CN106049525A - Polygonal offshore wind power barrel-shaped foundation - Google Patents
Polygonal offshore wind power barrel-shaped foundation Download PDFInfo
- Publication number
- CN106049525A CN106049525A CN201610619542.6A CN201610619542A CN106049525A CN 106049525 A CN106049525 A CN 106049525A CN 201610619542 A CN201610619542 A CN 201610619542A CN 106049525 A CN106049525 A CN 106049525A
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- China
- Prior art keywords
- barrel
- polygon
- offshore wind
- wall
- top cover
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Classifications
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- 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
Abstract
The invention relates to an offshore wind power foundation structure, and discloses a polygonal offshore wind power barrel-shaped foundation. The polygonal offshore wind power barrel-shaped foundation is composed of a polygonal barrel-shaped structure on the lower portion and a truss structure on the upper portion. The polygonal barrel-shaped structure is of a semi-sealed structure with an opening in the lower portion, wherein the semi-sealed structure is composed of a barrel wall and a top cover. Primary beams and secondary beams are arranged on the upper surface of the top cover. The truss structure comprises a transition segment arranged above the center of the polygonal barrel-shaped structure. Supporting steel pipes are annularly and evenly arranged with the transition segment as the center. The bottom ends of the supporting steel pipes are fixed to the inner side of the polygonal barrel-shaped structure. The upper portion of each supporting steel pipe is fixedly connected with the transition segment through an upper connecting steel pipe and a lower connecting steel pipe. The polygonal offshore wind power barrel-shaped foundation is suitable for the soft layer marine geology condition that the surface layer of a seabed has large thickness; the polygonal offshore wind power barrel-shaped foundation is simple in structure, safe and reliable, can be overall prefabricated on land and has self-floating capacity; quick sinking mounting is carried out through negative pressure; construction efficiency and quality are effectively improved; the construction cost is reduced; and the development of the offshore wind power industry of our country is promoted.
Description
Technical field
The present invention relates to offshore wind power foundation structure, specifically, relate to a kind of polygonal offshore wind farm cartridge type base
Plinth.
Background technology
Wind energy is favored by various countries energy development person as green clean reproducible energy.The China of restriction at present is marine
One of bottleneck of wind electricity large-scale exploitation is just a lack of being suitable for China's ocean feature and the offshore wind power foundation structure of economic security.
Offshore wind power foundation structural shape is varied, including many pile leaders frame, single pile, spider basis, gravity type foundation, tubular base
Plinth and floatation type basis etc..
Bucket foundation is the base structure form of a kind of applicable soft soil foundation, and it uses the mode that deadweight and negative pressure combine
Can be rapidly completed Attention problems work, this has the biggest captivation to the wind energy turbine set that offshore construction window phase is short.At present
Offshore wind farm bucket foundation mostly is columnar structured, and difficulty of processing is bigger；The top cover on single cylinder type basis connects with sea bed mud face simultaneously
When touching, can only provide the ability of a small amount of opposing blower fan moment of flexure in the middle part of top cover, material property the most sufficiently utilizes.
Summary of the invention
The present invention, based on improving the utilization rate of material and reducing the purpose of base structure difficulty of processing, proposes a kind of polygon
Offshore wind farm bucket foundation, this base structure pattern is simple, easy for installation, safe and reliable, can be effectively improved efficiency of construction with
Quality, it is possible to efficient, economic, the safety that realize offshore wind farm are built.
