Based on the collapsible loess subgrade in China northern region, this paper used dynamic sounding method and surface wave method to detect the impact compaction behavior.

基于中国北方某湿陷性黄土路基工程，利用动力触探和面波法等方法对冲击压实工后的黄土路基进行对比检测。

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By analyzing the common physics mechanics property before and after dynamically compacting, the obvious effect of adopting dynamic compaction method is manifested.

分析比较了试夯前后的常规物理力学性能，证明强夯施工参数设计合理，处理效果显著。

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