结合某工程，在同一场地，对不同桩长条件下的预应力混凝土管桩进行了静载荷和动力测试对比试验，取得了一些对比资料和实测成果，并对其原因进行简要分析，从而得出了一些有益的结论，具有一定指导意义。%Combining with a project, this paper made static load and dynamic test contrast test to prestressed concrete pipe pile at the same site and for different pile long, gained some contrast materials and the measured results, and briefly analysed the reasons, so as to abtain some useful conclusions, had some guiding significant.
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