• 제목/요약/키워드: large fire

검색결과 929건 처리시간 0.026초

라지스케일 칼로리미터에 의한 알루미늄 복합패널 외장재의 연소특성에 관한 연구 (A Study on the Fire Characteristics of Aluminum Composite Panel by Large Scale Calorimeter)

  • 윤정은;민세홍;김미숙;최승복
    • 한국화재소방학회논문지
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    • 제24권2호
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    • pp.89-96
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    • 2010
  • 본 연구에서는 건축외장재로 많이 사용되고 있는 알루미늄복합패널의 화재위험성을 평가하기 위하여 외장재 실물 연소실험을 실시하였다. 그 결과 알루미늄복합패널의 빠른 화재확산을 보였으며, 이는 알루미늄 복합패널에 내장된 폴리에틸렌이 연소되면서 화염의 수직확산이 급격히 일어난 것이다. 본 실험에서 알루미늄복합패널의 최고 열방출률은 1,144kW로 나타났으며, 열전대에 의해 측정된 표면온도는 알루미늄의 용융점인 $660^{\circ}C$를 넘는 최고 $903.3^{\circ}C$ 이상 상승하였다. 그러므로 알루미늄복합패널의 화재는 상층으로의 급격한 연소확대나 개구부를 통한 내부로의 화재확산에 의한 큰 피해를 줄 수 있을 것으로 판단된다. 이러한 실물실험에서 얻어낸 결과는 향후 알루미늄복합패널의 모델링 구현과 비교함으로써 알루미늄복합패널의 화재 확산 예측에 적용 될 수 있을 것이다.

초고층 건축물 건설공사 시 화재안전계획 수립에 관한 연구 (A Study on the Fire Safety Plan for High-Rise Building Construction)

  • 함은구;정명진;이명구
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2012년 추계학술대회
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    • pp.59-66
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    • 2012
  • Recently buildings are constructed in larger and higher scales and becoming more complex. Every country in the world is competing to build high-rise buildings. Korea also has and is constructing high-rise buildings, like the 123story Jamsil Lotte Super Tower. However from small to large scale buildings and on construction sites there still are fire safety accidents that occur continuously. Therefore to improve fire safety plan, examining the actual fire safety management and understanding fire risk analysis Using Fire Modeling through Computer Simulation. Fire safety management plan related fire safety cases were collected an dan analyzed for the study. Also hazard analysis of High rise Buildings under fire compared with existing fire law sand regulations.

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일본 의용소방대 활성화 정책의 분석 (Analysis of Policies to Activate the Volunteer Fire Brigade in Japan)

  • 이의평
    • 한국화재소방학회논문지
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    • 제25권4호
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    • pp.64-73
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    • 2011
  • 일본은 관설소방이 발전되어 있으면서도 민간인으로 구성된 의용소방대가 발달된 대표적인 국가이다. 일본은 지진이나 태풍 등 대규모 재해가 발생할 때 관설소방만으로 대응에 한계가 있으므로 현재도 의용소방대를 활성화시키기 위해서 여러 가지 정책들을 추진하고 있다. 이 논문에서는 일본 의용소방대의 정책을 분석하여 우리나라 의용소방대 활성화를 위해서 도입할 만한 정책에 대해 제안하고 있다.

건축구조물에 적용하기위한 신개발 시멘트계 내화재료의 내화성능에 관한 연구 (Study of fire protection performance of newly developed cementitious fire protection material for application to architectural building)

  • 김장호;박해균;이명섭;원종필;임윤묵;이경민
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2006년도 추계 학술발표회 논문집
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    • pp.633-636
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    • 2006
  • High-rise and large size buildings require high strength concrete and steel structure as a necessity. However, high strength concrete and steel structure are strong material but have a weakness to high temperature. Therefore, fire protection is a matter that must be considered very importantly in design for structure of high strength concrete and steel. Fire proof board that is existing method for fire proof has relatively low performance in fire protection emphasizes the need of new fire protection material due to the using of in numerable inflammables like plastics. The objective of this study is to understand the fire-resisting performance of newly developed fire protection material for building. This paper describes the results of fire tests using ISO curve that is fire protection regulation for buildings of the newly developed cementitious fire protection coating material applied concrete tunnel lining specimens.

