Size Effect on the Seismic Performance of High-Strength Reinforced Concrete Columns with Different Shear Span-to-Depth Ratios

Table 5

Values of load and displacement for WF specimens.

Test no.	Direction	Yield		Maximum		Failure		Ductility coefficient
		[kN]	[mm]	[kN]	[kN]	[mm]	[kN]
WF-3-2	Positive	477	3.30	539	8.37	458	19.19	5.82
	Negative	482	3.70	556	10.19	473	20.90	5.65
WF-5-2	Positive	966	3.60	1128	5.71	959	15.66	4.35
	Negative	981	2.70	1151	6.18	978	13.80	5.11
WF-7-2	Positive	1879	5.30	2138	12.89	1817	19.99	3.77
	Negative	2001	4.30	2272	6.57	1931	14.97	3.48
WF-3-4	Positive	207	5.21	244	8.90	207	21.0	4.03
	Negative	182	6.44	208	12.10	176	29.00	4.50
WF-5-4	Positive	487	10.40	556	13.80	473	35.40	3.41
	Negative	528	7.90	604	11.40	513	29.00	3.67
WF-7-4	Positive	921	10.89	1054	14.70	896	40.07	3.68
	Negative	882	9.30	1031	13.30	876	37.90	4.00