The energy response equations of the seismically isolated bridge system are established based On the energy equilibrium theory. Bilinear analysis model of the energy response of the seismically isolated bridge is constructed by series connecting the bridge piers and the Lead rubber bearings. According to the applicable Code of Seismic Design for Railway Engineering, forty strong ground motion records are appropriately selected as the seismic input and the nonlinear time history analyses for the seismic energy responses of the bilinear SDOF seismically isolated bridge systems with different natural periods are carried out. The influences of peak ground accelerations, principal dynamic parameters of isolated bridge system on input energy and their distributions are studied.
The Parameter Study of the Seismically Isolated Bridge System by Lead Rubber Bearing Based on Energy Analysis
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Zhong, T, Zhang, C, & Yang, F. "The Parameter Study of the Seismically Isolated Bridge System by Lead Rubber Bearing Based on Energy Analysis." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 8: Seismic Engineering. Baltimore, Maryland, USA. July 17–21, 2011. pp. 217-223. ASME. https://doi.org/10.1115/PVP2011-57726
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