Seismic strengthening of RC columns using enhanced steel jacket. FE modeling

Authors

  • mohammadreza Noori Shirazi Assistant Professor of Civil Engineering, Academic Staff of Islamic Azad University, Chaloos Branch, Chaloos, Iran

DOI:

https://doi.org/10.52547/JCER.4.1.39

Keywords:

RC square column, seismic retrofitting, rectified steel jackets, finite element analysis, ductility, energy dissipation

Abstract

This paper presents a new rectified square steel jacket for retrofitting of poorly confined reinforced concrete columns
in flexural plastic hinge regions. All of the analyses was carried out based on finite elements procedure. Having verified
the FE modeling, a deficient RC column designed according to pre-1971 codes was considered and eleven specimen with
various detail of retrofitting were investigated. Effects of increasing at thickness of plate stiffeners, geometric shape of
stiffeners and stiffened length of jacketed column have been studied. The results obtained from the parametric study
indicated effectiveness of rectified jacket and allow a series of guidelines to be established.

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Published

2022-02-25

Issue

Vol. 4 No. 1 (2022): Journal of Civil Engineering Researchers

Section

Articles

License

Copyright (c) 2023 Journal of Civil Engineering Researchers

Creative Commons License

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

How to Cite

Seismic strengthening of RC columns using enhanced steel jacket. FE modeling. (2022). Journal of Civil Engineering Researchers, 4(1), 39-54. https://doi.org/10.52547/JCER.4.1.39