Structural Response of AISC- composite concrete filled circular steel Columns under Lateral Load
In this article, there is a theoretical behavior research of composite frames consist of American Institute of Steel Construction (AISC)-composite pipes-filled with concrete to act as circular steel columns joined with steel beams subjected to unchanged axial loads and a lateral increasing load. The effects of column height and skin thickness, based on those available in the AISC manual, on the load-deformation reaction of composite frames, including steel tubes filled with concrete STFC, loaded by maximum vertical load allowed by AISC manual, were studied. A ANSYS program was used to develop a finite element (FE) model. This simulation considers linear and non-linear response of the composite materials. The obtained outcomes from the FE analysis were presented and discussed. Over the range of column heights (from 3048 mm to 6096 mm), no buckling has been reached and failure modes were observed after formation of plastic hinges at the connection of beam-column. For skin thicknesses (from 14.76 mm to 5.92 mm), varied load-deformation responses have been obtained. Stiffer Responses were obtained for skin thickness 14.76 mm. Lateral load range at failure was from 9.2 to 20.8 % of the maximum AISC vertical load, and displacement ductility was ranged from 1.71 to 3.08 for circular-STFC frames.
AHMED G.H. (2015). Mechanical Properties for Splices of Welded Reinforcing Steel Bars, ZANCO Journal of Pure and Applied Sciences, 27(6), 99-112.
ANSYS, (2016). ANSYS User’s Manual Revision 5.5. ANSYS, Inc., Canonsburg, Pennsylvania.
BANGASH, M. Y. H. (1989). Concrete and Concrete Structures: Numerical Modeling and Applications. London: Elsevier Science Publishers Ltd.
DESAYI, P. AND KRISHNAN, S., (1964). Equation for the Stress-Strain Curve of Concrete. Journal of the American Concrete Institute, 61(3), 345-350.
FA-XING DING, GUO-AN YIN, LI-ZHONG JIANG, YU BAI (2018). Composite frame of circular STFC column to steel-concrete composite beam under lateral cyclic loading. Thin-walled Structures, (122), 137-146.
HU H.T., HUANG C.S., WU M.H., WU Y.M. (2003). Nonlinear analysis of axially loaded concrete-filled tube columns with confinement effect. Journal of Structural Engineering, ASCE 2003;129(10), 1322–9.
HAN L.H., YAO G.H., TAO Z. (2007). Performance of concrete-filled thin-walled steel tubes under pure torsion. Thin-Walled Structures, 45(1), 24–36.
LIN-HAI HAN, WEN-DA WANG, XIAO-LING ZHAO (2008). Behavior of steel beam to concrete-filled SHS column frames: Finite element model and verifications, Engineering Structures, 30(6), 1647–1658.
LIN-HAI HAN, WEN-DA WANG, ZHONG TAO (2011). Performance of circular STFC column to steel beam frames under lateral cyclic loading. Journal of Constructional Steel Research, 67(5), 876–890
SCHNEIDER S.P. (1998). Axially concrete-filled steel tubes. Journal of Structural Engineering, ASCE 1998;124(10), 1125.
SHAMS M, SAADEGHVAZIRI MA (1997). State of the art of concrete-filled steel tubular columns. ACI Structural Journal, 94(5), 558–571.
YASEEN, S.A. (2020). Flexural Behavior of Self Compacting Concrete T-Beams Reinforced With ARFP. ZANCO Journal of Pure and Applied Sciences, 32(3).
ZHAO X.L., GRZEBIETA R.H. (1999). Void-Filled SHS beams subjected to large deformation cyclic bending. Journal of Structural Engineering, ASCE, 125(9), 1020.
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