查看更多>>摘要:In this study we investigated the effect of changing theproperties of viscous oil dampers added to base isolated structures.Generally, the installation of viscous oil dampers to the isolatedstructure results in significant change in displacement, shear forceand acceleration at the isolation level, magnifying the propertiesof oil damper result in increase in shear force as it will increasedamping ratio and decrease in displacement at the isolation level,and vice versa in case of reducing the properties, in case of 5floors the difference in performance is tending to be the mostobvious and it is approximately 8%, while for the 10 floors thedifference in performance is approximately 6%, and in the caseof 15 floors the difference in performance is approximately 4%.