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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.
전처리에 의한 개질 CGS를 잔골재로 활용한 모르타르의 기초적 특성
김수호 ( Kim Su-hoo ),백성진 ( Beak Sung-jin ),임군수 ( Lim Gun-su ),한준희 ( Han Jun-hui ),김종 ( Kim Jong ),한천구 ( Han Cheon-goo ) 한국건축시공학회 2022 한국건축시공학회 학술발표대회 논문집 Vol.22 No.1
This study analyzed the basic characteristics of mortar using CGS modified by pretreatment. As a result of the analysis, it was found that CGS after reforming can be partially replaced with fine aggregates to solve the existing air volume reduction problem when used, and can contribute positively in terms of securing fluidity and improving strength. Therefore, it is considered necessary to verify as a functional material of CGS through concrete durability experiments as a future task.
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.
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.
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.