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Title |
Performance-Based Evaluation on Evacuation Safety of Road Tunnels Considering Fire Size and Evacuation Exit
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Authors |
오시현(Si-Hyun Oh) ; 허인욱(In-Wook Heo) ; 이상기(Sang-Ki Lee) ; 최승호(Seung-Ho Choi) ; 함승희(Sunnie Haam) |
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DOI |
https://doi.org/10.11112/jksmi.2024.28.4.28 |
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Keywords |
도로터널; 피난연결통로; 화재시뮬레이션; 피난시뮬레이션; 피난안전성 Road tunnel; Evacuation exit; Fire simulation; Egress simulation; Fire safety |
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Abstract |
In this study, an analytical evaluation of evacuation safety in typical road tunnels was conducted. The Fire Dynamics Simulator (FDS) was employed to perform fire simulations with varying fire sizes to determine the allowable evacuation time in road tunnels. Additionally, evacuation simulations were performed using Pathfinder, considering the width of barrier doors and the spacing of evacuation passageways, to calculate the required evacuation time. A comparison between the allowable and required evacuation times was conducted to assess the impact of fire size, passageway spacing, and barrier door width on tunnel evacuation safety. The results from the fire and evacuation simulations indicated that an increase in fire size and passageway spacing, along with a decrease in door width, resulted in an increase in the number of casualties. Conversely, increasing the barrier door width to more than 1.2meters led to a reduction in casualties as passageway spacing increased.
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