EP1631722A2 - Fondations pour installation d'energie eolienne - Google Patents

Fondations pour installation d'energie eolienne

Info

Publication number
EP1631722A2
EP1631722A2 EP04731827A EP04731827A EP1631722A2 EP 1631722 A2 EP1631722 A2 EP 1631722A2 EP 04731827 A EP04731827 A EP 04731827A EP 04731827 A EP04731827 A EP 04731827A EP 1631722 A2 EP1631722 A2 EP 1631722A2
Authority
EP
European Patent Office
Prior art keywords
foundation
foot
base element
modules
holes
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.)
Withdrawn
Application number
EP04731827A
Other languages
German (de)
English (en)
Inventor
Aloys Wobben
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.)
Wobben Properties GmbH
Original Assignee
Wobben Properties 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 Wobben Properties GmbH filed Critical Wobben Properties GmbH
Publication of EP1631722A2 publication Critical patent/EP1631722A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • 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
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22—Sockets or holders for poles or posts
    • E04H12/2253—Mounting poles or posts to the holder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22—Foundations specially adapted for wind motors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/30—Miscellaneous comprising anchoring details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Definitions

  • the present invention relates to a foundation for a wind energy installation and a wind energy installation with such a foundation.
  • the foundations for wind turbines have essentially been produced by excavating a construction pit, introducing a cleanliness layer, installing a foundation installation part, performing the required reinforcement work and then filling the construction pit with cement, the cement being transported to the required location using cement trucks and into the construction pit is poured.
  • the foundation installation part is usually designed as a hollow cylinder and is generally prefabricated and transported as a whole to the respective installation location.
  • the invention is based on the idea of producing the elements that are important for the statics of the foundation of the wind power installation in advance.
  • the foundation has a foundation base element 20 and at least two foundation foot modules 10, wherein the foot modules can be fastened to the base element 20 and wherein the base element 20 and the at least two foot modules 10 represent prefabricated elements. Because the foundation does not consist of one floor, but consists of several elements, these elements can be transported separately and assembled on site, whereby the quality achieved by manufacturing in a factory is not impaired. Since the Elements of the foundation have not insignificant dimensions, it is much easier to transport only the individual elements.
  • the foundation base element is designed as a hollow cylinder and the foundation foot modules 10 are aligned radially to the axis of symmetry of the foundation base element.
  • the radial alignment of the foot modules ensures the required statics of the foundation, since the foot modules are attached around the base element as required ; can.
  • the foot modules can be fastened in the cavity of the base element using suitable fastening means.
  • the foot module each has a foot plate and a foot support element, which are each arranged radially to the axis of symmetry of the base element.
  • the foot support element is perpendicular to the footplate while the footplate is arranged substantially perpendicular to the axis of symmetry of the base element in the fastened state. The static forces acting on the wind turbine are better dissipated to the ground by the base plate and the support element.
  • the height of the support element decreases radially outward. This tapering of the support element towards the outside also serves to improve the statics.
  • the width of the base plate increases radially outwards, which also serves to improve the statics.
  • both the support elements and the foot plates have radially aligned through holes.
  • the base element has corresponding through holes, so that the foot modules can be fastened to the base element, for example with the aid of suitable fastening means, by means of these through holes.
  • the foot plates and / or the support elements have further through holes which have a diameter which allows lashing straps to be passed through them during transport in order to securely fasten the foot modules.
  • the base element and the foot modules consist of reinforced concrete.
  • Figure 1 is a perspective view of a foundation according to a first embodiment.
  • FIG. 2a to c show different views of the foundation from FIG. 1;
  • FIG. 5a and b are a top and a side view of foundation feet according to FIG. 4a, which are stacked for transport;
  • FIG. 6 shows a perspective view of a foundation according to a second exemplary embodiment
  • Fig. 7 is a perspective view of an element of the
  • FIG. 8 is a top view of an element of the foundation of FIG. 6.
  • the foundation 1 shows a perspective view of the foundation according to a first exemplary embodiment of the invention.
  • the foundation 1 essentially consists of a hollow cylindrical base element 20 and a multiplicity of foot modules 10, which are aligned evenly distributed over its circumference radially to the longitudinal axis or axis of symmetry of the base element 20.
  • FIG. 2a shows a top view of the foundation 1 from FIG. 1.
  • a plurality of holes 21 are arranged around the circumference of the hollow cylindrical base element 20. These holes are intended to accommodate fasteners by means of which a tower of a wind turbine can be fastened to the foundation 1.
  • the foot modules 10 consist of a foot plate 11 and a support element 12.
  • the various foot modules 10 are each spaced apart by 36 °, so that 10 foot elements can be attached around the base element 20. Of course, both more and fewer foot modules can be arranged around the base element 20 in order to ensure the required structural requirements.
  • the base plates 11 of the base modules 10 are arranged in one plane and perpendicular to the axis of symmetry of the hollow cylindrical base element 20.
  • the support elements 12 are also aligned perpendicular to the base plate 11 and radially to the axis of symmetry of the base element 20, the support element 12 being centered on the base plate 11.
