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明沟和散水的构造要求分别是什么
更新时间: 2020-09-07 00:00:00  

明沟和散水的构造要求分别是:

1、明沟的构造可用砖砌、石砌、混凝土现浇,沟底应做纵坡,坡度为百分之零点五至百分之一,坡向窨井,沟中心应正对屋檐滴水位置,外墙与明沟之间应做散水;

2、散水的构造通常是在夯实素土上铺三合土、混凝土等材料,厚度为六十至七十毫米,设不小于百分之三的排水坡,散水与外墙交界处应设隔缝,用弹性材料嵌缝,防止外墙下沉时将散水拉裂。

关键词: 明沟 散水 构造 要求 别是 什么

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