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商用楼梯设计的方法有谁了解？

商用楼梯设计的方法有谁了解？

浏览：37次 | 提问时间： 07-13 05:48

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6个答案

废 07-13 05:48

一般按宽度0.3米，高度0.15米设计最适宜。使用也方便，另外宽度高度规范有规定。

民用建筑设计通则
第4.2.1条
楼梯

一、楼梯的数量、位置和楼梯间形式应满足使用方便和安全疏散的要求。

二、梯段净宽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净宽应根据建筑物使用特征，一般按每股人流宽为0.55＋(0～0.15)m的人流股数确定，并不应少于两股人流。

注：0～0.15m为人流在行进中人体的摆幅，公共建筑人流众多的场所应取上限值。

三、梯段改变方向时，平台扶手处的最小宽度不应小于梯段净宽。当有搬运大型物件需要时应再适量加宽。

四、每个梯段的踏步一般不应超过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。梯段净高不应小于2.20m。

注：梯段净高为自踏步前缘线(包括最低和最高一级踏步前缘线以外0.30m范围内)量至直上方突出物下缘间的铅垂高度。

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，达四股人流时应加设中间扶手。

七、室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超过0.50m长时，其高度不应小于1m。

八、踏步前缘部分宜有防滑措施。

九、有儿童经常使用的楼梯的梯井净宽大于0.20m时，必须采取安全措施。

十、楼梯踏步的高度比应符合表4.2.1的规定。
住宅踏步最大高度0.18，最小宽度0.25
幼儿园小学楼梯踏步最大高度0.15 ，最小宽度0.26
电影院、剧院、体育馆、商场、医院、疗养院等楼梯踏步，最大高度0.16，最小宽度0.28
其他建筑物楼梯踏步，最大高度0.17，最小宽度0.26
住宅户内楼梯，专用服务楼梯，最大高度0.20，最小宽度0.22

扮演你 07-13 05:57

1.选择楼梯形式：双跑还是三跑，平行或剪刀式等等。
2.确定踏步尺寸和踏步数:设踏步宽b为280,一般为250-320mm,据经验公式2h+b

習慣了 07-13 06:05

600mm计算踏段高度,(140-180).
踏步数N

彼得潘√ 07-13 06:13

层高/踏步高度,若N不为整数,调整踏步高.
3.确定梯段宽度:确定梯井宽
梯段宽

义无反顾 07-13 06:22

楼梯间净宽-梯井宽/2
4.确定各梯段踏步数:N/2(平行双跑楼梯)
5.确定梯段长度和梯段高度
6.确定平台深,一般为楼台平台和中间平台,各平台深度不得小于楼梯梯段宽度.
7.确定底层楼梯中间平台下的地面标高和中间平台标高.
梯段净高(踏步前缘到时顶棚的垂直距离)不得小于2200mm

软弱给谁看 07-13 06:30

(1)板式楼梯 1.根据建筑图，制定结构组成 2.斜板设计(荷载计算、内力计算、截面设计以及构造要求) 3.平台板设计 4.平台梁设计 5.绘制结构施工图
(2)梁式楼梯 1.根据建筑图，制定结构组成 2.踏步板设计(荷载计算、内力计算、截面设计以及构造要求) 3.斜梁设计 4.平台梁、平台板设计 5.绘制结构施工图

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