EP2333163A1 - Structure offshore - Google Patents

Structure offshore Download PDF

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Publication number
EP2333163A1
EP2333163A1 EP09015367A EP09015367A EP2333163A1 EP 2333163 A1 EP2333163 A1 EP 2333163A1 EP 09015367 A EP09015367 A EP 09015367A EP 09015367 A EP09015367 A EP 09015367A EP 2333163 A1 EP2333163 A1 EP 2333163A1
Authority
EP
European Patent Office
Prior art keywords
plates
transition piece
offshore
foundation structure
structure according
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
EP09015367A
Other languages
German (de)
English (en)
Other versions
EP2333163B1 (fr
Inventor
Falk Lüddecke
Dirk Kassen
René Surma
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.)
Weserwind Offshore Construction Georgsmarienhuette GmbH
Original Assignee
WeserWind 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42173336&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2333163(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by WeserWind GmbH filed Critical WeserWind GmbH
Priority to EP09015367.7A priority Critical patent/EP2333163B1/fr
Priority to DK09015367.7T priority patent/DK2333163T3/da
Publication of EP2333163A1 publication Critical patent/EP2333163A1/fr
Application granted granted Critical
Publication of EP2333163B1 publication Critical patent/EP2333163B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0004—Nodal points
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0017—Means for protecting offshore constructions
    • E02B17/003—Fenders
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0034—Maintenance, repair or inspection of offshore constructions
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056—Platforms with supporting legs
    • E02B2017/006—Platforms with supporting legs with lattice style supporting legs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0091—Offshore structures for wind turbines

