结构试验是研究节点性能的有效方法，传统的建筑结构试验设备加载方式简单、自动化程度低，多数只能进行平面加载，难以进行比较复杂的空间结构节点试验。
Traditional load applying methods are simple with little automatization, and most are done only on the plane so that complex spatial joint experiment is hard to achieve.
本文主要论述试验模态分析技术在建筑结构模型动态参数识别中的应用。
In this paper, the application of model parameters identification in dynamic tests of structural model are discussed and the associated theory and data analysis methods are also presented.
根据试验测定的数据，研究了支盘桩-高层建筑结构体系的动力特性和地震反应，重点分析了支盘桩的动力响应。
Dynamic characteristics and seismic response of the system were studied, and dynamic response of squeezed branch piles was analyzed based on the test data.
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