Low-Cyclic Loading Tests of Self-Centering Variable Friction (SCVF) Brace

Table 8

Mechanical parameters under different friction coefficients.

Deflection of the friction plate ω (mm)	Friction coefficient μ	Energy dissipation Wd (J)	Secant stiffness Ks (kN/mm)	Equivalent damping ratio (%) ξeq
5	0.4	600.010	0.256	10.319
	0.5	814.632	0.271	13.270
7.5	0.4	898.689	0.283	14.209
	0.5	1234.702	0.324	16.790