Performance of Seismic Restrainer with SMA Springs for Sliding Isolation of Single-Layer Spherical Lattice Shells

Table 1

Values of parameters for nonlinear element of SMA spring restrainer.

Component	Nonlinear element	Performance parameters
		Yield force (kN)	Yield displacement (mm)	Post yield stiffness ratio	Yield exponent
SMA springs	Multi-linear elastic	7.45	2	0.594	—
	Plastic (Wen)	5	2	0	2