新建铁路兰州至重庆线夏官营至广元段西秦岭隧道防灾救援技术研究

发布时间：2018-02-05 01:02

本文关键词： 铁路特长隧道隧道火灾防灾救援最优设计方案　出处：《西南交通大学》2014年硕士论文　论文类型：学位论文

【摘要】：铁路线路中特长山岭隧道拥有着非常多的优越性,得到了越来越广泛的使用,但是同时也带来了特长铁路隧道防灾疏散方面的新问题,因此对铁路隧道防灾救灾工作的研究设计具有重要的工程意义。由于铁路隧道内火灾的众多特点,隧道内的防灾救援主要针对以火灾为主的灾害。本文以新建铁路兰州至重庆线夏官营至广元段西秦岭隧道为研究对象,根据我国《铁路隧道防灾救援疏散工程设计规范》相关规范标准,结合当地实际工程条件,对西秦岭隧道的防灾救援系统进行了深入的研究设计。通过分析研究西秦岭隧道概况、沿线自然概况和正线主要技术标准,并参考国内外其他特长铁路隧道的防灾救援方案,再结合相关规范,最终选定西秦岭隧道防灾救援系统中应设置包含的具体子系统。在分析研究设计西秦岭隧道防灾救援系统各子系统过程中,根据相关规范设置两个或两个以上的设计方案,各方案中再设若干子方案,之后通过对比各设计方案的优缺点、投资方案、实际需求等方面,从中选择一个最优设计方案。主要设计结论为：(1)全隧道在罗家理斜井设置1个救援紧急救援站,采用避难所+加密横通道的紧急救援站结构,紧急救援站长度600m；(2)通风采用正洞轴流风机送风,罗家理斜井排风的模式,避难所防灾送风量取为160m3/s,排风风量为264m3/s,泄压阀开启面积设计为23.54m2；(3)设计采用水成膜泡沫消火栓灭火、固定式自动高压细水雾灭火、水幕灭火三种灭火系统构成西秦岭隧道防灾水消防灭火系统。
[Abstract]:The extra-long mountain tunnel in railway lines has many advantages and has been used more and more widely, but it also brings new problems in disaster prevention and evacuation of extra-long railway tunnel. Therefore, the research and design of railway tunnel disaster prevention and relief work has important engineering significance, because of the many characteristics of railway tunnel fire. The disaster prevention and rescue in the tunnel is mainly aimed at the fire disaster. This paper takes the West Qinling Tunnel from Xia Guanying to Guangyuan section of the newly built railway line from Lanzhou to Chongqing as the research object. According to our country "Railway Tunnel disaster Prevention and Rescue evacuation Engineering Design Code" related standards, combined with the local actual engineering conditions. The disaster prevention and rescue system of West Qinling Tunnel has been deeply studied and designed. By analyzing and studying the general situation of West Qinling Tunnel, the natural situation along the route and the main technical standards along the main line. And referring to the disaster prevention and rescue plan of other special railway tunnels at home and abroad, combined with the relevant norms. Finally selected the West Qinling tunnel disaster prevention and rescue system should include the specific subsystem. In the analysis and design of the West Qinling tunnel disaster prevention and rescue system each subsystem process. According to the relevant norms set up two or more than two design plans, each scheme is divided into a number of sub-projects, and then through the comparison of the advantages and disadvantages of each design, investment schemes, actual needs and so on. The main design conclusion is that the whole tunnel is equipped with a rescue emergency rescue station in Luojiali inclined well, and the emergency rescue station structure is used to encrypt the horizontal passage of the shelter. Emergency rescue station is 600m in length; (2) the ventilation adopts the main hole axial fan to supply air and the Luojiali inclined well to exhaust the air. The disaster prevention and air supply rate of the shelter is 160 m3 / s, and the exhaust air volume is 264 m3 / s. The open area of pressure relief valve is 23.54m2; 3) Water film foam fire extinguishing system, fixed automatic high pressure water mist fire extinguishing system and water curtain fire extinguishing system constitute the fire prevention and fire extinguishing system of West Qinling Tunnel.
【学位授予单位】：西南交通大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U458.1

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