Vibration Response Characteristics of the Cross Tunnel Structure

Table 3

Results of free vibration analysis.

Mode number	1	2	3	4	5	6	7	8	9	10
Frequency (Hz)	2.04	2.10	2.26	2.36	2.60	2.65	2.67	2.88	3.42	3.53
Angular frequency (rad/s)	12.82	13.20	14.20	14.85	16.31	16.63	16.80	18.08	21.46	22.17