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FAC 및 CGS 치환율에 따른 매스 콘크리트의 수화열 해석
김수호 ( Kim Su-hoo ),백성진 ( Beak Sung-jin ),한수환 ( Han Soo-hwan ),한준희 ( Han Jun-hui ),김종 ( Kim Jong ),한민철 ( Han Min-cheol ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
This study analyzed the temperature stress through mixtures mass concrete hydration heat analysis according to the replacement rates of FAC and CGS. As a result of the analysis, it was possible to confirm the effect of reducing hydration heat when CGS is substituted for the low heat mixture of mass concrete. However, the stress of the FAC+CGS combination exceeded the tensile stress. It is believed that it is necessary to apply the insulating sheet of the surface part and reduce the unit weight of cement.
CGS를 잔골재로 활용한 콘크리트의 사전혼합시멘트 종류별 탄산화 특성
한준희 ( Han Jun-hui ),김수호 ( Kim Su-hoo ),백성진 ( Beak Sung-jin ),한수환 ( Han Soo-hwan ),김종 ( Kim Jong ),한민철 ( Han Min-cheol ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
In this study, concrete durability was reviewed before CGS, a by-product generated from IGCC, was used as a fine aggregate for concrete. The characteristics of concrete and effect on carbonization according to the type of pre-mixed cement and the CGS substitution rate were analyzed. As a result of the analysis, the depth of carbonation according to the pre-mixed cement types increased by up to 52%, and the carbonation resistance tended to be similar overall when CGS was used as a fine aggregate.
매스콘크리트 저발열 배합의 CGS 잔골재 활용에 관한 Mock-up 시험
한준희 ( Han Jun-hui ),임군수 ( Lim Gun-su ),백성진 ( Beak Sung-jin ),한수환 ( Han Soo-hwan ),김종 ( Kim Jong ),한민철 ( Han Min-cheol ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
In this study, conducted a Mock-up test on the use of TBC and CGS fine aggregates for the purpose of reducing the upper and lower hydration heat according to the horizontal division and punching of mass concrete. As a result of the experiment, it is judged that it will be effective in preventing temperature cracking of mass concrete when mixing the upper and lower parts and replacing CGS.
DNN을 활용한 강도예측모델의 손실함수 최소화 기법 비교분석
한준희 ( Han Jun-hui ),김수호 ( Kim Su-hoo ),백성진 ( Han Soo-hwan ),한수환 ( Beak Sung-jin ),김종 ( Kim Jong ),한민철 ( Han Min-cheol ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
In this study, compared and analyzed various loss function minimization techniques to present a methodology for developing a natural intelligence-based prediction system. As a result of the analysis, He Initialization was the best with RMSE: 3.78, R2: 0.94, and the error rate was 6%. However, it is considered desirable to construct a prediction system by combining each technique for optimization.
DNN을 활용한 콘크리트 건조수축 예측 모델의 활성화 함수 비교분석
한준희 ( Han Jun-hui ),김수호 ( Kim Su-hoo ),백성진 ( Han Soo-hwan ),한수환 ( Beak Sung-jin ),김종 ( Kim Jong ),한민철 ( Han Min-cheol ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.2
In this study, compared and analyzed various Activation Functions to present a methodology for developing a natural intelligence-based prediction system. As a result of the analysis, ELU was the best with RMSE: 62.87, R<sup>2</sup>: 0.96, and the error rate was 4%. However, it is considered desirable to construct a prediction system by combining each algorithm model for optimization.
프리믹스 시멘트 종류 및 CGS 치환에 따른 콘크리트의 길이변화율 특성
한준희 ( Han Jun-hui ),김수호 ( Kim Su-hoo ),백성진 ( Han Soo-hwan ),한수환 ( Beak Sung-jin ),김종 ( Kim Jong ),한민철 ( Han Min-cheol ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
In this study, propose a plan to efficiently utilize CGS, a by-product generated from IGCC, as a mixed fine aggregate for concrete. The effect of the premixed cement types and CGS replacement rate on the overall characteristics and length change rate of concrete was analyzed. As a result of the analysis, the effect of CGS was found to be insignificant, and the effect of cement was found to be dominant.