In order to solve above-mentioned technical problem, the present invention is achieved by following technical scheme:
A kind of polygon offshore wind farm bucket foundation, it is characterised in that by the polygon cylindrical structure of bottom and top
Truss structure forms；
Described polygon cylindrical structure is the Semi-seal structure of the lower openings being made up of barrel and top cover, described barrel bag
Including the consistent polylith inwall of quantity, polylith outer wall and polylith sidewall, outer wall described in inwall described in polylith and polylith is respectively enclosed to many
Limit shape structure, outer wall described in polylith is set in parallel in inner wall outside described in polylith accordingly, the connecting line of adjacent described inwall with
Connect between the connecting line of its adjacent described outer wall correspondingly and have sidewall；The described top cover with polygon inner edge and outer rim sets
Being placed on described barrel, the inner edge of described top cover is connected with described inwall top and described outer wall top respectively with outer rim；
The upper surface of described top cover is provided with girder and secondary beam, and described girder corresponds to every piece of institute of described barrel on described top cover top
State inwall, described outer wall and described sidewall to arrange, set in every piece of separation block that described top cover top is marked off by described girder
It is equipped with many secondary beams of hoop and radially uniform layout；
Described truss structure includes being arranged at described polygon cartridge type along the vertical centrage of described polygon cylindrical structure
The changeover portion of superstructure, centered by described changeover portion annular be evenly arranged many from top to bottom ecto-entad tilt
Support steel pipe, the adjacent described girder handing-over inside described polygon cylindrical structure is fixed in the bottom of every described supporting steel pipe
Place, the top of every described supporting steel pipe is connected fixing with described changeover portion by upper and lower two joint steel pipes.
Wherein, inwall described in described barrel, described outer wall are consistent with the quantity of described sidewall, are 3-8 block.
Wherein, the limit number of described top cover inner edge and outer rim and inwall described in described barrel, described outer wall or described sidewall
Limit number consistent, be 3-8 block.
Wherein, the quantity of described girder is the quantity sum of inwall described in described barrel, described outer wall and described sidewall.
Wherein, hoop and radially uniform cloth set by every piece of separation block that described top cover top is marked off by described girder
The described secondary beam put, its quantity is 2～6.
Wherein, described supporting steel pipe is consistent with the quantity of inwall described in described barrel, is 3-8 root.
Wherein, the centrage of single described supporting steel pipe is generally aligned in the same plane with the centrage of described changeover portion, and single
The centrage of described supporting steel pipe is 5～25 degree with the centerlines of described changeover portion.
Wherein, the elevation angle of every described joint steel pipe is 0～25 degree.
The invention has the beneficial effects as follows:
The polygon offshore wind farm bucket foundation of the present invention is applicable to sea bed top layer and has the soft layer ocean of relatively deep thickness
Geological conditions, its structure is made up of, by truss structure and top cover the polygon cylindrical structure of bottom and the truss structure on top
Top girder and the effective force of secondary beam so that the huge bending moment that Wind turbines transmits be converted to less top cover pressure and
Barrel side friction, it is ensured that the distribution of force of polygon cylindrical structure is at whole top cover and barrel, it is to avoid traditional cartridge type base
Plinth only has in the middle part of top cover the problem providing a small amount of stress, makes material property sufficiently be utilized；And polygon cylindrical structure
Version has been significantly reduced difficulty of processing.It addition, total can be the most integral prefabricated, there is self-buoyancy, install
Time quickly sink to installing by negative pressure, therefore, it is possible to notable fall shortens the offshore construction activity duration, reduce construction cost, push away
The development of dynamic China offshore wind farm cause.
Accompanying drawing explanation
Fig. 1 is the elevation view of polygon offshore wind farm bucket foundation provided by the present invention；
Fig. 2 is the top view of polygon offshore wind farm bucket foundation provided by the present invention.
In above-mentioned figure: 1, girder；2, secondary beam；3, top cover；4, barrel；5, changeover portion；6, supporting steel pipe；7, joint steel pipe.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
Describe in detail as follows:
Embodiment 1
Present embodiment discloses a kind of polygon offshore wind farm bucket foundation, by polygon cylindrical structure and the top of bottom
Truss structure composition, generally steel construction.
Polygon cylindrical structure is made up of girder 1, secondary beam 2, top cover 3 and barrel 4.