  • the base element 20 has a lower section 22 with a greater thickness than the upper section, on which the holes 21 are provided.
  • Fig. 2c shows a sectional view along the section A-A in Fig. 2b.
  • the thickness of the base plate 11 is essentially constant, while the height of the support element 12 decreases towards the outside.
  • a radially aligned through hole 14 is present in the support element 12.
  • Two through holes 15 are provided in the base plate 11, which are also aligned radially to the axis of symmetry. These through holes 14 and 15 serve to enable the foot modules 10 to be attached to the base element 20, for example with the aid of fastening means.
  • FIG. 4a to e show views of the foot module 10 from FIG. 2a.
  • 4a shows a perspective view of the foot module 10 with the footplate 11 and the support element 12 arranged perpendicularly thereto.
  • the footplate has an inside 11a and an outside 11b.
  • the foot module 10 is attached to the base member 20 with the inside 11a of the foot plate 11.
  • FIG. 4b shows a top view of the foot module 10 from FIG. 4a.
  • the width 11c of the foot plate 11 increases towards the outside.
  • both the inside 11a and the outside 11b of the footplate are curved.
  • the curvature of the inside 11a of the foot plate 11 is adapted to the outside curvature of the base element 20 so that the foot module 10 can be firmly attached to the base element 20.
  • FIG. 4c shows a side view of the foot module 10 from FIG. 4a, this view representing the outside of the foot module 10.
  • this view representing the outside of the foot module 10.
  • the outside 11 b of the foot plate 11 and the outside 12 b of the support element 12 and the two through holes 15 in the foot plate 11 are shown.
  • FIG. 4d shows a side view of the foot module 10 from FIG. 4a.
  • the height 12c of the support element 12 decreases from the inside 12a of the support element 12 to the outside 12b.
  • the through holes 14 in the support element 12 and the through holes 15 in the base plate 11 are also shown.
  • FIG 4e shows the side of the foot module 10 facing the base element 20.
  • the through holes 14 in the support element 12 and the through holes 15 in the foot plate 11 are also shown here.
  • FIGS. 5a and 5b A transport arrangement of a plurality of foot modules 10 is shown in FIGS. 5a and 5b.
  • the various foot modules are stacked on top of one another in such a way that the support elements 12 of two foot modules 10 face each other.
  • 4 foot modules 10 are attached to a pallet 100 in this way.
  • the foot modules 10 are stacked offset from one another.
  • the foot modules 10 can optionally be provided with further through holes. These through holes should be designed in such a way that standard lashing straps can be passed through them so that the foot modules 10 can be securely attached.
  • the provision of such through holes is not a major problem in the manufacture of the foot modules 10, since the holes can be drilled without problems in the factory or corresponding molds can be provided.
  • the statics of the foot modules 10 are not impaired by such through holes.
  • alignment elements can be provided below some of the foot plates 11 or between the foot modules 10 and the base element 20 in order to ensure a precise horizontal alignment of the foundation.
  • the foundation of a wind power plant Due to the modular construction of the foundation of a wind power plant according to the exemplary embodiment of the invention, it is possible to manufacture both the base element 20 and the foot modules 10 in advance in a factory and then to transport them to the installation site.
  • This pre-processing in a factory guarantees a constant quality of the foundations for the wind energy plants.
  • the foundation of a wind turbine can be laid in almost all weather conditions.
  • an excavation pit is first dug and, if appropriate, a cleanliness layer is applied.
  • the base element 20 is then set up and the foot modules 10 are fastened to the base element 20 by means of suitable fastening means. Subsequently, the foundation can be reinforced, after which the construction pit can be filled with concrete.
  • each foot module has a segment section of the base element.
  • the hollow cylindrical base element is divided into a plurality of sections, which are each part of the foot module 10.
  • each foot module 10 has a flange section 60, which in turn is provided with the appropriate holes in order to fasten the corresponding tower segments of a wind power plant to it.
  • FIG. 7 shows a perspective drawing of an individual foot module 10 according to the second exemplary embodiment.
  • the foot module in turn has a foot plate 11 and a support element 12 and a base element section 20a. Holes 15 are provided on the base element 20a, which holes are intended to connect the foot modules to one another. This connection between the foot modules 10 can be made by means of appropriate screw connections or other connections.
  • a flange section 60 for fastening corresponding tower segments is likewise provided on the base element section.
  • FIG. 8 shows a top view of a foot module 10 from FIG. 6 or 7.
  • the width of the foot modules 10 or of the foot plates 11 essentially depends on the number of foot modules 10 provided.
  • a complete circular foundation with an already integrated foundation section for a wind energy installation is obtained.
  • lateral plates can be arranged on the base element sections 20a.
  • 8 shows, among other things, the screws for connecting the respective foot modules 10 and the anchoring of the base element of the foundation section in the foot element (left part of FIG. 8).
  • the foundation according to the second exemplary embodiment can be manufactured in advance, so that the foundation or the foot modules must / must be assembled at the installation site.
  • wind turbines are mentioned in the present application, this means in particular that they are wind turbines that assume a certain size, ie. H. z. B. have a nominal power in the range of about 300 kW to 2 MW, preferably 600 kW and have a hub height (ie tower height) of about 45 to 85 m.
  • the present application is particularly well suited for the construction of an Enercon type E40 or E66 wind turbine with the known tower or hub heights and performance data.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Wind Motors (AREA)
  • Foundations (AREA)

