Viscoelastic Dampers for Seismic Pounding Mitigation

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by Kazuhiko Kasai, Lehigh Univ, Bethlehem, United States,
Javeed A. Munshi, Lehigh Univ, Bethlehem, United States,
Bruce F. Maison, Lehigh Univ, Bethlehem, United States,

Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation:

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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