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

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

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