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

Table 2

Comparison of modal properties of a twin-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
	Analytical	FEA	Analytical	FEA
1	1.46	1.46	0.50	0.50	GM, in-phase	1.46	0.50	GM, in-phase
2	1.68	1.68	4.11	4.12	GM, out-of-phase	2.43	0.30	LM, RS
3	2.91	2.91	0.25	0.25	GM, in-phase	2.91	0.25	GM, in-phase
4	2.96	2.96	1.30	1.30	GM, out-of-phase	3.64	0.20	LM, LS
5	4.37	4.37	0.17	0.17	GM, in-phase	4.37	0.17	GM, in-phase
6	4.40	4.37	0.82	0.82	GM, out-of-phase	4.86	0.15	LM, RS
7	5.83	5.82	0.13	0.13	GM, in-phase	5.83	0.13	GM, in-phase
8	5.89	5.89	1.49	1.49	GM, out-of-phase	7.28	0.10	LM, RS
9	7.28	7.27	0.10	0.10	GM, in-phase	7.28	0.10	GM, in-phase
10	7.28	7.27	0.10	0.10	GM, out-of-phase	7.28	0.10	LM, LS