A Multiscale Finite Element Model Validation Method of Composite Cable-Stayed Bridge Based on Structural Health Monitoring System

Table 16

Comparison of average values of each modal frequency.

Mode	Vertical; frequencies			Transverse; frequencies		Longitudinal frequencies
	1	2	3	1	2	1
Calculated frequency (Hz)	0.379	0.501	0.778	0.381	0.511	0.861
Measured frequency (Hz)	0.378	0.503	0.765	0.378	0.512	0.86
Relative error (%)	0.26	0.40	1.67	0.79	0.20	0.12