结合某住宅小区工程实例，介绍了旋挖钻机施工钻孔灌注桩的工艺流程，对施工准备、钻孔施工、清孔、钢筋笼制作安装、灌注水下混凝土等施工环节进行了阐述，指出旋挖钻机具有钻进速度快、操作简单方便、移位快捷等优点。%Combining with the residential community engineering as an example,the article introduces bored pile construction technology proce-dures of rotary driller,describes construction preparation,hole cleaning,steel cage installation,underwater concrete construction and other con-struction points,finally points out advantages of rotary driller,such as fast speed,simple and convenient operation and quick movement and so on.
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