Analysis of a metallic pedestrian bridge under dynamic human loads in pre and post reinforcement phases

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Title: Analysis of a metallic pedestrian bridge under dynamic human loads in pre and post reinforcement phases
Authors: Foti, Dora | Ivorra, Salvador | Bru, David
Research Group/s: Grupo de Ensayo, Simulación y Modelización de Estructuras (GRESMES)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: Dynamic identification | Pedestrian bridge | Induced vibration test | Resonance | Damping | Free-vibration test
Knowledge Area: Mecánica de Medios Continuos y Teoría de Estructuras
Issue Date: 2013
Publisher: North Atlantic University Union (NAUN)
Citation: International Journal of Mathematical Models and Methods in Applied Sciences. 2013, 7(5): 609-618
Abstract: 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.
ISSN: 1998-0140
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
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Appears in Collections:INV - GRESMES - Artículos de Revistas

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