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桩基础按施工工艺分为哪几种
更新时间： 2020-10-04 00:00:00  

桩基础按施工工艺分为预制桩和灌注桩。

预制桩：通过打桩机将预制的钢筋混凝土桩打入地下。

优点是材料省，强度高，适用于较高要求的建筑。缺点是施工难度高，受机械数量限制施工时间长。灌注桩：首先在施工场地上钻孔，当达到所需深度后将钢筋放入浇灌混凝土。

优点是施工难度低，尤其是人工挖孔桩，可以不受机械数量的限制，所有桩基同时进行施工，节省时间。缺点是承载力低，费材料。

关键词： 基础 施工 工艺 分为

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