地铁站台火灾屏蔽门开启方案实验与数值模拟对比研究
Comparative study on experiment and simulation of screen door open modes under underground railway platform fire situation
摘要：
以广州地铁三号线大塘站为例，采用实测和数值模拟方法，分析了地铁站台发生火灾时标准区间站站台5种屏蔽门开启模式下通过屏蔽门的风速和风量，研究了屏蔽门的最佳开启方案。结果表明，地铁站台发生火灾时，屏蔽门的开启数量分别为2，4，6，24（全开）时，均能满足人员疏散的要求，也符合相关地铁设计规范的要求；但最佳的屏蔽门开启方案是开启站台一侧两端各2个屏蔽门，另外再开启站台排烟风机。
Abstract：
Taking Datang station of Guangzhou underground railway line three as an example, adopting experiment and simulation methods, analyses the wind velocity and quantity through screen doors on the platform of standard interval station under five screen door open modes when fire occurs on the platform, and studies the best screen door opening scheme. The results show that when the number of open screen door is 2,4, 6 and 24 (all open), it can meet the evacuation requirements, and also comply with the relevant specifications when the fire occurs on the platform.But the best opening scheme is that two doors are open on the two sides of the platform, in addition to opening the exhaust fans.
Keywords:undergroundrailway,platform,fire,screendoor,openingscheme,windvelocity,windquantity