Experimental Investigation on Seismic Behaviours of Reinforced Concrete Columns under Simulated Acid Rain Environment

Table 6

Main seismic performance parameters of the specimens.

Specimen	Yielding point		Peak point		Ultimate point		Ductility coefficient μ	Plastic deflection (rad)
	Py (kN)	(mm)	Pp (kN)	(mm)	Pu (kN)	(mm)
SC-1	122.33	5.34	145.53	9.59	123.70	20.60	3.86	0.31
SC-2	116.11	5.03	138.37	9.12	117.61	15.92	3.17	0.22
SC-3	113.53	4.76	131.89	8.73	112.11	14.02	2.95	0.19
SC-4	95.70	4.72	112.22	8.21	95.39	13.52	2.86	0.18
SC-5	89.04	4.70	105.63	7.70	89.79	13.09	2.78	0.17
SC-6	85.26	4.61	100.84	7.43	85.71	10.20	2.21	0.11