A New Design-Oriented Model of Glass Fiber-Reinforced Polymer-Reinforced Hollow Concrete Columns
OS AlAjarmeh, AC Manalo, B Benmokrane, W Karunasena, W Ferdous, P Mendis
ACI Structural Journal | American Concrete Institute | Published : 2020
Hollow concrete columns (HCCs) reinforced with glass fiber-reinforced polymer (GFRP) bars and spirals are considered an effective design solution for bridge piers, electric poles, and ground piles because they use less material and maximize the strength-toweight ratio. HCC behavior is affected by critical design parameters such as inner-to-outer diameter ratio, reinforcement and volumetric ratios, and concrete compressive strength. This paper proposes a new design-oriented model based on the plasticity theory of concrete and considering the critical design parameters to accurately describe the compressive load-strain behavior of GFRP-reinforced HCCs under monotonic and concentric loading. Th..View full abstract
The authors would like to thank Pultrall Canada and Inconmat V-ROD Australia for providing the GFRP bars and spirals. The assistance of the technical staff at the Centre of Future Materials in the University of Southern Queensland is gratefully acknowledged. The technical support from the Natural Science and Engineering Research Council of Canada (NSERC) Research Chair in Innovative FRP Reinforcement for Sustainable Concrete Infrastructures (University of Sherbrooke, Canada) is appreciated. The first author would like to thank Tafila Technical University (TTU) in Jordan for awarding him the PhD scholarship.