Structure Ceiling in the Central Tunnel - Venda Nova III
Construction of a false ceiling inside the Central Tunnel, integrated in the general construction of the reinforcement of the power of the use of Venda Nova - Venda Nova III to be carried out by the company EDP - Gestão da Produção de Energia, S.A.
Located inside the tunnel of the power reinforcement of Venda Nova III, the false ceiling and adjacent walkways have an implantation area of about 102x25.7 = 2621 m2.
The main supporting structure of the ceiling is formed by 20 metallic gates of 25.7 m of span spaced of 5 m except for the end gates that have a slightly lower spacing. The portico beams are IPE330, in circular arc, whose interior radius is 23.23 m.
The pillars are of HEA160 section, have 4.80 m of height and a slope of 4.70º with the vertical.
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