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Numerical Analysis of Seismic Elastomeric Isolation Bearing in the Base-Isolated Buildings

机译:隔震建筑物中弹性弹性隔震支座的数值分析

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Base isolation concept is currently accepted as a new strategy for earthquake resistance structures. According to different types of base isolation devices, laminated rubber bearing which is made by thin layers of steel shims bonded by rubber is one of the most popular devices to reduce the effects of earthquake in the buildings. Laminated rubber bearings should be protected against failure or instability because failure of isolation devices may cause serious damage on the structures. Hence, the prediction of the behaviour of the laminated rubber bearing with different properties is essential in the design of a seismic bearing. In this paper, a finite element modeling of the laminated rubber bearing is presented. The procedures of modeling the rubber bearing with finite element are described. By the comparison of the numerical and the experimental, the validities of modelling and results have been determined. The results of this study perform that there is a good agreement between finite element analysis and experimental results.
机译:基础隔离概念目前被接受为抗震结构的新策略。根据不同类型的基础隔离装置,由橡胶粘结的薄钢板垫片制成的叠层橡胶轴承是减少建筑物地震影响的最受欢迎的装置之一。层压橡胶轴承应受到保护,以免发生故障或不稳定,因为隔离装置的故障可能会严重损坏结构。因此,在设计抗震轴承时,对具有不同性能的叠层橡胶轴承性能的预测至关重要。本文提出了叠层橡胶轴承的有限元建模。描述了用有限元对橡胶轴承建模的程序。通过数值和实验的比较,确定了模型和结果的有效性。这项研究的结果表明,有限元分析与实验结果之间有很好的一致性。

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