Detalhes do Projeto

SPECIAL VIADUCTS, PLOT N OF THE SUB-SECTION ALMODÔVAR / SÃO BARTOLOMEU DE MESSINES 

Client: Brisa – Autoestradas de Portugal, S.A.
Location: A2 Almodôvar/São Bartolomeu de Messines – Portugal
Conclusion Year: 2002

Construction of special viaducts, plot N of the sub-section Almodôvar/São Bartolomeu de Messines, Motorway A2, Portugal. Execution of two special viaducts, including foundations, structure and finishes.
Bridge over river Arade

Viaduct over Gavião Creek:
2 parallel viaducts with 680 meters each and spans distributed as follows: 30m + 14 x 42m + 36m + 26m 
Each deck has 17 sections, 14 of which executed with self-launching falsework
The total width of each deck is 18,2 m, being adopted a solution of beamed slab, with canopies in the sections over the piers
The abutments are of the non-retrievable type, with shallow foundations
The foundations are shallow 
The piers range from 25 meters to 5,50 meters, including 3,0 meters of the capital
The deck incorporates longitudinal prestress, as well as transversal in the zone of the piers
The capitals also received transversal prestress
Execution of the pavement of the viaduct