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Earthquakes and Structures Volume 20, Number 3, March 2021 , pages 261-278 DOI: https://doi.org/10.12989/eas.2021.20.3.261 |
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SSI effects on the redistribution of seismic forces in one-storey R/C buildings |
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Paraskevi K. Askouni and Dimitris L. Karabalis
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| Abstract | ||
| In the current work, a series of seismic analyses of one-storey asymmetrical reinforced concrete (R/C) framed buildings is accomplished while the effect of soil deformability on the structural response is investigated. A comparison is performed between the simplified elastic behavior of R/C elements according to the structural regulations'instructions to the possible non-linear behavior of R/C elements under actual circumstances. The target of the time history analyses is the elucidation of the Soil-Structure Interaction (SSI) effect in the seismic behavior of common R/C structures by examining the possible elastic or elastoplastic behavior of R/C sections because of the redistribution of the internal forces by employing a realistic damage index. The conclusions acquired from the presented elastic and elastoplastic analyses supply practical guidelines towards the safer design of structures. | ||
| Key Words | ||
| seismic analysis; soil-structure interaction; time history analysis; reinforced concrete structures; asymmetrical structures; elastoplastic analysis, damage index | ||
| Address | ||
| Paraskevi K. Askouni:Department of Civil Engineering, University of Patras, 26504, Patras, Greece Dimitris L. Karabalis:Department of Civil Engineering, University of Patras, 26504, Patras, Greece | ||