The Proceedings of the Dynamics & Design Conference
Online ISSN : 2424-2993
2008
Session ID : 421
Conference information
421 Reduction of Vibration of Structure Using Oil Damper : Comparison of Various Shape Dampers
Shigeru AokiKouichi IwanamiKento Sakakibara
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Abstract
Reduction of seismic response of house is an important problem for aseismic design. In this paper, spherical damper, cylindrical damper and rectangular parallelepiped damper with silicon oil is developed for reduction of seismic response of two-story house. For reduction of seismic response of two-story house, an oil damper is connected to the ceiling of the first floor and the foundation. Resonance curves are obtained for various coefficient of kinematic viscosity of silicon oil. Peak responses in resonance curves are focused on. Damping ratio and peak amplitude ratio for the first vibration mode are obtained for various forms of damper. It is found that the peak responses are reduced when dampers are used.
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© 2008 The Japan Society of Mechanical Engineers
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