By the analysis of the compact effectiveness on clay and sandy soils, it is proved that impact compaction is good for compacting the subgrade in deep depth and the effect on clay is better than that on sandy soil.

• 通过对砂土和粘土两种不同土质路基的冲击压实效果的分析，验证了冲击压实的深层压实效果，发现粘土比砂土的冲压效果好。