ハードニング型復元力特性を示す免震用積層ゴムの非線形振動に関する研究 : 振幅,振動数,面圧の依存性と振動応答解析

概要

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We propose new analytical model for the hysteresis restoring force characteristics of rubber bearing for base isolation system and a new analytical method of hysteresis system using the restoring force model of power function type for vibration response. This model can express the restoring force characteristics of hardening and softening type depending on amplitude of horizontal displacement, frequency and surface pressure. First we calculated the nonlinear vibration properties (damping, stiffness) of rubber bearing using this model, then we analyzed the dynamic vibration response reflected in the vibration properties. We examined the appropriateness of this method as a result of analyzing the vibration response of practical rubber bearing for a bridge.
社団法人日本建築学会の論文
1996-12-30