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桩基工程中有效桩长至少几米
更新时间: 2020-09-21 00:00:00  

灌注有效桩长度至少5米。 灌注桩是直接在所设计的桩位上开孔,其截面为圆形,成孔后在孔内加放钢筋笼,灌注混凝土而成。 灌注桩按其成孔方法不同,可分为钻孔灌注桩、沉管灌注桩、人工挖孔灌注桩、爆扩灌注桩等。钻孔灌注指利用钻孔机械钻出桩孔,并在孔中浇筑混凝土或先在孔中吊放钢筋笼而成的桩。

关键词: 工程 有效 至少

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