Research Article
Multiobjective Optimal Control of Longitudinal Seismic Response of a Multitower Cable-Stayed Bridge
Table 2
Seismic control effects of the multitower cable-stayed bridge with the fully floating system.
| Control objective | Uncontrolled response, | Controlled response, | Relative variation, (/ |
| Base shear of tower number 3 (×103 kN) | 53.518 | 55.824 | −4.31% | Base moment of tower number 3 (×106 kN⋅m) | 3.4155 | 2.4119 | 29.38% | Displacement on the top of tower number 3 (m) | 0.6008 | 0.1351 | 77.51% | Displacement at the left end of bridge deck (m) | 0.7023 | 0.2463 | 64.93% |
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