Simulation Analysis of Coupled Structural Vibration of Highway Railway Combined Bridge Induced by Overlapping Action of Vehicle and Train

Table 2

Frequency and vibration mode of bridge structure.

Vibration model	Frequency	Mode description
1	0.53475	Symmetrical transverse bending
2	0.61263	Antisymmetric transverse bending
3	0.681	Lateral movement and vertical bending
4	0.71185	Symmetrical transverse bending
5	0.84868	Antisymmetric transverse bending
6	0.86938	Antisymmetric transverse bending
7	1.3027	Symmetrical transverse bending
8	1.3335	Vertical bending
9	1.359	Vertical bending
10	1.3909	Symmetrical vertical bending