铁道标准设计2017，Vol.61Issue(7)：121-124,130,5.DOI:10.13238/j.issn.1004-2954.2017.07.027
铁路隧道群划分标准的影响因素及其救援站设置探讨
Discussion on the Influencing Factors of Railway Tunnel Group Classification Standards and the Establishment of Rescue Station
史先伟1
作者信息
- 1. 中铁第一勘察设计院集团有限公司,西安 710043
- 折叠
摘要
Abstract
According to the current code, the definition of the tunnel group is the tunnels which are closely connected and the portal distance between them is not more than 400m. A large number of emergency rescue stations and matching projects need to be set up and huge investment is required. Based on the temperature and the visibility of smoke in case of fire, this paper studies the dividing standard of railway tunnel group and the setting principles of emergency rescue station by means of theoretical analysis and practical investigation. The results show that: ( 1 ) tunnels of the group do not affect each other in the case of fire when the portal distance between two tunnels is longer than 250 m;(2) the adjacent tunnels can be regarded as tunnel group when the portal distance between the two adjacent tunnels is less than 250 m;(3) if a station is set up between two adjacent tunnels, a jet fan can be placed between them to prevent smoke from diffusing into the tunnel independence of the distance between the two tunnels; ( 4 ) the emergency rescue station in the tunnel group should be constructed outside of the tunnel as much as possible, and the length of the rescue station should be decided under such condition that any car of the train gets on fire and the train stops outside of the tunnel.关键词
铁路/隧道群/紧急救援站/隧道洞口间距/工程投资/理论分析/划分标准Key words
Railway/Tunnel group/Emergency rescue station/Portal distance between two tunnels/Project investment/Theoretical analysis/Standard of division分类
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史先伟..铁路隧道群划分标准的影响因素及其救援站设置探讨[J].铁道标准设计,2017,61(7):121-124,130,5.
