• 제목/요약/키워드: fire design

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국내 성능설계에서 선정된 설계화재의 적정성 연구 (A Study on the Appropriateness of Design Fire Size Determining for Performance Based Design in Korea)

  • 이세명
    • 한국화재소방학회논문지
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    • 제28권4호
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    • pp.50-56
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    • 2014
  • 성능설계 시험 안을 작성하기 위해서는 건축물에 발생할 수 있는 화재의 크기를 정량화하는 단계가 선행되어야 한다. 이러한 설계화재의 크기가 적합하게 선정되었을 때 화재로부터 안전하면서도 경제적인 설계가 가능하다. 우리나라는 성능설계의 역사가 짧고 공학적 자료가 축적되어 있지 않아 화재의 크기를 선정하는 데에 많은 문제점을 드러내고 있다. 이에, 해외의 설계화재 가이드라인과 국내의 실 화재 실험 자료를 조사하였다. 그리고 국내의 설계화재 선정 사례를 조사하여 그 적정성을 분석하고 건축물의 용도별로 설계화재의 가이드라인을 제안하였다.

반도체공장 Clean Room에 대한 화재요인 분석 및 성능위주 화재안전설계 (Fire Hazard Analysis and Performance Based Fire safety Design for the Clean Room in Semiconductor Factory)

  • 한수진;강경식
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2006년도 추계공동학술대회
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    • pp.325-336
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    • 2006
  • This research analyzes clean room major fire prevention standard of clean Room (FM, IRI, and NFPA Code), the structure of Performance-Based Fire Safety Design (PBD) applied the korean fire industry situation. Performance-Based Fire Safety can operate effectively the performance of fire protection equipment & building design, so the fitness of fire safety system can be embodied by operating this. moreover, cost to be consume fire safety of real building can reduce and Performance-Based Fire Safety is considered to important technique in fire protection field. A fire in a clean room may cause a serious loss by spreading smoke particles. We will be investigated by using a computational fluid dynamics, for loss prevention by smoke spreading from one fire area to another for clean room and compared the Performance-Based Fire Safety Design with the prescriptive code design. The methodology of fire safety performance-based fire safety design and guarantee of many kinds design skill of fire system and developing design procedure will be very serious one in order to improve efficiency of domestic system. Therefore, This research will be contributing to secure safety of clean room and to set up the performance-based fire safety design in Korea by regulation for the performance-based fire safety design effectively.

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반도체공장 Clean Room에 대한 화재요인 분석 및 성능위주 화재안전설계(1) (Fire Hazard Analysis and Performance Based Fire safety Design for the Clean Room in Semiconductor factory(1))

  • 한수진;강경식
    • 대한안전경영과학회지
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    • 제8권5호
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    • pp.211-229
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    • 2006
  • This research analyzes clean room major fire prevention standard of clean Room(FM, IRI, and NFPA Code), the structure of Performance-Based Fire Safety Design(PBD) applied the korean fire industry situation. Performance-Based Fire Safety can operate effectively the performance of fire protection equipment & building design, so the fitness of fire safety system can be embodied by operating this. moreover, cost to be consume fire safety of real building can reduce and Performance-Based Fire Safety is considered to important technique in fire protection field. A fire in a clean room may cause a serious loss by spreading smoke particles. We will be investigated by using a computational fluid dynamics, for loss prevention by smoke spreading from one fire area to another for clean room and compared the Performance-Based Fire Safety Design with the prescriptive code design. The methodology of fire safety performance-based fire safety design and guarantee of many kinds design skill of fire system and developing design procedure will be very serious one in order to improve efficiency of domestic system. Therefore, This research will be contributing to secure safety of clean room and to set up the performance-based fire safety design in Korea by regulation for the performance-based fire safety design effectively.

건축구조물의 구조내화설계를 위한 설계화재모델에 관한 연구 (A Study on the Design Fire Model for Structural Fire Resistant Design in Buildings)

  • 권영진
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2019년도 춘계 학술논문 발표대회
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    • pp.256-257
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    • 2019
  • Recently, the fire risk of architectural structures is increasing due to the super high - rise and super - size of the buildings. Therefore, the direction of fire safety design tends to change from the existing design to the performance - based design. In particular, domestic fire safety policies are divided into building law and fire fighting law. In case of fire fighting law, performance design is already carried out. Therefore, this study summarizes the prediction formula for fire characteristics among the structural fireproofing design field as shown in Fig. 1 according to this situation, and compares it with the standard method of each country in particular.

