Investigation and Control of VIVs with Multi-Lock-in Regions on Wide Flat Box Girders

Table 1

Design parameters of wind tunnel tests.

Parameters	Symbol	Actual values	Required values	Testing values
Height (m)		3.5	0.0583	0.058
Width (m)		42.0	0.7	0.700
Length (m)		880	__	2.095
Mass/unit length (kg·m^−1)		27600	7.667	7.667
Mass moment of inertia/unit length (kg·m^2)·m^−1		5137700	0.3987	0.399
First vertical natural frequency (Hz)		0.1745	2.218	2.274
Vertical damping ratio (%)		0.5	0.389	0.442
First torsional natural frequency (Hz)		0.3973	5.417	5.404
Torsional damping ratio (%)		0.5	0.439	0.422
Turbulent intensity (%)				<0.5%