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Experimental investigation of substandard RC columns confined with SRG jackets under compression

Thermou, Georgia E.; Katakalos, Konstantinos; Manos, George


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Assistant Professor in Structural Engineering

Konstantinos Katakalos

George Manos


This paper aims to explore the behaviour of substandard reinforced concrete (RC) columns confined with Steel-Reinforced Grout (SRG) jackets under monotonically increasing uniaxial compression. A total of 24 specimens of short RC columns of square cross section were designed to fail due to longitudinal reinforcement buckling. Single-layered SRG jackets were applied to 18 of these specimens, whereas the rest served for control without SRG jackets. Parameters of this investigation were the type and density of the steel fabric as well as the corner radius of the cross section. The employed SRG jacketing managed to increase the strength and strain capacity and postpone the buckling of the longitudinal steel bars to occur at higher compressive strain level. Confinement effectiveness with respect to the lateral confining pressure exerted by the used SRG jacketing is discussed along with the observed mode of failure.


Thermou, G. E., Katakalos, K., & Manos, G. (2018). Experimental investigation of substandard RC columns confined with SRG jackets under compression. Composite Structures, 184, 56-65.

Journal Article Type Article
Acceptance Date Sep 26, 2017
Online Publication Date Sep 28, 2017
Publication Date Jan 15, 2018
Deposit Date Dec 3, 2018
Publicly Available Date Sep 29, 2019
Journal Composite Structures
Print ISSN 0263-8223
Electronic ISSN 1879-1085
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 184
Pages 56-65
Keywords Civil and Structural Engineering; Ceramics and Composites
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