Influence of damping systems on building structures subject to seismic effects

Marko, Julius, Thambiratnam, David, & Perera, Nimal (2004) Influence of damping systems on building structures subject to seismic effects. Engineering Structures, 26(13), pp. 1939-1956.

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This paper investigates the response of multi-storey structures under simulated earthquake loads with friction dampers, viscoelastic dampers and combined friction-viscoelastic damping devices strategically located within shear walls. Consequently, evaluations are made as to how the damping systems affect the seismic response of these structures with respect to deflections and accelerations. In particular, this paper concentrates on the effects of damper types, configurations and their locations within the cut-outs of shear walls. The initial stiffness of the cut out section of the shear wall is removed and replaced by the stiffness and damping of the device. Influence of parameters of damper properties such as stiffness, damping coefficient, location, configuration and size are studied and evaluated using results obtained under several different earthquake scenarios. Structural models with cut outs at different heights are treated in order to establish the effectiveness of the dampers and their optimal placement. This conceptual study has demonstrated the feasibility of mitigating the seismic response of building structures by using embedded dampers.

Impact and interest:

25 citations in Scopus
13 citations in Web of Science®
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ID Code: 58382
Item Type: Journal Article
Refereed: Yes
Keywords: Earthquake, Friction Damper, Viscoelastic, Damper, Finite Element Analysis, Acceleration, Displacement
DOI: 10.1016/j.engstruct.2004.07.008
ISSN: 0141-0296
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 18 Mar 2013 23:50
Last Modified: 24 Jun 2017 14:36

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