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Seismic response of steel frame structures with added viscoelastic dampers
Author(s) -
Zhang RiHui,
Soong T. T.,
Mahmoodi P.
Publication year - 1989
Publication title -
earthquake engineering and structural dynamics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.218
H-Index - 127
eISSN - 1096-9845
pISSN - 0098-8847
DOI - 10.1002/eqe.4290180307
Subject(s) - damper , structural engineering , viscoelasticity , modal , displacement (psychology) , frame (networking) , reduction (mathematics) , engineering , earthquake resistance , damping ratio , materials science , acoustics , vibration , mechanical engineering , physics , mathematics , composite material , psychology , geometry , psychotherapist
The feasibility of using viscoelastic (VE) dampers to mitigate earthquake‐induced structural response is studied in this paper. The properties of VE dampers are briefly described. A procedure for evaluating the VE damping effect when added to a structure is proposed in which the damping effect of VE dampers is incorporated into modal damping ratios through an energy approach. Computer simulation of the damped response of a multi‐storey steel frame structure shows significant reduction in floor displacement levels.
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