Three analysis models in different pre-stressed state are established to compare the similarities and difference, therefore, comprehensive analysis of the different types can be acquired.
建立了三种预应力状态下的分析模型，计算了各状态下的动力性能，分析了预应力对提高结构刚度的贡献。
Three analysis models in different pre-stressed state are established to compare the similarities and difference, therefore, comprehensive analysis of the different types can be acquired.
建立了三种预应力状态下的分析模型，计算了各状态下的动力性能，分析了预应力对提高结构刚度的贡献。
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