Research Article
Seismic Vibration Mitigation of a Cable-Stayed Bridge with Asymmetric Pounding Tuned Mass Damper
Table 5
Vibration reduction ratio of different damping systems.
| | Structural response | Peak value | R.M.S. value | | TMD | PTMD | APTMD | TMD | PTMD | APTMD |
| | Midspan displacement | 14.70% | 15.52% | 15.65% | 21.13% | 27.80% | 37.65% | | Midspan acceleration | −0.03% | −0.03% | −0.48% | 3.89% | 4.68% | 5.35% | | Shear force at pylon bottom | 1.51% | 1.66% | 1.89% | 0.86% | 1.35% | 2.01% | | Shear force at pier bottom | 20.80% | 20.85% | 20.52% | 21.18% | 23.75% | 26.77% | | Bending moment at pylon bottom | 9.52% | 9.51% | 9.26% | 26.20% | 28.87% | 31.81% | | Bending moment at pier bottom | 28.29% | 28.23% | 28.46% | 21.42% | 24.00% | 27.03% | | Bending moment at the junction of pier and beam | 26.48% | 26.46% | 26.52% | 20.31% | 22.69% | 25.44% |
|
|
