A Procedure to Identify the Modal and Physical Parameters of a Classically Damped System under Seismic Motions

Table 12

Identified frequencies and damping coefficients.

Modes	1	2	3	4
𝑓 (Hz)	8.30	25.34	43.11	55.61
𝜁 (%)	2.68	1.30	1.40	0.74