Numerical Simulation on Fire Environment in Urban Traffic Tunnel

摘要：

More and more urban traffic tunnels are built to mitigate the traffic problems in some large cities at present time. Fire safety problems are more import due to the large daily traffic flow in these kinds of tunnels. Numerical studies on the fire environment with different fire size in tunnels with or without slope are carried out by FDS in this paper. Longitudinal temperature distributions are obtained. Different fire behaviors are found for a fire occurring in a lope tunnel or in a normal tunnel. Due to the stack effect, the temperature fields in a slope tunnel are not symmetry, hot smoke spreads towards the top exit, and the spread speed is much faster than that in the normal tunnel. This might be dangerous for the occupants evacuation. Special measures should be taken for these kinds of fire conditions.

关键词： urban traffic tunnel numerical simulation temperature distribution slope tunnel

作者: LI Junmei LIU Xuan FU Chengyun LI Yanfeng ZHENG Lu ZHANG Ning

作者单位: College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100024, Chi School of Information Engineering, Zhengzhou University, Zhengzhou 450001, Henan, China

会议类型: 国际会议

会议名称: The 2010 International Symposium on Safety Science and Technology(2010 安全科学与技术国际会议)

会议地点: 杭州

会议语种:英文

页码: 632-638

在线出版日期: 2010-10-26（万方平台首次上网日期，不代表论文的发表时间）