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pvc排水管可以直接埋地下吗？

2025-04-06 11:41:17

推荐回答（1个）

回答（1）：

不是直接埋的，要做垫层基矗对一般土质通常做一层0.1m厚的砂垫层即可。对软土地基，且当槽底处在地下水位以下时，宜铺一层砂砾或碎石，厚度不小于0.15m，碎石粒径5～40mm，上面再铺一层厚度不小于0.05m的砂垫层，以利基础的稳定。

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