中国土木工程学报 关键词： 桩-土结构动力相互作用； 动力阻抗； 隔震结构； 损伤 [gap=2005]Keywords: soil-pile-structure interaction; dynamic impedance; isolated structure; damage
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As one of the key issues in the study of dynamic behavior of pile-supported structures by the substructure method, the dynamic impedance of pile foundation should be rationally evaluated for considering the effect of soil-pile dynamic interaction.
1.当运用子结构方法分析桩—土—结构体系的动力相互作用特性时,桩基动力阻抗的合理确定是一个关键的问题。
参考来源 - 桩——土相互作用计算模型及其在桩基结构抗震分析中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
提出了计算层状土中单桩动力阻抗的方法。
The method for the calculation of the dynamic impedances of a single pile in layered soil is developed.
可以用于群桩动力阻抗及桩身内力的计算，也可以进行桩—土—桩运动相互作用分析。
It may be used for the calculation of the dynamic impedances and internal forces of pile groups, and also for the analysis of the kinematic pile-soil-pile interactions.
在分析了动力相互作用因子的统计特性后，推导了群桩的水平动力阻抗的统计表达式。
Furthermore, the statistics of dynamic interaction factors were studied and the statistic expressions of dynamic impedances of group piles were presented.
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