CN110453714A - A kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure and its construction method - Google Patents

A kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure and its construction method Download PDF

Info

Publication number
CN110453714A
CN110453714A CN201910658364.1A CN201910658364A CN110453714A CN 110453714 A CN110453714 A CN 110453714A CN 201910658364 A CN201910658364 A CN 201910658364A CN 110453714 A CN110453714 A CN 110453714A
Authority
CN
China
Prior art keywords
subdivision
jacket
cylinder
armored concrete
steel framework
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
CN201910658364.1A
Other languages
Chinese (zh)
Other versions
CN110453714B (en
Inventor
乐丛欢
张浦阳
丁红岩
郭耀华
齐欣
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.)
Tianjin University
Original Assignee
Tianjin University
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 Tianjin University filed Critical Tianjin University
Priority to CN201910658364.1A priority Critical patent/CN110453714B/en
Publication of CN110453714A publication Critical patent/CN110453714A/en
Application granted granted Critical
Publication of CN110453714B publication Critical patent/CN110453714B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • E02D27/425Foundations for poles, masts or chimneys specially adapted for wind motors masts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/52Submerged foundations, i.e. submerged in open water

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)
  • Foundations (AREA)

Abstract

The invention belongs to offshore wind farm technical fields, disclose a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure and its construction method, the foundation structure includes armored concrete disk, armored concrete disk bottom edge is equipped with multiple arcs steel framework, and each subdivision of arc steel framework is provided with ventilation/water hole for connecting suction pump valve;Armored concrete disk top is equipped with jacket, and the main leg bottom of jacket is connected separately with subdivision cylinder, passes through grouting connection between subdivision cylinder and the reserved slot of armored concrete disk;Its construction method include prefabricated on the bank, transportation by driving support boat, substep sinking, grouting connect and etc..Structure of the invention form is simple, it can be achieved that land batch is prefabricated, and applicable depth of water range is wider, matter orographic condition requires low over the ground, with very strong practicability, efficiency of installing software can be significantly improved, reduce installation cost, realize quick, economic, convenient and fast offshore wind farm unit installation process.

