In this paper ,the model for working principle of dynamic compaction machinery was set up ,and the dynamic analysis was carried out .The result of theoretical calculation was compared with that of actural test ,to provide theoretical basis for selection of dynamic compaction equipment .%通过建立强夯机的理论力学模型,对其进行了动力学分析,并将理论计算结果与实际测试结果进行了对比,为强夯施工配备相应的门架装置提供理论计算依据。
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