EP2625343A1 - Plaque de fondation pour une éolienne - Google Patents

Plaque de fondation pour une éolienne

Info

Publication number
EP2625343A1
EP2625343A1 EP11778790.3A EP11778790A EP2625343A1 EP 2625343 A1 EP2625343 A1 EP 2625343A1 EP 11778790 A EP11778790 A EP 11778790A EP 2625343 A1 EP2625343 A1 EP 2625343A1
Authority
EP
European Patent Office
Prior art keywords
foundation
wind turbine
wood material
foundation according
underground part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11778790.3A
Other languages
German (de)
English (en)
Other versions
EP2625343B8 (fr
EP2625343B1 (fr
Inventor
Gregor Prass
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TimberTower GmbH
Original Assignee
TimberTower GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TimberTower GmbH filed Critical TimberTower GmbH
Publication of EP2625343A1 publication Critical patent/EP2625343A1/fr
Application granted granted Critical
Publication of EP2625343B1 publication Critical patent/EP2625343B1/fr
Publication of EP2625343B8 publication Critical patent/EP2625343B8/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys
    • E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/42—Foundations for poles, masts or chimneys

Definitions

  • the invention relates to a foundation for a wind turbine with an above-ground and an underground part, wherein on the above-ground part a connection possibility for a wind turbine is provided. Furthermore, the invention relates to a wind turbine with a foundation described above.
  • Wind turbines are used to generate electrical energy from wind.
  • a wind turbine is a device with a foundation, a tower built on the foundation, and a nacelle placed on the tower. At the nacelle is the drive unit connected to rotor blades for power generation.
  • the static loads generated by the nacelle on the tower and the dynamic loads generated by the rotation of the rotary blades of the rotor and the possibility of movement of the nacelle in response to the wind direction are derived via the designed tower in the foundation of the wind turbine.
  • Such foundations are produced for example as a flat foundations in the form of concrete bodies as a solid body.
  • a disadvantage of such bodies is that after reaching the Endnumberedszeitticians of the wind turbine after the wind turbine has to be dismantled, the foundation must also be laboriously dismantled. Furthermore, especially in the production of the foundation as a solid body, the manufacturing costs through the reinforced concrete foundation are very high. From DE 102 45 078 A1 it is known to build a wind turbine in the form of an above-ground foundation, in which the system is erected on a container. The disadvantage here is that the loads that can be absorbed by such a container are too low, as it is possible to build on today's standard, permanently installed wind turbine.
  • a reinforced concrete foundation is made, consisting of ring segments that are erected as an open body in the ground so that no solid body is used, resulting in material savings and thus cost savings.
  • EP 1 074 663 A1 Another way to reduce costs is disclosed in EP 1 074 663 A1.
  • a star-shaped concrete foundation of three sections which are arranged on a base section on which the wind turbine is built. At the end points, the sections are additionally secured in the form of a deep foundation in addition to the load suspension.
  • the execution is intended as a solid body, by the reduction of the boom and the additional deep foundation, the required mass is reduced, which causes a cost reduction.
  • the elaborate dismantling remains.
  • the object of the invention is achieved in terms of the foundation in that the underground part is at least partially made of a wood material.
  • a wood-based material is capable of producing the static and dynamic loads caused by the wind turbine as well, or even better, than one Concrete foundation to record.
  • the construction costs for 1 m 3 of mass are up to 30% lower.
  • the cost of the deconstruction measures is reduced after the end of the life of the wind turbine, since it is easier to dismantle than a comparable concrete foundation.
  • the decomposition processes which start during the lifetime of the wood foundations also facilitate the dismantling or the readiness for dismantling is no longer necessary, since it is ensured that the decay process by itself by the wood material is decomposed over a defined period.
  • the underground part is at least partially a hollow body.
  • a support structure preferably made of a wood material, is provided on the plates, preferably made of a wood material, are attached.
