Study and Application of Algorithm of Available Safety Evacuation Time in Long Subsea Metro Tunnel

doi:10.3973/j.issn.2096-4498.2019.01.006

Tunnel Construction ›› 2019, Vol. 39 ›› Issue (1): 54-59.DOI: 10.3973/j.issn.2096-4498.2019.01.006

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Study and Application of Algorithm of Available Safety Evacuation Time in Long Subsea Metro Tunnel

TIAN Feng^{1, 2}， WANG Haiqiao²， ZHU Zhulong¹， CHEN Shiqiang²， HUANG Junxin³

(1. Tunnel Design Branch, China Railway Liuyuan Group Co., Ltd., Tianjin 300133, China; 2. School of Resources & Environment and Safety Engineering, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China; 3. School of Safety and Environment Engineering, Hunan Institute of Technology, Hengyang 421002, Hunan, China)

Received:2017-10-10 Revised:2018-10-20 Online:2019-01-20 Published:2019-02-01

Abstract

Abstract:

In order to rationally determine the available safe evacuation time (ASET) for personnel in long metro tunnel in case of fire, the main factors affecting the safe evacuation of personnel are analyzed according to the characteristics of fire evacuation of long metro tunnel, and the algorithm of ASET in long metro tunnel in case of fire, i.e. multifactor combined method (MCM), is proposed; the algorithm is applied to a long subsea metro tunnel under construction in China. The study results show that the MCM can effectively determine the ASET in long metro tunnel in case of fire, which is convenient and rapid in calculation. The results are rational and feasible, and can provide reference for similar projects.

Key words: metro tunnel, long tunnel, fire, available safe evacuation time (ASET), multifactor combined method (MCM)

CLC Number:

U 452

TIAN Feng， WANG Haiqiao， ZHU Zhulong， CHEN Shiqiang， HUANG Junxin. Study and Application of Algorithm of Available Safety Evacuation Time in Long Subsea Metro Tunnel[J]. Tunnel Construction, 2019, 39(1): 54-59.

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Study and Application of Algorithm of Available Safety Evacuation Time in Long Subsea Metro Tunnel

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