Rotation Stiffness Investigation of Spatial Joints with End-Plate Connection

Table 4

Test results.

Specimen	Position	Yield moment (kN·m)	Ultimate moment (kN·m)	Yield rotation (rad)	Initial rotation stiffness (kN·m·rad^−1)	Max displacement of beam end (mm)	Max load of beam end (kN)	Failure pattern
MZ-1	Left connection	73.7	110.1	0.0081	9879	64	114	Buckling at flange, large deformation of end-plate
	Right connection	89.9	121.2	0.0072	13574	78	109
MZ-2	Left connection	32.0	58.7	0.0035	9769	65	60	Pull crack of bolts, large deformation of end-plate
	Right connection	—	—	—	—	—	—