Physical Tests and Analyses of Composite Steel-Concrete Beam-Columns

Analytical model for predicting axial capacity and behavior of concrete encased steel composite stub columns

“…Numerous experimental investigations have been carried out to study the ultimate strength of concrete encased steel composite columns [3][4][5][6][7][8]. Research has also been carried out on cyclic behavior of composite beam-columns [9,10].…”

Jacketing of preloaded steel columns

“…The fiber element methodology similar to the one used by Mirza et al [4][5][6] and El-Tawil et al [7][8] is adopted here with some modifications to predict the ultimate strength of the jacketed column. Eccentrically loaded pin-ended jacketed columns, taking into account the initial stresses and deformation induced during preloading are considered in the present analysis.…”

Finite Element Modelling of Concrete-Encased Steel Columns Subjected to Eccentric Loadings

“…Concrete-encased steel (CES) columns have been widely used in high-rise buildings due to combined advantages of structural steel and reinforced concrete columns such as high stiffness, high earthquake resistance, and high fire resistance. Numerous past studies have been conducted to investigate the compression behavior of CES columns including the maximum capacities under concentric and eccentric loadings, axial deformation of concentrically loaded columns, and lateral deflection of eccentrically loaded columns (e.g., SSRC Task Group 20 1979 [1], Mirza and Skrabek 1991 [2], Mirza and Skrabek 1992 [3], Ricles and Paboojian 1994 [4], Mirza et al 1996 [5], Kato 1996 [6], Wang 1999 [7], Weng and Yen 2002 [8]). Effects of the material properties (concrete and steel) and column slenderness ratio on the compression behavior of the composite columns have also been studied.…”