Research Article

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

Table 5

Comparison of the experimental and the theoretical elastic stiffness.

SpecimenJ-6J-8J-10J-12

Experimental elastic stiffness (kN·m)139819137719135781137168
Theoretical elastic stiffness (kN·m)136282137595138915140241
Error (%)−2.60−0.09+2.26+2.19