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INFLUENCE OF AERIAL FIRE FIGHTING ON INTENSITY OF RADIATION FROM FIRE

  • Iwata, Yusaku;Koseki, Hiroshi;Kon, Fumio
    • 한국화재소방학회:학술대회논문집
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    • 한국화재소방학회 1997년도 International Symposium on Fire Science and Technology
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    • pp.269-274
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    • 1997
  • A large scale fire experiment was conducted through the collaboration between the Tokyo Fire Department and the National Research Institute of Fire and Disaster (NRIFD) for the purpose of studying the effectiveness of aerial fro fighting against urban fire. Ten model houses and ten collapsed model houses were arranged in an area of about $2,000\;m^2$. Water was dropped totally fourteen times by helicopters onto the model houses. In order to know influence of water drop, radiation was measured by four radiometers and four IR (Infrared) cameras, which were set around the burning area. In this report, the influence of aerial Ore fighting on fire was discussed in terms of irradiance and IR images. Data of irradiance, flame temperature and flame area showed that influence of each water drop continued only at most a minute.

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화재발열량계의 효율적 설계를 위한 수치해석 모델의 적용 (Application of Numerical Model for the Effective Design of Large Scale Fire Calorimeter)

  • 김성찬
    • 한국화재소방학회논문지
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    • 제24권6호
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    • pp.28-33
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    • 2010
  • 본 연구는 전산유체역학기법을 통해 화재유동을 수치적으로 모델링하고 화재발열량계 내부의 유동특성과 발열량 측정의 불확실성에 영향을 미치는 주요 측정인자들의 특성을 파악하고자 한다. 수치해석에 이용된 프로그램은 ANSYS사의 CFX 12.1이고 에디소산모델과 P-1 근사법을 적용하여 연소반응과 복사열전달을 해석한다. 수치해석결과 $90^{\circ}$ 곡관이 적용된 배기덕트의 경우 측정면에서 상대적으로 비대칭성이 높은 유동분포를 보였으며 속도장의 편차가 온도나 농도장의 편차에 비해 상대적으로 높게 나타났다. 이러한 연구를 통해 신뢰성 높은 화재발열량계의 구축을 위한 설계과정을 최적화하고 효율적인 시스템 운영을 위한 기초자료를 제공한다.

FIRE PROTECTION FOR PETROCHEMICAL PLANT

  • Suh, Jung-H.
    • 한국화재소방학회:학술대회논문집
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    • 한국화재소방학회 1997년도 International Symposium on Fire Science and Technology
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    • pp.244-251
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    • 1997
  • Since 1970s, The Petrochemical Industry in Korea has grown rapidly by the successful economic growth. While the process became larger and more complex, hazardous chemicals have been used in large quantity, Therefore, the risk of a major accident such as fire, explosion and toxic material release has been increased. Korea has been ranked the fifth in petrochemical product capacity worldwide, also required to meet international standards on process safety management. Fire Protection System integral part of safely management in Petrochemical Plants, will be reviewed.

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정전기 방전에 의한 개소린-공기혼합기체의 최소착화에너지에 관한 연구 (The Study about The Minimum Ignition Energy for Electrostatic Discharge in The Gasoline-air Mixture)

  • 황명환;이덕출
    • 한국화재소방학회논문지
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    • 제10권1호
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    • pp.3-9
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    • 1996
  • Electrostatic charge is generated in large scale or high speed processes dealing with materials with large resistance, or under complicated condition. Fire and explosion often occur due to electrostatic charge accumulated in flammable gases, vapor, liquids and powder. It is usually very difficult to verify the cause of accidents as well as the prevention. In this study, it is shown that the needle electrode needs the electrode gap from 1.8mm to 3.8mm, sphere electrode and plate electrodes need the electrode gap of 1.9mmfor the minimum ignition energy. The sphere electrode and the plate electrode requires 12.8mJ and 3.2mJ of minimum ignition energy respectively with the electrode gap of 1.1mm. The ignition voltage rises to very large value as the ground resistance increases.

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대형공간의 연기확산 방지를 위한 국내·외 방연구획 기준 분석에 관한 연구 -고양시 터미널 화재 사례 분석을 중심으로- (A Study on the Smoke Compartment Standards Analysis of Domestic and Abroad for Prevention of Smoke Spread in Large-Scale Buildings -Focused on the Analysis of Goyang Bus Terminal Fire Incident-)

  • 김혜원;한지우;이병흔;진승현;권영진
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2018년도 춘계 학술논문 발표대회
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    • pp.118-119
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    • 2018
  • In this study, it analyses the problems of the Fire Compartment in Goyang Bus Terminal. Based on analysed data, it is confirmed the necessity of the Smoke Compartment installation for Protecting the Smoke Spread in Large-Scale Buildings using of FDS(Fire Dynamics Simulation). In addition it suggest that the necessity of Smoke Compartment application method and Development of Design Guideline.

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