Estádio do Dragão, Porto arena

Construction of a new stadium for the Euro 2004 to comply with UEFA requirements: construction of terraces to accommodate 50,000 spectators and a 34,000m² roof.

The structure of the stands and the stands are in reinforced concrete.

The roof is supported by two lattice arches with a span of 178m and a height of 5.25 to 10.80m. These arches serve as supports for reconstructed and welded L-beams.