The dynamic characteristics of an experimental structure were tested by means of pulsating method and frequencies and modes of structure are gained.
利用脉动法对-试验工程进行了动力特性测试，得到了该结构的固有频率和振型。
The parallel chain constraint, which is imposed by the sidewall on the concrete structure of the volute layer, plays a relatively small role on the dynamic characteristics of the structure.
厂房上下游边墙围岩对蜗壳层混凝土结构的水平链杆约束对结构动力特性影响较小；
By using seismic response spectrum and time history analysis method, the structure dynamic characteristics and deformation properties of the main building and connected structure were analyzed.
本文采用地震反应谱分析和时程分析方法，分析了主体和高位连接体结构的动力特性及结构变形特点。
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