  • in the interior of the subterranean support elements are provided, preferably radially outwardly from the center of the foundation, preferably as part of the supporting structure and / or that a subdivided into at least two sections middle region is provided, wherein preferably the subdivision in the horizontal direction he follows.
  • a further teaching of the invention provides that the above-ground part is placed on a support, which is preferably placed on a support plate, or extended in the underground part is executed, preferably in one piece, which is preferably placed on a support plate. In such a way, the occurring loads can be transferred more easily into the foundation.
  • the wood-based material is solid wood, glued laminated timber and / or cross-laminated timber. These wooden materials are readily available low-cost materials with adequate static and dynamic load capacity.
  • Another teaching of the invention provides that means for ventilating the hollow body are provided, which are preferably openings in the supporting structure and / or divided middle sections. By providing ventilation, it is possible to positively influence the life expectancy of the wooden materials according to the necessary parameters.
  • the object according to the invention with regard to the wind power plant is achieved by a wind turbine with a foundation of the type described above by introducing the heat accumulating in the wind turbine into the foundation. Furthermore, the object of the invention is achieved by the use of the heat generated in the wind turbine for drying a foundation of the type described above.
  • FIG. 1 is a side sectional view of a foundation according to the invention
  • Fig. 2 is a plan view of Fig. 1
  • Fig. 3 is a sectional view in plan view below the viewing plane to Fig. 2, and
  • Fig. 4 is a view analogous to FIG. 3 with illustrated ventilation path.
  • the foundation 10 consists of an underground part 11 and an above-ground part 12.
  • a connection for a tower of a wind turbine On an upper side of the above-ground part 12, which may be annular or polygonal, there is a connection for a tower of a wind turbine.
  • the tower is the Wind turbine also designed as a polygonal wooden tower.
  • the underground part 11 is constructed, for example, on a floor plate (not shown) serving as an erection base. This may be a concrete slab or a compacted sand foundation or the like.
  • a floor 15 is built of wood.
  • vertical side walls 16 are built.
  • the support 19 either serves as a connection for the above-ground part 12 or, as shown in FIG. 1, is made in one piece with it.
  • the support 19 consists of vertically arranged plates 25 which form a central portion 20.
  • the central portion 20 has a horizontal center plate 21 as a parting plane.
  • the space between the ceiling 24 and center plate 21 is an upper chamber 23.
  • Between the middle plate 21 and the support plate 18 or the bottom 15 is a lower chamber 22nd
  • the inclined side walls 17 are designed trapezoidal. This is shown in plan view in Fig. 2 and dashed lines in Fig. 3.
  • reinforcement bearing plates 26, 27 are provided of different thickness, which are arranged on the inclined side walls 17. These are also trapezoidal, but cover several inclined side walls 17.
  • supporting wall elements 28 may be provided within the foundation 10, radially from the central portion 20 to the vertical side walls 16. These may be provided under the points of contact of the inclined side walls 17 or, as shown in Fig. 3, offset thereto are provided.
  • the foundation can be erected with a supporting framework (not shown) on which appropriate wooden panels are then placed.
  • the walls 16, 17, 25, 28 plates 21, 25, 26, 27, the bottom 15 and the support 20 consist of either stacked layer elements or of panel elements made of cross laminated timber or glued laminated timber.
  • FIG. 4 shows a fan 33, by means of which the air is moved along the ventilation path 35 shown in FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne une plaque de fondation pour une éolienne, comprenant une partie aérienne et une partie enterrée (11,12), une possibilité de raccordement (14) pour une éolienne étant prévue sur la partie aérienne (11). L'invention est caractérisée en ce que la partie enterrée (12) est au moins partiellement composée d'un matériau dérivé du bois.
EP11778790.3A 2010-10-08 2011-09-30 Fondation d'une éolienne Not-in-force EP2625343B8 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010047773A DE102010047773B4 (de) 2010-10-08 2010-10-08 Fundament für eine Windkraftanlage
PCT/EP2011/004879 WO2012045413A1 (fr) 2010-10-08 2011-09-30 Plaque de fondation pour une éolienne

Publications (3)

