Abstract
The main aim of this paper is to investigate the behavior of short concrete column reinforced longitudinally with Basalt Fiber-Reinforced Polymers (BFRP) rebar. A nonlinear 3D finite element (FE) model is developed using the commercial software ABAQUS to conduct the analysis. Geometric and material nonlinearities were utilized to simulate the inelastic large deformation of concrete material. The FE model was first validated by comparing its capability to predict the compressive strength with the analytical solution for concrete short columns reinforced with conventional steel bars. Concentric and eccentric loading cases were considered for this verification analysis. The validated FE model was then used to develop an interaction diagram for BFRP-RC short columns. Values of axial capacities and moments at different points were used to plot interaction diagrams.
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