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Exit selection and pedestrian movement in a room with two exits under fire emergency

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  • Cao, Shuchao
  • Fu, Libi
  • Song, Weiguo

Abstract

An extended multi-grid model is proposed to study fire evacuation in a two-exit room. The exit selection based on random utility theory, as well as the pedestrian movement in fire, is investigated. The effects of different occupant types, the utility threshold, heat release rate of fire, burning materials and pre-movement time on evacuation are discussed. The results show that active occupants are beneficial for evacuation because of their guidance to the herding pedestrians, whereas, the existence of conservative is not always good for evacuation; a proper frequency of changing target exit can relieve congestion and optimize evacuation process; evacuation time is not monotonically increasing with the increment of heat release rate due to acceleration when pedestrians feel the incentive of high temperature within limit; the effect of burning material on evacuation is related to its thermal physical properties; the pre-movement time aggravates the difficulty of evacuation due to the bad visibility and high CO concentration in fire situation. The study may be useful to predict exit selection and pedestrian movement process, and then give suggestions to guide pedestrian evacuation under fire emergency.

Suggested Citation

  • Cao, Shuchao & Fu, Libi & Song, Weiguo, 2018. "Exit selection and pedestrian movement in a room with two exits under fire emergency," Applied Mathematics and Computation, Elsevier, vol. 332(C), pages 136-147.
    • Handle: RePEc:eee:apmaco:v:332:y:2018:i:c:p:136-147
    DOI: 10.1016/j.amc.2018.03.048
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    References listed on IDEAS

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    Cited by:

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    2. Ren, Huan & Yan, Yuyue & Gao, Fengqiang, 2021. "Variable guiding strategies in multi-exits evacuation: Pursuing balanced pedestrian densities," Applied Mathematics and Computation, Elsevier, vol. 397(C).
    3. Shi, Xiaomeng & Xue, Shuqi & Shiwakoti, Nirajan & Li, Dawei & Ye, Zhirui, 2022. "Examining the effects of exit layout designs on children pedestrians’ exit choice," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 602(C).
    4. Wang, Peng & Cao, Shuchao & Yao, Ming, 2019. "Fundamental diagrams for pedestrian traffic flow in controlled experiments," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 525(C), pages 266-277.
    5. Danial A. Muhammed & Tarik A. Rashid & Abeer Alsadoon & Nebojsa Bacanin & Polla Fattah & Mokhtar Mohammadi & Indradip Banerjee, 2020. "An Improved Simulation Model for Pedestrian Crowd Evacuation," Mathematics, MDPI, vol. 8(12), pages 1-14, December.
    6. Zhang, Dezhen & Huang, Gaoyue & Ji, Chengtao & Liu, Huiying & Tang, Ying, 2021. "Pedestrian evacuation modeling and simulation in multi-exit scenarios," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 582(C).

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