Abstract
To study the uniaxial eccentric compression properties of slender L-shaped column composed of concrete-filled steel tubes (CFST) connected by steel linking plates, a compression test on four L-shaped CFST columns with different eccentricities was designed in this study. The ultimate bearing capacity, ductility, and deformation capacity of the L-shaped CFST columns were obtained by analyzing the failure phenomenon, load–axial displacement curves, load-lateral deflection curves and load–strain curves. Experimental results were verified by ABAQUS finite element analysis software, and the N–M correlation curves of the L-shaped CFST columns were calculated by using a full-section plasticity method. The calculation formulas of eccentric compression ultimate bearing capacity of L-shaped CFST columns was proposed, which provided a reference for engineering design.
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