Towards Seismic Design of Nonstructural Elements: Italian Code-Compliant Acceleration Floor Response Spectra

Table 2

Eigenvalue analysis results.

	Mode 1	Mode 2	Mode 3
T (s)	0.45	0.15	0.09
	0.22	-0.70	1.25
	0.50	−1.08	0.62
	0.73	−0.67	−1.10
	0.90	0.24	−0.84
	1.00	1.00	1.00
	1.27	−0.409	0.19