Post-tensioning system,
Wind power
Windpark Casimcea
tendons from the lowest point in the foundation cellar. For this project, BBV Systems processed 1,700 tons of prestressing steel into 2,816 tendons, delivered them to the wind farm, prestressed and injected 900 tons of special cement. [...] afterwards the tendons were injected with a special mortar, which ensures the bond with the surrounding concrete and the corrosion protection of the prestressing steel strands. Special equipment was also used for this work step, which mixed the pre-mixed, very low-shrinkage grout and pressed it into the vertical[...]