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分析了高层建筑发生火灾时电梯井的烟囱效应和活塞效应,对高层建筑火灾烟气的防控方法进行了说明,并基于以上分析,对电梯井采用加压送风方式,以控制烟气的蔓延进行了探讨。
The chimney effect and piston effect of elevator shaft in case of fire in high-rise building are analyzed. The prevention and control methods of smoke in high-rise building fire are described. Based on the above analysis, pressurized air supply is adopted to the elevator shaft to control the flue gas Spread was discussed.