Seismic Performance of Precast Concrete Column-to-Column Joint Using the Steel Plate Hoop and Bolts Connection

Table 3

Ductility and energy dissipation capacity of the specimens.

Column ID		Yield strength and lateral displacement		Peak strength and lateral displacement		Ultimate strength and lateral displacement		Ductility ratio		Story drift
		/kN	/mm	Pk/kN	Δk/mm	Pu/kN	Δu/mm
W01	Front	249.6	15.44	296.8	23.57	252.3	47.38	3.1	3.0	1/38	1/38
	Back	−281.5	−16.33	−326.6	−23.24	−277.6	−47.39	2.9		1/38
W02	Front	254.0	17.83	302.2	29.60	256.8	55.26	3.1	3.7	1/33	1/30
	Back	−260.9	−16.32	−307.2	−28.91	−261.1	−70.15	4.3		1/26
W03	Front	268.1	18.12	325.2	33.37	276.5	56.36	3.1	3.8	1/32	1/32
	Back	−248.8	−13.68	−289.6	−21.91	−246.2	−59.36	4.4		1/32
Y-01	Front	262.51	18.97	305.9	40.02	260.02	51.25	2.7	2.7	1/35	1/36
	Back	−259.6	−18.63	−303.2	−27.02	−257.7	−48.48	2.6		1/37
Y-02	Front	221.35	30.12	240.2	33.01	204.22	74.66	2.4	3.3	1/24	1/20
	Back	−211.7	−27.51	−238.7	−34.49	−202.3	−118.2	4.2		1/15
C-01	Front	200.85	22.01	224.4	35.85	190.41	85.62	3.9	4.9	1/21	1/18
	Back	−180.5	−19.44	−213.3	−36.58	−181.1	−117.2	6.0		1/15