904 免震用ゴム材のせん断負荷による低サイクル疲労

概要

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The characteristic of rubber material for the component of laminating rubber of seismic isolation is studied using component. The specimen is laminated cylinder shape and the rubber disk was bonded to the metal disk at both circular planes by vulcanization. Usually it is applies some shear loads during earthquake. Moreover, when the rubber is applied tensile load, void nucleation may have occurred inside rubber and might affect shear properties. Low cycle fatigue examination to rubber disk with voids is performed. From the experiments, the rate of reduction of the maximum load of each cycle of rubber without void is larger than that of with void.
社団法人日本機械学会の論文
2003-08-05