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A platform for research: civil engineering, architecture and urbanism
Vibration tests of 5-storey steel frame with viscoelastic dampers
AbstractThis paper presents a design process for viscoelastic dampers and experimental test results of a 5-storey single bay steel structure with added viscoelastic dampers. The mechanical properties of viscoelastic dampers and the dynamic characteristics of the model structure were obtained from experiments using harmonic excitation, and the results were used in the design process. The additional damping ratios required to reduce the maximum response of the structure to a desired level were obtained first. Then the size of dampers to realize the required damping ratio was determined using the modal strain energy method by observing the change in modal damping ratio due to the change in damper stiffness. The designed viscoelastic dampers were installed in the first and the second stories of the model structure. The results from experiments using harmonic and band limited random noise indicated that after the dampers were installed the dynamic response of the full-scale model structure reduced as desired in the design process.
Vibration tests of 5-storey steel frame with viscoelastic dampers
AbstractThis paper presents a design process for viscoelastic dampers and experimental test results of a 5-storey single bay steel structure with added viscoelastic dampers. The mechanical properties of viscoelastic dampers and the dynamic characteristics of the model structure were obtained from experiments using harmonic excitation, and the results were used in the design process. The additional damping ratios required to reduce the maximum response of the structure to a desired level were obtained first. Then the size of dampers to realize the required damping ratio was determined using the modal strain energy method by observing the change in modal damping ratio due to the change in damper stiffness. The designed viscoelastic dampers were installed in the first and the second stories of the model structure. The results from experiments using harmonic and band limited random noise indicated that after the dampers were installed the dynamic response of the full-scale model structure reduced as desired in the design process.
Vibration tests of 5-storey steel frame with viscoelastic dampers
Min, Kyung-Won (author) / Kim, Jinkoo (author) / Lee, Sang-Hyun (author)
Engineering Structures ; 26 ; 831-839
2004-02-10
9 pages
Article (Journal)
Electronic Resource
English
Vibration tests of 5-storey steel frame with viscoelastic dampers
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