STATE DEPENDENT SEISMIC RESPONSE OF REINFORCED CONCRETE FRAME BUILDINGS UNDER SEQUENTIAL EARTHQUAKES

Date

2025-3-3

Author

Gökmen, Furkan

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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This study focuses on the seismic damage evolution for reinforced concrete (RC) frame buildings which are subjected to sequential earthquakes. In this study, the most significant sequential earthquakes from different parts of the world are collected from the available strong motion databases. This dataset also includes ground motion records from the recent Kahramanmaraş, Türkiye earthquake sequence that took place in February 2023. The structural modeling is carried out at two different levels of idealization. The first level belongs to a single degree of freedom idealization of RC frame buildings whereas planar frame models have been utilized for the second level. In both cases, the response statistics are obtained through dynamic analyses by employing the developed sequential ground motion dataset, and the evolution of seismic damage is monitored when building models are subjected to multiple earthquakes. The results of this study reveal that sequential earthquakes may create excessive demands on the seismic behavior of RC frame buildings and this issue should be explicitly considered in the seismic design and analysis of structures in the near future.

Subject Keywords

Sequential Earthquake, Damage Evolution, Intensity Measure, Single Degree of Freedom, Planar Building Model

URI

https://hdl.handle.net/11511/114092

Collections

Graduate School of Natural and Applied Sciences, Thesis