This is a concrete foundation totaly prefabricated for wind tower, subject to an international patent.
It is composed of single elements divided into primary and secondary, which vary in number according to the loads and geometry of the towers.
After the assembly on site of all the elements , the mololithicity is made with the post-tension cables.
A part of the cables is positioned in the slab joins the secondary elements to the primary.
A part of the cables is positioned in the central ring joins the primary elements together.
It is the axial force of the post-tension cables that holds all the elements together
All prefabricated elements are produced in the factory, they are made in metal formwork to ensure compliance with tolerances.
Manufacturer of prefabricated works: ARTEPREF SL – GERARDO DE LA CALLE GROUP – SPAIN
Structural designer of concrete works: dott.ing. Stefano Knisel – ITALY