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Table 6 Fluctuating wind power spectrum density under different turbulence integral scales

From: Advances in modeling boundary layer turbulence and its effects on motion independent aerodynamic force of bridge decks

Segmental model of bridges

Wind spectrum input

Vertical bending fundamental frequency

Value of the fluctuating wind power spectrum density

Torsional fundamental frequency

Value of the fluctuating wind power spectrum density

Along-wind direction

Cross-wind direction

Along-wind direction

Vertical direction

Suspension Bridge A (1:40)

Wind Tunnel

0.632

0.123

0.011

1.467

0.106

0.011

Actual Bridge

0.397

0.112

0.086

0.034

Suspension Bridge A (:208)

Wind Tunnel

1.449

0.030

0.288

3.348

0.011

0.004

Actual Bridge

0.027

0.009

0.008

0.003

Cable-stayed Bridge B

Wind Tunnel

1.941

0.101

0.100

6.101

0.040

0.010

Actual Bridge

0.082

1.091

0.014

0.004

Arch Bridge C

Wind Tunnel

3.569

0.011

0.003

7.892

0.003

0.001

Actual Bridge

0.004

0.001

0.001

0.0004