On estimation of seismic damage from ductility and hysteretic energy demands in equivalent oscillators using linear response

•Structural damage quantified from linear response peaks of modal oscillators.•Two-parameter model developed for hysteretic energy in SDOF oscillators.•Hysteretic properties of modal oscillators estimated in 2-DOF and 3-DOF frames.•Combination rule proposed to combine damage indices for modal oscill...

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Veröffentlicht in:	Engineering structures 2018-10, Vol.172, p.663-686
Hauptverfasser:	Sen, Novonil, Gupta, Vinay K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Columns (structural) Combination rule Curvature Damage index Damping Damping ratio Degrees of freedom Demand Ductility Ductility demand Earthquake damage Energy demand Equivalence Frames Hysteresis Hysteretic energy demand Linear analysis Linear response peaks Mathematical models Nonlinear systems Oscillators Parameter estimation Performance-based design Plastic properties Plasticity Property damage Seismic activity Seismic engineering Stiffness Strain hardening Structural damage Vibration Vibration mode
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