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In order to combine the advantages of steel reinforced concrete column, high-strength concrete and precast structures, a novel steel reinforced high-strength concrete composite column is presented in this paper. With the aim to explore the seismic performance of this composite column, three column specimens were designed and tested under cyclic loading. The cyclic behavior of test specimens was evaluated through the failure patterns, hysteresis loops, skeleton curves, energy dissipation, stiffness degradation and displacement ductility. The test results indicated that the shear failure could be found in the specimens subjected to low aspect ratio, and the rest specimens all failed in flexural-shear failure. The initial stiffness and bearing capacity decreased with the increasing of aspect ratio, and the energy dissipation capacity and displacement ductility increased with the increasing of aspect ratio.

Experimental study on seismic performance of steel reinforced high-strength concrete composite columns