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Published: Građevinar 75 (2023) 1
Paper type: Scientific research paper
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Effects of column damage on the reliability of reinforced concrete portal frames

Nassim Kernou, Lydia Messaoudene, Lyacine Bennacer

Abstract

The reliability and behaviour of columns belonging to portal-reinforced concrete frames depend on many factors. This paper presents a parametric study of a reliability column in a non-linear domain, considering mechanical variability and targeting damaged areas of the reinforced concrete columns. In this study, an adaptive method for assessing the reliability of columns with respect to damage states is proposed. The method is an indirect coupling of the response surface and finite element model in the non-linear domain. The main goal of this study was to provide a structural engineer with a modelling approach for optimal and robust column design. The results of the present study show that the reliability of columns belonging to portal frames is closely related to the quality of the constituent materials (steel and concrete) and the type of load applied. The reliability of this type of column also decreases with increasing load and applied displacement and increases with increasing compressive strength and yield strength of the steel. The uncertainties associated with the structural models are considered, with their impact on structure reliability studied using a sensitivity analysis, which allows the proposed approach to make the best possible decision for a better design and, therefore, good behaviour under different parameters.

Keywords
uncertainties, reliability, probabilistic methods, damage, column, portal

HOW TO CITE THIS ARTICLE:

Kernou, N., Messaoudene, L., Bennacer, L.: Effects of column damage on the reliability of reinforced concrete portal frames, GRAĐEVINAR, 75 (2023) 1, pp. 53-63, doi: https://doi.org/10.14256/JCE.3588.2022

OR:

Kernou, N., Messaoudene, L., Bennacer, L. (2023). Effects of column damage on the reliability of reinforced concrete portal frames, GRAĐEVINAR, 75 (1), 53-63, doi: https://doi.org/10.14256/JCE.3588.2022

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This paper is licensed under a Creative Commons Attribution 4.0 International License.
Authors:
3588 A1 WEB
Nassim Kernou
University of Abderrahmane Mira Bejaia, Algeria
Faculty of Technology
Department of Civil Engineering
Laboratory of Construction Engineering and Architecture (LGCA)
3588 A2 WEB
Lydia Messaoudene
University of Abderrahmane Mira Bejaia, Algeria
Faculty of Technology
Department of Civil Engineering
Laboratory of Construction Engineering and Architecture (LGCA)
3588 A3 WEB
Lyacine Bennacer
University of Ahmed Draia - Adrar, Algeria
Laboratory of Energy, Environment and Information System (LEESI)