Research Article
Low-Cyclic Loading Tests of Self-Centering Variable Friction (SCVF) Brace
Table 4
Performance parameters of SCVF brace with different springs.
| | Deflection of the friction plate ω (mm) | Spring stiffness K0 (N/mm) | Energy dissipation Wd (J) | Secant stiffness Ks (kN/mm) | Equivalent damping ratio (%) ξeq |
| | 5 | (Spring S2) 28.5 | 565.674 | 0.178 | 13.659 | | (Spring S1) 55.2 | 600.010 | 0.256 | 10.319 |
| | 7.5 | (Spring S2) 28.5 | 877.523 | 0.197 | 18.435 | | (Spring S1) 55.2 | 898.689 | 0.283 | 14.209 |
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