Research Article

Serviceability Assessment Method of Stay Cables with Vibration Control Using First-Passage Probability

Table 3

Numerical results of cable vibration (displacement) with/without vibration control on Cable C14.

Wind casesStandard deviationMaximum displacement (m)
Un-controlledPassive control (cd =1.5)Control efficacy (%)Un-controlledPassive control (cd =1.5)Control efficacy (%)

Case 1
(V10 = 12.89 m/s)
6.45x10−33.32x10−348.532.71x10−21.38x10−249.01
Case 2
(V10 = 20 m/s)
1.72x10−29.21x10−346.457.10x10−23.82x10−246.20
Case 3
(V10 = 36 m/s)
2.82x10−21.64x10−241.841.17x10−18.41x10−228.12