防火隔离带取代防火卷帘的设计探讨

Analysis on optimizing the design to replace fire resistance rolling shutter door with fire resistance shelter

依据国家现行规范关于防火分区最大允许面积规定,某地下商业广场需设置大量的防火卷帘。分析地下商业广场采用防火卷帘的弊端,提出以防火隔离带代替防火卷帘并适当扩大防火分区面积的优化设计,通过性能化方法分析论证该优化设计是可行的。

According to the current national regulation on the maximized size of fire compartment,a large number of fire-resistance rolling shutter doors are required to be installed in an underground commercial plaza.This article analyzes the disadvantages of the fire-resistance rolling shutter door installed in underground commercial plaza,put forward an optimal design to replace fire-resistance rolling shutter door with fire shelter,while reasonably enlarging fire compartment.The optimal design is proved practical by performance-based analysis.