Abstract：Research purposes:With the rapid social and economic developments in China，there are more and more underwater tunnel projects，but its matching technical specifications and relative technical standards on the fire extinguishing system have not been formed a complete set of system． There is no clear specification on the fire extinguishing system for the underwater tunnel in the existing railway and highway codes，so these codes are unavailable for design of the fire extinguishing system for underwater tunnel． This paper analyzes the fire characteristics and the fire causes of the underwater tunnel，studies the current situation and problems in the fire extinguishing system for the existing railway and highway tunnels，and combined with the projects of the underwater railway and highway tunnels，gives out the key design parameters on the fire extinguishing system for the underwater highway and railway tunnels to provide the reference to the similar works．
Research conclusions:On consideration of the importance of the fire extinguishing system for the underwater railway tunnel，it is recommended to add the indoor tunnel fire hydrant system and the high － pressure water mist fire hydrant in rescue area and the different fire extinguishing systems should be used for the different long highway tunnels of less than 500m，from 500m to 1000m and from 1000m to 3000m．
邹 红. 水下隧道消防系统关键技术研究[J]. 铁道工程学报, 2013, 30(4): 92-95.
ZOU Hong. Research on Key Technologies of Fire Extinguishing System for Underwater Tunnel. 铁道工程学报, 2013, 30(4): 92-95.
Huang Dun． Comparative Study on Fire Fighting Systems for Long Underwater Tunnels of China Railway and Foreign Railways ［J］． Journal of Railway Engineering Society，2011(8) : 68－72．
Wu Guohua，Zhang Jian，Li Yong，etc． Application of High Pressure Water Mist Fire Extinguishing System on Firefighting of Long Railway Tunnel ［J］． Railway Standard Design，2009(9) : 85－86．
［4］ GB 50016—2006，建筑设计防火规范［S］．
GB 50016—2006，Code of Design on Building Fire Protection and Prevention［S］．
［5］ TB 10063—2007，铁路工程设计防火规范［S］．
TB 10063—2007，Code for Design on Fire Prevention of Railway Engineering［S］．
［6］ JTG/T D71—2004，公路隧道交通工程设计规范［S］．
JTG /T D71—2004， Design Specification for Traffic Engineering of Highway Tunnel［S］．
［7］ GB 50151—2010，泡沫灭火系统设计规范［S］．
GB 50151—2010， Code for Design of Foam Extinguishing Systems［S］．
2013, Vol. 30 
版权所有 © 2014 《铁道工程学报》编辑部