大変形・高軸力下における高減衰積層ゴムの力学挙動予測に関する研究

日本建築学会

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タイトル別名
  • PREDICTION OF HIGH-DAMPING RUBBER ISOLATION BEARING BEHAVIOR UNDER LARGE SHEAR DEFORMATIONS AND SEVERE AXIAL LOADS

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The paper describes an analytical method for predicting the behavior of high-damping rubber isolation bearings under large shear deformations and severe axial loads. Dynamic loading tests are performed to investigate the effect of aspect ratio and axial load on bearing behavior. The test results show that the behavior of low shape factor bearing is strongly influenced by axial load, especially for large shear deformation. New hysteresis models for shear and axial components are developed from the test results. The influence of aspect ratio and axial load on bearing behavior is also represented by the developed analytical method.

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