Restoring Force Model of an Energy-Dissipation Joint in Hybrid Frames: Simplified Skeleton Curve and Hysteretic Rules

Table 4

The comparison of maximum and minimum moment and rotation.

Specimen	J-6	J-8	J-10	J-12
Positive peak moment and rotation (kN·m/rad)	76.81/0.000873	87.06/0.001171	88.63/0.001226	88.18/0.001049
Negative peak moment and rotation (kN·m/rad)	−78.96/−0.000862	−88.72/-0.001150	−90.09/−0.001215	−85.79/−0.001059
Absolute error (%)	−2.72/+1.26	−1.87/+1.79	−1.62/+0.90	+2.71/−0.95
Positive ultimate moment and rotation (kN·m/rad)	62.05/0.001390	69.91/0.00180
Negative ultimate moment and rotation (kN·m/rad)	−63.17/-0.001431	−72.02/−0.001855
Absolute error (%)	−1.77/−2.87	−2.93/−2.96