Pedestrian evacuation at the subway station under fire

doi:10.1088/1674-1056/25/4/048902

Abstract With the development of urban rail transit, ensuring the safe evacuation of pedestrians at subway stations has become an important issue in the case of an emergency such as a fire. This paper chooses the platform of line 4 at the Beijing Xuanwumen subway station to study the emergency evacuation process under fire. Based on the established platform, effects of the fire dynamics, different initial pedestrian densities, and positions of fire on evacuation are investigated. According to simulation results, it is found that the fire increases the air temperature and the smoke density, and decreases pedestrians' visibility and walking velocity. Also, there is a critical initial density at the platform if achieving a safe evacuation within the required 6 minutes. Furthermore, different positions of fire set in this paper have little difference on crowd evacuation if the fire is not large enough. The suggestions provided in this paper are helpful for the subway operators to prevent major casualties.

Keywords: pedestrian evacuation FDS+Evac subway station fire social force model

Received: 15 October 2015
Revised: 27 November 2015
Accepted manuscript online:

PACS:	89.40.-a	(Transportation)
	05.65.+b	(Self-organized systems)
	89.75.-k	(Complex systems)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 61322307 and 61233001).

Corresponding Authors: Hai-Rong Dong
E-mail: hrdong@bjtu.edu.cn

Cite this article:

Xiao-Xia Yang(杨晓霞), Hai-Rong Dong(董海荣), Xiu-Ming Yao(姚秀明), Xu-Bin Sun(孙绪彬) Pedestrian evacuation at the subway station under fire 2016 Chin. Phys. B 25 048902

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