• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2019년도 춘계 학술논문 발표대회
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• pp.137-138
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• 2019

To overcome the limitation in relation to thermal insulator's selection and installation method that is suitable for exterior insulation and waterproof construction methods, a production basis of thermal insulators of which manufacturing knowhow is held by companies was ensured and future-oriented construction methods to adopt new materials were applied. Performance verification was conducted through performance and mock-up tests of thermal transmittance on the cross sections where the flexible insulators were applied based on the improved prototype and performance data were obtained. To overcome the biggest drawbacks (walking feeling and damage etc.) in the exterior insulation and waterproof construction method, inserting a protective layer between thermal insulator and water-proof layer was proposed, and polypropylene corrugated cardboards.

• 대한건축학회논문집:계획계
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• 제35권4호
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• pp.37-44
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• 2019

According to the statistical surveys and studies, insufficient maintenance in the use of existing buildings caused fire and collapse accidents. In this respect, I analyzed the data managed by the current building maintenance and inspection system to find out the actual state of safety management and proposed two significant results. First, regarding the state of the buildings, the safety management status of the small-sized ones, where 20 years or more passed after construction, is the worst and a priority improvement plan is required. Second, there are eight deeply concerning factors for the fire incidents and collapse accidents of buildings. In the order of high risk, these factors are structural strength (seismic design), exterior wall finishing material, basement floor, interior finishing materials, other evacuation facilities, corridors stairs entrances, rooftop, fire partition. We need to have more special designs and management plans regarding high-risk factors as a system to prevent accidents in the building.

• 대한원격탐사학회지
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• 제39권3호
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• pp.339-353
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• 2023

고해상도 위성영상의 제공이 증가함에 따라 위성영상의 위치정확도 향상이 요구되고 있다. 이를 위해 기복변위를 제거하고 인공지물의 정위가 수립된 정사영상 생성의 중요성이 높아지고 있다. 본 논문에서는 기존에 구축된 건물 높이 데이터베이스를 이용하여 원본 위성영상에서의 건물 옥상면과 건물포함영역을 자동으로 추출하였다. 이후 추출된 건물 옥상면을 정위치 편집하여 건물 정위 레이어(layer)를 생성하였다. 추출된 건물포함영역을 이용하여 위성영상에서 건물영역을 공백 처리하여 비건물 정위 레이어를 생성하였다. 이후, 실감정사 건물레이어와 실감정사 비건물레이어를 중첩하여 최종 정사영상을 제작하였다. 본 연구에서 제안한 방법은 KOMPSAT-3 및 KOMPSAT-3A 위성영상을 이용해 실험하였으며, 실험 결과를 수치지형도와 중첩하여 검증을 수행하였다. 실험결과 건물 정위 레이어는 0.4 m의 위치 오차를 가지는 것으로 나타났다. 제안 방법을 통해 도심지역에 대한 자동 실감정사영상 생성의 가능성을 확인하였다.

• 대한원격탐사학회지
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• 제34권6_1호
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• pp.1067-1087
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• 2018

기존의 LiDAR 자료 기반의 건물 외곽선 추출 연구에서는 고정밀 포인트클라우드를 사용하여 자동으로 건물 지붕 영역을 분류하고 이를 입력자료로 하여 건물 외곽선을 추출했다. 반면에 스테레오 영상 정합을 통해 생성된 DSM은 고정밀 포인트클라우드 자료와 달리 원시 자료인 포인트클라우드에 잡음과 비어있는 격자가 존재하기 때문에 완전한 자동으로 건물 지붕 영역을 분류하는데 어려움이 있다. 따라서 본 논문에서는 스테레오 영상 정합을 통해 생성된 DSM에 사용자 입력을 통한 watershed segmentation 기법을 적용하여 반자동으로 건물의 3차원 외곽선을 추출하는 기법을 제안한다. 제안된 기법은 DSM 내 건물 영역을 표시하는 단순한 마커 정보만을 입력하기 때문에 사용자 입력을 최소화한 방식으로 건물의 3차원 외곽선을 생성할 수 있다.

• 대한건축학회논문집:계획계
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• 제34권2호
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• pp.41-48
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• 2018

This study is expected to provide some basic data on how to apply more economical and efficient eco-friendly factors to reduce the carbon emissions. It has been scrutinized and analyzed the environmental factors of passive eco-friendly elements along with active eco-friendly elements as more efficient factors for energy conservation based on the case of a newly constructed broadcasting building with the green building certification in Sangam-dong DMC area. The first analysis was the energy consumption trends in Korea and the necessity of energy saving. Secondly, it was examined the energy consumption in the current status of the broadcasting building. Thirdly, it was looked into the correlation between the eco-friendly design application factors applied to the broadcasting building and the energy consumption types. As a result of the analysis, the application of fan and feed pump inverter along with ventilation system of waste heat recovery ventilation system were more meaningful in accordance with the economic feasibility of broadcasting buildings rather than economical effect of passive elements such as rooftop garden, reinforcement of building insulation. Also, the application of lighting control had the economical feasibility. Therefore, when it is intended to change the green building certification energy related evaluation items of the similar broadcasting building types, it is necessary to change the direction of adding weight to the more economical active element items in the future.

