445 摩擦軸受を用いた地震応答低減法 : 第2報, 球形の軸受を用いた場合

概要

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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 concaves and sandwiched spherical metals. 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 Fourier spectrum are obtained. It is concluded that the repose is significantly reduced. The device is applied to console rack. An analytical method is shown.
2006-08-06