積層ゴムと弾性すべり支承を組合せた免震構造のエネルギーの釣合に基づく地震応答予測法

概要

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In seismic isolated buildings with laminated rubber bearings and elastic sliding bearings, the former plays the role of isolators and the latter the role of dampers As the bearings that support the weight of superstructures are the mixture of isolators and dampers, lateral stiffness of the isolators varies due to the variation of yield strength of the dampers First, a method to predict the response of this type of structures based on the energy balance theory is introduced in this paper Then, time-history response analyses are carried out to verify the method Next, the optimum characteristic values of the isolation system are calculated using the method It is intended to evaluate the influences of various characteristic values on the response and to show the essences of design methods for this type of seismic isolation system.
2002-12-30