Research on Mechanical Properties and Parameter Identification of Beam-Column Joint with Gusset Plate Angle Using Experiment and Stochastic Sensitivity Analysis

Table 9

Joint properties of angle steel with different thicknesses and widths of the connection angle.

Number	Me	K	Mu	Ki/K2	Mui/Mu2
SH1C-1	20	6101	70	0.90	0.72
SH1C-2	26	6796	97	1	1
SH1C-3	23	6379	88	0.94	0.91
SH1C-4	26.5	6936	103	1.02	1.06
SH1C-5	28	7240	110	1.07	1.13
SH2C-1	26	8575	103	0.90	0.82
SH2C-2	29	9502	125	1	1
SH2C-3	28	8985	115	0.95	0.92
SH2C-4	30	9648	130	1.02	1.04
SH2C-5	34	10032	136	1.06	1.09

Note. M_u is the ultimate plastic moment (kN·m); M_e is the joint’s yielding moment (kN·m); K is the initial rotational stiffness of the joint (kN·m·rad⁻¹); K_l is the coefficient of linear stiffness.