Definitions

  • the invention relates to an offshore structure, such as an offshore wind turbine, an offshore substation or the like, according to the preamble of claim 1.
  • Offshore structures of the type mentioned here are usually installed and operated offshore in the open sea.
  • the founding structure of an offshore structure is predominantly below the water surface, where it is firmly anchored to the seabed, but partly protrudes up out of the water, where a structure, such as a container or a tower of a wind turbine, is attached.
  • the founding structures discussed here for example so-called jacket structures, have a number of pillars extending from the seabed to above the water surface. Usually, three to six, usually four of these columns are present, which are connected by braces with each other such that the foundation structure tapers upwards, so the columns converge conically at a small angle.
  • the cross-sectional shape of the foundation structure is typically square in a four pillar jacket structure.
  • transition piece is arranged as part of the foundation structure.
  • the transition piece is used to initiate the forces acting on the structure in the foundation structure. Because a stable transition must be created by the typically centrally arranged structure on several individual columns of the foundation structure, such transition pieces usually have a complicated geometry.
  • a common embodiment of a transition piece has the shape of a cone, to which additional pipe shells are welded for reinforcement and better force introduction.
  • Another variant provides that a part of the transition piece is designed as a tube to which in turn are welded in the columns of the foundation structure connecting pipe ends.
  • a cross-shaped transition piece is used with a horizontally welded flat plate on which the structure is placed.
  • the invention is therefore an object of the invention to provide an offshore structure with a pillar having foundation structure and a transition piece for connection to a structure, the transition piece on the one hand should be easy to produce and on the other hand ensures improved application of force from the structure in the columns of the foundation structure.
  • the pillars of the foundation structure are connected to the transition piece of the foundation structure by plates. These plates are fastened on the one hand to the pillars of the foundation structure and on the other hand to the transition piece of the foundation structure.
  • the connection usually takes place by welding. While the joining of the plates to the transition piece preferably already takes place during production, the plates are usually connected to the pillars of the foundation structure only at the site of installation. Alternatively, the production of the connection between the plates and the transition piece can preferably be made only during the installation of the offshore structure.
  • the plates preferably have an at least substantially flat or flat shape. In particular, they can also be designed as stable sheets. Such flat plates are very easy to produce, since they can only be cut out of larger plate blanks without substantial further post-processing. In particular, no three-dimensional deformation of the plates, as for the production of pipes or shells necessary.
  • the plates are arranged such that they are arranged in almost parallel to a longitudinal central axis of the foundation structure and / or to a longitudinal central axis of the transition piece extending planes.
  • the longitudinal center axis of the foundation structure and the longitudinal center axis of the transition piece are preferably aligned parallel to one another, in particular even identical.
  • each column in particular with an end portion thereof, is connected to at least one of the plates. More preferably, each of the columns is connected to a plurality, in particular two plates, in order to increase the load capacity again.
  • the plate connected to the column is used in particular in a preferably slot-shaped recess of the column.
  • the recess of the column is formed in a form-fitting manner with respect to the plate, wherein the recess is cut or inserted in particular into the end region of the column.
  • a preferred tubular design of the columns are for receiving the same plate in particular mutually corresponding, preferably identically formed recesses in essentially opposite walls of the column embedded.
  • the recesses of the column for receiving the plates are preferably arranged symmetrically to the longitudinal center axis of the column. Thus, a uniform load distribution is achieved on the cross section of the column. In the case of one plate per column, this is preferably arranged centrically, with two or more plates per column, these are preferably distributed more or less uniformly over the cross section of the column.
  • the plate is preferably at least with the majority of its circumference on the pillar in the recess.
  • a plurality of plates are preferably connected to the same column (s).
  • a multiplication of the load and also a lateral stabilization of the plates is achieved.
  • a plurality, in particular in each case two of the plates are arranged at least substantially parallel to one another. Such an arrangement results in a uniformly distributed force application.
  • At least two of the plates are arranged at an angle to each other, preferably at least approximately at right angles.
  • the plates intersect at least in an imaginary cutting axis, wherein the cutting axis is preferably parallel to the longitudinal central axis of the foundation structure and / or the transition piece in the vicinity of this longitudinal central axis.
  • the transition piece has a basic shape, which is cylindrical, that corresponds to the shape of a cylinder.
  • the transition piece is designed as a hollow cylinder with a preferably comparatively thin wall, wherein the outer cylindrical wall surrounds a cavity.
  • Such a design contributes to an easily manufactured and yet stable construction of the transition piece and at the same time preferably provides space inside the transition piece, for example, as a usable interior for inspection, for the arrangement of system parts and the like.
  • the plates are arranged on the outside of the wall of the transition piece projecting laterally.
  • the plates on a flat and / or straight side surface or side edge, which is easy to manufacture and with a straight or flat surface of the transition piece is connectable.
  • the plates can thus be easily adapted to an at least partially planar, preferably cylindrical outer wall of the transition piece.
  • a cylindrical transition piece forms in the direction of the longitudinal central axis a flat surface, which is well suited for connection to a straight edge of the plate, in particular by welding.
  • At least one end-side cross-sectional area of the transition piece essentially corresponds to a corresponding end-side cross-sectional area of the construction, in particular of a tower of the construction.
  • the central axis of symmetry of the transition piece whose longitudinal center axis extends, preferably at least substantially parallel to the longitudinal central axis of the foundation structure.
  • the central axis of symmetry of the transition piece extends in a transition piece in a cylindrical shape along the Longitudinal central axis of this cylinder. Consequently, it is preferable that there is substantially a common longitudinal central axis of the foundation structure, the transition piece and the structure, in particular of the tower of the construction. Due to the corresponding design of the transition piece with an end region of the construction which is suitable for joining, a simple assembly with simultaneously good introduction of force from the structure into the foundation structure is ensured.
  • the transition piece on a flange which is particularly preferably used for releasable connection with a corresponding counterpart of the structure, in particular a tower of the structure.
  • the flange is designed as a screw with in particular a plurality of preferably uniformly distributed openings, preferably screw openings.
  • the flange may also be connectable to the structure by other suitable fastening means than screws. Alternatively, a fixed connection, for example by welding into consideration. With the help of the flange, the structure can be easily attached to the site after erection of the foundation structure at the same.
  • the plates and / or the wall of the transition piece serve as a boundary of a space enclosed by them, preferably an interior of the transition piece.
  • a space is preferably created within the transition piece, which is useful, for example, for committing or setting up technical units.
