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住宅樓梯臺階寬高度國家規定尺寸是多少? 住宅樓梯臺階寬高度國家規定尺寸簡述

房產更新時間:2024-06-05 01:54:51

住宅套內樓梯、維修專用樓梯:最小寬度≥0.22m;最大高度≤0.20m。

1、室內臺階宜150×300;室外臺階寬宜350左右,高寬比不宜大于1:2.5。

2、住宅公用樓梯踏步寬不應小于0.26M,踏步高度不應大于0.175M。

3、住宅梯段寬度不應小于1.1M(6層及以下一邊設欄桿的可為1.0M),凈空高度2.2M。

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