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Effect of frequency content parameter of ground motion on the response of C-shaped base-isolated building

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Abstract

The response of the building to an earthquake not only depends on the characteristics of the building but also on those of earthquake ground motion. The present study intends to analyse the effect of frequency content parameter on the various response of the irregular building with and without base isolation. The study considered a medium-rise C-shaped building and modelled it in SAP2000. A non-isolated building was modelled at first to generate the required date to develop a base isolated building by incorporating a high damping rubber bearing. Two ground motion with different characteristic were chosen and time history analysis was carried out for the building models. It was found that the base shear, storey displacement, and inter-storey drift was proportional to frequency content but only for non-isolated building, while the torsional irregularity ration was proportional to frequency content for base isolated building.

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All data generated or analysed during this study are included in this article.

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Acknowledgements

We sincerely acknowledge and thank all the researchers whose work helped in conducting the current experimental study.

Funding

Present study was supported by Department of Civil Engineering, GLA University, Mathura. However it did not require any kind of funding.

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Contributions

JG: conceptualization, methodology, investigation, data curation, writing—original draft. PKG: conceptualization, methodology supervision, visualization, resources, writing—review and editing.

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Correspondence to Praveen Kumar Gupta.

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Gudainiyan, J., Gupta, P.K. Effect of frequency content parameter of ground motion on the response of C-shaped base-isolated building. Asian J Civ Eng 24, 2973–2983 (2023). https://doi.org/10.1007/s42107-023-00688-0

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  • DOI: https://doi.org/10.1007/s42107-023-00688-0

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