Article

Viaduct over Rego das Lamas

Authors:
Óscar Ramón Ramos Gutiérrez at Universidad de Cantabria
Óscar Ramón Ramos Gutiérrez
José M. Martínez
José M. Martínez
José M. Martínez
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Guillermo Ortega
Guillermo Ortega
Guillermo Ortega
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Marcos J. Pantaleón
Marcos J. Pantaleón
Marcos J. Pantaleón
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Abstract

The viaduct over Rego das Lamas is part of the Lalín (Baxán) – Lalín (Anzo) section of the High Velocity Railway between Orense and Santiago, which remains under the jurisdiction of ADIF. The viaduct is designed as a 245 meter, composite concrete-steel structure that allows crossing of the railway tracks over the AP-53 motorway by 80 m bowstring span: two arches along with steel ties. Nine hangers made of Y1860S steel and formed with 150mm2 strands connect every arch with its tie. The bowstring span has been erected over the highway by incremental launching from the construction yard into its final position over the piers 3 and 4.

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