Inelastic Behavior of Concrete-filled Thin-walled Steel Tubular Columns Subjected to Local Buckling
نویسنده
چکیده
This paper is concerned with the inelastic behavior of axially loaded concrete-filled thin-walled steel tubular columns subjected to local buckling. A nonlinear fiber element analysis program accounting for local buckling effects is developed for predicting the ultimate strength and ductility of concrete-filled thin-walled steel tubular columns. The effects of local buckling are taken into consideration by using the local buckling equations and effective width formulas for steel plates. The fiber element analysis technique is verified by experimental results and is employed to study the effects of steel ratios and concrete strengths on the ultimate strength and ductility of concrete-filled thin-walled steel tubular columns.
منابع مشابه
Post-local Buckling of Steel Plates in Concrete-filled Thin- Walled Steel Tubular Columns under Biaxial Loading
This paper studies the post-local buckling behaviour of steel plates in concrete-filled thin-walled steel tubular columns under biaxial loading using the finite element method. Geometric and material nonlinear finite element analyses are undertaken to investigate the post-local buckling strengths of imperfect steel plates under stress gradients. Based on the results obtained from the nonlinear ...
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