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室内梯子设计有哪些规范？

室内梯子设计有哪些规范？

浏览：36次 | 提问时间： 08-10 09:01

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回头太难 08-10 09:02

室内梯子设计规范:一、楼梯 1．楼梯：角度在20。～45。之间,舒适坡度为26。34′,即高宽比为1/2；二、楼梯数量的确定 1．公共楼梯和走廊式住宅一般应取二部楼梯，单元式住宅可例外； 2． 2～3层的建筑（*院、疗养院、托儿所、幼儿园除外）符合下列要求，可设一个疏散楼梯：耐火等级层数每层最大建筑面积（m2）人数一、二级二、三层 500 第二层与第三层人数之和不超过100人三级二、三层 200 第二层与第三层人数之和不超过50人四级二层 200 第二层人数之不超过30人 3．九层和九层以下，每层建筑面积不超过300 m2，且人数不超过30人的单元式住宅可设一个楼梯； 4．九层和九层以下建筑面积不超过500 m2的塔式住宅，可设一个楼梯。三、楼梯位置的确定 1．楼梯应放在明显和易于找到的部位； 2．楼梯不宜放在建筑物的角部和边部，以便于荷载的传递； 3．楼梯应有直接的采光和自然通风； 4．五层及以上建筑物的楼梯间，底层应设出入口；在四层及以下的建筑物，楼梯间可以放在距出入口不大于15m处。四、楼梯细部尺寸 1．踏步宽（b）、高（h）应符合以下关系之一： b+h

微凉徒眸意浅挚半离兮 08-10 09:10

450mm b+2h

悸动palptat 08-10 09:18

600～620mm 2．梯井宽度以不小于150mm为宜； 3．楼梯段最少踏步数为3步，最多为18步；梯段宽度取决于通行人数和消防要求； ⑴每股人流宽度

自私替代了爱换来了我的 08-10 09:27

平均肩宽（550mm）+少许提物尺寸（0～150mm） ⑵消防要求每个楼梯必须保证二人同时上下，梯段最小宽度1100～1400mm； ⑶室外疏散楼梯梯段最小宽度800～900mm。 4．楼梯栏杆和扶手 ⑴扶手表面的高度与楼梯坡度有关（15。～30。取900, 30。～45。取850, 45。～60。取800, 60。～75。取750） ⑵水平的护身栏杆应不小于1050mm； ⑶楼梯段的宽度大于1650mm(三股人流)时，应增设靠墙扶手；楼梯段的宽度超过2200mm(四股人流)时，还应增设中间扶手。 5．楼梯休息平台梁与下部通道处的净高尺寸不应小于2000mm，楼梯之间的净高不应小于2200mm。

就像變色龍一樣變來變去 08-10 09:35

室内梯子设计规范：1、室内楼梯踏步的斜度设计规范踏步的斜度通常是由层高、洞口周遍的空间大小条件来决定的。楼梯踏板的前沿连成的直线和水平夹角称为楼梯的斜度。室内楼梯的斜度一般为30左右最为舒适。室外楼梯一般斜度要求比较平坦。2、室内楼梯板设计规范楼梯板的规格包括踏板和立板的规格，一般要求适应于人的脚掌尺寸。一般踏板宽，立板低的踏步会较为舒适。室内楼梯的踏板宽度应不小于24厘米，一般在28厘米最舒适。立板的高度应不高于20厘米，一般在18厘米最舒适。而且各个踏板宽和立板高应该是一致的，否则容易使人摔倒。3、室内楼梯步长设计规范步长即楼梯的宽度。室内楼梯的步长一般为90厘米，即省空间又让人行走舒适。楼梯设计规范虽然经常被提到，但是没有一个确定的指标，都是大的楼梯企业做出的，也是楼梯行业约定俗成的，所以说所谓的楼梯设计规范是没有具体的行业硬性标准。

未歌 08-10 09:43

（一）楼梯的数量、位置、宽度和楼梯间形式应满足使用方便和安全疏散的要求。　　（二）墙面至扶手中心线或扶手中心线之间的水平距离即楼梯梯段宽度除应符合防火规范的规定外，供日常主要交通用的楼梯的梯段宽度应根据建筑物使用特征，按每股人流0.55+（0~0.15）m的人流股数确定，并不应少于两股人流。0~0.15m为人流在行进中人体摆幅，公共建筑人流众多的场所应取上限值。在设计通则中说明：　　楼梯梯段宽度在防火规范中是以每股人流为0.55m计，并规定按两股人流最小宽度不应小于1.10m，这对疏散楼梯是适用的，而对平时用作交通的楼梯不完全适用，尤其是人员密集的公共建筑（如商场、剧场、体育馆等）主要楼梯应考虑多股人流通行，使垂直交通不造成拥挤和阻塞现象。如此，人流宽度按0.55m计算是最小值，实际上人体在行进中有一定摆幅和相互间空隙，因此本条规定每股人流为0.55m+(0~0.15)m，0~0.15m即为人流众多时的附加值，单人行走楼梯梯段宽度还需要适当加大，见图。　　（三）、梯段改变方向时，扶手转向端处的平台最小宽度不应小于梯段宽度，并不得小于1.20m，当有搬运大型物件需要时应适量加宽。　　（四）、每个梯段的踏步不应超过18级，亦不应少于3级。　　（五）、楼梯平台上部及下部过道处的净高不应小于2m，梯段净高不宜小于2.20m。　　注：梯段净高为自踏步前缘（包括最低和最高一级踏步前缘以外0.30m范围内）量至上方突出物下缘间的垂直高度。　　（六）、楼梯应至少于一侧设扶手，梯段净宽达三股人流时应两侧设扶手，达四股人流时宜加设中间扶手。　　（七）、内楼梯扶手高度自踏步前缘线量起不宜小于0.90m。靠楼梯井一侧水平扶手长度超过0.50m时，其高度不应小于1.05m。　　（八）、踏步应该采取防滑措施。　　（九）、托儿所、幼儿园、中小学及少年儿童专用活动场所的楼梯，梯井净宽大于0.20m时，必须采取防止少年儿童攀滑的措施，楼梯栏杆应采取不易攀登的构造，当采用垂直杆件做栏杆时，其杆件净距不应大于0.11m。

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