Advances in Materials Science and Engineering

Research Article

Axial Compression Performance of Concrete-Filled Steel Tubular Columns with Different D/t Ratios

Validation of test results with various International codes and model proposed in [6, 23].


Column designation	Exp. (kN), N_{u, Exp}	Predicted strength using various international codes and model proposed by Liang and Fragomeni [16]
Column designation	Exp. (kN), N_{u, Exp}	N_{u, EC4} (kN)	N_{u, Exp}/N_{u, EC4}	N_{u, AISC} (kN)	N_{u, Exp}/N_{u, AISC}	N_{u, GB50936} (kN)	N_{u, Exp}/N_{u, GB50936}	N_{u, Farhad} (kN)	N_{u, Exp}/N_{u, Farhad}	N_{u, Liang} (kN)	N_{u, Exp}/N_{u, Liang}

CFST-31.83-50	1351	1288.60	1.048	1073.11	1.259	815.46	1.597	946.96	1.282	1284.76	1.052
CFST-25.46-50	1249	1155.67	1.081	975.61	1.280	756.70	1.540	845.22	1.271	1174.24	1.064
CFST-25.46-50	1249	1155.67	1.079	975.61	1.280	756.70	1.540	845.22	1.271	1174.24	1.064
CFST-21.22-60	1142	1081.67	1.056	967.87	1.180	778.19	1.423	806.78	1.236	1165.03	0.980
CFST-25.46-50	1249	1155.67	1.081	975.61	1.280	756.70	1.540	845.22	1.271	1174.24	1.064
CFST-25.46-50	1249	1153.81	1.083	975.61	1.280	756.70	1.540	845.22	1.271	1174.24	1.064
CFST-31.83-40	1270	1228.74	1.034	992.91	1.279	737.44	1.675	891.58	1.304	1170.87	1.085
CFST-21.22-50	1057	1016.50	1.040	881.86	1.199	695.97	1.487	747.39	1.259	1056.78	1.000
CFST-25.46-50	1249	1155.67	1.083	975.61	1.280	756.70	1.540	845.22	1.271	1174.24	1.064
CFST-25.46-35	1100	1060.71	1.037	850.87	1.293	637.43	1.663	759.08	1.310	998.61	1.102
CFST-21.22-40	1037	953.36	1.088	795.85	1.303	614.49	1.566	687.99	1.287	941.73	1.101
CFST-31.83-60	1450	1350.97	1.073	1153.31	1.257	895.38	1.530	1002.34	1.262	1388.80	1.044
CFST-25.46-60	1402	1222.58	1.147	1092.04	1.284	870.69	1.451	925.61	1.242	1321.20	1.061
Mean			1.071		1.266		1.545		1.272		1.057
Standard deviation (SD)			0.025		0.036		0.072		0.021		0.032
Coefficient of variance (COV)			0.024		0.029		0.046		0.017		0.032