김수연 ( Kim Soo Ryon ),김병일 ( Kim Byoung Il ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This study was conducted examine the mechanical properties of LEFC in relation to the type of light weight aggregate and replacement ratio. For the specimen, different replacement ratio was used for recycled waste ALC and the bottom ash light weight aggregate respectively. The tests revealed that 60% of the waste ALC light weight aggregate is suitable for securing the optimal strength and light weight of the LEFC.
단위 수량 및 섬유 혼입량 변화에 따른 LEFC 작업성 검토
한윤정 ( Han Yoon Jung ),반홍준 ( Ban Hong Jun ),서승훈 ( Seo Seung Hoon ),김수연 ( Kim Soo Ryon ),김병일 ( Kim Byoung Il ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This study was conducted examine the workability of LEFC in relation to unit quantity of water and fiber addition. The LEFC should secure low weight and good flow by mixing light weight aggregate because the fresh concrete should cured so that gaps do not form between the acrlyic wedges and the concrete with the fresh. The slump tests revealed that fresh concrete with 180 units of water and 0.1% fiber content and fresh concrete with 190 units of water and 0.1%, 0.2% fiber content respectively had excellent workability.
기포제 종류 및 혼입량 변화에 따른 LEFC 작업성 검토
한윤정 ( Han Yoon Jung ),반홍준 ( Ban Hong Jun ),김진녕 ( Kim Jin Nyoung ),김수연 ( Kim Soo Ryon ),김병일 ( Kim Byoung Il ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
This study was conducted to examine the workability of LEFC in relation to the types and the mix ratio of different foaming agents. The foam agents act as lightweight aggregates in the concrete matrix and provide an alternative to obtaining the adequate strength level for the foam concrete. The results of the test showed that the synthetic foam agents were able to act properly as replacements for the lightweight aggregates.