Concrete foundation for a wind turbine tower and method for installing same

(10) EP 4 079 970 A1

(22) 22.12.2020

(43) 26.10.2022

(57) A precast concrete foundation (100; 200) for a wind tower (140; 240), comprising a slab (110, 120; 210, 220a, 220b), a pedestal (130; 230) and ribs (150; 250). The slab comprises a first piece (110; 210) and a second piece (120; 220a, 220b), the first slab piece (110; 210) and the pedestal (130; 230) are integral with each other, the second slab piece (120; 220a, 220b) is an annular piece surrounding the first slab piece (110; 210), the first slab piece (110; 210) and the second slab piece (120; 220a, 220b) are spaced apart from one another, the ribs (150; 250) extend from the pedestal (130; 230) to the second slab piece (120; 220a, 220b), and the ribs (150; 250) are fastened to the second slab piece (120; 220a, 220b) and the pedestal (130; 230) and/or the first slab piece (110; 210).

(71) Structural Design Engineering, SLU 28037 Madrid (ES)

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