南京地铁3号线过江隧道消防设计探讨

Discussion on Fire Protection Design in Nanjing Metro Line 3 Tunnel Crossing Yangtze River

随着我国地铁的发展,过江地铁隧道越来越多,其中,隧道消防系统的作用显得日益重要。针对南京地铁3号线大盾构过江隧道工程,从过江地铁区间消防平面布置、火灾场景确定及其消防要求等三个方面探讨其消防系统的设计思路,通过消火栓系统的合理设计,满足"扑灭隧道内不同位置、不同场景的各种火灾"的要求。

With the rapidly development of the subway system in our country, more and more riv- er-crossing subway tunnels have been built. And the role of fire protection system in tunnels is becoming more important. Therefore, this paper discusses the design concept of the fire protection system of subway tunnels on basis of a large shield river-crossing tunnel project （which is a part of the Nanjing metro line 3） from three aspects such as the layout of the subway tunnels fire protection systems, the determination of fire scenario and the fire requirements and so on. Thus, the requirements of ＂the fire in different place, as well as the fire with different scenarios＂ could be met with a reasonable fire protection system.