Behavior of FRP-Confined Concrete-Filled Steel Tube Columns
AbstractThis paper presents the results of an experimental study into the behavior of concrete-filled steel tube columns confined by fiber-reinforced polymer (FRP). Eleven columns were tested to investigate the effects of the FRP layer number, the thickness of the steel tube and concrete strength on their load capacity and axial deformation capacity. The experimental results indicated that the FRP wrap can effectively confine the concrete expansion and delay the local buckling of the steel tube. Both the load capacity and the axial deformation capacity of concrete-filled steel tube columns can be substantially enhanced with FRP confinement. A model is proposed to predict the load capacity of the FRP-confined concrete-filled steel tube columns. The predicted results are generally in good agreement with the experimental ones obtained in this study and in the literature.
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Lu, Y.; Li, N.; Li, S. Behavior of FRP-Confined Concrete-Filled Steel Tube Columns. Polymers 2014, 6, 1333-1349.
Lu Y, Li N, Li S. Behavior of FRP-Confined Concrete-Filled Steel Tube Columns. Polymers. 2014; 6(5):1333-1349.Chicago/Turabian Style
Lu, Yiyan; Li, Na; Li, Shan. 2014. "Behavior of FRP-Confined Concrete-Filled Steel Tube Columns." Polymers 6, no. 5: 1333-1349.