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

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

Authors

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Dr GEORGIA THERMOU Georgia.Thermou@nottingham.ac.uk
Assistant Professor in Structural Engineering

Konstantinos Katakalos

George Manos



Abstract

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.

Journal Article Type Article
Publication Date Jan 15, 2018
Journal Composite Structures
Print ISSN 0263-8223
Electronic ISSN 1879-1085
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 184
Pages 56-65
APA6 Citation 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. https://doi.org/10.1016/j.compstruct.2017.09.082
DOI https://doi.org/10.1016/j.compstruct.2017.09.082
Keywords Civil and Structural Engineering; Ceramics and Composites
Publisher URL https://www.sciencedirect.com/science/article/pii/S026382231731574X?via%3Dihub

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