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

Table 6

Control effect of peak axial force under seismic excitations scaled to 0.4 g amplitude (units in kN).

Beam number	El-Centro			Taft			Sylmar
	Controlled	Uncontrolled	β	Controlled	Uncontrolled	β	Controlled	Uncontrolled	β
1	8.02	13.36	0.400	9.38	15.07	0.378	15.78	22.89	0.311
2	8.39	13.09	0.359	9.65	15.73	0.387	15.64	22.87	0.316
3	6.86	8.46	0.189	5.31	9.13	0.418	4.55	7.30	0.377
4	6.90	8.55	0.193	5.32	8.28	0.358	4.20	7.24	0.420
5	16.56	26.75	0.381	13.46	20.88	0.355	15.34	21.61	0.290