Life safety evacuation for cross interchange subway station fire

被引：22
|
作者：
Li Yanfeng [1 ,2 ]
Lin Xinxin [1 ,2 ]
Feng Xiao [1 ,2 ]
Wang Chao [1 ,2 ]
Li Junmei [1 ,2 ]
机构：
[1] Beijing Univ Technol, Minist Educ, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China
[2] Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 100124, Peoples R China
来源：
2012 INTERNATIONAL SYMPOSIUM ON SAFETY SCIENCE AND TECHNOLOGY | 2012年 / 45卷
关键词：
cross interchange subway station; smoke spread; occupant evacuation; life safety evaluation;
D O I：
10.1016/j.proeng.2012.08.233
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fire accidents in a cross interchange subway are analyzed. At present, the primary focus of subway evacuation behavior analysis is mainly concern on normal state; evacuations in case of fire have rarely been under research. The relationship of soot density and extinction coefficient of fire smoke with average walking speed of occupants is linearly dependent. In this paper, FDS+Evac program is used to simulate the evacuation in a fire scenario. It has been found that not only some occupants' evacuation routes become longer, but also the utilization of some of the exits is reduced, therefore congestion is caused at other safe exits in a cross subway station fire. (C) 2012 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：741 / 747
页数：7
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