Static and Dynamic Mechanical Properties of Long-Span Cable-Stayed Bridges Using CFRP Cables

Table 8

Dynamic characteristics of the two cable-stayed bridges with different types of cable plane.

Frequency (Hz)								Modal characteristics
CFRP cable-stayed bridge				Steel cable-stayed bridge
Order	Inclined plane	Order	Parallel plane	Order	Inclined plane	Order	Parallel plane
1	0.1067	1	0.1053	1	0.1045	1	0.1032	Longitudinal floating + vertical bending of pylon
2	0.1292	2	0.1292	2	0.1253	2	0.1254	First lateral bending
3	0.2046	3	0.2031	3	0.2095	3	0.2080	First vertical bending
13	0.5625			12	0.5529			First torsion + lateral bending
15	0.5949	11	0.4999	15	0.5849	11	0.4883	First torsion