Nonlinear Analysis of Cable Vibration of a Multispan Cable-Stayed Bridge under Transverse Excitation

Table 2

Cables which may take place of the transverse coupled vibration between the global mode and cable.

Mode number (OECS)	Natural frequency (Hz)	Cable number	Natural frequency (Hz)	Ratio
2nd	0.2939	N23	0.313	0.939 (1 : 1)
		N24	0.310	0.948 (1 : 1)
		N25	0.289	1.017 (1 : 1)
		N26	0.271	1.085 (1 : 1)
		N13	0.648	0.454 (1 : 2)
		N14	0.554	0.531 (1 : 2)
		N15	0.536	0.548 (1 : 2)
7th, 8th	0.6737	A9	1.392	0.484 (1 : 2)
		J8	1.373	0.491 (1 : 2)
9th, 10th	0.6996	A9	1.392	0.503 (1 : 2)
		J8	1.373	0.510 (1 : 2)