Transformer-Enhanced Traffic Load Simulation for Wear Evaluation of Bridge Expansion Joint

Table 2

Verification of the dynamic behavior of the established FEM.

Mode no.	Nature of mode	Measured frequency (Hz)	FEM analysis (Hz)	Error (%)
1	1st symmetric lateral	0.0586	0.0534	−8.9
2	1st anti-symmetric vertical	0.0877	0.0884	0.8
3	1st anti-symmetric lateral	0.1221	0.1228	0.6
4	1st symmetric vertical	0.1587	0.1504	−5.2
5	2nd symmetric vertical	0.1685	0.1668	−1.0
6	2nd anti-symmetric vertical	0.1880	0.1877	−0.2
7	1st symmetric torsional	0.2417	0.2307	−4.6
8	1st anti-symmetric torsional	0.3077	0.2862	−7.0