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건물 내 고체연료 화재에 대한 설계화재곡선 예측성능 평가 (Evaluation of the Prediction Performance of Design Fire Curves for Solid Fuel Fire in a Building Space)

  • 백빛나;오창보
    • 한국화재소방학회논문지
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    • 제33권2호
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    • pp.47-55
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    • 2019
  • 건물형태의 공간 내에서 발생한 고체연료 화재에 대해 Fire dynamics simulator (FDS)을 이용하여 설계화재곡선의 예측성능을 실험결과와 비교하여 평가하였다. FDS의 연소모델로서는 EDC 2-step mixing controlled를 적용하였으며 검토된 설계화재곡선들은 기존 연구들에서 제안한 2-stage design fire (TDF) 곡선, Quadratic 및 Exponential design fire 곡선들이다. 시뮬레이션 결과는 건물 내 연기 전파과정이 설계화재곡선에 많은 영향을 받는 것을 확인하였다. 설계화재곡선을 이용한 시뮬레이션은 건물 내 실험온도결과에 대해 합리적으로 예측하고 TDF가 가장 온도를 무난하게 예측하는 것을 확인하였다. 그리고 각 설계화재곡선의 화학종 농도에 대한 예측은 실험과 충분히 예측하지 못하는 것을 확인하였다. 이점은 본 연구에서 사용한 연소모델은 고체연료 화재에 대한 시뮬레이션에 적합하지 않음을 나타내며 고체연료의 예측에 대한 FDS 연소모델에 대한 연구가 추가적으로 필요해 보인다.

선진각국의 내화설계법에 관한 연구 (A Study on Fire Resisting Construction Design in Advanced Nation)

  • 김화중
    • 한국화재소방학회논문지
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    • 제2권2호
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    • pp.17-30
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    • 1988
  • In Our Country, the fire safety design is done by the standard furnace fire test. This is haphazard procedure, as the standard furnace fire endurance of structural elements has little relation to the structural element endurance in an actual Compartment fire. The standard furnace fire test results, though obtained at great cost, do not contribute to the understanding of the behavior of structural elements in an elevated temperature environment and can not be applied rationally in fire safety design. The response of a steel and reinforced concrete structure in fire is a very complex problem. Therefore, in this paper is explained about tendency of study for fire safety design in advanced nations.

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Structural performance of unprotected concrete-filled steel hollow sections in fire: A review and meta-analysis of available test data

  • Rush, David;Bisby, Luke;Jowsey, Allan;Melandinos, Athan;Lane, Barbara
    • Steel and Composite Structures
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    • 제12권4호
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    • pp.325-350
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    • 2012
  • Concrete filled steel hollow structural sections (CFSs) are an efficient, sustainable, and attractive option for both ambient temperature and fire resistance design of columns in multi-storey buildings and are becoming increasingly common in modern construction practice around the world. Whilst the design of these sections at ambient temperatures is reasonably well understood, and models to predict the strength and failure modes of these elements at ambient temperatures correlate well with observations from tests, this appears not to be true in the case of fire resistant design. This paper reviews available data from furnace tests on CFS columns and assesses the statistical confidence in available fire resistance design models/approaches used in North America and Europe. This is done using a meta-analysis comparing the available experimental data from large-scale standard fire tests performed around the world against fire resistance predictions from design codes. It is shown that available design approaches carry a very large uncertainty of prediction, suggesting that they fail to properly account for fundamental aspects of the underlying thermal response and/or structural mechanics during fire. Current North American fire resistance design approaches for CFS columns are shown to be considerably less conservative, on average, than those used in Europe.

