• 제목/요약/키워드: Fire risk analysis

검색결과 491건 처리시간 0.03초

소방설비 작동신뢰성 기반 건축용도별 화재리스크 분석에 관한 연구 (A Study on the Analysis of Fire Risk for each Building Usage Based on the Reliability of Operation of Fire Protection System)

  • 진승현;김혜원;서동구;권영진
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2020년도 봄 학술논문 발표대회
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    • pp.113-114
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    • 2020
  • In the design and maintenance of buildings, identifying the degree of damage in the event of a fire is an important factor in fire prevention and fire safety design. In order to predict fire damage, safety measures should be established by predicting the nature of evacuation according to fire, smoke and in-house characteristics, and the effects of the operation of fire safety facilities should also be considered, but in Korea, the risk analysis due to the operation of fire safety facilities is insufficient. Accordingly, this study uses fire statistics and sprinkler inspection data to analyze the degree of fire damage caused by the operation of sprinkler facilities in a probabilistic manner.

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철도터널 화재 위험도 평가 프로그램의 개발 및 적용사례 (Development of Railway Tunnel Fire Risk Assessment Program and its Application)

  • 윤성욱;박종헌
    • 한국재난관리표준학회지
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    • 제2권1호
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    • pp.57-64
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    • 2009
  • 철도터널의 건설이 증가하고 장대화 됨에 따라 터널내에서의 화재 위험에 대한 사회적 관심이 증대되고 있는 실정이다. 하지만 현재까지 이러한 화재 위험에 대해 정량적으로 평가하기 위한 연구는 부족한 편이고 특히, 각 변수들의 불확실성을 고려하여 화재위험도를 정량적으로 평가하는 방법에 대해서는 거의 연구된 바가 없다. 따라서, 본 연구에서는 Event Tree 기법을 이용한 기존의 확률론적 위험도 평가기법을 바탕으로 몬테카를로 시뮬레이션 기법을 이용한 변수들의 불확실성을 고려할 수 있는 기법을 추가하여 철도터널의 정량적 위험도 평가기법을 개선하고자 하였으며 실제 프로젝트에 적용함으로써 그 유효성을 검증하고자 한다.

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철도차량 화재위험도 평가 사례 분석 (A case study of fire risk analysis for train coach without gangway doors)

  • 이덕희;김치훈;김종훈;박원희;정우성
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2010년도 춘계학술대회 논문집
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    • pp.2232-2241
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    • 2010
  • A case study of fire risk analysis was conducted for train coach which has no gangway doors between coaches. The analysis boundary was limited to the time of outgoing from the coaches for it was train fire risk analysis. ASET(available safe egress time) and RSET(required safe egress time) methodology was used for calculating the dead. 4 liters of gasoline and cable fire at the electric cabinet and the standard fire of EN 45545 were selected for the fire sources. The fire were considered to be occurred at 3 different locations in the car. The train had 3 cases of driving scenarios. The result of all event was summarized for remained tunnel and station egress step.

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화재위험성 예측평가분야 교육과정의 전공 적합도에 대한 수요조사 (A Demand Survey on Major Fitness of Curriculum of Fire Risk Prediction and Assessment)

  • 이세명
    • 한국화재소방학회논문지
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    • 제30권6호
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    • pp.130-136
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    • 2016
  • 대학이 산업수요 맞춤형 인재양성 교육체계를 갖추어 나가기 위해서는 수요자의 입장에서 교육과정을 분석하고 개선해 나갈 필요가 있다. 이러한 취지에서 본 논문은 화재위험성 예측평가분야 교육과정의 전공 적합도를 평가하기 위해 소방관련 산업체 종사자를 대상으로 수요조사를 하였으며 그 결과를 토대로 기술통계분석, 요인분석, 군집분석 그리고 일원분산분석을 실시하였다. 분석 결과, 소방관련 산업체 종사자들은 화재위험성 예측평가 분야의 교육과정이 전공에 적합하다고 평가하였다. 그리고 화재위험성 예측평가분야의 교과목 중 전공기초과목과 전공공통과목의 필요성을 크게 인식하고 있었다. 이러한 분석결과는 향후 지속적으로 교육과정을 개선해 나가는데 기초자료로 활용할 계획이다.