Description

A kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure and its construction method
Technical field
The present invention relates to offshore wind farm technical fields, in particular to a kind of offshore foundation structure and its construction party Method.
Background technique
Wind energy and solar radiant energy are considered as the renewable resource for being best suitable for human development requirement.Wherein, wind energy has again Have the advantages that environmental hazard is small, resource distribution is extensive, be suitable for developing on the spot, can be utilized on a large scale.Wind resource It is mainly wind-power electricity generation using form, is divided into two class of land wind-powered electricity generation and offshore wind farm.Wherein, offshore wind turbine will not only be born huge Wind load, still suffer from the complex environments load such as wave, ocean current.Therefore, the construction of offshore wind turbine, especially offshore wind turbine The construction difficulty on basis is more than land wind power plant difficulty.
Mainly there are single-pile foundation, High-Rise Pile Cap Foundation, gravity type foundation, suction cartridge type base in basis relatively conventional at present Plinth, tripod basis, jacket basis etc..Wherein, single-pile foundation is most commonly seen, generally requires to employ in the construction process big Type machinery is driven piles, more demanding to marine climate condition, and construction cost is more high.Gravity type foundation structure form letter Single, the requirement to geological conditions and landform is lower, but there is certain difficulty during transportation and be suitable for the shallower sea of the depth of water Domain.Jacket mass of foundation is light, intensity is high, can be applied to deep-sea field, but existing jacket structure bottom mostly uses beat greatly The mode of stake is fixed, and construction cost is high.
Summary of the invention
The present invention puts forth effort on solution above-mentioned technical problem, proposes and a kind of by gravity type foundation, suction cartridge type basis and leads The offshore wind farm jacket gravity type cylinder-shaped foundation structure that the advantage on pipe support basis combines, and propose its construction method.This Inventive structure form is simple, and, it can be achieved that land batch is prefabricated, applicable depth of water range is wider, and matter orographic condition requires low over the ground, With very strong practicability, efficiency of installing software can be significantly improved, reduce installation cost, overcome traditional offshore wind power foundation installation Disadvantage long in time limit, work is complicated, difficulty is big, realizes quick, economic, convenient and fast offshore wind farm unit installation process.
In order to solve the above-mentioned technical problem, the present invention is achieved by technical solution below:
A kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure, including armored concrete disk, the reinforced concrete Native disk bottom edge is equipped with the uniformly distributed arc steel framework of multiple concentric circles, each arc-shaped steel frame bottom opening, top It pouring and is fixed on the armored concrete disk, the arc steel framework is internally provided with subdivision, and each point of the arc steel framework Cabin is provided with ventilation/water hole for connecting suction pump valve;The armored concrete disk is set between the arc steel framework It is equipped with reserved slot;Armored concrete disk top is equipped with jacket, and the main leg bottom of the jacket is separately connected There is subdivision cylinder, passes through grouting connection between the subdivision cylinder and the reserved slot.
Further, the quantity of the arc steel framework is 3-6.
Further, the quantity for the subdivision being arranged inside the arc steel framework is 4-8.
Further, the quantity of the subdivision cylinder is 3-6.
Further, the subdivision cylinder includes cover board, the top sheath skirt for being set to the cover board or more and is set to described Cover board lower part sheath skirt below is provided with grout hole on the cover board, and the lower part sheath skirt is internally provided with subdivision.
Further, the quantity for the subdivision being arranged inside the subdivision cylinder is 4-8.
Further, the main leg bottom of the jacket, which is provided with, reinforces chord member and reinforces strut, the reinforcement chord member Caliber and wall thickness are all larger than the chord member of the main part of the jacket, and the caliber for reinforcing strut and wall thickness are all larger than described The strut of the main part of jacket.
Further, grouting material used by grouting connects between the subdivision cylinder and the reserved slot is light water Mud, epoxy mortar or high-strength grout.
A kind of construction method of the offshore wind farm jacket gravity type cylinder-shaped foundation structure carries out in accordance with the following steps:
(1) the armored concrete disk and the arc steel framework that prefabricated connection is completed, prefabricated connection are completed described Jacket and the subdivision cylinder;
(2) ventilation/water hole in each subdivision of the arc steel framework, the armored concrete that connection is completed are closed The jacket and the subdivision cylinder that disk and the arc steel framework, connection are completed distinguish transportation by driving to designated mounting place;
(3) ventilation/water hole in each subdivision of the arc steel framework, the armored concrete that connection is completed are opened On disk and the arc steel framework sinking to the sea bed flattened, sinking is in place afterwards by suction pump valve in the arc steel framework Each subdivision in portion draws water, and the armored concrete disk and the arc steel framework is made to continue to sink, until in insertion seabed soil;
(4) to sink to the armored concrete disk in seabed soil as guiding, decentralization connects the conduit completed Frame and the subdivision cylinder are correspondingly placed into each subdivision cylinder in the reserved slot of the armored concrete disk;
(5) grouting material is injected between the subdivision cylinder and the reserved slot.
The beneficial effects of the present invention are:
A kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure of the invention and its construction method, realize gravity Effective combination on formula basis, suction cartridge type basis and jacket frame foundation structure, the mass-type foundation rigidity of structure is big, and stability is strong;Phase For traditional infrastructure form, marine transportation is convenient, and structure type is simple, and the scope of application is wider;Utilize RC Circular The arc steel framework of plate edge is, it can be achieved that foundation structure marine towage, substantially reduces transportation cost, and can pass through its pump valve system System, adjusts the levelness during its sinking;The duration for not only shortening offshore construction operation also avoids bulk transport and sets It is standby, difficulty of construction is successfully reduced, work progress is simplified.
Detailed description of the invention
Fig. 1 is the main view of offshore wind farm jacket gravity type cylinder-shaped foundation structure provided by the present invention;
Fig. 2 is the top view of offshore wind farm jacket gravity type cylinder-shaped foundation structure provided by the present invention;
Fig. 3 is the side view of offshore wind farm jacket gravity type cylinder-shaped foundation structure provided by the present invention;
Fig. 4 be in offshore wind farm jacket gravity type cylinder-shaped foundation structure provided by the present invention armored concrete disk and The structural schematic diagram of arc steel framework;
Fig. 5 is jacket and subdivision cylinder in offshore wind farm jacket gravity type cylinder-shaped foundation structure provided by the present invention Structural schematic diagram.
In figure: 1, armored concrete disk;2, arc steel framework;3, jacket;4, reinforce chord member;5, subdivision cylinder;6, reinforce Strut;7, slot is reserved.
Specific embodiment
For that can further appreciate that summary of the invention of the invention, feature and effect, the following examples are hereby given, and cooperates attached drawing Detailed description are as follows:
As shown in Figure 1 to Figure 3, present embodiment discloses a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structures, main To include armored concrete disk 1, arc steel framework 2, jacket 3, reinforce chord member 4, subdivision cylinder 5, reinforce strut 6, reserved slot 7。
As shown in figure 4, armored concrete disk 1 is the reinforced concrete structure of oblate column, it is internally provided with construction Reinforcing bar.There are three arc steel framework 2, three arc steel frameworks 2 are respectively positioned on RC Circular for the bottom installation of armored concrete disk 1 The edge of 1 bottom of disk, and it is uniformly distributed in 1 bottom surface concentric circles of armored concrete disk.In general, the quantity of arc steel framework 2 is 3-6 It is a.Arc steel framework 2 is formed by outside plate, inside steel plate and two sides steel plate weld all around, and outside plate and inside steel plate are respectively not With the arc-shaped of radius, two sides steel plate being arranged radially along armored concrete disk 1.2 lower part of arc steel framework not back cover, thereon Portion is connected in armored concrete disk 1 by way of pouring.Arc steel framework 2 is internally provided with 4-8 subdivision, each subdivision It is provided with ventilation/water hole, ventilation/water hole is opened on the corresponding armored concrete disk 1 of each subdivision, and ventilation/water hole connects It is connected to suction pump valve.
There are three reserved slots 7 for setting on armored concrete disk 1, and each reserved slot 7 is arranged in each adjacent two arc Between shape steel framework 2, for connecting subdivision cylinder 5 in reserved slot 7, the diameter for reserving slot 7 is greater than subdivision cylinder 5.Subdivision cylinder 5 and pre- Stay the quantity of slot 7 consistent, usually 3-6.
As shown in figure 5,1 top of armored concrete disk is equipped with jacket 3, jacket 3 according to conventional technical means by Constitute the chord member of main leg and the strut being connected between chord member composition.The caliber of 3 bottom cord of jacket in the present invention relatively on Portion increases, wall thickness is thickeied compared with top, and the caliber of 3 bottom strut of jacket is increased compared with top, wall thickness is thickeied compared with top, respectively constitutes The reinforcement chord member 4 and reinforcement strut 6 of main leg bottom.
Jacket 3 is connect with three subdivision cylinders 5 respectively with the reinforcement chord member 4 of three main leg bottoms.Each subdivision cylinder 5 is by covering It plate, the top sheath skirt for being set to 5 or more cover board and is set to cover board lower part sheath skirt below and constitutes;Grouting is offered on cover board Hole, the grout hole is for connecting grout lines;Lower part sheath skirt is internally provided with subdivision, and the quantity of subdivision is generally 4-8.Conduit The reinforcement chord member 4 of frame 3 is welded in the cover plate central of subdivision cylinder 5.
Three subdivision cylinders 5 are inserted into respectively in three reserved slots 7 of armored concrete disk 1, subdivision cylinder 5 and reserved slot By grouting connection between 7, used grouting material is ordinary cement slurry, epoxy mortar or high-strength grout.
The construction method of above-mentioned offshore wind farm jacket gravity type cylinder-shaped foundation structure specifically carries out in accordance with the following steps:
(1) armored concrete disk 1 and three arc steel frameworks 2 is prefabricated and connect completion, by jacket 3 and three subdivisions Cylinder 5 is prefabricated and connects completion;
(2) ventilation/water hole in each subdivision of three arc steel frameworks 2, the RC Circular that connection is completed are closed The jacket 3 and subdivision cylinder 5 that disk 1 and arc steel framework 2, connection are completed distinguish transportation by driving to designated mounting place;
(3) ventilation/water hole in each subdivision of arc steel framework 2,1 He of armored concrete disk that connection is completed are opened In arc steel framework 2 sinking to the sea bed flattened, sinking in place afterwards takes out the 2 each subdivision in inside of arc steel framework by suction pump valve Water makes armored concrete disk 1 and arc steel framework 2 continue to sink, until in insertion seabed soil;
It (4) is to be oriented to the armored concrete disk 1 sunk in seabed soil, decentralization connects the jacket 3 completed and divides Cabin cylinder 5, is correspondingly placed into three subdivision cylinders 5 in the reserved slot 7 of three armored concrete disks 1;
(5) grouting material is injected between subdivision cylinder 5 and reserved slot 7, and makes grouting material full of each of subdivision cylinder 5 In subdivision.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also By make it is many in the form of specific transformation, within these are all belonged to the scope of protection of the present invention.

