Detalhes do Projeto

A41 – BRIDGE OVER THE DOURO RIVER

Client: DLACE – Douro Litoral, ACE
Location: Gondomar – Porto – Portugal
Conclusion Year: 2011

Construction of road bridge over the Douro River, in pre-stressed reinforced concrete, with 2 (two) 19.40 metres wide each parallel decks, built using an incremental advancing process, 730 metres long, comprised by 6 spans (65,00 + 115,00 + 3×150,00 + 100,00), with 50 metres maximum height.
Two of the five pillars that compose this engineering structure are located in the river bed and are supported by blocks at the head of 18 lost metal shrouded reinforced concrete piles, 2 metres diameter at an average depth of 46 metres.

Ø 2000 mm shrouded piles in reinforced concrete: 1 656 ml
Formwork: 88 190 m2
A500 Steel: 4 820 ton
High-tensile steel: 1 680 ton
Concrete: 62 500 m3
Number of travellers working simultaneously (350 ton capacity): 3 un