CFD code를 이용한 철도터널 화재 위험도 평가 (The Quantitative Risk Assessment for Railroad-tunnel Fire Incidents by using CFD code)

  • 김학범;이덕희;장용준;정우성
    • 한국전산유체공학회:학술대회논문집
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    • 한국전산유체공학회 2011년 춘계학술대회논문집
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    • pp.169-172
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    • 2011
  • Recently, railroad long tunnels are increasing and growing longer due to topological feathers like a lot of mountain in Korea. But fire disaster of a long tunnel cause many people to injury and death. For that reason, at the early design stage of a long tunnel, risk assessment and mitigation measure of risk for satisfying tunnel safety are required. According to the railroad facility safety standard (Korean MLTM Announcement No. 2006-395), risk assessment for railroad-tunnel fire should be performed when design stage. Therefore, various methods of risk assessment for tunnel fire have been studied and applied. In the paper, QRA(Quantitative Risk Analysis) for fire risk assessment by using CFD code is presented and the usefulness of CFD is discussed.

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에어프라이어의 화재사례와 재현실험을 통한 화재위험성 분석 (Fire Risk Analysis through Airfryer's Fire Cases and Reproduction Experiments)

  • 이정일;조명식
    • 대한안전경영과학회지
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    • 제22권2호
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    • pp.39-46
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    • 2020
  • This paper recognizes the risk of ignition of air fryer (machine that can cook fried dishes with hot air without oil) that is far exceeding the sales rate of microwave ovens, which is necessary to modern household kitchen, and identifies fire risk through the operation principle of the process of heat transfer, and the main structure of the machine. The fire test that we conducted is to observe the risk of ignition of the machine due to the damage to the safety system and the possibility of igniting oil paper along with food, to experiment with the possibility of ignition due to blockage of the exhaust due to obstacles, and accumulation of oil stains on the hot wire, and to present the method of fire control and devise countermeasures.

정전기 화재·폭발 위험성평가 및 사고조사에 필요한 발생원인 변수 도출 (Derivation of Cause Variables necessary for Electrostatic Fire/Explosion Risk Assessment and Accident Investigation)

  • 변정환;박현곤
    • 한국안전학회지
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    • 제39권2호
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    • pp.9-21
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    • 2024
  • Static-electricity-induced fires and explosions persistently occur every year, averaging approximately 80 and 20 cases annually according to fire statistics provided by the National Fire Agency and industrial accident statistics provided by the Ministry of Employment and Labor, respectively. Despite the relatively low probabilities of these accidents, their potential risks are high. Consequently, effective risk assessment methodologies and accident investigation strategies are essential for efficiently managing static-electricity hazards in fire- and explosion-prone areas. Accordingly, this study aimed to identify the causal variables essential for accident investigations, thereby facilitating risk assessments and the implementation of effective recurrence prevention measures to mitigate static-electricity hazards in fire-and explosion-prone regions. To this end, industrial accident statistics recorded over the past decade (2012 to 2021) by the Ministry of Employment and Labor were analyzed to identify major fire and explosion incidents and related industrial accidents wherein static electricity was identified as a potential ignition source. Subsequently, relevant investigation reports (63 cases) were thoroughly analyzed. Based on the results of this analysis, existing electrostatic fire and explosion risk assessment techniques were refined and augmented. Moreover, factors essential for investigating electrostatic fire and explosion disasters were delineated, and the primary causal variables necessary for effective risk assessments and scientific investigations were derived.

고압가스배관의 제트화재 예측모델에 관한 사례연구 (A Case Study of Jet fire Estimation Model on the High Pressurized Pipeline of Natural Gas)

  • 이상곤;김동성;황철승;조원철;이태식
    • 한국방재학회:학술대회논문집
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    • 한국방재학회 2007년도 정기총회 및 학술발표대회
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    • pp.371-375
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    • 2007
  • Due to the benefit of QRA(Quantitative Risk Analysis) method, we can evaluate the risk, and it helps us to make our safe. We also depend to some of correlation equations to assess the jet fire at high pressurized transmission line. However, we can evaluate the risk within limitations. After comparing the current model to investigation report of natural gas transmission line accident at EL-Paso in U.S., this study concludes that more research and study are required because currently developed model cannot expect factors of the fire risk such as flame configuration.

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Study on the Fire Hazard and Risk Analysis Derived from the Plant Configuration Change During the Shutdown Period at Nuclear Power Plants

  • Jee Moon-Hak;Hong Sung-Yull;Sung Chang-Kyung;Jung Hyun-Jong
    • Nuclear Engineering and Technology
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    • 제35권6호
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    • pp.547-555
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    • 2003
  • Fire hazard and risk analysis at Nuclear Power Plants is implemented on the basis of the normal operational configuration. This steady configuration, however, can be changed due to the temporary displacement of equipment, electric cable and irregular movement of workers through the fire compartments when the on-line maintenance is processed during the power operation mode or the scheduled outage mode for the refueling. With the consequence of this configuration change, the fire analysis condition and the evaluation result will be different from those that were analyzed based on the steady configuration. In this context, at this paper, the general items for the reassessment are categorized when the configuration has changed. The contemporary zone models for the detail fire analysis are also illustrated for their application for each classified condition.