array(3) { ["data"] => array(20) { [0] => array(11) { ["tagname"] => string(18) "楼梯设计规范" ["inlink"] => int(0) ["addtime"] => string(10) "1594372150" ["tagid"] => int(569567) ["id"] => string(6) "569567" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503929735643147) ["pageurl"] => string(35) "//www.sheji456.com/ask/tlist/569567" ["m_pageurl"] => string(33) "//m.sheji456.com/ask/tlist/569567" } [1] => array(11) { ["tagname"] => string(24) "别墅楼梯设计规范" ["inlink"] => int(0) ["addtime"] => string(10) "1600481816" ["tagid"] => int(1632850) ["id"] => string(7) "1632850" ["depart"] => string(1) "0" ["updatetime"] => int(0) ["status"] => int(99) ["_version_"] => int(1703503967336529931) ["pageurl"] => string(36) "//www.sheji456.com/ask/tlist/1632850" ["m_pageurl"] => string(34) "//m.sheji456.com/ask/tlist/1632850" } [2] => array(11) { ["tagname"] => string(24) "室内楼梯设计规范" ["inlink"] => int(0) ["addtime"] => string(10) "1599444624" ["tagid"] => 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求高层楼梯设计规范

求高层楼梯设计规范

浏览：50次 | 提问时间： 08-05 10:45

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愿你是时光盗不走的爱人 08-05 10:45

1         宜采用现浇钢筋混凝土楼梯。
2         对于框架结构，楼梯间的布置不应导致结构平面特别不规则；楼梯构件与主体结构整浇时，应计入楼梯构件对地震作用及其效应的影响，应进行楼梯构件的抗震承载力验算；宜采取构造措施，减少楼梯构件对主体结构刚度的影响。
3         楼梯间两侧填充墙与柱之间应加强拉结。

共你干杯 08-05 10:54

一、高层病房楼的避难间
1、避难间服务的护理单元不应超过2个，其净面积应按每个护理单元不小于25.0㎡确定。
2、避难间兼作其他用途时，应保证人员的避难安全，且不得减少可供避难的净面积。
3、应靠近楼梯间，并应采用耐火极限不低于2.00h的防火隔墙和甲级防火门与其他部位分隔。
4、应设置消防专线电话和消防应急广播。
5、避难间的入口处应设置明显的指示标志。
6、应设置直接对外的可开启窗口或*的机械防烟设施，外窗应采用乙级防火窗。
二、利用有顶商业步行街进行疏散时的要求
1、基于二级耐火等级建筑的防火要求
2、间距不小于相应高度建筑的防火间距且不应小于9m
3、步行街的端部在各层均不宜封闭
4、每间商铺的建筑面积不宜大于300m2，步行街的长度不宜大于300m
5、按6.2.5条的要求设置回廊或挑檐
6、各层需设置回廊和连接天桥时，应保证开口不应小于步行街地面的37%
7、疏散楼梯应靠外墙设置并宜直通室外；在首层直接通至步行街时，步行街内的步行距离不应大于60m，以上各层的疏散距离不应大于37.5m。
8、步行街内无可燃物，相邻商铺的招牌或广告牌之间的距离不宜小于1.0m。
9、顶棚下檐距地面的高度不应小于6.0m。
10、应设置排烟设施、自动*灭火系统、火灾自动报*系统和应急照明等。

暖阳 08-05 11:02

这个不管是高层还是多层的都是需要有疏散楼梯的，也就是消防疏散楼梯，按照规定的是不小于0.9m的净宽度的疏散楼梯，不过高层建筑一般要求的是封闭楼梯间，因为防火分区不得跨越楼层超过六层，所以将疏散楼梯间*出来形成单独的分区。

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