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지속가능성에 기반한 고속철도 역세권 개발경향에 관한 연구 - 홍콩 서구룡역 프로젝트를 중심으로 -
정용화(Jung, Yong-Hwa),박용서(Park, Yong-Seo) 대한건축학회 2024 대한건축학회논문집 Vol.40 No.2
The study of the West Kowloon Cultural District development area, secured through large-scale reclamation projects around Hong Kong’s West Kowloon Station, reflects a commitment to promoting sustainable development while capturing the essence of cultural identity and memories within the context of Hong Kongs unique street lifestyle, humanities, and social fabric. Specialized strategies have been introduced in the West Kowloon District to address urban challenges comprehensively and function as part of an integrated circulation system. These strategies encompass four main types: urban density reduction, achieved through a zoning plan emphasizing low-density development; traffic congestion alleviation, utilizing a triple node system accommodating both powered and non-powered means of transportation; air pollution reduction, with a focus on establishing a green axis through an ecological passageway in the city center; and economic revitalization, realized through mixed-use development integrated into urban and ecological circulation, resembling a vast ultra-organism reliant on the transportation network. In conclusion, guided by this development strategy, the initiative stands as a crucial instrument for advancing sustainable development and preparing measures to enhance its trajectory.
고속철도역사 기반 역세권 개발 관련 지속가능성에 관한 연구 - 샌프란시스코의 트랜스베이 지구를 중심으로 -
정용화(Jung, Yong-Hwa),박용서(Park, Yong-Seo) 한국주거학회 2020 한국주거학회 논문집 Vol.31 No.1
In this study, it is related to the introduction of high-speed railways, which have recently become a major means of intercity transportation links. Through the introduction of such high-speed trains, analysis are made regarding the concept of sustainability on the development of station area strategies that act as a driving force for growth. The analysis of San Francisco’s Transbay program as a representative example of this approach has shown that based on the Smart Groth strategy, it is associated with the New Urbanism-based public transportation oriented development element and the approach of the theory aspect of the Compact City. This analysis ultimately summarizes the economic, social and environmental related to the factors of sustainability and the content of development of station area. First, the economic aspects include the TOD-based reorganization of urban space and the creation of various benefits by utilizing sustainable infrastructure. Second, social aspects include the creation of a community in the surrounding areas where the newly planned Intermodal Transfer Center facilities are centered, and the development of a neighborhood complex to ensure stable residence. Finally, environmental aspects include the creation of a residential environment through the implementation of green urban, securing sustainable water resources and the organization of a hybrid mixed-use complex between Nature and artificiality.
전상봉,정용화,안창회,Jeon Sang-Bong,Jung Yong-Hwa,Ahn Chang-Hoi 한국정보통신학회 2006 한국정보통신학회논문지 Vol.10 No.7
광대역 안테나는 안테나의 급전점과 끝부분의 개방부분사이에서 다중 반사가일어나서 입력신호의 끝부분에 떨림 현상이 열어난다 . 이는 기본적으로 안테나의 협대역 특성에 기인하는데, 저항성 부하는 이러한 떨림 현상을 줄일 수 있다. 이 방법은 송수신 사이의 거리가 가까운 GPR 시스템이나 신호가 빨리 감쇄하는 공진산란 측정 시스템에서 산란체에 의한 신호의 보호를위해 송신신호의 왜곡을 줄이는것에 중요하다 .본 논문에서는안테나의 내부 다중 반사를줄이기 위해 저항성 부하를 가진 초광대역 안테나를 설계하고 제작하여 개선된 측정결과를 얻었다. Broadband antennas have late-time ringing by multi-reflections between feed points and 0pen ends of the antennas, which indicates the narrowband nature of the antenna. The resistive loading has been used to reduce the late time ringing that is important for ground penetrating radar and resonance detection systems in order to prevent masking of target. In this paper, we design an ultra wide band antenna with resistive loading technique to reduce the internal reflections within the antenna.. The designed antenna is implemented and tested to show inIproved characteristics.
복합환승센터의 도시공간상 유기적 연계 특성에 관한 연구 - 샌프란시스코의 트랜스베이 트랜싯 센터 중심으로 -
박용서(Park, Yong-Seo),정용화(Jung, Yong-Hwa) 한국주거환경학회 2020 주거환경(한국주거환경학회논문집) Vol.18 No.1
The Transbay Transit Center, the first high-speed railway-centered intermodal transit center to be introduced in San Francisco’s Transbay District, is transforming, as a gradual evolution of the former physical development centered on railway facilities, into a trend of sustainable TOD(Transit-Oriented Development)-based progress that unites society, culture, and environment based on compact city models, new urbanism, and mixed-use public transportation facilities. First, from the urban perspective, the pattern of organic integration across San Francisco, beyond spatial integration with adjacent districts, is striking, and moves are under way to establish its status as a hub of urban growth, transforming the urban center into the Transbay Transit Center through the form of macro landscapes, traffic nodules in the skyline, and open space planning. Second, on the architectural side, the aspect of the layout planning approach through a mixed-component approach between various traffic-system means, rather than building-oriented individual facility-architecture development methods, is highlighted and three-dimensionally linked to mixed-use functions. Third, concerning transport-hub-based mixed-use developments, architecture and transport infrastructure serve as an integrated interface and are mixed with each other. Based on these three viewpoints, the development is differentiated from the concepts of existing TOD and the intermodal transit center.
파르디외 지구 개발에서 나타나는 인공지반의 특성에 관한 연구 - 리옹 파르디외역을 중심으로 -
전용재(Jeon, Yong-Jae),정용화(Jung, Yong-Hwa),박용서(Park, Yong-Seo) 대한건축학회 2022 대한건축학회 학술발표대회 논문집 Vol.42 No.2
The purpose of this study was to develop a three-dimensional complex based on artificial ground around Lyon Station with the emergence of the high-speed railway Tezebe (TGV) by the French Railway Administration (SNCF), and to derive planned characteristics by analyzing the spatial composition. The reason why Lyon Station was selected as an analysis target is differentiated in that various development projects are being carried out to correct the consequential errors that appear different from the previously set development direction and intention, and railway sites are used to secure available idle sites. Implications were drawn on how this artificial ground-type three-dimensional complex development contributes to regional revitalization and how it will bring about changes in urban development.
신동휴(Dong-Hyu Shin),정용화(Yong-Hwa Jung) 한국무역연구원 2011 무역연구 Vol.7 No.4
The purpose of this study is to estimate the intangibles value using the factors of theoretical relative valuation approach. The method of this study is to calculate intangibles value and check the validity of the relative valuation approach by cross-sectional multiple regression and the rate of absolute errors instead of conventionally used methods based on industrial standards and capital market premium approach. The basic propostions of intangible asset valuation by relative valuation approach are as follows. First, empirical result is that PSR model is more suitable for theoretical thesis of relative valuation than PER and PBR. Second, in the dimension of calculated values of intangibles based on estimated PER, PBR and PSR only PSR model have positively value but not others. Third, to check the validity of PER, PBR and PSR we have tested the t-test that which model shows a quitely useful in forecasting the next period market value compare to estimated value using the rate of absolute errors. The result is that PSR model is more competitive to PER and PBR. In conclusion, it is likely that on can be alternative model the predictability and the validity of that to estimate value by applying the PSR.