Parametric analysis of the dynamic characteristics of a long-span three-tower self-anchored suspension bridge with a composite girder

Advances in Bridge Engineering

Table 4 Influence of longitudinal constraints on the dynamic characteristics of the structure (units: Hz)

Mode	LG	1-ASY-V	1-SY-V	1-SY-T	1-ASY-T
Longitudinal constraint	LG	1-ASY-V	1-SY-V	1-SY-T	1-ASY-T
Released	0.09998	0.16203	0.28202	0.44303	0.44715
Enforced	None	0.16203	0.28202	0.44303	0.44825