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임재현(Lim Jae Hyeon),김영근(Kim Young Geun),김동현(Kim Dong Hyeon),정찬묵(Jung Chan Mook) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Recently, as the construction of new railway and the relocation of existing line increase, tunnel structures grow longer. The railway fire accidents in long tunnel bring large damages of human life and disaster. The interest of safety in long tunnel have a growing and the safety standard of long tunnel is tightening. For that reason, at the planning of long tunnel, the optimum design of safety facility in long tunnel for minimizing the risks and satisfying the safety standard is needed. For the reasonable design of long railway tunnel considering high safety, qualitative estimation for tunnel safety is required. In this study, QRA(Quantitative Risk Analysis) technique is applied to design of long railway tunnel for assuring the safety function and estimating the risk of safety. The case study for safety design in long railway tunnel is carried out to verifying the QRA technique for two railway tunnels(Kyungan tunnel and Haewoonde tunnel). Thus, the inclined and vertical shaft for escape way and safety facilities in long tunnel are planned, and the risks of tunnel safety for each case are estimated quantitatively.
논 문 : 주상복합아파트 임대료의 산포에 영향을 주는 요인
임재현 ( Jae Hyeon Lim ),정승영 ( Seung Young Jeong ) 한국감정평가학회 2013 감정평가학논집 Vol.12 No.1
부동산시장에서 아파트의 평균 매매가격은 점진적으로 하향하는 추이를 보이고 대조적으로 아파트의 평균 전세가격은 지속적으로 상향하는 현상이 나타나면서 소비자들의 주택의 선택기준이 크게 변하여 왔다. 소비자들은 자본이득 보다는 사용가치에 더욱 관심을 가지고 있어 부동산개발업자는 급격하게 변하는 소비자들의 요구에 대응하기 위해 다기능 복합부동산 제공하여 왔다. 이리하여 복합기능의 주거공간의 특징과 가치에 영향을 주는 요인들에 대한 연구가 필요하다는 지적이 있어 왔다. 본 연구의 목적은 서울시 주상복합아파트 임대료의 산포에 영향을 주는 요인을 다중회귀분석을 이용하여 실증적으로 제시하는 데 있다. 본 연구 결과를 요약하면 다음과 같다. 첫째, 서울시 주상복합아파트의 전세가격 산포 결정요인의 주요 변수는 호별 주택면적과 지가이다. 주택면적이 한 단위 증가할 때, 한 단위의 전세가격의 산포가 증가한다. 또한 지가가 증가할수록 전세가격의 산포가 증가한다. 둘째, 주상복합아파트의 전세가격을 선형, 이중로그모형으로 구분하여 분석한 결과, 선형 모형의 경우에는 전세가율, 주택면적, 세대수, 전세 하한가격이 가격 산포에 유의한 영향을 주며, 이중로그모형의 경우에는 주택면적과 공시지가만이 유의한 영향을 주었다. 그리고 주택의 호별 주택면적, 방의 개수, 난방형태, 입지에 따라 주상복합아파트의 전세가격 산포에 차이가 나타난다. The average sales price of apartments has been gradually decreased, while the average rent has been consistently increased. It means that the important factors of consumers in selecting residential areas have been changed from capital gains to utility values. Real estate developers have provided consumers with mixed-use living spaces. It has been pointed out that the studies on the factors affecting their characteristics and values are needed. This article proposes a empirical methods for the rental-price dispersion determinants of mixed-use housing in Seoul by using hedonic price function. The results of this study are as follows. First, the major determinants of rental-price dispersion of mixed-use houses are housing size per house and land price. When 1 unit of housing size increases, 1 unit of rental-price dispersion increases. Also, it is true in the relationship between the land price and the rental-price dispersion of mixed-use apartments. Second, according to the results of the analyses, rent ratio, housing size, household units and the lowest limit of rental price are affecting rental-price dispersion at the linear hedonic price model. On the other hand, housing size and land price are only effective to rental-price dispersion at the log-log hedonic model. Also, it was analyzed that size of each housing unit, number of rooms, heating type and location have effects on the rental-price dispersion of mixed-use buildings in Seoul. It is the limit of this study that the factors, such as the landscape, the level of sunshine, noise, the relationship with neighbors and so on, are excluded. We will try to study the topics including the factors in the future.
공용공간 개선 및 활성화를 위한 지식산업센터 건축계획에 관한 연구
임재현(Lim, Jae Hyeon),김경순(Kim, Kyoung Soon) 대한건축학회 2023 대한건축학회 학술발표대회 논문집 Vol.43 No.2
The purpose of this study is to identify the characteristics and composition of public spaces in the Knowledge Industry Center and the Knowledge Industry Center and to analyze recent trends to derive measures to improve and revitalize the public space of the Knowledge Industry Center. We would like to propose a plan for a knowledge industry center with public facilities to optimize the work environment of the knowledge industry center through case studies and analysis of the knowledge industry center planned or completed after 2016.