Abstract:The traditional seismic damage model of high-rise buildings cannot reflect the change of ultimate hysteretic dissipated energy with cumulative amplitude; thus, the parameters cannot be effectively determined. Therefore, in this study, a seismic damage model for high-rise buildings under far-field long-period earthquakes was designed. According to the generalized force-generalized deformation curve, a deformation damage model was constructed for high-rise building structures of different levels. By considering both the cumulative energy ratio and the instantaneous input energy ratio of far-field long-period ground motions, an energy damage model was constructed. Based on a comprehensive evaluation of damage from the aspects of deformation and energy, the linear combination seismic damage model of maximum response deformation and dissipated energy was established and modified. Three long-period seismic waves, namely ILA003, ILA048, and TCU115, were selected to calculate the overall damage results of different components and tall buildings and to verify the reliability of the proposed model. The proposed model was applied in practical tall buildings and found to be practical.