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

Table 7

Performance with different beam heights (mm).

	SH-1	SH-2	SH-3	SH-4
K	6796	9502	13780	17383
Mu	97	125	162	196
Ki/K1	1	1.40	2.03	2.56
Mui/M1	1	1.28	1.65	2.00
Mu/Mpl	1.52	1.65	1.44	1.32
Ki/Kl	3.5	4.3	4.1	3.9

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