Research Article
Rotation Stiffness Investigation of Spatial Joints with End-Plate Connection
Table 7
Mechanical properties of the spatial joints.
| | Label | Elastic ultimate moments M (kN·m) | Initial rotation stiffness Ki (kN·m·rad−1) | Plastic ultimate moments Mu (kN·m) | | Planar loading Me1 | Spatial loading Me2 | Planar loading K1 | Spatial loading K2 | K1/K2 | Planar loading Mu1 | Spatial loading Mu2 | Mu1/Mu2 |
| | YZ-1 | 18.96 | 15.63 | 12837 | 13068 | 1.018 | 89.43 | 77.58 | 0.87 | | YZ-2 | 20.99 | 18.16 | 25520 | 25815 | 1.011 | 98.14 | 88.89 | 0.91 | | YZ-3 | 21.58 | 21.37 | 26764 | 26770 | 1.000 | 97.09 | 97.26 | 1.00 |
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