Top cover 3 and barrel 4 constitute the Semi-seal structure of lower openings, so that polygon cylindrical structure can be by under negative pressure
Heavy mode is installed.Barrel 4 includes identical polylith inwall, identical polylith outer wall and identical polylith sidewall, inwall,
Outer wall is consistent with the quantity of sidewall, generally 3-8 block.Polylith inwall surrounds polygonized structure, and polylith outside wall parallel is in polylith
Wall arranges and surrounds polygonized structure, by weldering between the connecting line of the connecting line of adjacent inner wall and its corresponding ground adjoining outer walls
The mode connect connects sidewall.There is polygon inner edge and polygon outer rim (consistent with the quantity of inwall, outer wall and sidewall)
Top cover 3 is arranged on barrel 4, and the inner edge of top cover 3 and outer rim are passed through to weld with inwall top and the outer wall top of barrel 4 respectively
Mode be connected.Thus, polygon cylindrical structure includes that multiple cabin, each cabin are by top cover 3 and four pieces of barrels 4 (
Block inwall, one piece of outer wall and two pieces of sidewalls) cross section that surrounds is the semitight space structure trapezoidal, Open Side Down.Many
Limit shape cylindrical structure uses plane steel plate, compared with common cylindrical foundation employing curved plate, significantly reduces difficulty of processing；And by
Stress in Wind turbines is probably derived from multiple directions, and the polygon cylindrical structure of regular polygon is more beneficial for structure stress.
The upper surface of top cover 3 is welded with girder 1 and secondary beam 2, girder 1 and secondary beam 2 and is mainly transmitted by truss structure
Upper load effectively pass to top cover 3 and barrel 4.Girder 1 on top cover 3 top corresponding to every piece of inwall of barrel 4, outer wall and
Sidewall is provided above；Visible girder 1 divides multiple separation blocks at top cover 3 upper surface, is provided with 2～6 in each separation block
2,2～6 secondary beams 2 of root secondary beam in each separation block circumferentially with radially uniform layout, secondary beam 2 and girder 1 are to weld
Mode connects.
Truss structure is made up of changeover portion 5,3-8 root supporting steel pipe 6, joint steel pipe 7, it is possible to for top Wind turbines and
Effective force between the polygon cylindrical structure of bottom.
Changeover portion 5 is arranged at above polygon cylindrical structure along the vertically symmetrical centrage of polygon cylindrical structure.3-8 root
Supporting steel pipe 6 annular centered by changeover portion 5 is uniformly distributed, and 3-8 root supporting steel pipe 6 ecto-entad from top to bottom is obliquely installed,
The centrage of single supporting steel pipe 6 is generally aligned in the same plane with the centrage of changeover portion 5, and the centrage of single supporting steel pipe 6 with
The centerlines of changeover portion 5 is 5～25 degree.The bottom of every supporting steel pipe 6 is fixedly welded on inside polygon cylindrical structure
Adjacent girder 1 junction, the girder 1 inside polygon cylindrical structure is and is arranged at barrel 4 inwall upper position on top cover 3
Put the girder 1 at place.The top of every supporting steel pipe 6 is welded and fixed by upper and lower two joint steel pipes 7 with changeover portion 5, upper and lower
Two joint steel pipes 7 are and are horizontally disposed with；Usually, the elevation angle of every joint steel pipe 7 is in the range of 0～25 degree.
The polygon cylindrical structure of bottom and the truss structure on top form one by the connection of girder 1 and supporting steel pipe 6
Individual stable overall structure, so, the huge bending moment that Wind turbines transmits is by truss structure and girder 1 and secondary beam 2
Arrange and be converted to less top cover 3 pressure and less barrel 4 side friction, so that material property is fully utilized.
The installation method of above-mentioned polygon offshore wind farm bucket foundation, is carried out in accordance with the following steps:
(1) polygon offshore wind farm bucket foundation is manufactured the most in the factory；
(2) by Zi floating polygon offshore wind farm bucket foundation entirety towage to designated mounting place；
(3) by taking out negative pressure, polygon cylindrical structure is sunk to sea bed so that it is top cover is in close contact with sea bed face；
(4) polygon offshore wind farm bucket foundation installation, the follow-up installation carrying out Wind turbines.
Embodiment 2
As depicted in figs. 1 and 2, present embodiment discloses a kind of polygon offshore wind farm bucket foundation, polygon by bottom
The truss structure composition on shape cylindrical structure and top, generally steel construction.
