Patent ID: 9657722
Date: 2017-05-23
CPC Classifications: E04G,E04H,F03D,F05B,Y02E,Y10T

Claim:
1. A method of producing a tower structure, the tower structure including a hollow concrete part comprising an outer wall of concrete surrounding a cavity, the outer wall being produced by the following steps: producing an internal wall layer from bulk concrete, and subsequently, applying an external, outer wall layer of fine-grain concrete, which is different from the bulk concrete, onto an outer side of the internal wall layer to form a composite part by using a slip formwork and embedding a textile reinforcement in the external, outer wall layer, and wherein the fine-grain concrete has a higher proportion of cement paste than the bulk concrete; and wherein while the internal wall layer is solidifying and an outer surface of the internal wall layer is still wet, the external outer wall layer is applied as follows: