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

Table 3

Control effect of peak base shear in direction (units in kN).

Earthquake wave	PGA = 0.2 g			PGA = 0.3 g			PGA = 0.4 g
	Controlled	Uncontrolled	β	Controlled	Uncontrolled	β	Controlled	Uncontrolled	β
El-Centro	1042	1262	0.174	1502	1879	0.201	2009	2524	0.204
Taft	1090	1565	0.304	1410	2053	0.313	1567	2718	0.423
Sylmar	824	938	0.122	1196	1409	0.151	1672	2076	0.195