• 제목/요약/키워드: High rise buildings

검색결과 1,523건 처리시간 0.023초

Considerations of Sustainable High-rise Building Design in Different Climate Zones of China

  • Wan, Kevin K.W.;Chan, Man-Him;Cheng, Vincent S.Y.
    • 국제초고층학회논문집
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    • 제1권4호
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    • pp.301-310
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    • 2012
  • Buildings, energy and the environment are key issues that the building professions and energy policy makers have to address, especially in the context of sustainable development. With more tall buildings constructed in China, the impact on energy consumption and carbon emission would be great from buildings (2% increase of carbon dioxide annually between 1971 and 2004). The imperative was to investigate the building energy performance of high-rise in different climate zones and identify the key design parameters that impose significantly influence on energy performance in sustainable building design. Design implications on glazing performance, sizing of the ventilation fans, renewable energy application on high-rise building design are addressed. Combination of effective sustainable building design strategies (e.g., building envelope improvement, daylight harvesting, advanced lighting design, displacement ventilation, chilled ceiling etc.) could contribute more than 25% of the total building energy consumption compared to the international building energy code.

Seismic Performance and Vibration Control of Urban Over-track High-rise Buildings

  • Ying, Zhou;Rui, Wang;Zengde, Zhang
    • 국제초고층학회논문집
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    • 제11권3호
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    • pp.207-219
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    • 2022
  • During the structural design of urban over-track high-rise buildings, two problems are most likely encountered: the abrupt change of story stiffness between the podium and the upper towers, as well as the demand for train-induced vibration control. Traditional earthquake-resistant structures have to be particularly designed with transfer stories to meet the requirement of seismic control under earthquakes, and thus horizontal seismic isolation techniques are recommended to solve the transfer problem. The function of mitigating the vertical subway-induced vibration can be integrated into the isolation system including thick rubber bearings and 3D composite vibration control devices. Engineering project cases are presented in this paper for a more comprehensive understanding of the engineering practice and research frontiers of urban over-track high-rise buildings in China.

Seismic Retrofit of High-Rise Building with Deformation-Dependent Oil Dampers against Long-Period Ground Motions

  • Aono, Hideshi;Hosozawa, Osamu;Shinozaki, Yozo;Kimura, Yuichi
    • 국제초고층학회논문집
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    • 제5권3호
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    • pp.177-186
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    • 2016
  • Along the subduction-zone of the western Japanese islands, large earthquakes are expected occur around the middle of this century, and long-period ground motions will reach major urban areas, shaking high-rise buildings violently. Since some old high-rise buildings were designed without considering long-period ground motions, reinforcing such buildings is an important issue. An effective method to reinforce existing high-rise buildings is installing additional dampers. However, a problem with ordinary dampers is that they require reinforcement of surrounding columns and girders to support large reaction forces generated during earthquake ground motion. To solve this problem, a deformation-dependent oil damper was developed. The most attractive feature of this damper is to reduce the damping force at the moment when the frame deformation comes close to its maximum value. Due to this feature, the reinforcement of columns, girders, and foundations are no longer required. The authors applied seismic retrofitting with a deformation-dependent oil damper to an existing 54-story office building (Shinjuku Center Building) located in Shinjuku ward, Tokyo, in 2009 to suppress vibration under the long period earthquake ground motions. The seismic responses were observed in the 2011 Tohoku Earthquake, and it is clarified that the damping ratio was higher and the response lower by 20% as compared to the building without dampers.

건물 내 공기유동 해석에 외부 바람이 미치는 영향의 분석 (A Simulation Method for Considering the Outdoor Wind-Pressure in Calculation of Indoor Air-Flow in High-Rise Buildings)

  • 김대영;송두삼
    • 설비공학논문집
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    • 제28권2호
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    • pp.55-62
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    • 2016
  • The air flows in building caused by thermal buoyancy, known as the stack effect, have a pronounced influence on both the indoor environment (thermal environment, noise, draught and contaminant diffusion) and energy needs in high-rise buildings. Prior studies for airflow in high-rise buildings were focused on the degree of stack effect and countermeasures. The wind pressure was neglected during the calculation of the indoor airflow in high-rise buildings to clarify the effect of thermal buoyancy in previous studies. However, wind is an important driving force of indoor airflows in buildings with the stack effect. In this study, the effect of wind pressure on indoor airflow in high-rise building when the stack effect is dominant in winter was analyzed. In this paper, methods that involved considering the wind pressure in airflow network simulation were analyzed.

초고층건축물의 테러 위험도 사전평가에 관한 연구 (Review on Prior Evaluation for Terrorism Risk of High-rise Buildings)

  • 성빈;이윤호
    • 시큐리티연구
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    • 제36호
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    • pp.293-316
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    • 2013
  • 오늘날 전 세계적으로 건축물들이 대형화 초고층화 됨에 따라 건물내부 화재나 건물외부에서 가해지는 위협과 관련하여 재실자의 피난가능성이나 안전성을 확보할 필요성이 커지고 있다. 국가의 사회경제적 상징인 초고층건축물을 대상으로 폭발물 테러가 발생할 경우 막대한 인명피해와 경제적 손실, 사회적 공포감 그리고 국가위상 실추 등의 피해가 다른 유형의 건축물에 비해 심각하기 때문에 초고층건축물은 주요 테러집단의 공격대상이 되고 있다. 현재 국내의 초고층건축물은 전국 15개 지역에서 54개동이 있으며, 초고층건축물을 테러공격으로부터 예방하기 위해 국토교통부와 서울특별시에서는 테러예방을 위한 초고층건축물 가이드라인을 제정 시행하고 있다. 미국의 연방재난관리청(FEMA)은 9/11 테러공격 이후 위험관리 매뉴얼을 개발하여 활용하고 있다. FEMA 455에서는 테러예방을 위한 초고층건축물 테러위험도 평가방법을 제시하고 있는바, 특히 주변지역의 위험도와 테러공격 가능성, 그리고 테러공격에 대한 취약성 등을 진단하여 사전 평가를 하고 있다. 초고층 건축물에 대한 테러위험도 평가를 거친 다음, 테러공격의 위험도를 기준으로 건축가, 보안전문가, 구조공학자, 범죄예방가등 전문가들이 초고층건축물 테러예방 활동을 하게 된다. 영국 국가대테러안보실(NaCTSO)에서도 지역의 특수성을 반영한 테러예방지침을 제정 활용하고 있다. 국토교통부와 서울특별시에서 제정 시행하고 있는 초고층건축물 테러예방 가이드라인도 미국 연방재난관리청의 매뉴얼이나 영국 국가대테러안보실의 지침과 같이 테러 위험성 평가 기법을 포함한 구체적인 가이드라인으로 보완될 필요가 있다.

