Impact Coefficient Analysis of Long-Span Railway Cable-Stayed Bridge Based on Coupled Vehicle-Bridge Vibration

Table 1

Frequency and vibration shape of the bridge.

Order	Frequency/Hz	Mode shape
1	0.15851	Main girder longitudinal drifting
2	0.28670	Main girder lateral symmetric bending-1
3	0.42343	Main girder vertical symmetric bending-1
4	0.47667	Main girder lateral antisymmetric bending-1
5	0.49741	Main girder lateral antisymmetric bending-2
6	0.70407	Main girder lateral antisymmetric bending-3
7	0.71530	Main girder vertical antisymmetric bending-1
8	0.81917	Tower lateral bending-1
9	0.81918	Tower lateral bending-2
10	0.81973	Pier longitudinal bending