【摘要】 对太原恒源大厦工程用性能化评估的方法 ,计算主楼梯间入口处烟气下降到 1.8m的时间大于按照最不利情况计算所得的人员疏散时间 ,得出了主楼梯间入口处设置分两步降落的防火卷帘是可行的。更多还原

【Abstract】 Based on performance-based fire safety design method of Heng Yuan Tower in Taiyuan the time that smoke drop to 1.8 m at the main stairs entrance and the personnel disperses time in the most disadvantageous circumstance are calculated.By comparing the two period of time,the conclusions are drawn,that the fireproofing roller shutters at the main stairs entrance land in two steps are credible.更多还原