A Review on Fire Safety Engineering: Key Issues for High-Rise Buildings

  • Li, Guo-Qiang;Zhang, Chao;Jiang, Jian
    • 국제초고층학회논문집
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    • 제7권4호
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    • pp.265-285
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    • 2018
  • This paper presents a state-of-the-art review on the design, research and education aspects of fire safety engineering (FSE) with a particular concern on high-rise buildings. FSE finds its root after Great Fire of Rome in 64 AD, followed by Great London Fire in 1666. The development of modern FSE is continuously driven by industry revolution, insurance community and government regulations. Now FSE has become a unique engineering discipline and is moving towards performance-based design since 1990s. The performance-based fire safety design (PBFSD) involves identification of fire safety goals, design objectives, establishment of performance criteria, and selection of proper solutions for fire safety. The determination of fire scenarios and design fires have now become major contents for PBFSD. To experience a rapid and positive evolution in design and research consistent with other engineering disciplines, it is important for fire safety engineering as a profession to set up a special educational system to deliver the next-generation fire safety engineers. High-rise buildings have their unique fire safety issues such as rapid fire and smoke spread, extended evacuation time, longer fire duration, mixed occupancies, etc., bringing more difficulties in ensuring life safety and protection of property and environment. A list of recommendations is proposed to improve the fire safety of high-rise buildings. In addition, some source information for specific knowledge and information on FSE is provided in Appendix.

APPLICATION OF PERFORMANCED BASED DESIGN IN FIRE PROTECTION ENGINEERING

  • Cha, David S.
    • 한국화재소방학회:학술대회논문집
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    • 한국화재소방학회 1997년도 International Symposium on Fire Science and Technology
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    • pp.423-438
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    • 1997
  • Today's building and fire prevention codes are mostly prescriptive. Prescriptive codes are based on major fires in earlier years that created a need for specific building provision. These codes provide a minimum level of safety. As the general and engineering uses of computers have increased over the years, so has use of computers in the fire protection engineering. This has allowed fire protection engineers to develop alternative approaches to solve today's fire protection problems or to evaluate the performance of a specific fire safety goal. A performance based approach to building and fire codes involves the following: 1) identifying specific goals, such as, safely getting out of the building in 10 minutes, 2) obtain conceptual approval from authorities, 3) define performance level, 4) develop design solutions and identify tools such as, fire tests, models, or methods, to demonstrate that a design will meet the fire protection objective 5) test solutions, 6) present test method and results to the authorities. Some people in the fire protection community consider this to be nothing more than an intellectual exercise, while the others view it as a way to reduce expenses on large project$^4$ Others in fire protection community view this as a way to refine the design process to design fire protection systems to better protect the fire hazards. This paper will focus on application of these tools, specifically computer fire models, to actual cases such as: design of a smoke control system heat transfer analysis and egress of building occupants during potential fires.

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성능위주설계를 위한 화재감지기배치의 공학적연구 (Automatic Fire Detector Spacing Calculation for Performance Based Design)

  • 박동하
    • 한국화재소방학회논문지
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    • 제24권1호
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    • pp.15-23
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    • 2010
  • 현재의 화재안전기준에서 규정하는 화재감지기의 배치방법은 면적에 따라 규정된 숫자를 적정하게 배치하는 수준이다. 이 기준은 과학적인 근거는 가지고 있지 못하다. 외국의 기준을 도입하여 그에 따라서 설치하고 있을 뿐이다. 소방시설을 설계하는 방법에는 화재안전기준과 같이 명문화 된 규정에 따르는 규범위주설계(Prescriptive-based)와 화재역학, 구조역학, 재료역학, 유체역학, 열역학 등 공학적 지식을 바탕으로 하는 성능위주설계(Performance-based design)가 있다. 현재로서는 성능위주설계가 활성화 되지 않았지만, 최근 소방시설공사업법은 성능위주설계방법을 이용하여 소방시설을 설계 할 수 있도록 개정('05. 8. 4)되었으며 그 시행령('07, 1. 24)에서 성능위주설계를 적용할 특정소방대상물의 범위를 정하고 있다. 이러한 시점에서 자동화재탐지설비의 화재감지기를 최적의 위치 및 거리에 설치하기 위하여 그에 대한 공식의 도입과 공식을 Software로 계산할 수 있도록 시뮬레이터를 제작하여 계산하고 규범위주설계에 따라 배치한 화재감지기의 상태와 비교 분석하며 향후 성능위주설계 방법으로서 정착시키기 위하여 연구를 시도하였다.