Impact of Cross-Tie Properties on the Modal Behavior of Cable Networks on Cable-Stayed Bridges

Table 4

Comparison of modal properties of an asymmetric DMT two-cable network with damped flexible or rigid cross-tie at .

Mode	Damped flexible cross-tie					Rigid cross-tie
	( kN/m,  kN·s/m)					(, )
	(Hz)		(%)		Mode shape	(Hz)	(%)	Mode shape
	Ana.	FEA	Ana.	FEA
1	1.53	1.53	1.49	1.49	GM, in-phase	1.65	0.58	GM, in-phase
2	2.11	2.11	2.88	2.89	GM, out-of-phase	2.55	0.44	GM, out-of-phase
3	2.97	2.97	1.42	1.42	LM, cable 1	3.49	0.35	GM, in-phase
4	4.04	4.03	1.48	1.48	LM, cable 2	4.37	0.17	LM, cable 1
5	4.37	4.37	0.17	0.17	LM, cable 1	5.00	0.23	GM, out-of-phase
6	5.85	5.85	0.66	0.66	LM, cable 1	5.97	0.26	GM, out-of-phase
7	5.98	5.97	0.30	0.30	LM, cable 2	6.43	0.14	GM, out-of-phase
8	7.30	7.29	0.51	0.51	LM, cable 1	7.54	0.14	GM, in-phase
9	8.00	7.99	0.94	0.94	LM, cable 2	8.74	0.08	LM, cable 1
10	8.74	8.72	0.08	0.08	LM, cable 1	9.05	0.14	GM, out-of-phase