Research Article
Low-Cyclic Loading Tests of Self-Centering Variable Friction (SCVF) Brace
Table 11
Mechanical parameters of the FEM simulation value versus test value (SCVF brace with spring S1).
| | 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 | 600.010 | 642.674 | 7.0 | 0.256 | 0.248 | 3.1 | 10.319 | 11.791 | 14.2 | | 7.5 | 898.689 | 993.109 | 10.5 | 0.283 | 0.274 | 3.2 | 14.209 | 15.979 | 112.4 |
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