民用建筑地下部分楼梯间正压送风系统设计探讨

Discussion on Positive Pressure Air Supply System Design of Underground Staircases in Civil Buildings

民用建筑地下室疏散楼梯间,作为唯一的疏散通道火灾时对于人员安全疏散极为重要。如何保证疏散楼梯间不被火灾烟气侵入是防排烟系统设计的重要目的。本文对3种常见的地下室楼梯间正压送风系统进行对比分析,从安全与经济角度提供较优的选择。

The staircases for evacuation in civil basement, as the only evacuation routes if fire happens, are extremely important. How to ensure the staircases for evacuation against fire smoke is an emphasis when smoke control system is designed. The thesis analyses and compares three kinds of common positive pressure air supply system in underground staircases in order to provide an optimum in perspective of security and economy.