Longitudinal Seismic Behavior of a Single-Tower Cable-Stayed Bridge Subjected to Near-Field Earthquakes

Table 5

Comparison of the test model and theoretical model.

Items	Theoretical model	Test model	errors
Modal analysis
1st longitudinal model period (s)	1.335	1.149
2nd longitudinal model period (s)	0.630	0.545
Time history analysis
Peak displacement at tower top (m)	0.0273	0.0284
Peak displacement at deck end (m)	0.0368	0.0331
Peak bending moment at tower bottom (kNm)	52.87	56.5