关于人工挖孔灌注桩，下列描述较为准确是。 -题库考试答案搜索网

关于人工挖孔灌注桩，下列描述较为准确是。

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2022-04-02 17:09

A、在粘土或粉质粘土中可不做（钢筋砼）护壁；
B、现场挖孔自上而下，先挖周边再挖中间，随挖孔随制作护壁
C、工作期间做好换气通风
D、桩径800mm以上，深度20米左右
E、吊升土一般采用编制布袋

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正确答案

CDE

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标签：佳木斯职业学院继续教育学院建筑工程技术高起专建筑施工（面授）平时作业1

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