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防烟楼梯间设置要求有哪些？

防烟楼梯间设置要求有哪些？

浏览：61次 | 提问时间： 08-01 05:35

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斜揽残箫 08-01 05:36

楼梯间的设置应符合下列规定：1 楼梯间入口处应设前室、阳台或凹廊。2 前室的面积，公共建筑不应小于6.00m2，居住建筑不应小于4.50m2。3 前室和楼梯间的门均应为乙级防火门，并应向疏散方向开启。4 裙房和除单元式和通廊式住宅外的建筑高度不超过32m的二类建筑应设封闭楼梯间。封闭楼梯间的设置应符合下列规定：1 楼梯间应靠外墙，并应直接天然采光和自然通风，当不能直接天然采光和自然通风时，应按防烟楼梯间规定设置。2 楼梯间应设乙级防火门，并应向疏散方向个启。3 楼梯间的首层紧接主要出口时，可将走道和门厅等包括在楼梯间内，形成扩大的封闭楼梯间，但应采用乙级防火门等防火措施与其它走道和房间隔开。4 单元式住宅每个单元的疏散楼梯均应通至屋顶，其疏散楼梯间的设置应符合下列规定： 6.2.3.1 十一层及十一层以下的单元式住宅可不设封闭楼梯间，但开向楼梯间的户门应为乙级防火门，且楼梯间应靠外墙，并应直接天然采光和自然通风。5 十二层及十八层的单元式住宅应设封闭楼梯间。

我还好 08-01 05:44

您好，防烟楼梯间是指具有防烟前室和防排烟设施并与建筑物内使用空间分隔的楼梯间。其形式一般有带封闭前室或合用前室的防烟楼梯间，用阳台作前室的防烟楼梯间，用凹廊作前室的防烟楼梯间等。,1，楼梯间入口处应设前室、阳台或凹廊。2，前室的面积，对公共建筑不应小于6 ㎡，与消防电梯合用的前室不应小于10㎡；对于居住建筑不应小于4.5㎡，与消防电梯合用前室的面积不应小于6 ㎡；对于人防工程不应小于10㎡。3，前室和楼梯间的门均应为乙级防火门，并应向疏散方向开启。4，如无开窗，须设管道井正压送风。希望我的回答对您有帮助。望采纳！

难掩着不舍 08-01 05:52

你好，塔式住宅，通常也就是一个*住宅单元（非剪*楼梯）的建筑。由于这样的建筑发生火灾时，仅有一个疏散楼梯供建筑内的人员疏散，而我国目前仅有少数几个城市有消防直升机对屋面的人员进行疏散，因此，规范对这样的建筑的楼梯间的防烟问题有严格的要求的。希望可以帮到你。

童话 08-01 06:00

（1）楼梯间入口处应设前室、阳台或凹廊。（2）前室的面积，对公共建筑不应小于6 ㎡，与消防电梯合用的前室不应小于10㎡；对于居住建筑不应小于4.5㎡，与消防电梯合用前室的面积不应小于6 ㎡；对于人防工程不应小于10㎡。（3）前室和楼梯间的门均应为乙级防火门，并应向疏散方向开启。

没有你我活的更好 08-01 06:09

（1）楼梯间入口处应设前室、阳台或凹廊。（2）前室的面积，对公共建筑不应小于6 ㎡，与消防电梯合用的前室不应小于10㎡；对于居住建筑不应小于4.5㎡，与消防电梯合用前室的面积不应小于6 ㎡；对于人防工程不应小于10㎡。（3）前室和楼梯间的门均应为乙级防火门，并应向疏散方向开启。（4）如无开窗，须设管道井正压送风。

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