Combining with the construction and operation manage?ment of English Channel Tunnel, the carriage fire design and tun?nel fixed fire extinguishing technology were summarized. The scheme, structure mode and fire protection measures of the pro?posed long subsea tunnels in China were analyzed and discussed. It is suggested that the optimum design scheme of the proposed long subsea tunnels is two rail tunnels and one service tunnel from the point of view of fire safety. Based on the analysis of the research status and development trend of railway tunnel fixed fire extin?guishing technology, it is pointed out that the on-board fire extin?guishing technology and safe station fixed fire extinguishing tech?nology are the main development directions in the future.%结合英吉利海峡隧道建设、运营,总结其列车车厢防火设计和隧道固定灭火技术.对我国拟修建的长大海底隧道方案、结构模式及火灾防控措施进行分析探讨,从消防安全角度提出我国长大海底隧道宜采用"双洞单线+服务隧道"的铁路隧道设计模式.通过对隧道固定灭火技术研究现状与发展趋势进行分析,指出车载固定灭火技术和隧道救援站固定灭火技术是未来重要发展方向.
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