铁路隧道运营通风设计中,当采用洞口帘幕通风方式时,如何确定帘幕体受力的大小?要不要考虑高峰压力?这直接影响到帘幕体的结构计算,现仅就第二个问题谈谈我们的看法。洞口帘幕式的隧道通风,在开始通风时,一般是采用先关帘幕后启动风机的方法;停止通风时,则是先停风机然后再开帘幕。在先关帘幕后启动风机的情况下,隧道内的空气由静止状态到具有一定的速度,需要有一个过程,在此过程中存在着气流的冲击作用;此外,在风 How to determine the size of the curtain body force when using the hole curtain ventilation in railway tunnel ventilation design? Do not consider the peak pressure? This directly affects the structural calculation of the curtain body, the second question Talk about our view. Hole tunnel curtain tunnel ventilation, at the beginning of ventilation, the method is generally used to turn off the fan after the first off curtain; stop ventilation, it is the first stop fan and then open the curtain. In the case of starting the blower behind the curtain first, the air in the tunnel is at rest from the standstill to a certain speed, and a process is required in which there is an impact of the air flow. In addition,