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Hydromete의 원리를 이용한 레미콘 공장에 입고되는 OPC의 분말도 신속 품질평가법 제안
이재진 ( Lee Jae-jin ),이제현 ( Lee Jea-hyun ),현승용 ( Hyun Seong-yong ),김영태 ( Kim Yeong-tae ),한민철 ( Han Min-cheol ),한천구 ( Han Cheon-goo ) 한국건축시공학회 2017 한국건축시공학회 학술발표대회 논문집 Vol.17 No.2
In this research, the density value of the turbid solution is measured by using the principle of inexpensive but easy Hydrometer method for cement delivered to the actual raw concrete plant, By analyzing the correlation of powder aid, we will try to present a scheme that can be utilized as a method of acquisition acquisition inspection. As a result of the analysis, it was found that there was a large difference between the measured powders assisted with cement powder on the report, and the correlation with the actually measured powder aid Hydrometer density value was good. Therefore, using the method of Fig. 3, it was possible to know that the degree of powder quality of cement delivered to the raw concrete factory can be evaluated quickly and utilized at the time of argument inspection.
화력발전부산물을 골재로 사전혼합한 혼합골재 고강도 모르타르의 공학적 특성
현승용 ( Hyun Seong Yong ),백철 ( Baek Cheol ),이제현 ( Lee Jea Hyeon ),박구병 ( Park Goo Byeong ),한민철 ( Han Min Cheol ),한천구 ( Han Cheon Goo ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
In this research, in order to improvement the performance of the two-component mixed aggregate mixed with fine granite fine aggregate and seawater, the examination of the effect of reject ash on the cement mortar according to the change of substitution rate was done. As a result, it was found that the effect of improving the compressive strength is more effective when the rejection ash is replaced by 5% in the mixed aggregate than in the case of using the high quality aggregate.