Abstract
Based on prophase research work, seismic checking for pier based on energy method is improved. The seismic input energy demand of pier is determined by using the seismic input energy response spectra and hysteretic energy dissipation spectra of sing-degree-of-freedom. Meanwhile, the Pushover Method is used to determine the hysteretic deformation capacity of pier. Then, based on the equilibrium principal between hysteretic deformation capacity and seismic input energy demand of pier, seismic checking for pier is carried on. Then, this improved seismic checking for pier based on energy method is applied in the design examples of piers. Comparing with the calculation of nonlinear time history analyses, it is known that improved seismic checking for pier based on energy method can evaluate the seismic performance of pier effectively. So, these valuable results can provide the meaningful reference for the seismic design of bridge engineering.
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