The polygon cylindrical structure of the present embodiment is formed regular hexagon cartridge type knot by girder 1, secondary beam 2, top cover 3 and barrel 4
Structure, its outer length of side 18500mm, a length of 11000mm of inner edge.Barrel 4 includes identical six piece inwall, identical six pieces of outer walls and phases
Six pieces of same sidewalls.Six pieces of inwalls and six pieces of outer walls are respectively enclosed to hexagonal structure, and six pieces of outer walls are parallel corresponding to six pieces of inwalls
It is arranged at outside it, between the connecting line of the connecting line of adjacent inner wall and its corresponding ground adjoining outer walls, is welded with one piece of sidewall.
The top cover 3 with regular hexagon inner edge and regular hexagon outer rim is arranged on barrel 4, the inner edge of top cover 3 and outer rim respectively with
The inwall top of barrel 4 and the welding of outer wall top.Thus, polygon cylindrical structure includes six cabins, and each cabin is for by pushing up
The cross section that lid 3 and four pieces of barrels 4 (one piece of inwall, one piece of outer wall and two pieces of sidewalls) surround be trapezoidal, Open Side Down
Semitight space structure, wall thickness 25mm, highly 6000m, top cover 3 thickness 25mm.The upper surface of top cover 3 is provided with girder 1
With secondary beam 2, girder 1 is combination beam, and deck-molding 800mm, flange plate width 2000mm, thickness 45mm, web thickness 30mm, secondary beam is adopted
With the I-steel of I40a.Girder 1 corresponds to every piece of inwall, outer wall and the sidewall of barrel 4 and is provided above on top cover 3 top, it is seen that
Girder 1 divides multiple separation blocks at top cover 3 upper surface, is provided with five secondary beams 2, wherein three secondary beams in each separation block
2 in each separation block radially even layout, two secondary beams 2 are circumferentially evenly arranged in each separation block.Girder
1, by being welded to connect between secondary beam 2 and top cover 3.
Truss structure is made up of changeover portion 5,6,12 joint steel pipes 7 of six roots of sensation supporting steel pipe.Changeover portion 5 is diameter
5000mm, the steel pipe of wall thickness 80mm, highly 6000mm, changeover portion 5 is arranged along the vertically symmetrical centrage of polygon cylindrical structure
Above polygon cylindrical structure.Six roots of sensation supporting steel pipe 6 annular centered by changeover portion 5 is uniformly distributed, and from top to bottom by
It is obliquely installed outside to inside.The a diameter of 2000mm of supporting steel pipe 6, wall thickness 45mm, length 8000mm.The center of single supporting steel pipe 6
Line is generally aligned in the same plane with the centrage of changeover portion 5, and the centrage of single supporting steel pipe 6 and the centerlines of changeover portion 5
It it is 10 degree.The bottom of every supporting steel pipe 6 is fixedly welded on adjacent girder 1 junction inside polygon cylindrical structure, polygon
Girder 1 inside shape cylindrical structure is the girder 1 being arranged on top cover 3 at barrel 4 inwall top position.Every supporting steel
The top of pipe 6 is welded and fixed by upper and lower two horizontally disposed joint steel pipes 7 with changeover portion 5, and joint steel pipe 7 is a diameter of
1500mm, wall thickness 45mm, length is according to welding position requirements set.
Although the preferred embodiments of the present invention being described above in conjunction with accompanying drawing, but the invention is not limited in
The detailed description of the invention stated, above-mentioned detailed description of the invention is only schematically, is not restrictive, this area common
Technical staff, under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also may be used
To make the concrete conversion of a lot of form, within these belong to protection scope of the present invention.
