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Recent technological advancements have enabled the measurement of rotational ground motion, yet these methods are not widely integrated into existing seismic networks. Underestimating the combined action of all 6 components of strong ground motion (3 translations and 3 rotations) on the structural seismic response of the building may cause structural vulnerabilities. This study focuses on the seismic performance of tall steel buildings equipped with RC shear walls subjected to unique combinations considering all 6 components of the strong ground motion, employed by linear time history analysis. This study highlights the profound contribution of the rotation components of strong ground motion to the engineering structure’s seismic response. The 6-component earthquake shows the maximum structural response for the structure.

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Impact of Rotational Components of Earthquake on the Seismic Response of Steel Buildings with RC Shear Walls

  • 会议论文

  • 发表日期：

    2025年

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  • S. Jeena,
  • A. S. Nisha

摘要

Recent technological advancements have enabled the measurement of rotational ground motion, yet these methods are not widely integrated into existing seismic networks. Underestimating the combined action of all 6 components of strong ground motion (3 translations and 3 rotations) on the structural seismic response of the building may cause structural vulnerabilities. This study focuses on the seismic performance of tall steel buildings equipped with RC shear walls subjected to unique combinations considering all 6 components of the strong ground motion, employed by linear time history analysis. This study highlights the profound contribution of the rotation components of strong ground motion to the engineering structure’s seismic response. The 6-component earthquake shows the maximum structural response for the structure.