大型体育馆类建筑设计中往往考虑到美观和使用功能等因素, 使得诸如防火分区面积、疏散距离等消防设计远超我国现行消防规范要求, 从而引发一系列诸如火灾蔓延特征改变、烟气扩散规律变更等问题。通过性能化方法对某体育馆进行消防设计评估, 利用火灾模拟软件FDS模拟不同火灾场景, 结合人员疏散软件pathfinder进行人员疏散分析, 确定其排烟量、优化人员疏散方案, 确保其能达到消防安全目标。

Considering the factors such as appearance and function in large gymnasiums′ design, some firefighting designs like areas of fire compartments and evacuation distance go beyond the existing fire rules, causing a series of problems, such as the change of fire spreading characteristics, change of smoke movements and so on. At the same time, larger evacuation distance may lead to larger evacuation time.This paper evaluates the fire protecting system in a large gymnasium by using FDS and Pathfinder, and determines smoke exhaust rate, optimizes evacuation strategy, in order to achieve fire safety objectives.