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대심도 지하역사에서의 화재시 연기거동과 피난에 대한 수치해석 연구
김홍진(Hong-Jin Kim),배승용(Sung-Yong Bae),최영기(Young-Ki Choi),홍기배(Gi-Bae Hong),유홍선(Hong-Sun Ryou) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
Advantages of the deeply underground subway are underground space efficiency high speed decrease of noise and vibration. However when fire occurs in the deeply underground subway station large casualties are occurred like Daegu subway station fire due to the increase of evacuation distance. In this study a numerical analysis was performed by using the fire and evacuation analysis program FDS+EVAC for smoke movement and evacuation in Beotigogae station among the deeply underground subway station. Heat release rate of carriage fire was set 10MW and the fire growth rate was ultrafast. As a result the smoke move to the exit at 1085 second. The total evacuation time took 956 second.
FDS_EVAC에 적용된 독성가스모델(FED)이 피난에 미치는 영향 분석 및 개선에 대한 연구
김홍진 ( Hong Jin Kim ),배승용 ( Sung Yong Bae ),최영기 ( Young Ki Choi ),홍기배 ( Ki Bae Hong ),유홍선 ( Hong Sun Ryou ) 한국안전학회(구 한국산업안전학회) 2013 한국안전학회지 Vol.28 No.1
When fire occurs in complex or building, toxic gas is important factor for evacuation because it cause death of evacuees. The effect of toxic gas which effects human motion is calculated using Purser`s Fractional Effective Dose (FED). The FDS_EVAC is used for evacuation. However, FED of FDS_EVAC has some problem of application because it dose not considers evacuees`s gender and age groups but using single subject. In this study, numerical analysis using modified FED which considers gender and age group of evacuees was performed. We investigate the effect of improved FED on the evacuation. We applied evacuation analysis to exhibition centre where the evacuees was set one thousand five hundred people. The FED is increasing with children 2%, male 17%, female 4%, adult 13% and elderly people 22%. Fatality is increasing due to increased FED.