  • the opening is formed sufficiently large, so that it can be walked, for example, by a worker.
  • the opening is formed by a likewise accessible door closable.
  • a central access to the transition piece, in particular to its interior and possibly also to the construction or tower of the offshore structure is provided.
  • an additional opening, for example in the tower of a mounted wind turbine is no longer absolutely necessary, since this can already be entered from inside the transition piece out.
  • At least one reinforcing plate and / or stiffening plate is provided, which is preferably connected at an angle, in particular at least approximately at right angles, to at least one of the plates, preferably to two of the plates.
  • the at least one stiffening plate is arranged in an end region of the plate and connected thereto. With the help of at least one stiffening plate, the stability of the plates and thus the transition piece and the entire offshore structure is increased.
  • the at least one stiffening plate is preferably arranged substantially perpendicular to the longitudinal central axis of the foundation structure.
  • the stiffening plates are preferably arranged in horizontal planes in a vertical installation of the foundation structure, since the plates are preferably arranged substantially parallel to the longitudinal central axis of the foundation structure and thus in vertical installation of the foundation structure substantially in vertical or vertical planes.
  • the figures of the drawing show an embodiment of an offshore structure, such as an offshore wind turbine.
  • the offshore structure has a foundation structure 12, which is usually anchored firmly to the seabed.
  • foundation piles which are plugged into likewise not shown pile sleeves at a lower end portion of the foundation structure 10.
  • the foundation structure 10 has a transition piece 12 which is fixedly connected there to the foundation structure 10.
  • a tower 14 of a wind turbine, not shown here is placed on top of the transition piece 12 and connected thereto.
  • a platform 16 is additionally arranged on the transition piece 12 such that the tower 14 can be reached from all sides by this platform 16.
  • the foundation structure 10 is formed as a grid-like support structure. It is also referred to as a "jacket structure”. This has four columns 18, which at the four outer Corners of the foundation structure 10 form a square base. The columns 18 converge conically from the lower end region of the foundation structure 10 to its upper end region, on which the transition piece 12 is arranged, so that the foundation structure 10 tapers towards the top, that is, the cross-section decreases. In each case two adjacent columns 18 are interconnected by braces 20 extending at an angle to the columns 18. To stabilize the struts 20 intersect at an almost right angle in the area between two columns 18th
  • the connection of the transition piece 12 with the foundation structure 10 is particularly well in the representation of Fig. 3 to recognize.
  • the transition piece 12 has a relative to its dimensions comparatively thin, annular or cylindrical wall 22 which extends within the upper end portions 24 of the columns 18.
  • plates 26 are arranged, which are welded to both the respective end portion 24 of the column 18 and with the wall 22 of the transition piece 12. With each column 18 two plates 26 are connected in the present case. The two plates 26 are aligned substantially parallel to each other. In the usual vertical installation of the foundation structure 10, the orientation of the plates 26 is thus substantially vertical.
  • the plates 26 are mounted substantially perpendicular to the wall 22 projecting outwardly.
  • the tubular column 18 has a wall 22.
  • each two parallel, slot-shaped recesses 28 embedded in the walls 22.
  • a total of four recesses 28 per column 18 serve to receive two parallel plates 26, each two successively arranged in opposite walls of the column 18 recesses 28 form a pair for receiving a single plate 26 and are substantially identical in orientation and dimensions.
  • each recess 28 is designed for the positive reception of a respective plate 26.
  • the plates 26 protrude laterally and upwardly from the recesses 28 in the present case. But here is also a flush conclusion with the outer wall of the column 18 or a jump back against the same possible.
  • the recesses 28 are arranged such that they divide the column 18 in cross section into three substantially equal width sections. Again, a different distribution in case of need is easily conceivable.
  • the plates 26 are each in the Recess 28 by welding firmly connected to the column 18. The long circumferential welds ensure great durability.
  • stiffening plates may be provided, which are preferably aligned perpendicular to the plates 26 and fixedly connected to the plates.
  • these stiffening plates are perpendicular to the longitudinal central axis 52 of the foundation structure, that is aligned substantially horizontally.
  • the transition piece 12 has a flange 30.
  • This flange 30 is annular, corresponding to the likewise annular or cylindrical basic shape of the wall 22 of the transition piece 12.
  • the flange 30 corresponds to the flange 30 with a corresponding, not visible in the drawing flange at the bottom of the tower placed thereon 14.
  • the flange 30 is formed as a screw.
  • a plurality of screw holes 32 is inserted into the flange 30, which correspond with corresponding screw holes of the flange of the tower 14 and can be done by the example, a screw.
  • an opening 34 is inserted, through which the interior 36 of the transition piece 12 can be entered, for example, by maintenance personnel.
  • the opening 34 can additionally be closed by a door 38.
  • a technical device not shown here can be arranged in the interior 36 of the transition piece 12.
  • the opening 34 thus serves as access to the interior 36, but possibly also as a central access, for example, to the tower 14.
  • additional plates 40 are arranged in the interior 36 of the transition piece, which connect the extension of the outside of the transition piece 12 oppositely disposed plates 26 in the interior of the transition piece 12 together.
  • the plates 40 almost cross at the center of the transition piece 12, taking into account a slight offset by the respective parallel spaced plates 40.
  • continuous plates 26, 40 may be used, which are the respective Passage 22 on both sides, so that two opposite columns 18 are connected by two continuous, parallel plates 26 with each other.
  • the plates intersect with the plates 26 which are arranged perpendicular to them and connect the respective other pair of columns. Consequently, the plates 26 are to be welded together or arranged one above the other.
  • the plates 26, 40 are all disposed substantially parallel to the common longitudinal central axis 52 of the foundation structure 10, the transition piece 12 and the tower 14.
  • the flange 30 is placed in the present case as a flat ring on the wall 22 of the transition piece 12 and welded thereto, so that the latter is additionally reinforced.
  • the platform 16 is located approximately at the level of the flange 30 and slightly below it, as is well in Fig. 2 is recognizable.
  • the tower 14 as an access opening to the tower 14 also has an opening 42 with a door 44 which is accessible from the platform 16 from.
  • a fencing 46 is also provided at the edge of the platform 16.
  • two conductors 48 are arranged on the foundation structure 10.
  • the ladders terminate in the upper area in the platform 16 and at the lower end of cargo webs 50, which serve as access for the ladders 48 and are arranged approximately at sea level.
  • An additional exit of the conductor 48 may be arranged at the level of the opening 34 in the transition piece 12 to the same directly to the interior, the interior 36 to get.
  • horizontally extending sheets, plates, grids, grates or ladder designs are provided.
  • metallic materials in particular steels are used.
  • Preferred joining method for joining the components is welding, but other methods are also possible, provided the strength and stability is ensured.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)
  • Foundations (AREA)
EP09015367.7A 2009-12-11 2009-12-11 Structure offshore Not-in-force EP2333163B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09015367.7A EP2333163B1 (fr) 2009-12-11 2009-12-11 Structure offshore
DK09015367.7T DK2333163T3 (da) 2009-12-11 2009-12-11 Offshore-bygningskonstruktion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09015367.7A EP2333163B1 (fr) 2009-12-11 2009-12-11 Structure offshore

