THE PSEUDO-DYNAMIC SIMULATION OF A SEISMIC ISOLATION BRIDGE ABOUT THE TEMPERATURE DEPENDENCE OF HIGH DAMPING RUBBER BEARINGS

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  • 高減衰ゴム支承の温度依存性に着目した免震橋梁の仮動的実験

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<p> In this study, in order to reflect the change of the hysteresis characteristic of the high damping rubber bearings to the seismic response, a pseudo-dynamic simulation system using experimental equipment capable of loading test at low temperature was developed. The pseudo-dynamic simulation system was developed by using open source UI-SIMCOR. To enhance the usability of the system, sub-program for static response analysis was also developed for the application of a versatile FEM software. As the results, it was possible to incorporate into the response analysis that the hysteresis loop of the bearing changed as the vibration progressed. And the nonlinear hysteresis characteristic of the pier bottom can be expressed.</p>

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