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Title |
Seismic Isolation Effects According to Set up the Isolation Period in the Medium and Low-rise Framed Building
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Keywords |
면진 ; 진동주기비 ; 면진효과 ; 설계지침 Seismic isolation ; Period ratio ; Isolation effect ; Guidelines |
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Abstract |
Seismic isolation offers an attractive approach for reducing seismic loads in the building and its components. This paper deals with the seismic isolation effects due to variation in period ratio between superstructure and isolation layer of the building. Seismic isolation effects of the moment-resisting frames with the various period ratio were studied by nonlinear time history analysis, and the guidelines on the stiffness ratio of the superstructure and isolation layer of the building for the effective seismic isolation follow from the results of this study. It is recommended that the isolation period should be greater than 2.5 times of that of the superstructure for the effective seismic isolation.
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