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The Oporto São João Railway Bridge – major design improvements through experimental tests

The Oporto São João Railway Bridge – major design improvements through experimental tests
Auteur(s):
Présenté pendant IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, publié dans , pp. 2773-2780
DOI: 10.2749/222137814814070226
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In the early 1980’s the Portuguese Government considered the possibility of replacing the aging 1877 Maria Pia railway bridge. Due to traffic constraints in the Portuguese north-south communicatio...
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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): 2773-2780 Nombre total de pages (du PDF): 8
Page(s): 2773-2780
Nombre total de pages (du PDF): 8
Année: 2014
DOI: 10.2749/222137814814070226
Abstrait:

In the early 1980’s the Portuguese Government considered the possibility of replacing the aging 1877 Maria Pia railway bridge. Due to traffic constraints in the Portuguese north-south communications network a new bridge was necessary. A major competition was organized for a new railway bridge to improve the rail traffic between the twin cities of Oporto (north bank) and Gaia (south bank), where a larger traffic velocity (120km/h), higher axle loads and improved safety regarding derailment was required. This new innovative structural concrete bridge, with a strong aesthetic impact, had to use the existing network tracks but major adaptations had to be made on a 4km extension from Gaia to Oporto. The experimental tests carried out on the site laboratory were critical to guarantee a long lasting durable solution.

Mots-clé:
esthétique ponts ferroviaires

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