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本文提出了利用传递矩阵计算筒承式贮仓地震反应的方法。考虑到贮料在地震时具有耗能作用的特点,在建立计算模型和传递矩阵时又利用复阻尼理论把贮料阻尼和结构阻尼予以了分别考虑。为满足传递矩阵方法的需要,利用快速富氏变换理论对地震波进行了适当的处理。本文方法与试验结果对比表明,本文所提出的方法是可靠的,对于筒承式贮仓的地震反应分析具有实用意义。
This paper proposes a method for calculating the seismic response of a cartridge-supported silo using a transfer matrix. Taking into account the energy-storing characteristics of the storage material in the earthquake, when the calculation model and the transfer matrix are established, the complex damping theory is used to consider the storage damping and the structural damping separately. In order to meet the needs of the transfer matrix method, the rapid Fourier transform theory was used to properly process seismic waves. The comparison between the method and the experimental results shows that the method proposed in this paper is reliable and has practical significance for the seismic response analysis of the silo-supported silo.