Study on the Seismic Performance of Strengthened Reinforced Concrete Columns Based on the Experiment

Table 3

Main test results of columns.

Column	Axial load ratio	Ultimate bearing capacity (kN)	Displacement ductility	Total energy dissipation (J)/numbers of hysteresis loops
O	0.33	34.3	3.9	6840.1/25
SM-1	0.33	39.1	4.9	7838.4/31
SM-2	0.48	70.8	4.3	10962.3/30
SWM1-1	0.33	40.8	5.2	12647.0/33
SWM1-2	0.48	76.4	4.7	14973.6/35
SWM2-1	0.33	42.8	5.7	13765.7/33
SWM2-2	0.48	81.9	5.5	18579.4/39
SWM0.5-1	0.33	43.6	6.1	15200.4/37
SWM0.5-2	0.48	59.7	5.4	16352.7/35