• KIEAE Journal
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• 제16권6호
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• pp.95-101
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• 2016

Purpose: This study aims to identify the effect of temperature reduction by the application of cool roof coatings to Changwon City Hall in South Gyeongsang Province. The indoor and outdoor temperatures of the cool roofing building were analyzed and compared to that of an existing building with green-colored roof coated with waterproof polyurethane. Method: The surface temperatures and reflectivity of rooftops, surface temperatures of ceilings and the interior, and outdoor temperature and humidity of the two aforementioned buildings were measured from June to September in 2014. The measurements were taken every 10 min. Result: The surface temperature of the building with the cool roof was lower by a maximum of $9^{\circ}C$ with the reflectivity of the rooftop at an average of 0.55, which is higher than that of the building with green polyurethane by approximately 0.3. The temperature of the ceiling inside the building with the cool roof was about $1{\sim}2^{\circ}C$ lower than that of the ordinary building. Also, the indoor temperature of the office with cool roof coatings was about $0.5{\sim}1.0^{\circ}C$ lower than that of the office with green-colored roofing building. The results show that cool roof coatings can lower the temperature of buildings. In the next research, the reduction in consumption of energy for air conditioning will be investigated by utilizing building energy simulation tools.

• 한국조경학회지
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• 제32권3호
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• pp.76-90
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• 2004

The purpose of this study is to extract landscape design elements regulation of the District Unit Plan(DUP) in new town areas, and to find out characteristics in terms of urban design elements in comparison with the psychological and physical aspects. For this purpose, we reviewed urban design elements and design elements in terms of the landscape by DUP and analyzed the activation of landscape on the selected case-area by interviewing experts such as planners, public officials, and professors in the department of urban planning and landscape, as well as the university students. The analysis framework for the case-study consists of 4 components: the section of region, street, building, open space, etc. The new development areas in Daejeon Metropolitan City was chosen as the case study area, because they have been developed by DUP regulations. As a result of this study, we can extract characteristics of landscape. The results indicate that `skyline design',`view corridor design',`landscape design',`street furniture design' and `building design(form, height, color, and elevation)' are the key planning and design factors influencing differences in the landscape preference. This research identifies that there are no detailed planning and design guidelines adopted within the four case study areas in Daejeon for regulating the characteristics of skyline, planting and street furniture while detailed guidelines established for density, building height and site layout. Considering their significant correlation with the level of landscape preference, this study suggests that detailed planning and design guidelines for the characteristics of skyline, rooftop and streetscape should be established in future DUP.

• 한국BIM학회 논문집
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• 제5권4호
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• pp.53-62
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• 2015

Korea has been at the forefront of green growth initiatives. In 2008, the government declared the new vision toward 'low-carbon society and green growth'. The government subsidies and Feed-in Tariff (FIT) increased domestic usage of solar power by supplying photovoltaic housing and photovoltaic generation systems. Since 2000, solar power industry has been the world's fastest growing source with the annual growth rate of 52.5%. Especially, BIPV(Building Integrated Photovoltaic) systems are capturing a growing portion of the renewable energy market due to several reasons. BIPV consists of photovoltaic cells and modules integrated into the building envelope such as a roof or facades. By avoiding the cost of conventional materials, the incremental cost of photovoltaics is reduced and its life-cycle cost is improved. When it comes to atypical building, numerous problems occur because PV modules are flat, stationary, and have its orientation determined by building surface. However, previous studies mainly focused on improving installations of solar PV technologies on ground and rooftop photovoltaic array and developing prediction model to estimate the amount of produced electricity. Consequently, this paper discusses the problem during a planning and design stage of BIPV systems and suggests the method to select optimal design of the systems by applying the national strategy and economic policies. Furthermore, the paper aims to develop BIM tool based on the engineering knowledge from experts in order for non-specialists to design photovoltaic generation systems easily.

• 한국건축시공학회지
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• 제10권5호
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• pp.103-111
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• 2010

본 연구는 현행 옥상 방수공법이 가지고 있는 문제점과 그 원인을 분석 파악하고, 이에 따른 대체 공법을 제안함으로써 옥상 방수공법 발전에 기여하는데 있다. 이와 같은 측면에서 본 연구에서는 설계 및 시공상의 누수에 따른 문제점 분석을 통해 이를 저감시키고, 시공 품질향상, 노동력의 절감, 공기단축, 환경문제 개선 등 기존 방수공법의 문제점을 보완한 친환경적 복합방수공법을 개발하고 기존공법과의 분야별 성능 비교 분석 및 현장적용 시공성능 평가를 실시하여 방수공법 특성과 결론을 도출하였다.

• 교육시설
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• 제10권3호
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• pp.37-43
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• 2003

This study investigates the physical characteristics of indoor rest zones using the Space Syntax Method. A conceptual framework is based on analysis of design works presented in competitions(544 rest zones of 24 buildings on 7 campuses). The analysis on the unit type of rest zones showed that they were mostly available as open type, followed by semi-open type and outdoor rest places. On the other hand, by classifying the shape of whole building into traffic lines and nodal points, it was found that the buildings with 3 or more traffic lines have lower availability than others, because the buildings required more nodal points along a little higher complexity and zoning formed at increased nodal points between building masses. The analysis on the location of rest zones on traffic lines showed that hall type was most excellent in the level of availability. Finally, the analysis on the floor height showed that hall-like open rest places and outdoor places like rooftop garden functioned as a factor to enhance the integration of different spaces. In conclusion, this research will help the follow-up studies make spatial creation planning that may enhance the spatial efficiency and availability of Indoor rest zones on the campus.