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Design-oriented models for concrete columns confined by steel-reinforced grout jackets

Thermou, Georgia E.; Hajirasouliha, Iman

Authors

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

Iman Hajirasouliha



Abstract

© 2018 Elsevier Ltd This paper investigates the axial stress–strain response of concrete confined with Steel-Reinforced Grout (SRG) jackets comprising of Ultra High Tensile Strength Steel (UHTSS) textiles embedded in an inorganic binder. Brittle, semi-ductile and ductile stress–strain response curves are identified according to the level of confinement stiffness provided by the SRG jackets. A comprehensive experimental database of 80 SRG-confined columns is developed and used to assess the influence of key design parameters. The results are then used to propose new design-oriented models to predict the strength and ultimate strain of SRG confined concrete columns by taking into account the confinement stiffness of the jackets.

Journal Article Type Article
Publication Date Jul 30, 2018
Journal Construction and Building Materials
Print ISSN 0950-0618
Electronic ISSN 1879-0526
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 178
Pages 313-326
APA6 Citation Thermou, G. E., & Hajirasouliha, I. (2018). Design-oriented models for concrete columns confined by steel-reinforced grout jackets. Construction and Building Materials, 178, 313-326. https://doi.org/10.1016/j.conbuildmat.2018.05.088
DOI https://doi.org/10.1016/j.conbuildmat.2018.05.088
Keywords Confinement model; Concrete; Steel Fabric; Inorganic matrix; Mortar; SRG Jackets; Seismic strengthening
Publisher URL https://www.sciencedirect.com/science/article/pii/S0950061818311553?via%3Dihub
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