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

Table 5

Effective modal masses (%) of each vibration mode.

Mode	29A	29B	36A	36B
1 (1st symmetrical mode)	25.9265	25.9176	27.1070	27.2265
2 (1st unsymmetrical mode)	0.0000	0.0000	0.0000	0.0000
3 (2nd symmetrical mode)	0.0237	0.0250	1.2822	1.2983
4 (2nd unsymmetrical mode)	0.0000	0.0000	0.0000	0.0000
5 (3rd symmetrical mode)	3.5729	3.5950	3.5551	3.4151
6 (3rd unsymmetrical mode)	0.0000	0.0000	0.0001	0.0001
7 (4th symmetrical mode)	0.1392	0.1473	0.1101	0.1227
8 (4th unsymmetrical mode)	0.0000	0.0000	0.0002	0.0002
9 (5th symmetrical mode)	1.9872	2.008	0.4461	0.4355
10 (5th unsymmetrical mode)	0.0000	0.0000	0.0003	0.0004