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Can Air Membrane Buildings Prevent Fires? How Do Air Membrane Buildings Achieve This?

Date: 2022-04-13 Author: 科琦气膜

  考虑到空气膜建筑屋面承重构件不易燃烧,本工程耐火等级确定为三级,相当于由木屋面和砖墙组成的砖木结构。《建筑设计防火规范》(GB)50016-2006)气膜建筑的防火要求是防火分区小于1200平方米,疏散距离小于20米。如果安装了自动灭火系统,防火分区的最大允许气膜建筑面积可增加到2400平方米。

  如果面积太大,疏散距离太长,超过规范要求的,可以按照公安部《建设工程消防性能化设计与评价应用管理暂行规定》进行消防性能化设计与评价,并从人员疏散和消防员灭火的角度进行计算机模拟,得出结论,从而指导消防设施的设计和安装。

  以上符合国内现行法律法规的要求,从技术和行政备案角度来看不存在问题。  

  我们来谈谈以下几点:空气膜建筑比普通建筑更适合大空间。首先,大空间可以储存烟雾,烟雾会慢慢下降。热烟具有支撑空气膜的功能,可长期用于人员疏散;二是B类阻燃材料燃烧溶解时,薄膜处于正压状态,燃烧溶解部位形成排烟天窗;第三,如果空气膜机械装置的出风口按要求布置,可以防止烟气下降;第四,即使空气膜结构倒塌,也不会伤害前来灭火的消防员;第五空气膜建筑基本为单层建筑,人员可直接外出。


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