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Experimental Investigation of Eccentric Composite Hollow Steel-Concrete Tensioned Column Cover

Experimental Investigation of Eccentric Composite Hollow Steel-Concrete Tensioned Column

Open Access
|Jan 2026

Abstract

The current research offers scientific originality due to the lack of studies related to composite columns in enhancing tensile resistance as a result of the presence of non-axial tensile forces in many civil engineering applications. The research gap lies in using a composite section of hollow steel and concrete to produce a column that resists eccentric tensile forces. Five short composite columns as well as two reference columns were casted to study the effect of the existing of hollow steel section and different types of the eccentricities on the tensile strength of the composite short column. The designs were prepared to accommodate all the variables mentioned for calculating net forces and internal resisting moments of the section. The main conclusion of the current study confirmed the possibility of using the composite column in places that are exposed to eccentric tensile forces with a high efficiency of up to 17%. Also, laboratory tests showed that the optimal eccentric loading distance is the distance that is 15% greater or less than the balanced eccentric distance in order to maintain the tensile strengths at the highest level.

DOI: https://doi.org/10.2478/cee-2026-0061 | Journal eISSN: 2199-6512 | Journal ISSN: 1336-5835
Language: English
Submitted on: Aug 31, 2025
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Accepted on: Nov 20, 2025
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Published on: Jan 18, 2026
Published by: University of Žilina
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year

© 2026 Wameedh Issa Braidi, Rasool Dakhil Mohsin, Nasser Hakeem Tu’ma, Haider Abdul-Kareem Raheem, published by University of Žilina
This work is licensed under the Creative Commons Attribution 4.0 License.

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