Performance of Reinforced Reactive Powder Concrete Beam-Column Joints under Cyclic Loads

Table 5

Main feature points’ test results and displacement ductility factor.

Specimen numbers	Direction	First crack load (kN)	Displacement Δye at yield load (mm)	Yield load, Pye (kN)	Displacement Δmax at peak load (mm)	Peak load, Pmax (kN)	Displacement Δu at ultimate load (mm)	Ultimate load, Pu (kN)	Displacement ductility factor μ
J-0-0.3-L	Downward	25	34.73	44.69	40.46	50.5	64.75	42.93	1.86
	Upward	30	35.76	48.43	40.46	53.3	69.07	45.31	1.93
	Average	27.5	35.245	46.56	40.46	51.9	66.91	44.12	1.90
J-0-0.3-R	Downward	30	28.38	41.16	40.46	45.4	63.26	38.59	2.23
	Upward	25	33.93	60.64	60.69	66.7	79.51	56.7	2.34
	Average	27.5	31.155	50.9	50.575	56.05	71.385	47.645	2.29
J-0-0.5-L	Downward	25	38.98	49.02	60	54.7	66.49	46.5	1.71
	Upward	30	35.9	61.92	40	66	71.3	56.1	1.99
	Average	27.5	37.44	55.47	50	60.35	68.895	51.3	1.85
J-0-0.5-R	Downward	30	29.77	48.74	40	49.5	63.25	42.08	2.12
	Upward	25	33.69	62.96	60	70.2	72.84	59.67	2.16
	Average	27.5	31.73	55.85	50	59.85	68.045	50.875	2.14
J-1-0.3-L	Downward	30	36.96	44.48	41.1	48.7	61.65	45.9	1.67
	Upward	30	38.57	55.43	41.1	57.4	61.65	48.8	1.60
	Average	30	37.765	49.955	41.1	53.05	61.65	47.35	1.63
J-1-0.3-R	Downward	30	30.54	41.69	41.1	48.4	61.65	44.59	2.02
	Upward	30	34.27	59.16	41.1	63	61.65	53.55	1.80
	Average	30	32.405	50.425	41.1	55.7	61.65	49.07	1.91
J-1-0.5-L	Downward	30	26.3	34.84	41	49.9	61.5	49.16	2.34
	Upward	35	34.13	59.05	41	57.5	61.5	56.5	1.80
	Average	32.5	30.215	46.945	41	53.7	61.5	52.83	2.07
J-1-0.5-R	Downward	35	35.56	45.75	41	46	61.5	43.72	1.73
	Upward	30	38.52	58.95	41	63.1	61.5	49.2	1.60
	Average	32.5	37.04	52.35	41	54.55	61.5	46.46	1.66