Feasibility Study on Tension Estimation Technique for Hanger Cables Using the FE Model-Based System Identification Method

Table 2

The natural frequencies of symmetric modes of the hanger cables.

Symmetrical mode	Measured frequency (Hz)
	29A	29B	36A	36B
1st	3.20	3.05	9.38	9.20
2nd	6.42	6.10	15.91	15.46
3rd	9.60	9.11	23.15	22.90
4th	12.63	12.05	34.82	34.78
5th	15.32	14.54	49.14	48.28