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

Table 5

Control effect of peak axial force under seismic excitations scaled to 0.3 g amplitude (Units in kN).

Beam number	El-Centro			Taft			Sylmar
	Controlled	Uncontrolled	β	Controlled	Uncontrolled	β	Controlled	Uncontrolled	β
1	7.56	10.03	0.246	8.07	11.29	0.285	13.82	17.13	0.193
2	7.33	9.83	0.254	8.09	11.78	0.313	13.80	17.18	0.197
3	5.18	6.32	0.180	4.65	6.84	0.320	3.10	4.85	0.361
4	5.19	6.30	0.176	4.67	6.35	0.293	3.11	5.29	0.402
5	13.97	20.07	0.304	12.58	16.65	0.244	13.66	16.25	0.159