Design of SMA-Brace Devices for the Seismic Retrofit of Steel CBF

Table 4: Parameters characterizing the CBF-3s-SMA-s2 solution.

equivalent viscous damping	ξ^CBF	[%]	8.6
SMA brace secant stiffness-story 2	K^SMA_sec,2	[N/mm]	5.5881e+004
SMA brace secant stiffness-story 2/diagonal elastic stiffness-story 2	K^SMA_sec,2/K^DIAG_el,2	-	0.6183
SMA brace cross section area - story 2	A^SMA₂	[mm²]	629.15
SMA brace length - story 2	L^SMA₂	[mm]	108.84