The two access viaducts to the drawbridge of Leixões harbour are connected with the metallic structure of the drawbridge and allow the passage between the two towns, Leça da Palmeira and Matosinhos. The viaducts are concrete structures, composed of wall-columns and abutments, in reinforced concrete, supporting longitudinal beams placed side by side and braced by transversal beams, all of prestressed concrete. T...
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