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Passive Control System for enhancing seismic performance of structure is most popular way. Isolators significantly reduced damage factors of structure. Preventing these damages, seismic isolation techniques is essential. In the present paper, seismic performance of base isolated structure is observed with Lead Rubber Bearing (LRB) and U-Shaped Metallic Isolator as well as investigate the obtained results. Non-linear dynamic analysis is performed on a 5-story lumped parameter model, with each story having a single degree of freedom (SDOF), using SAP2000 software. The analysis considers four different earthquake ground motions. The observed results indicate a significant reduction in response quantities, thereby mitigating structural damages in both isolation systems.

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Enhancement in Seismic Isolation Using U-Shape Metallic Isolator

  • 会议论文

  • 发表日期：

    2025年

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  • Kalyani Chavane,
  • A. A. Manchalwar,
  • M. V. Waghmare

摘要

Passive Control System for enhancing seismic performance of structure is most popular way. Isolators significantly reduced damage factors of structure. Preventing these damages, seismic isolation techniques is essential. In the present paper, seismic performance of base isolated structure is observed with Lead Rubber Bearing (LRB) and U-Shaped Metallic Isolator as well as investigate the obtained results. Non-linear dynamic analysis is performed on a 5-story lumped parameter model, with each story having a single degree of freedom (SDOF), using SAP2000 software. The analysis considers four different earthquake ground motions. The observed results indicate a significant reduction in response quantities, thereby mitigating structural damages in both isolation systems.