采用压路机碾压土路基时，应遵循（）及轨迹重叠等原则 -题库考试答案搜索网

采用压路机碾压土路基时，应遵循（）及轨迹重叠等原则

单选题

2022-06-02 06:39

A、先重后轻、先静后振、先低后高、先慢后快，
B、先轻后重、先静后振、先低后高、先慢后快
C、先轻后重、先振后静、先低后高、先慢后快，
D、先轻后重、先静后振、先高后低、先慢后快，

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试题解析

核心考点解析：路基压实
1．压实方法（式）：重力压实（静压）和振动压实两种。
2．土质路基压实原则：“先轻后重、先静后振、先低后高、先慢后快，轮迹重叠。”压路机最快速度不宜超过4km/h。
3．碾压应从路基边缘向中央进行，压路机轮外缘距路基边应保持安全距离。
4．碾压不到的部位应采用小型夯压机夯实，防止漏夯，要求夯击面积重叠1/4～1/3

标签： CMS专题一级建造师市政公用工程建筑工程

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