Publications (2)

Publication Number Publication Date
EP2333163A1 true EP2333163A1 (fr) 2011-06-15
EP2333163B1 EP2333163B1 (fr) 2013-09-04

Family

ID=42173336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09015367.7A Not-in-force EP2333163B1 (fr) 2009-12-11 2009-12-11 Structure offshore

Country Status (2)

Country Link
EP (1) EP2333163B1 (fr)
DK (1) DK2333163T3 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2647764A1 (fr) 2012-04-04 2013-10-09 STRABAG Offshore Wind GmbH Pièce de transition destinée à relier un pied de tour ou de mât à l'extrémité supérieure d'une structure de fondation en treillis dans la zone en mer
WO2014095252A1 (fr) * 2012-12-17 2014-06-26 Thyssenkrupp Steel Europe Ag Élément de transition destiné à être disposé entre des portions exécutées différemment d'une tour d'éolienne et tour d'éolienne équipée dudit élément de transition
WO2015039852A1 (fr) * 2013-09-23 2015-03-26 Thyssenkrupp Steel Europe Ag Élément de transition entre des parties d'une tour d'une éolienne et tour d'une éolienne comportant un élément de transition
CN105201010A (zh) * 2015-09-30 2015-12-30 浙江大学 海上风机装配式斜桩基础
DE102014219482A1 (de) 2014-09-25 2016-03-31 Rwe Innogy Gmbh Übergangsstück für Windenergieanlagen und Anschlussbauwerke
EP3115601A4 (fr) * 2014-03-04 2017-11-08 Nabrawind SL Liaison entre mât en treillis et nacelle
EP3369925A1 (fr) 2017-03-01 2018-09-05 GRI Renewable Industries, S.L. Système d'assemblage entre un arbre principal de tour d'éolienne et des éléments de renfort et tour d'éolienne
EP3492736A1 (fr) 2017-12-04 2019-06-05 GRI Renewable Industries, S.L. Système de couplage d'entretoises à une tour centrale d'une turbine éolienne et tour de turbine éolienne
CN110790122A (zh) * 2019-11-15 2020-02-14 南通泰胜蓝岛海洋工程有限公司 一种升压站项目主吊耳及其施工工艺
CN113882422A (zh) * 2021-10-15 2022-01-04 福建省水利水电勘测设计研究院 海上风电导管架基础过渡段结构及其制作方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146365A2 (fr) 1983-12-19 1985-06-26 Mcdermott International, Inc. Dispositif de guidage de colonne montante pour plate-forme de puits sous-marin
US6039507A (en) 1998-06-26 2000-03-21 Atlantic Richfield Company Method and device for assembling cluster platforms