Abstract

La présente invention concerne la préfabrication des éléments importants pour la statique des fondations d'installations d'énergie éolienne, c'est-à-dire les éléments de support et de stabilisation latérale des fondations.
EP04731827A 2003-05-13 2004-05-08 Fondations pour installation d'energie eolienne Withdrawn EP1631722A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10321647A DE10321647A1 (de) 2003-05-13 2003-05-13 Fundament für eine Windenergieanlage
PCT/EP2004/004939 WO2004101898A2 (fr) 2003-05-13 2004-05-08 Fondations pour installation d'energie eolienne

Publications (1)

Publication Number Publication Date
EP1631722A2 true EP1631722A2 (fr) 2006-03-08

Family

ID=33394573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04731827A Withdrawn EP1631722A2 (fr) 2003-05-13 2004-05-08 Fondations pour installation d'energie eolienne

Country Status (11)

Country Link
US (1) US20070181767A1 (fr)
EP (1) EP1631722A2 (fr)
JP (1) JP4146487B2 (fr)
KR (1) KR100785358B1 (fr)
CN (1) CN100513706C (fr)
AR (1) AR044316A1 (fr)
AU (1) AU2004238973B2 (fr)
BR (1) BRPI0410248B1 (fr)
CA (1) CA2524931C (fr)
DE (1) DE10321647A1 (fr)
WO (1) WO2004101898A2 (fr)

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DE102020125918A1 (de) 2020-10-04 2022-04-07 Anker Foundations GmbH Fundament für eine Windkraftanlage
DE202020105643U1 (de) 2020-09-29 2022-01-04 Anker Foundations GmbH Fundament für eine Windkraftanlage
DE202020106971U1 (de) 2020-10-04 2022-01-07 Anker Foundations GmbH Fundament für eine Windkraftanlage
DE102021125328A1 (de) 2020-09-29 2022-03-31 Anker Foundations GmbH Ankerkorb für ein Fundament für eine Windkraftanlage
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DE10321647A1 (de) 2004-12-02
AU2004238973A1 (en) 2004-11-25
CN1784528A (zh) 2006-06-07
WO2004101898A2 (fr) 2004-11-25
US20070181767A1 (en) 2007-08-09
BRPI0410248B1 (pt) 2015-12-08
CA2524931C (fr) 2010-08-10
AR044316A1 (es) 2005-09-07
CA2524931A1 (fr) 2004-11-25
BRPI0410248A (pt) 2006-05-16
JP2006526095A (ja) 2006-11-16
WO2004101898A3 (fr) 2005-01-06
JP4146487B2 (ja) 2008-09-10
KR100785358B1 (ko) 2007-12-18
AU2004238973B2 (en) 2008-10-30
KR20060016782A (ko) 2006-02-22

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