洞外无疏散条件的紧急救援站结构型式研究*

doi:10.16265/j.cnki.issn1003-3033.2021.09.025

中国安全科学学报 ›› 2021, Vol. 31 ›› Issue (9): 184-190.doi: 10.16265/j.cnki.issn1003-3033.2021.09.025

洞外无疏散条件的紧急救援站结构型式研究^*

李春荟^1,2, 王明年^1,2 教授, 郭晓晗^1,2, 刘轲瑞^1,2, 于丽^1,2 教授

1 西南交通大学土木工程学院,四川成都 610031;
2 西南交通大学交通隧道工程教育部重点实验室,四川成都 610031

收稿日期:2021-06-20 修回日期:2021-08-16 出版日期:2021-09-28 发布日期:2022-03-28
作者简介:李春荟 (1997—),女,四川宜宾人,硕士研究生,主要研究方向为隧道及地下工程防灾救援疏散。E-mail:1263403310@qq.com。
基金资助:
国家铁路局科研项目(KF2019-017);中铁二院工程集团有限责任公司科研项目(科2019-070);中铁第一勘察设计院有限公司科研项目(院科(川藏)19-17);中国铁路设计集团有限公司科技开发课题(2019YY120301-2)。

Discussion on structural type of emergency rescue station without evacuation conditions outside tunnels

LI Chunhui^1,2, WANG Mingnian^1,2, GUO Xiaohan^1,2, LIU Kerui^1,2, YU Li^1,2

1 School of Civil Engineering, Southwest Jiaotong University, Chengdu Sichuan 610031, China;
2 Ministry of Education Key Laboratory of Transportation Tunnel Engineering, Southwest Jiaotong University, Chengdu Sichuan 610031, China

Received:2021-06-20 Revised:2021-08-16 Online:2021-09-28 Published:2022-03-28

摘要/Abstract

摘要： 基于现有紧急救援站结构型式不能满足疏散救援要求,且洞外无疏散条件,提出适用于该条件下的新型紧急救援站结构型式。依托某铁路隧道工程,利用FDS5.0软件开展数值模拟,分析列车起火位置、隧道纵向坡度及纵向通风风速等3种因素影响下列车着火的烟气扩散过程,从而进一步确定紧急救援站结构型式的相关参数。结果表明:新型紧急救援站结构型式应包括疏散区、隔离区以及待避救援区3部分;纵向风速对烟气扩散长度的影响最大,其次是坡度,最后是列车起火位置;建议下坡侧隔离区的设置长度为1 350 m,上坡侧隔离区的设置长度为1 450 m。

关键词: 洞外无疏散条件, 紧急救援站, 结构型式, 疏散区, 待避救援区, 隔离区

Abstract: As current emergency rescue station structure cannot meet requirements of evacuation and rescue, and there is no evacuation conditions outside tunnels, a new structural type of rescue station is proposed. With a railway tunnel project as an example, numerical simulation was conducted by using FDS5.0 software to analyze smoke diffusion process of burning trains under influence of train fire position, tunnel longitudinal slope and longitudinal ventilation wind speed. Then, relevant structure parameters of emergency rescue station were determined. The results show that the new structure shall include three parts, evacuation area, isolation region and avoidance rescue area. Longitudinal wind speed has the greatest influence on length of smoke diffusion, followed by slope, and finally train fire location. It is recommended that length of isolation zone on the downhill side is set at 1 350 m, and that on uphill side at 1 450 m.

Key words: without evacuation conditions outside tunnels, emergency rescue station, structural type, evacuation area, avoidance rescue area, isolation region

中图分类号:

X928.03
U25

李春荟, 王明年, 郭晓晗, 刘轲瑞, 于丽. 洞外无疏散条件的紧急救援站结构型式研究^*[J]. 中国安全科学学报, 2021, 31(9): 184-190.

LI Chunhui, WANG Mingnian, GUO Xiaohan, LIU Kerui, YU Li. Discussion on structural type of emergency rescue station without evacuation conditions outside tunnels[J]. China Safety Science Journal, 2021, 31(9): 184-190.

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洞外无疏散条件的紧急救援站结构型式研究^*

Discussion on structural type of emergency rescue station without evacuation conditions outside tunnels

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