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疏散楼梯设置要求主要有哪些？有人知道吗？

疏散楼梯设置要求主要有哪些？有人知道吗？

浏览：70次 | 提问时间： 07-16 05:51

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多深刻 07-16 05:51

题主好,1)小型托幼﹑医院﹑疗养院建筑﹑儿童活动场所﹑老年人建筑楼内只设置一部疏散楼梯；多层局部升高两层部位，人数之和超过50人，每层建筑面积超过200m，设置一部疏散楼梯，均不符合《建规》5.3.2条的规定。2)两个安全出口最近边缘距离不应小于5.0m。3)疏散通道在楼层或顶层被大空间用房﹙如会议室、展室、报告厅、活动室等﹚所阻断，不满足安全疏散要求。4)疏散楼梯在某层转换位置(超高层建筑通向避难层的楼梯除外)，不能连续疏散。不符合《高规》6.2.6条规定。5)设剪刀楼梯的高层塔式住宅，剪刀楼梯在首层仅有一个安全出口,不符合安全疏散要求。6)不符合《建规》7.4.5条规定的室外楼梯不能作为应急疏散的第二安全疏散出口。7)房间或管线井的门不应开向楼梯间或前室。8)袋形疏散走道距离超限,不符合安全疏散要求。9)前室或合用前室面积不够,不符合规范散要求。10)疏散楼梯外墙窗或幕墙应与其它部位有防火分隔措施并应满足规范要求。11)变形缝处不宜设防火门，无法防止时应设置在楼层较多一侧且门开后不应跨越变形缝。12)高层建筑房间面积大于60m设置一个疏散门、尽端房间面积大于75m设置一个疏散门、托幼建筑等班级用房面积大于120m只设一个疏散门、游乐场所的房间面积大于50m置一个疏散门均不符合安全疏散要求。13)应加强对人员密集场所﹙如影剧院、商场、展馆等﹚疏散宽度的审查。期望我的回答可以帮助到您。

恒温 07-16 06:00

1)小型托幼﹑医院﹑疗养院建筑﹑儿童活动场所﹑老年人建筑楼内只设置一部疏散楼梯；多层局部升高两层部位，人数之和超过50人，每层建筑面积超过200m，设置一部疏散楼梯，均不符合《建规》5.3.2条的规定。2)两个安全出口最近边缘距离不应小于5.0m。3)疏散通道在楼层或顶层被大空间用房﹙如会议室、展室、报告厅、活动室等﹚所阻断，不满足安全疏散要求。4)疏散楼梯在某层转换位置(超高层建筑通向避难层的楼梯除外)，不能连续疏散。不符合《高规》6.2.6条规定。5)设剪刀楼梯的高层塔式住宅，剪刀楼梯在首层仅有一个安全出口,不符合安全疏散要求。6)不符合《建规》7.4.5条规定的室外楼梯不能作为应急疏散的第二安全疏散出口。7)房间或管线井的门不应开向楼梯间或前室。期望能帮助到你

是谁说勇敢 07-16 06:08

首层扩大封闭楼梯间是开敞的，用于低层和多层建筑；封闭楼梯间是在梯间与楼层之间设置有防火门，用于一定范围的建筑物；
一、首层扩大封闭楼梯间
1、主要用于低层和多层住宅，复式住宅室内楼梯，各类没有特殊要求的低层多层工业和民用建筑。
2、应设置封闭楼梯间或防烟楼梯间的建筑，当其疏散楼梯数量满足规范要求，其任意相邻层面积不超过一个防火分区面积要求时，可设置敞开楼梯供经营使用。
二、封闭楼梯间
1、高层厂房和甲、乙、丙类多层厂房应设置封闭楼梯间或室外楼梯。
2、高层仓库应设置封闭楼梯间。
3、下列公共建筑的室内疏散楼梯应采用封闭楼梯间（包括首层扩大封闭楼梯间）或室外疏散楼梯：1）医院、疗养院的病房楼；2）旅馆；3）超过2层的商店等人员密集的公共建筑；4）设置有歌舞娱乐放映游艺场所且建筑层数超过2层的建筑；5）超过5层的其它公共建筑。
4、地下商店和设置歌舞娱乐放映游艺场所的地下建筑（室），当地下层数为3层及3层以上或地下室内地面与室外出入口地坪高差小于等于于10m时，应设置封闭楼梯间；
5、十二层及十八层的单元式住宅应设封闭楼梯间。
6、十一层及十一层以下的通廊式住宅应设封闭楼梯间；
7、汽车库、修车库的室内疏散楼梯应设置封闭楼梯间。
8、人防工程的下列公共活动场所，当地下为两层，且地下第二层的地坪与室外出入口地面高差不大于10m时，应设置封闭楼梯间。1）电影院、礼堂；2）建筑面积大于500m2的医院、旅馆。

脚踏俩只船你划得真漂亮 07-16 06:17

消防疏散楼梯前室面积要求是：
1.地下室、半地下室每个防火分区的安全出口数目不应少于2个。但面积不超过50m
2一、防烟楼梯间前室和封闭楼梯间的内墙上，除在同层开设通向公共走道的疏散.
2.前室地面高于疏散楼梯转角地面，那也就是形成了踏步，按照规定出口1.4米范围内不能设置踏步，其他倒没有实际的要求。

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