Research Article

Experimental Study on the Spanwise Correlation of Vortex-Induced Force Using Large-Scale Section Model

Table 1

Parameters of test model.

ParameterValue of prototype bridgeRatio of simulationValue of model

Unit mass (kg·m−1)287041 : 25245.93
Unit mass moment of inertia (kg·m2·m−1)57848301 : 25414.81
Frequency (Hz)Vertical0.181610.7571.953
Torsional0.389511.0324.297
Velocity ratioVertical1 : 2.32
Torsional1 : 2.269
Damping ratio (%)Vertical0.48
Torsional0.42