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Socket-projection fixing assembly

a technology of sockets and fixing parts, applied in the direction of wind energy generation, structural elements, building components, etc., can solve the problems of smallest possible number of additional operations and the least possible extent of extension

Inactive Publication Date: 2014-10-09
ESTEYCO ENERGIA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention relates to a socket-projection fixing assembly for wind turbine towers. The assembly includes both passive and active internal reinforcement. The use of both types of reinforcement allows for a balance between structural efficiency and the speed of installation and fixing. The assembly also includes a horizontal wet joint that allows for the temporary fastening of the sections until the curable material reaches its specified strength. This provisional fastening prevents the joint from being de-compressed under load and allows for the installation of several sections with a high degree of security. The invention provides a fast, efficient method for provisionally securing the joint, which allows for the subsequent installation of several sections with a high degree of security and enabling the work of filling with curable material to a later phase.

Problems solved by technology

However, it is necessary to provide a horizontal wet joint which, on the one hand, has internal reinforcements for improving the behaviour of the joint when it is subjected to tension and which, on the other hand, involves the smallest possible number of additional operations and extends to the least possible extent the duration of the erection process.

Method used

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Examples

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Embodiment Construction

[0045]In the figures the same or similar parts are denoted by the same reference numeral.

[0046]FIG. 1 shows a wind turbine tower 1 which has four successive cylindrical concrete prefabricated sections 2, 2′, 2″, 2′″. A respective horizontal wet joint 3, 3′, 3″ is formed between each couple of successive sections, which joint comprises a respective socket-projection fixing assembly according to the invention, i.e. said tower includes three horizontal wet joints 3, 3′, 3″ and three socket-projection fixing assemblies according to the invention (said socket-projection fixing assemblies according to the invention not shown in FIG. 1).

[0047]FIG. 2 shows a cross-sectional view of said tower 1 in correspondence with the lower horizontal wet joint 3 between a lower section 2 and an upper section 2′, to illustrate the respective socket-projection fixing assembly according to the invention and lower section 2. Said socket-projection fixing assembly according to the invention of said lower hor...

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Abstract

A socket-projection fixing assembly for a horizontal wet joint (3) between two cylindrical concrete sections (2.2′) for a wind turbine tower, which comprises socket-projection fixing device with an active internal reinforcement (8) and a socket-projection fixing device with a passive internal reinforcement (7) so that said reinforcements each include an embedded portion which is embedded in a first section of said cylindrical sections and a projecting portion which projects from said first section and is housed in a duct (9, 10) in a second section of said cylindrical sections. Said active internal reinforcement includes tightening means (14, 16) which are arranged in said projecting portion of said active internal reinforcement and against a supporting surface (15) of one of said cylindrical sections, and said passive internal reinforcement includes cured material (12) which is arranged around said projecting portion o said passive internal reinforcement (7) and adheres to the interior of said duct (10).

Description

FIELD OF THE INVENTION[0001]The present invention relates to a socket-projection fixing assembly, internally reinforced, for a horizontal wet joint between two cylindrical prefabricated concrete sections for a wind turbine tower, or between a cylindrical prefabricated concrete section and a concrete foundation for a wind turbine tower. Although hereinafter reference is made solely to the horizontal wet joint between two sections for the sake of simplicity, this in any way limits the scope of the invention.[0002]The principal sector of application of the invention is therefore the building sector, particularly concrete structures, in the renewable or green power generating industry, specifically wind power.BACKGROUND TO THE INVENTION[0003]A method is known for erecting wind turbine towers on the basis of cylindrical sections which are connected to each other coaxially, one above the other, thus creating horizontal joints between successive sections. Said cylindrical sections may in t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E04H12/16E04H12/34E04B1/41
CPCE04H12/16E04H12/342E04B1/4121E04H12/12Y02E10/728Y02E10/72F03D13/20
Inventor FERNANDEZ GOMEZ, MIGUEL ANGELJIMENO CHUECA, JOSE EMILIO
Owner ESTEYCO ENERGIA
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