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권동혁(Kwon Dong-Hyuk),김한수(Kim Han-Soo) 대한건축학회 2003 大韓建築學會論文集 : 構造系 Vol.19 No.3
The successful completion of a construction project requires a thorough understanding of all stages and phases of the project, and can be enhanced through integration of design and construction during the pre-construction stage. Constructability is a major factor in measuring the success or failure of construction projects. During design stage, lack of construction knowledge/experience integration is major factor that leads to constructability problems during the construction stage. The objectives of this thesis are to find out constructability issues that have been continually generated from a structure's work of High-Rise Office Buildings, identify characteristics and importance, impact, frequency aspect of the constructability issues.
국내 건설사업 현장소장(PM)의 핵심 사업관리기술 분석 연구
김한수(Kim Han-Soo),권동혁(Kwon Dong-Hyuk) 대한건축학회 2003 大韓建築學會論文集 : 構造系 Vol.19 No.8
The preliminary study of this study demonstrated the significance of project management capabilities as leadership constituents of the project managers in construction projects. This study makes an analysis of project managers' business & role as a field of project management. The objective of this study is to identify strength & weakness aspects of project management capabilities in relation to project management skills in construction projects.
탄소강의 부식억제제로서 Amine Alcohol의 치환기에 의한 흡착 특성의 영향에 관한 연구
孫太源,閔丙喆,權東赫,金亨培 弘益大學校 科學技術硏究所 1991 科學技術硏究論文集 Vol.1 No.-
The inhibitive effect of monethanolamine, N-methylethanolamine and on carbon steel S.S.41 in the 3.5% NaCl solution has been studied using polarization test method. A significant retardation of corrosion rate was observed in the 3.5% NaCl solution containing the inhibitors. The adsorption characteristic of inhibitor was studied and the adsorption heat(???)was calculated by molecular interaction value f. The results obtained from polarization test method revealed that the efficiency of corrosion inhibition was effected by molecular interactions of adsorption complex on metal surface. Using Frumkin adsorption isotherm, which was most favorable isotherm to the experimental data, molecular interaction of adsorption(f) for MEA, and NMEA on carbon steel surface were calculated to be -8.77, and -8.25 Kcal/mole, respectively. From these results, the heat of adsorption were estimated to be 16.77 and 12.18Kcal/mole, respectively. From the activation energy values, it was known that mechanism of corrosion had been changed by the addition of corrosion inhibitors.
Perovskite 형 산화물 LaMo3 와 LaFe1-χCoχO3 의 일산화탄소가스에 대한 센서 응답 특성
임병오,손태원,권동혁 한국산업안전학회 1988 한국안전학회지 Vol.3 No.1
The oxides in perovskite type, LaMO₃ (M=Ni, Cr, Fe, Co), compared with gas sensors which have been used, were synthesised and then examined sensor response comparatively in order to make a thick film gas sensor having a good gas selectivity, durability and simple manufacturing. The oxides in perovskite type, LaFe_(1-x)O₃(x=0.2, 0,4, 0.6, 0.8), which a part of Fe was replaced with Co, were examined with regard to their electric resistance with variable temperature and sensor response for carbon monoxide gas.