Abstract
In this paper,the authors have developed a new type of horizontal seismic isolation system which has large effect of vibration isolation for ordinary earthquakes and suppresses the resonance of the isolation system due to long-period seismic ground motions.This seismic isolation system is composed of a pantograph mechanism and coil spring and two slide rails.Installing the pantograph mechanism to suppress the relative displacement at resonance.The trial seismic isolation table was made,and the effects of vibration suppression of the isolation table were discussed experimentally and numerically.Experimental results and Calculation results showed the pantograph mechanism has a relative displacement suppression effect.
