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Composite columns are constructed using various combinations of structural steel and concrete in an attempt to utilize the beneficial properties of each material. The interactive and integral behavior of concrete and the structural steel elements makes the composite columna very stiff, more ductile, cost- effective, and consequently a structurally efficient member in building and bridge constructions.
Mainly three types of composite column sections are used in high-rise building construction.
In the early 1900s, concrete was used encase steel columns and beams, and as a filler material for floor systems. In 1907, the first experimental test was carried out by Emperger on built-up composite columns under concentric load. Experimental investigations on concrete encased steel composite columns have been conducted by different researchers since long before. The analytical method was developed in the early 1900 to investigate the behavior of FEC columns, On the other hand numerical simulations of reinforced concrete structures using the finite element method, witnessed a remarkable advancement since 1990. consuming than numerical research, yet the progress in numerical studies is comparatively less. Recently, a nonlinear finite element model investigating the behavior of concentric and eccentric axial load of FEC columns was developed by different researchers. The design of composite columrs has been addressed by a large number of design specifications.
Mainly three types of composite column sections are used in high-rise building construction.
In the early 1900s, concrete was used encase steel columns and beams, and as a filler material for floor systems. In 1907, the first experimental test was carried out by Emperger on built-up composite columns under concentric load. Experimental investigations on concrete encased steel composite columns have been conducted by different researchers since long before. The analytical method was developed in the early 1900 to investigate the behavior of FEC columns, On the other hand numerical simulations of reinforced concrete structures using the finite element method, witnessed a remarkable advancement since 1990. consuming than numerical research, yet the progress in numerical studies is comparatively less. Recently, a nonlinear finite element model investigating the behavior of concentric and eccentric axial load of FEC columns was developed by different researchers. The design of composite columrs has been addressed by a large number of design specifications.
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