Abstract
The most commonly used base isolator is the lead rubber bearing which is used in the experiments carried out in the present study. The performance of this isolator is then studied in an attempt to develop one with a better performance. In the model, thus, developed, hereafter called the ‘Ring Rubber Bearing’, the lead core is replaced with a rubber cylinder around which steel rings are placed. The results show the enhanced absorbed energy in each cycle, lower effective stiffness, and higher damping percentage of the new base isolation system compared with lead rubber bearing.
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