Research Article
Low-Cyclic Loading Tests of Self-Centering Variable Friction (SCVF) Brace
Table 12
Mechanical parameters of the FEM analog value versus test value (SCVF brace with spring S2).
| | Midspan deflection ω (mm) | Energy dissipation Wd (J) | Deviation (%) | Secant stiffness Ks (kN/mm) | Deviation (%) | Equivalent damping ratio ξeq (%) | Deviation (%) | | Test value | Simulation value | Test value | Simulation value | Test value | Simulation value |
| | 5 | 565.674 | 639.68 | 13.0 | 0.178 | 0.166 | 6.7 | 13.748 | 16.430 | 16.3 | | 7.5 | 877.523 | 956.35 | 8.3 | 0.197 | 0.184 | 6.3 | 18.435 | 20.820 | 12.9 |
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