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介绍了北京地铁1,2号线设备消隐改造工程的项目背景和改造条件,以模拟计算和现场实测为手段检验了既有通风排烟系统的排烟能力。通过分析北京地铁1,2号线区间隧道的特点,提出了增加区间联络通道数量、火灾时列车侧向疏散乘客的疏散和排烟模式。
The project background and reconstruction conditions of equipment blanking and transformation projects of Beijing Metro Line 1 and Line 2 were introduced. The smoke exhaust capacity of the existing ventilation and smoke exhaust system was tested by means of simulation and field measurement. By analyzing the characteristics of tunnels in Beijing Metro Line 1 and Line 2, the paper proposed the ways to increase the number of inter-area communication channels and the evacuation and smoke evacuation patterns of side evacuation trains in fire.