Journal
ENGINEERING STRUCTURES
Volume 188, Issue -, Pages 717-728Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.engstruct.2019.03.067
Keywords
self-compacting concrete column; GFRP longitudinal rebars; Slenderness ratio; Eccentric loading; Confinement; Ductility
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Glass fibre-reinforced polymer (GFRP) rebars are preferable alternatives to steel bars for minimizing corrosion problems. In this study, experimental and analytical work are carried out to investigate the behaviour of GFRP reinforcement versus traditional steel reinforcement in self-compacting concrete columns under eccentric loads. The GFRP-reinforced columns have lower carrying capacities than the steel-reinforced columns, with a difference of similar to 24%. Furthermore, the two confining materials (of the tube and spirals) improve this reduction. The analytical results show good agreement with the experimental results for steel-reinforced columns, whereas the GFRP-reinforced columns report a noteworthy contrast.
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