Publication Number Publication Date
EP2625343A1 true EP2625343A1 (fr) 2013-08-14
EP2625343B1 EP2625343B1 (fr) 2013-12-25
EP2625343B8 EP2625343B8 (fr) 2014-02-12

Family

ID=44905977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11778790.3A Not-in-force EP2625343B8 (fr) 2010-10-08 2011-09-30 Fondation d'une éolienne

Country Status (8)

Country Link
US (1) US8833004B2 (fr)
EP (1) EP2625343B8 (fr)
JP (1) JP2013542364A (fr)
CN (1) CN103210151B (fr)
CA (1) CA2813670C (fr)
DE (1) DE102010047773B4 (fr)
RU (1) RU2013120912A (fr)
WO (1) WO2012045413A1 (fr)

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CN205688927U (zh) 2013-05-10 2016-11-16 艾瑞电信公司 用于单极子的底座和单极子结构
US8919051B1 (en) * 2013-12-02 2014-12-30 Abel Echemendia Tower with exterior cable support and a modular base
US9617704B2 (en) * 2014-05-27 2017-04-11 One Energy Enterprises Llc Reinforcement assemblies, fixtures, and methods
DK3176329T3 (da) * 2014-07-30 2020-12-07 Dragados S A Tyngdekraftsbaseret fundament til offshorevindmøller
DE102015203574A1 (de) * 2015-02-27 2016-09-01 Wobben Properties Gmbh Windenergieanlagen-Fundament und Windenergieanlage
US9938685B2 (en) 2015-07-15 2018-04-10 Rute Foundation Systems, Inc. Beam and pile anchor foundation for towers
WO2017011681A1 (fr) * 2015-07-15 2017-01-19 Rute Foundation Systems, Inc. Fondation d'ancrage de poutrelle et de pieu pour tours
EP3390729B1 (fr) * 2015-12-17 2023-09-20 Vestas Wind Systems A/S Fondation d' une aéolienne
AT517958B1 (de) * 2016-02-18 2017-06-15 Holcim Technology Ltd Fundament für ein Windrad
AT517959B1 (de) 2016-02-18 2017-06-15 Holcim Technology Ltd Fundament für ein Windrad
AT519190A1 (de) * 2016-09-26 2018-04-15 Holcim Technology Ltd Fundament für eine Windmühle
AT520607B1 (de) * 2017-11-13 2021-08-15 Schmidt Michael Fundament für einen Turm für eine Windenergieanlage
DE102018106998A1 (de) * 2018-03-23 2019-09-26 Wobben Properties Gmbh Halbfertigteil für ein Fundament eines Turmbauwerks, Halbfertigteil-Fundamentsegment, Fundament, Verfahren zum Herstellen eines Halbfertigteils sowie Verfahren zum Herstellen eines Fundaments
CN108643682B (zh) * 2018-07-25 2023-08-29 正华钢构(广东)股份有限公司 钢结构立柱固定用预制底座
CN108643681B (zh) * 2018-07-25 2023-06-09 正华钢构(广东)股份有限公司 钢结构管件与预制基座的抗震连接结构
CN112585320B (zh) * 2018-08-14 2023-01-03 兰普雷尔能源有限公司 格架设备及其使用和制造方法
CA3057491C (fr) 2018-10-04 2023-10-10 Cory Williams Fondation d`eolienne et methode de construction
AT522250A1 (de) * 2019-02-28 2020-09-15 Holcim Technology Ltd Fundament für eine Windkraftanlage

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Also Published As

Publication number Publication date
CA2813670C (fr) 2015-05-05
CN103210151B (zh) 2015-08-05
US20130326970A1 (en) 2013-12-12
EP2625343B8 (fr) 2014-02-12
EP2625343B1 (fr) 2013-12-25
RU2013120912A (ru) 2014-11-20
CA2813670A1 (fr) 2012-04-12
DE102010047773B4 (de) 2012-08-09
WO2012045413A1 (fr) 2012-04-12
US8833004B2 (en) 2014-09-16
CN103210151A (zh) 2013-07-17
JP2013542364A (ja) 2013-11-21
DE102010047773A1 (de) 2012-04-12

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