| Título: | Analysis of a metallic pedestrian bridge under dynamic human loads in pre and post reinforcement phases |
| Autores: |
Foti, Dora Ivorra Chorro, Salvador Bru Orts, David |
| Fecha: |
2013-11-05 2013-11-05 2013 |
| Publicador: | RUA Docencia |
| Fuente: |
 |
| Tipo: | info:eu-repo/semantics/article |
| Tema: |
Dynamic identification Pedestrian bridge Induced vibration test Resonance Damping Free-vibration test Mecánica de Medios Contínuos y Teoría de Estructuras |
| Descripción: | The purpose of this work is to study the dynamic behavior of a pedestrian bridge in Alicante, Spain. It is a very slender footbridge with vertical and horizontal vibration problems during the passage of pedestrians. Accelerations have been recorded by accelerometers installed at various locations of the bridge. Two scenarios, in free vibration (after the passage of a certain number of pedestrians on the bridge) and forced vibration produced by a fixed number of pedestrians walking on the bridge at a certain speed and frequency. In each test, the effect on the comfort of the pedestrians, the natural frequencies of vibration, the mode shapes and damping factors have been estimated. It has been found that the acceleration levels are much higher than the allowable by the Spanish standards and this should be considered in the restoration of the footbridge. |
| Idioma: | Inglés |
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