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임정희,최석규,김광호,김병선 대한건축학회 2007 대한건축학회논문집 Vol.23 No.3
Recently, the condensation of walls often occurring in domestic high-rise apartment buildings is an important problem.The main purpose of this study is to develop the prediction method for the surface condensation on curtain wall in high-rise apartment buildings. Therefore, in this study, we first analyzed exterior climate factors through the analysis of the Seoul climate data and predicted the change of indoor temperature by using Apache program to find the cause of the condensation state and to prevent condensation. Also, according to this result, exterior climate factors and interior factors, which caused the condensation, was examined. The thermal performance of the curtain wall and the range of potential condensation were analyzed to focus on high-rise apartment buildings through computer simulation programs. The results are as follows; 1) The frame edge of curtain wall has a higher U-value than in the center by 30%. 2) Because of stack effect, the rooms on the higher floor have a lower external ventilation rate resulting to a higher relative humidity. 3) Installing a ventilation system(20 ㎥/hperson) makes it possible to have a higher external ventilation rate, resulting to a lower relative humidity.
FRP 패널로 보강한 강골조의 가이드 시스템에 따른 성능평가
임정희,권민호,서현수,김진섭 한국복합신소재구조학회 2015 복합신소재구조학회논문집 Vol.6 No.2
Since it is impossible to predict earthquakes, they involve more casualties and property damage compared to meteorological disasters such as heavy snow and heat waves, which can be predicted through weather forecasts. This has highlighted the need for seismic design and reinforcement. Recently, the use of composite materials as reinforcement has surged because steel plate reinforcement and section enlargement are likely to result in increased weight and physical damage to structures. This study evaluates the seismic performance of panels created from composite materials, and their guide systems. The specimens were miniature versions of actual steel structures, and displacement loads were applied in the transverse direction. Seismic performance was found to improve when structures were reinforced with seismic panels.
기업가 정신이 혁신행동 및 경영성과에 미치는 영향: 서울시내 5성급 호텔을 중심으로
임정희,공석길,오석윤 한국호텔관광학회 2019 호텔관광연구 Vol.21 No.4
This study investigated the influence of a hotel corporation’s entrepreneurship on the employee’s innovative behavior and management performance, which leads to a solution that could bring a positive alteration to a hotel corporation as well as its employees. Furthermore, the study intended to reveal the implications for the improvement of competitive power and sustainable growth of domestic hotel corporations. In order to achieve the goal of this study, the hypotheses were set based on previous studies and were verified through empirical analysis. Also, for the verification of established hypotheses and research model, a survey was conducted. The population of the study was set as the employees of domestic hotel corporations, and to estimate the population, the sample was set and collected from employees of twelve five-star hotels located in the downtown area of Seoul. To compound the verification results, the hotel corporation’s entrepreneurship factors recognized by hotel employees had influence on idea development in the order of progressiveness, innovativeness and autonomy, while the impact on idea implementation was high in the order of progressiveness and autonomy. The innovative behavior factors of hotel employees showed a high effect on both financial and non-financial performance in the order of idea development and idea implementation. Hotel corporation’s entrepreneurship factors affected non-financial performance in the order of progressiveness, autonomy and risk-taking, while influencing financial performance in the order of progressiveness, risk-taking, autonomy and innovativeness.