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

Table 13

The statistics of the frequencies in different conditions.

Case	Mode	Vertical frequencies			Transverse frequencies		Longitudinal frequencies
		1	2	3	1	2	1
1	Mean value (Hz)	0.37036	0.50987	0.78325	0.38117	0.52315	0.87115
	Standard deviation (Hz)	0.00825	0.01464	0.00742	0.00153	0.00452	0.00156
	Variable coefficient (%)	2.22702	2.87191	0.94695	0.40140	0.86400	0.17907
2	Mean value (Hz)	0.37012	0.50526	0.78112	0.38225	0.52465	0.87119
	Standard deviation (Hz)	0.00356	0.00421	0.00125	0.00435	0.00854	0.00985
	Variable coefficient (%)	0.96185	0.83323	0.16003	1.13748	1.62832	1.13064
3	Mean value (Hz)	0.37052	0.50891	0.78411	0.38115	0.52122	0.87335
	Standard deviation (Hz)	0.00289	0.00394	0.00156	0.00098	0.00115	0.02740
	Variable coefficient (%)	0.77998	0.77420	0.19895	0.25712	0.22064	3.13689