Research Article
Influence of Excitation on Dynamic System Identification for a Multi-Span Reinforced Concrete Bridge
Table 10
Natural frequencies and mode shape MAC values from dynamic truck excitation.
| | Analysis case | Natural frequency (Hz) | Mode shape MAC values | | Mode 1 | Mode 2 | Mode 3 | Mode 1 | Mode 2 | Mode 3 |
| | Eigenvalue | 2.480 | 4.024 | 5.695 | — | — | — | | PV1 (54 km/h) | 2.307 | — | — | 0.9944 | — | — | | PV1 (81 km/h) | 2.529 | — | — | 0.9913 | — | — | | PV4 (54 km/h) | 2.311 | — | — | 0.9942 | — | — | | PV4 (81 km/h) | 2.389 | — | 6.248 | 0.9916 | — | 0.8739 |
|
|
