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封闭楼梯间设计有什么要求吗？哪位有经验？

封闭楼梯间设计有什么要求吗？哪位有经验？

浏览：55次 | 提问时间： 07-28 04:27

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亦或情深 07-28 04:27

防火疏散楼梯间其踏步上下两级所形成的平面夹角不超过10度，且每级离扶手250mm处的踏步的宽度不应小于220mm。疏散楼梯和楼梯间：作为竖向疏散通道的室内、外楼梯，是建筑物中的主要垂直交通枢纽，是安全疏散的重要通道。楼梯间防火和疏散能力的大小，直接影响着人员的生命安全与消防队员的救灾工作。由此看来建筑防火设计，应依照建筑物的使用性质、高度、层数，正确运用规范，选取符合防火要求的疏散楼梯，为安全疏散创造有利条件。依照防火要求，可将楼梯间分为开敞楼梯间、封闭楼梯间、防烟楼梯间和室外辅助疏散楼梯四种形式。

候补情人 07-28 04:36

宿舍封闭楼梯间的安装有必要封闭楼梯间是用建筑构件分隔楼梯与通道的，是能够防止烟和热气进入的楼梯间，简单点说就是用墙体或者防火门把楼梯做成一个封闭的空间。宿舍这种公共住宿点为了学生安全应该安装。

深邃如暗海 07-28 04:44

按照《建筑设计防火规范》要求：楼梯间的首层应设置直通室外的安全出口或在首层采用扩大封闭楼梯间。当层数不超过4层时，可将直通室外的安全出口设置在离楼梯间小于等于15.0m处。

我心疼那个笑着说不痛的自 07-28 04:53

假如地下室是用于商业、娱乐等功能，是应该设置封闭楼梯间的。地下车库没有强制性要求，但要有安全出口，安全出口有几种设计方法，但常规的就是做封闭楼梯间，基本上地下室都会设计封闭楼梯间的。

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