Claims (8)
1. a polygon offshore wind farm bucket foundation, it is characterised in that by polygon cylindrical structure and the purlin on top of bottom
Shelf structure forms；
Described polygon cylindrical structure is the Semi-seal structure of the lower openings being made up of barrel and top cover, and described barrel includes number
Measuring consistent polylith inwall, polylith outer wall and polylith sidewall, outer wall described in inwall described in polylith and polylith is respectively enclosed to polygon
Structure, outer wall described in polylith is set in parallel in inner wall outside described in polylith, the connecting line of adjacent described inwall and its institute accordingly
Connect between the connecting line of the most adjacent described outer wall and have sidewall；The described top cover with polygon inner edge and outer rim is arranged at
On described barrel, the inner edge of described top cover is connected with described inwall top and described outer wall top respectively with outer rim；Described
The upper surface of top cover is provided with girder and secondary beam, and described girder is in described top cover top is described corresponding to every piece of described barrel
Wall, described outer wall and described sidewall are arranged, and are provided with in every piece of separation block that described top cover top is marked off by described girder
Hoop and many secondary beams of radially uniform layout；
Described truss structure includes being arranged at described polygon cylindrical structure along the vertical centrage of described polygon cylindrical structure
The changeover portion of top, centered by described changeover portion, annular is evenly arranged the many supporting steels that ecto-entad tilts from top to bottom
Pipe, the adjacent described girder junction inside described polygon cylindrical structure is fixed on, often in the bottom of every described supporting steel pipe
The top of supporting steel pipe described in root is connected fixing with described changeover portion by upper and lower two joint steel pipes.
A kind of polygon offshore wind farm bucket foundation the most according to claim 1, it is characterised in that described in described barrel
Inwall, described outer wall are consistent with the quantity of described sidewall, are 3-8 block.
A kind of polygon offshore wind farm bucket foundation the most according to claim 1, it is characterised in that described top cover inner edge and
The limit number of outer rim is consistent with the limit number of inwall described in described barrel, described outer wall or described sidewall, is 3-8 block.
A kind of polygon offshore wind farm bucket foundation the most according to claim 1, it is characterised in that the quantity of described girder
Quantity sum for inwall described in described barrel, described outer wall and described sidewall.
A kind of polygon offshore wind farm bucket foundation the most according to claim 1, it is characterised in that described top cover top by
Hoop and the described secondary beam of radially uniform layout set by every piece of separation block that described girder marks off, its quantity is respectively 2
～6.
A kind of polygon offshore wind farm bucket foundation the most according to claim 1, it is characterised in that described supporting steel pipe with
The quantity of inwall described in described barrel is consistent, is 3-8 root.
A kind of polygon offshore wind farm bucket foundation the most according to claim 1, it is characterised in that single described supporting steel
The centrage of pipe is generally aligned in the same plane with the centrage of described changeover portion, and the centrage of single described supporting steel pipe and described mistake
The centerlines of the section of crossing is 5～25 degree.
A kind of polygon offshore wind farm bucket foundation the most according to claim 1, it is characterised in that every described connection steel
The elevation angle of pipe is 0～25 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619542.6A CN106049525A (en) | 2016-07-27 | 2016-07-27 | Polygonal offshore wind power barrel-shaped foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619542.6A CN106049525A (en) | 2016-07-27 | 2016-07-27 | Polygonal offshore wind power barrel-shaped foundation |
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| CN106049525A true CN106049525A (en) | 2016-10-26 |
Family
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| CN201610619542.6A Pending CN106049525A (en) | 2016-07-27 | 2016-07-27 | Polygonal offshore wind power barrel-shaped foundation |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498947A (en) * | 2016-11-18 | 2017-03-15 | 天津港航工程有限公司 | Case cartridge type piling saddle and its construction technology |
