Traveling Wave Resonance and Simplified Analysis Method for Long-Span Symmetrical Cable-Stayed Bridges under Seismic Traveling Wave Excitation

Table 2

Relationships between the main span, structural natural frequencies, apparent wave velocity, and wavelength.

	Mode		Surface apparent wave velocity
			= 1712 m/s		= 1100 m/s		= 1000 m/s		= 900 m/s
Order	Characteristic	(Hz)	(m)	/	(m)	/	(m)	/	(m)	/
8	Symmetric in longitudinal direction	0.41747					2395	0.45	2156	0.50
12	Symmetric in longitudinal direction	0.50662			2171	0.50	1974	0.55
26	Symmetric in longitudinal direction	0.78681	2176	0.50