Claims (9)

1. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure, which is characterized in that described including armored concrete disk Armored concrete disk bottom edge is equipped with the uniformly distributed arc steel framework of multiple concentric circles, and each arc-shaped steel frame bottom is opened Mouth, top pour and are fixed on the armored concrete disk, and the arc steel framework is internally provided with subdivision, the arc steel framework Each subdivision is provided with ventilation/water hole for connecting suction pump valve;The armored concrete disk is in the arc steel framework Between be provided with reserved slot;Armored concrete disk top is equipped with jacket, the main leg bottom point of the jacket It is not connected with subdivision cylinder, passes through grouting connection between the subdivision cylinder and the reserved slot.
2. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure according to claim 1, which is characterized in that described The quantity of arc steel framework is 3-6.
3. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure according to claim 1, which is characterized in that described The quantity for the subdivision being arranged inside arc steel framework is 4-8.
4. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure according to claim 1, which is characterized in that described The quantity of subdivision cylinder is 3-6.
5. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure according to claim 1, which is characterized in that described Subdivision cylinder includes cover board, the top sheath skirt for being set to the cover board or more and is set to cover board lower part sheath skirt below, institute It states and is provided with grout hole on cover board, the lower part sheath skirt is internally provided with subdivision.
6. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure according to claim 1, which is characterized in that described The quantity for the subdivision being arranged inside subdivision cylinder is 4-8.
7. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure according to claim 1, which is characterized in that described The main leg bottom of jacket, which is provided with, to be reinforced chord member and reinforces strut, and the caliber for reinforcing chord member and wall thickness are all larger than described lead The chord member of the main part of pipe support, the caliber for reinforcing strut and wall thickness are all larger than the support of the main part of the jacket Bar.
8. a kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure according to claim 1, which is characterized in that described Grouting material used by grouting connects between subdivision cylinder and the reserved slot is ordinary cement slurry, epoxy mortar or high-strength filling Slurry.
9. a kind of construction party of the offshore wind farm jacket gravity type cylinder-shaped foundation structure as described in any one of claim 1-8 Method, which is characterized in that carry out in accordance with the following steps:
(1) the armored concrete disk and the arc steel framework that prefabricated connection is completed, the conduit that prefabricated connection is completed Frame and the subdivision cylinder;
(2) ventilation/water hole in each subdivision of the arc steel framework, the armored concrete disk that connection is completed are closed The jacket and the subdivision cylinder completed with the arc steel framework, connection distinguish transportation by driving to designated mounting place;
(3) ventilation/water hole in each subdivision of the arc steel framework, the armored concrete disk that connection is completed are opened In the arc steel framework sinking to the sea bed flattened, sinking is in place afterwards by suction pump valve to each inside the arc steel framework Subdivision draws water, and the armored concrete disk and the arc steel framework is made to continue to sink, until in insertion seabed soil;
(4) with sink to the armored concrete disk in seabed soil for guiding, decentralization connection complete the jacket and The subdivision cylinder is correspondingly placed into each subdivision cylinder in the reserved slot of the armored concrete disk;
(5) grouting material is injected between the subdivision cylinder and the reserved slot.
CN201910658364.1A 2019-07-21 2019-07-21 Offshore wind power jacket gravity type cylindrical foundation structure and construction method thereof Active CN110453714B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910658364.1A CN110453714B (en) 2019-07-21 2019-07-21 Offshore wind power jacket gravity type cylindrical foundation structure and construction method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910658364.1A CN110453714B (en) 2019-07-21 2019-07-21 Offshore wind power jacket gravity type cylindrical foundation structure and construction method thereof

Publications (2)

Publication Number Publication Date
CN110453714A true CN110453714A (en) 2019-11-15
CN110453714B CN110453714B (en) 2021-02-02

Family

ID=68481689

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910658364.1A Active CN110453714B (en) 2019-07-21 2019-07-21 Offshore wind power jacket gravity type cylindrical foundation structure and construction method thereof

Country Status (1)

