钻孔桩施工时，在孔中注入泥浆的主要目的是（）。 -题库考试答案搜索网

钻孔桩施工时，在孔中注入泥浆的主要目的是（）。

单选题

2021-07-17 23:23

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt;">保护孔壁，防止坍塌</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt;">有利于钻头钻进</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt;">便于下钢筋笼</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt;">其它目的</span>

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正确答案

A

试题解析

标签：道路桥梁工程技术高起专墩台与基础工程 2020年第二学期期末考试

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