Performance of Retrofitted Self-Compacting Concrete-Filled Steel Tube Beams Using External Steel Plates

Table 9

Comparisons of experimental moment capacities against the theoretical model and design code values.

Group name	Designation of beams	(kN·m)	(kN·m)		(kN·m)
Group A (single bottom plate)	CB-A	17.04	14.39	0.844	14.39	0.844
	IB-PL-SB	16.99	17.41	1.025	14.39	0.847
	IB-FL-SB	18.69	19.13	1.024	14.39	0.770
	RB-PL-SB	17.20	16.43	0.955	14.39	0.837
	RB-FL-SB	21.61	20.54	0.950	14.39	0.666
	Mean			0.960		0.793
	SD			0.074		0.078
Group B (top and bottom plates)	CB-B	17.04	14.45	0.848	14.45	0.848
	IB-PL-TB	17.57	18.46	1.051	14.45	0.822
	IB-FL-TB	20.84	21.89	1.050	14.45	0.693
	RB-PL-TB	17.92	17.15	0.957	14.45	0.806
	RB-FL-TB	24.80	23.82	0.960	14.45	0.583
	Mean			0.973		0.751
	SD			0.084		0.111
Group C (double bottom plates)	CB-C	17.04	14.29	0.839	14.29	0.839
	IB-PL-DB	17.47	16.86	0.965	14.29	0.818
	IB-FL-DB	19.60	18.94	0.966	14.29	0.729
	RB-PL-DB	17.21	18.39	1.069	14.29	0.830
	RB-FL-DB	23.13	24.85	1.074	14.29	0.618
	Mean			0.983		0.767
	SD			0.096		0.094
Total	Mean			0.972		0.770
	SD			0.079		0.090