Country Link
CN (1) CN110453714B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111676958A (en) * 2020-06-04 2020-09-18 江苏文博建筑设计有限公司 Ancient building timber pile structure of quick installation
CN113417311A (en) * 2021-06-16 2021-09-21 张浦阳 Offshore wind power multi-cylinder jacket foundation construction method
CN113482033A (en) * 2021-06-16 2021-10-08 中国能源建设集团广东省电力设计研究院有限公司 Eccentric multi-cylinder jacket foundation and wind power complete machine construction method thereof
JP7420985B1 (en) 2023-02-07 2024-01-23 日鉄エンジニアリング株式会社 Jacket structure, jacket structure design method, jacket structure system, and offshore wind turbine system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877484A (en) * 2012-09-11 2013-01-16 天津大学 Steel-concrete composite cylinder-type foundation structure and construction method thereof
CN107542101A (en) * 2017-09-28 2018-01-05 天津大学 A kind of four floating drum buoyancy tank combined type foundation structures of sea and its construction method
CN208266910U (en) * 2018-05-18 2018-12-21 中交第三航务工程局有限公司 Negative pressure bucket
CN109444981A (en) * 2018-11-30 2019-03-08 天津大学 A kind of aqueous vapor autocontrol sea floor exploration platform and exploitation method
CN109610500A (en) * 2018-12-27 2019-04-12 中交第三航务工程局有限公司江苏分公司 A kind of more barrels of negative pressure catheter frame offshore wind power foundation structures of length and its construction method
CN109853609A (en) * 2018-12-25 2019-06-07 长江勘测规划设计研究有限责任公司 A kind of offshore wind farm combination foundation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877484A (en) * 2012-09-11 2013-01-16 天津大学 Steel-concrete composite cylinder-type foundation structure and construction method thereof
CN107542101A (en) * 2017-09-28 2018-01-05 天津大学 A kind of four floating drum buoyancy tank combined type foundation structures of sea and its construction method
CN208266910U (en) * 2018-05-18 2018-12-21 中交第三航务工程局有限公司 Negative pressure bucket
CN109444981A (en) * 2018-11-30 2019-03-08 天津大学 A kind of aqueous vapor autocontrol sea floor exploration platform and exploitation method
CN109853609A (en) * 2018-12-25 2019-06-07 长江勘测规划设计研究有限责任公司 A kind of offshore wind farm combination foundation
CN109610500A (en) * 2018-12-27 2019-04-12 中交第三航务工程局有限公司江苏分公司 A kind of more barrels of negative pressure catheter frame offshore wind power foundation structures of length and its construction method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111676958A (en) * 2020-06-04 2020-09-18 江苏文博建筑设计有限公司 Ancient building timber pile structure of quick installation
CN113417311A (en) * 2021-06-16 2021-09-21 张浦阳 Offshore wind power multi-cylinder jacket foundation construction method
CN113482033A (en) * 2021-06-16 2021-10-08 中国能源建设集团广东省电力设计研究院有限公司 Eccentric multi-cylinder jacket foundation and wind power complete machine construction method thereof
JP7420985B1 (en) 2023-02-07 2024-01-23 日鉄エンジニアリング株式会社 Jacket structure, jacket structure design method, jacket structure system, and offshore wind turbine system

Also Published As

Publication number Publication date
CN110453714B (en) 2021-02-02

Similar Documents

Publication Publication Date Title
WO2021012860A1 (en) Pile-bucket composite truss type offshore wind turbine foundation and construction process thereof
CN110453714A (en) A kind of offshore wind farm jacket gravity type cylinder-shaped foundation structure and its construction method
EP2837554A1 (en) Partially floating marine platform for offshore wind-power, bridges and marine buildings, and construction method
CN104389318B (en) Reinforced concrete-steel structure hybrid gravity foundation for offshore wind power and construction method thereof
CN103469808B (en) The offshore wind turbine foundation that a kind of concrete caisson and jacket combine
CN110747882B (en) Nail type anti-sinking plate for ocean engineering, jacket and construction method
CN205152976U (en) Marine precast concrete cushion cap wind turbine foundation
CN106245671B (en) A kind of combined type offshore wind power foundation and its construction method
CN103225304B (en) A kind of marine foundation supporting structure and construction method thereof
CN110055995A (en) A kind of offshore power generator foundation structure and its construction method
CN110984214A (en) Offshore wind power single pile-wing plate-rockfill composite foundation and construction method thereof
CN103981867A (en) Piling limiting frame for intertidal zone offshore wind power foundation pile sinking and construction method thereof
CN210797617U (en) Pile barrel composite truss type offshore wind turbine foundation
CN111456075A (en) Pile barrel composite truss type offshore wind turbine foundation and construction process thereof
CN105908772B (en) The construction method of offshore wind turbine gravity type foundation, basic system and gravity type foundation
CN108677992A (en) Offshore wind turbine prestressing force gravity type foundation and its installation method
CN201713827U (en) Fan base structure of offshore wind power station
CN206503157U (en) The embedding rock mixing pile foundation of offshore wind farm
CN106223355A (en) A kind of high bearing platform supported on piles in deep water Hold Hoop method has device and the construction method of end steel jacket box
CN210827547U (en) Spiral pile composite cylindrical foundation for offshore wind turbine
CN205822228U (en) A kind of offshore fan tower base structure
CN202170512U (en) Underwater combined base for open caisson and steel pipe piles
CN110397064A (en) A kind of separable ring cylinder jacket frame foundation structure and its construction method
CN203475463U (en) Offshore wind turbine foundation with concrete caisson and steel pipe frame steel structure combined
CN208136938U (en) A kind of marine four floating drums-buoyancy tank combined type foundation structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant