Analysis of large deformation behavior of series isolation system and experimental verification

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Journal of Vibration and Shock ›› 2011, Vol. 30 ›› Issue (11) : 236-239.

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Analysis of large deformation behavior of series isolation system and experimental verification

Du Yong-feng1，2 ; Zhu Qian-kun 1 ; Li Hui2

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Abstract

The large deformation behavior of series isolation system that the rubber bearing connected with the basement column has been studied. The geometric nonlinear equations were obtained by the Timoshenko beams modal, based on the axial elongation and first-order shear deformation theory. Then the large deformation behaviors of series isolation system were analyzed by using differential quadrature element method. The results show that the large deformation of Series Isolation System mainly occurred in the rubber bearings, and the internal force distribution on the column, the theoretical results are consistent with the test.

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series isolation / large deformation / differential quadrature element method

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Du Yong-feng;;Zhu Qian-kun ;Li Hui. Analysis of large deformation behavior of series isolation system and experimental verification[J]. Journal of Vibration and Shock, 2011, 30(11): 236-239