首页|Seismic Behavior Research of SRC Frame Special-shaped Columns with Viscous Damper
Seismic Behavior Research of SRC Frame Special-shaped Columns with Viscous Damper
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Based on the non-linear finite element analysis software ETABS,a 3-spans of 1/2.5-scale of two-bay and three-story frame composed of steel reinforced concrete(SRC)special-shaped columns with energy dissipation devices,and time-history analysis were employed to research the seismic response of the models.The results show that the seismic performance of SRC frame special-shaped columns with fluid viscous dampers was superior to those structures without the devices;most of the energy of the structure imposed by earthquake was dissipated by the viscous dampers.By means of analysis result,the damping parameters of the viscous dampers are optimized;the results show that the vibration damping effect of viscous dampers was sensitive to the spectral characteristics of seismic wave.These results can serve for the structure design,retrofitted design and parameter analysis of the SRC frame with special-shaped columns with viscous dampers.
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