Cyclic Testing of Bolt-Weld Joints Reinforced by Sleeves Connecting Circular CFST Columns to Steel Beams

Table 4

Test results.

Specimen	Py (kN)	Δy (mm)	Pm (kN)	Δm (mm)	Pu (kN)	Δu (mm)	θy (rad)	θu (rad)	μθ	he
J-1 (+)	226.95	22.08	283.76	48.01	241.20	89.44	0.0110	0.0447	4.06	0.334
J-1 (−)	219.10	30.17	257.67	47.99	237.40	95.98	0.0151	0.0480	3.18
J-2 (+)	234.76	22.18	286.44	54.17	243.47	75.91	0.0111	0.0379	3.42	0.532
J-2 (−)	257.83	28.52	295.03	55.83	250.78	77.48	0.0143	0.0387	2.71
J-3 (+)	375.15	27.70	474.72	60.02	462.19	72.05	0.0138	0.0360	2.61	0.264
J-3 (−)	371.29	40.70	420.84	60.01	419.92	72.03	0.0203	0.0360	1.77
J-4 (+)	196.94	20.95	264.39	60.04	222.48	83.96	0.0105	0.0420	4.00	0.319
J-4 (−)	233.31	30.13	281.35	60.02	241.38	84.02	0.0151	0.0420	2.78
J-5 (+)	238.71	23.25	289.72	59.99	246.26	78.59	0.0116	0.0393	3.39	0.517
J-5 (−)	257.88	29.90	304.22	60.01	258.81	79.44	0.0149	0.0397	2.66
J-6 (+)	390.95	29.59	509.72	72.03	497.21	96.01	0.0148	0.0480	3.24	0.263
J-6 (−)	386.57	38.69	503.53	83.99	476.16	96.02	0.0193	0.0480	2.49