某中庭式建筑火灾情况下人员疏散危险性分析

Research on Fire Evacuation in a Building Atrium

建筑物内人员的安全疏散设计是建筑防火设计的重要组成部分。本文针对具体某中庭建筑的实际情况,开展人员安全疏散研究,采用性能化防火设计的思想,运用经验公式和场模拟相结合的方法对不同火灾场景下中庭的烟气运动进行数值计算,并将计算结果与我国现行规范中的相关规定对比分析。研究结果表明,性能化设计思想能在中庭的人员疏散设计中得到合理的应用。

Safety evacuation design is a key content for building fire safety design. In this paper, a typical atrium was used as a case for the study of fire evacuation. By performance-based design method, smoke movement of atrium was numerical simulated by combining empirical formula and field simulation under representative fire scenarios. By comparing the calculated results with the prescriptive regulations of our country, it was shown that performance- based design can be reasonably used to evaluate and design the fire evacuation in building atriums.