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Dynamic Monitoring of a roadway bridge supported by a plain concrete arch

 Dynamic Monitoring of a roadway bridge supported by a plain concrete arch
Auteur(s): ,
Présenté pendant IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, publié dans , pp. 2642-2649
DOI: 10.2749/222137814814070109
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The bridge under study is an arch bridge built in 1940, whose main structural element is a concrete arch without reinforcement that spans 80 m. Since it is one of the bridges with larger span cons...
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Détails bibliographiques

Auteur(s):

Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014
Publié dans:
Page(s): 2642-2649 Nombre total de pages (du PDF): 8
Page(s): 2642-2649
Nombre total de pages (du PDF): 8
Année: 2014
DOI: 10.2749/222137814814070109
Abstrait:

The bridge under study is an arch bridge built in 1940, whose main structural element is a concrete arch without reinforcement that spans 80 m. Since it is one of the bridges with larger span constructed in Portugal during the Second World War period, involving a plain concrete arch, this bridge is an important Portuguese landmark. Due to the construction of a new hydroelectric power plant in the vicinity of the bridge, the bridge was equipped with a vibration based Structural Health Monitoring system, in order to continuously observe the impact of the construction activities on the structural integrity of this historical bridge.

This paper presents the main characteristics of the structure and of its monitoring project, including a description of the monitoring hardware and software that is complemented with the analysis of the results associated with more than two years of continuous tracking of the bridge modal parameters.

Mots-clé:
pont en arc