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초고층 주상복합건축물의 친환경적 디자인 방법에 대한 연구 -켄 양의 Bishopsgate Towers를 중심으로- (Study on the Eco-friendly Design Methods of the High-rise Residential-Commercial Building -Based on a work of Ken yeang, Bishopsgate Towers-)

  • 김선옥;오세규
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2005년도 추계학술대회 논문집
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    • pp.283-286
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    • 2005
  • In the modern city in which the high-density and complex land use is needed, high-rise residential-commercial buildings appeared as a scheme to arrange a metropolitan residence with multiple high-techs and to induce activation of the city with leading the settled population to flow into the city. And the need of the times is to actively apply the eco-friendly notion to the architecture. In this study, the works of Ken Yeang who is regarded as an eco-friendly architect to make high-rise residential-commercial buildings ecological should be focused on with analyses of eco-friendly characteristics in inside, intersection between inside and outside, and outside of his works. The result o the study would be the suggestion to design eco-friendly high-rise buildings which make the city rise in quality.

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고층빌딩에서 옥외피난계단의 효용성에 관한 연구 (A Study on the Efficiency of Evacuation Exterior Stairs in High-rise Buildings)

  • 최규출
    • 한국화재소방학회논문지
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    • 제23권1호
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    • pp.63-69
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    • 2009
  • 건축법 시행령 제36조에는 3층 이상의 건축물로 문화 및 집회시설 중 공연장이나 위락시설로 바닥면적이 1천 $m^2$ 이상인 건축물은 옥외피난계단을 설치하도록 하고 있다. 도시의 인구집중화와 함께 고층빌딩의 증가는 인적재난에 대한 다양한 대비책을 요구하고 있다. 최근 10년 동안 고층빌딩 증가율은 85%로 급등하였다. 이러한 고층빌딩의 증가는 도시지역의 인적재난으로 이어져 화재발생 시 많은 인명피해와 재산피해를 동반한다. 고층빌딩에서 화재가 발생하였을 때 가장 어려운 소방활동이 피난활동이다. 상층으로 확산되는 연기 때문에 고층빌딩에서의 피난로 확보는 인명피해를 최소화 시키는 유일한 방법이다. 고층빌딩에서 직통계단이나 옥내계단으로는 피난로 확보가 어려워 고층빌딩 일수록 옥외피난계단이 필요하다. 옥외피난계단 설치에 관한 현행 법규는 너무 미미(微微)하여 고층빌딩의 피난로 확보대책으로는 적당치 못하다. 고층빌딩의 피난로 확보를 위하여 고층빌딩군(群)의 분류에 해당되는 10층 이상의 건축물에는 옥외피난계단 설치를 의무화하도록 관련법을 개정토록 하여야 한다.

고층구조물 외벽의 내풍설계를 위한 풍압평가 (The Wind Pressure Evaluation on Exterior Wall for High-rise Buildings)

  • 이규웅;김재웅
    • 한국전산구조공학회:학술대회논문집
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    • 한국전산구조공학회 2005년도 춘계 학술발표회 논문집
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    • pp.63-70
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    • 2005
  • For using narrow site effectively, recently constructions of high-rise buildings have been increased. High-rise buildings are mainly governed by wind loads. Since wind flow Is vaned irregularly, the experimental method such as wind tunnel test is used to evaluate real wind loads. In this study, it is intended to estimate design wind pressure and amounts of material of cladding by AIK recommendations and wind tunnel test. Also, this study includes the investigation of reliability, suitability and economical efficiency in design of cladding of buildings by AIK recommendations and wind tunnel test by comparing and examining various results. Finally, it is concluded that not only AIK recommendations but also wind tunnel test should be considered to get the reasonable wind pressure acting on the cladding of high-rise buildings.

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Rapid Diagnosis Systems Using Accelerometers in Seismic Damage of Tall Buildings

  • Tsuchihashi, Toru;Yasuda, Masaharu
    • 국제초고층학회논문집
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    • 제6권3호
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    • pp.207-216
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    • 2017
  • Installing accelerometers in a building is an effective way to know how the building shakes when an earthquake happens. In this paper, we will introduce an example of an analysis that captures the acceleration reduction effect of the vibration damping device using data observed by the accelerometer at Roppongi Hills Mori Tower in Minato-ku, Tokyo, during the Great East Japan Earthquake on March 11, 2011. Moreover, as the latest effort, from the standpoint of a developer who builds and operates a number of high-rise buildings in Japan, where frequent earthquakes are experienced, a system for real-time processing of accelerometer data was developed to instantly diagnose the degree of damage to high-rise buildings, and the actual system of earthquake damage health monitoring is discussed. This system is currently in operation in twelve high-rise buildings including Roppongi Hills Mori Tower.