Viscoelastic Dampers for Seismic Pounding Mitigationby Kazuhiko Kasai, Lehigh Univ, Bethlehem, United States,
Javeed A. Munshi, Lehigh Univ, Bethlehem, United States,
Bruce F. Maison, Lehigh Univ, Bethlehem, United States,
Abstract: A hysteretic model for viscoelastic (VE) damper is explained. The model accurately accounts for the effects of excitation frequency as well as temperature of the damper. Benefit of using VE-dampers to mitigate seismic pounding damage of closely spaced buildings is demonstrated through dynamic nonlinear time history analyses. No-pounding responses of the buildings with and without the dampers are also explained.
Subject Headings: Damping | Viscoelasticity | Seismic tests | Seismic loads | Model accuracy | Seismic effects | Nonlinear analysis
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