0109 Reduction Method of Seismic Response with Friction Bearing

Abstract

A new device for reduction of seismic response of mechanical system is developed. The device is friction bearing which consists of upper and lower plates with spherical holes and sandwiched spherical metals surrounded by rubber. Seismic response is reduced by friction between plates and metals. The device is shaken by the shaking table. Acceleration response of upper plate is measured. The maximum values of the response and the excitation, sum of squares and power spectrum are obtained. It is concluded that the repose is significantly reduced.