分析存在垫层时，垫层材料的级配对夯击能量的传递效果；

When there was cushion layer, the material gradation of cushion layer have effect on the tamp energy's transfer.

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论证了夯击效能和夯击因素的关系，以及夯击因素的限制条件。

Relationship between absorbability efficiency of tamping energy and tamping factor, and restrictions of tamping factor are discussed.

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用重夯按一定夯距夯击软土地基，在夯击坑中填充建筑废料，再进行夯实。

We should ram the soft ground with heavy rammer awarding to certain distance, fill up the pit with construction wastes, and tamp again.

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