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本文揭示了梁在发生高阶振动时的一些特性,提出了用于杆系有限元分析的梁式桥动力计算模型,并与试验结果比较其效果良好。
In this paper, some characteristics of beams under high-order vibration are revealed, and the calculation model of beam bridge used for finite element analysis of the rod system is proposed. The calculated results are in good agreement with the experimental results.