| CN108894245A (en) * | 2018-08-30 | 2018-11-27 | 天津大学 | A kind of netted offshore wind power foundation |
| CN109024658A (en) * | 2018-08-30 | 2018-12-18 | 天津大学 | A kind of assembly gravity type offshore wind basis |
| CN109736343A (en) * | 2019-03-01 | 2019-05-10 | 江苏金风科技有限公司 | Offshore wind power foundation, its installation method and wind power generating set |
| CN110055995A (en) * | 2019-05-21 | 2019-07-26 | 上海勘测设计研究院有限公司 | A kind of offshore power generator foundation structure and its construction method |
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| CN111587305A (en) * | 2017-08-17 | 2020-08-25 | 西门子歌美飒可再生能源公司 | Sectional type suction bucket |
| CN111779020A (en) * | 2020-06-28 | 2020-10-16 | 中国电建集团华东勘测设计研究院有限公司 | Novel all-steel cylindrical foundation structure for offshore wind power |
| CN112112188A (en) * | 2020-09-30 | 2020-12-22 | 长江勘测规划设计研究有限责任公司 | Polygonal cylindrical foundation for offshore wind power |
| CN112127382A (en) * | 2020-09-30 | 2020-12-25 | 长江勘测规划设计研究有限责任公司 | Polygonal cylindrical foundation for offshore wind power sub-warehouse |
| CN112127385A (en) * | 2020-09-30 | 2020-12-25 | 长江勘测规划设计研究有限责任公司 | Self-supporting polygonal cylindrical foundation for offshore wind power |
| CN113356257A (en) * | 2021-06-15 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Offshore wind power single-cylinder jacket foundation structure |
| CN115045324A (en) * | 2022-07-26 | 2022-09-13 | 中山大学 | Offshore wind power composite suction cylinder foundation |
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| CN106498947A (en) * | 2016-11-18 | 2017-03-15 | 天津港航工程有限公司 | Case cartridge type piling saddle and its construction technology |
| CN111587305A (en) * | 2017-08-17 | 2020-08-25 | 西门子歌美飒可再生能源公司 | Sectional type suction bucket |
| US11261575B2 (en) | 2017-08-17 | 2022-03-01 | Aalborg University | Segmented suction bucket |
| CN108894245A (en) * | 2018-08-30 | 2018-11-27 | 天津大学 | A kind of netted offshore wind power foundation |
| CN109024658A (en) * | 2018-08-30 | 2018-12-18 | 天津大学 | A kind of assembly gravity type offshore wind basis |
| CN109736343A (en) * | 2019-03-01 | 2019-05-10 | 江苏金风科技有限公司 | Offshore wind power foundation, its installation method and wind power generating set |
| CN110055995A (en) * | 2019-05-21 | 2019-07-26 | 上海勘测设计研究院有限公司 | A kind of offshore power generator foundation structure and its construction method |
| CN110374820A (en) * | 2019-06-28 | 2019-10-25 | 天津大学 | A kind of separable ring cylinder buoyancy tank foundation structure and its construction method |
| CN110453712A (en) * | 2019-06-28 | 2019-11-15 | 天津大学 | A kind of combined cylinder buoyancy tank foundation structure and its construction method |
| CN110397068A (en) * | 2019-06-28 | 2019-11-01 | 天津大学 | More steel reinforced concrete combination foundation structures of one kind and its construction method |
| CN110397069A (en) * | 2019-06-28 | 2019-11-01 | 天津大学 | A kind of more cabin combination foundation structures of the monotubular with support construction and its construction method |
| CN110374820B (en) * | 2019-06-28 | 2023-12-19 | 天津大学 | Combined type ring cylinder buoyancy tank foundation structure and construction method thereof |
| CN110397069B (en) * | 2019-06-28 | 2024-03-08 | 天津大学 | Single-cylinder multi-cabin combined foundation structure with supporting structure and construction method thereof |
| CN110397068B (en) * | 2019-06-28 | 2024-03-08 | 天津大学 | Multi-cylinder steel-concrete combined foundation structure and construction method thereof |
| CN111779020A (en) * | 2020-06-28 | 2020-10-16 | 中国电建集团华东勘测设计研究院有限公司 | Novel all-steel cylindrical foundation structure for offshore wind power |
| CN112112188A (en) * | 2020-09-30 | 2020-12-22 | 长江勘测规划设计研究有限责任公司 | Polygonal cylindrical foundation for offshore wind power |
| CN112127382A (en) * | 2020-09-30 | 2020-12-25 | 长江勘测规划设计研究有限责任公司 | Polygonal cylindrical foundation for offshore wind power sub-warehouse |
| CN112127385A (en) * | 2020-09-30 | 2020-12-25 | 长江勘测规划设计研究有限责任公司 | Self-supporting polygonal cylindrical foundation for offshore wind power |
| CN113356257A (en) * | 2021-06-15 | 2021-09-07 | 中国电建集团华东勘测设计研究院有限公司 | Offshore wind power single-cylinder jacket foundation structure |
| CN115045324A (en) * | 2022-07-26 | 2022-09-13 | 中山大学 | Offshore wind power composite suction cylinder foundation |
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Application publication date: 20161026 |
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