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146365A2 (fr) 1983-12-19 1985-06-26 Mcdermott International, Inc. Dispositif de guidage de colonne montante pour plate-forme de puits sous-marin
US6039507A (en) 1998-06-26 2000-03-21 Atlantic Richfield Company Method and device for assembling cluster platforms

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2647764A1 (fr) 2012-04-04 2013-10-09 STRABAG Offshore Wind GmbH Pièce de transition destinée à relier un pied de tour ou de mât à l'extrémité supérieure d'une structure de fondation en treillis dans la zone en mer
DE102012006851A1 (de) 2012-04-04 2013-10-10 Strabag Offshore Wind Gmbh Übergangsstück zur Verbindung eines Turm- oder Mastfußes mit dem oberen Ende einer gitterartigen Gründungsstruktur im Offshore-Bereich
US9487945B2 (en) 2012-12-17 2016-11-08 Thyssenkrupp Steel Europe Ag Transition body for arranging between differently designed sections of a wind power plant tower and wind power plant tower with such a transition body
CN105190028A (zh) * 2012-12-17 2015-12-23 蒂森克虏伯钢铁欧洲股份公司 设置在风能设备塔架的不同配置截面之间的过渡体以及具有所述过渡体的风能设备塔架
WO2014095252A1 (fr) * 2012-12-17 2014-06-26 Thyssenkrupp Steel Europe Ag Élément de transition destiné à être disposé entre des portions exécutées différemment d'une tour d'éolienne et tour d'éolienne équipée dudit élément de transition
US10001111B2 (en) 2013-09-23 2018-06-19 Thyssenkrupp Steel Europe Ag Transition body between tower sections of a wind turbine and wind turbine tower comprising same
WO2015039852A1 (fr) * 2013-09-23 2015-03-26 Thyssenkrupp Steel Europe Ag Élément de transition entre des parties d'une tour d'une éolienne et tour d'une éolienne comportant un élément de transition
EP3115601A4 (fr) * 2014-03-04 2017-11-08 Nabrawind SL Liaison entre mât en treillis et nacelle
US10184260B2 (en) 2014-09-25 2019-01-22 Innogy Se Transition piece for wind turbines and connecting structures
DE102014219482A1 (de) 2014-09-25 2016-03-31 Rwe Innogy Gmbh Übergangsstück für Windenergieanlagen und Anschlussbauwerke
WO2016046046A1 (fr) 2014-09-25 2016-03-31 Rwe Innogy Gmbh Piece de transition pour eoliennes et structures de liaison
CN105201010B (zh) * 2015-09-30 2017-08-15 浙江大学 海上风机装配式斜桩基础
CN105201010A (zh) * 2015-09-30 2015-12-30 浙江大学 海上风机装配式斜桩基础
EP3369925A1 (fr) 2017-03-01 2018-09-05 GRI Renewable Industries, S.L. Système d'assemblage entre un arbre principal de tour d'éolienne et des éléments de renfort et tour d'éolienne
EP3492736A1 (fr) 2017-12-04 2019-06-05 GRI Renewable Industries, S.L. Système de couplage d'entretoises à une tour centrale d'une turbine éolienne et tour de turbine éolienne
CN110790122A (zh) * 2019-11-15 2020-02-14 南通泰胜蓝岛海洋工程有限公司 一种升压站项目主吊耳及其施工工艺
CN113882422A (zh) * 2021-10-15 2022-01-04 福建省水利水电勘测设计研究院 海上风电导管架基础过渡段结构及其制作方法
CN113882422B (zh) * 2021-10-15 2023-03-07 福建省水利水电勘测设计研究院 海上风电导管架基础过渡段结构及其制作方法

Also Published As

Publication number Publication date
DK2333163T3 (da) 2013-12-16
EP2333163B1 (fr) 2013-09-04

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