CN108625390A - The construction process and the more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake of offshore wind turbine foundation - Google Patents
The construction process and the more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake of offshore wind turbine foundation Download PDFInfo
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- CN108625390A CN108625390A CN201810604900.5A CN201810604900A CN108625390A CN 108625390 A CN108625390 A CN 108625390A CN 201810604900 A CN201810604900 A CN 201810604900A CN 108625390 A CN108625390 A CN 108625390A
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- 230000005484 gravity Effects 0.000 title claims abstract description 68
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 239000004567 concrete Substances 0.000 claims description 83
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
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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
- E02D27/52—Submerged foundations, i.e. submerged in open water
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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Abstract
A kind of construction process for providing offshore wind turbine foundation of the present invention and the more leg jackets bases of pile foundation gravity type offshore wind turbine height stake, are combined by the cavity gravity type foundation with pile foundation system with the more leg jacket structures of high stake；The present invention can build up the more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake safely, in an orderly manner, effectively increase the resistance to tipping moment on basis, the advantages that suffered wave force reduction, simple installation, saving steel, can be applicable in the marine site that more deep water is deep, ground is hard.
Description
Technical field
The present invention relates to the construction process of offshore wind turbine foundation and Novel pile foundation-more leg conduits of gravity type offshore wind turbine height stake
Frame foundation structure belongs to offshore wind farm field of engineering technology.
Background technology
As offshore wind farm is developed from shallow water area to more deep-sea domain, the application of more pile leader frame foundation patterns is more wide
It is general.Currently, the wind power plant in foreign countries 20 ~ 50m Intermediate Water Depths marine site has started to apply branch of more pile leader framves as offshore wind turbine
Support group plinth is connected by steel-pipe pile with sea bed, provides enough bearing capacity of pile foundation to resist external loads.But more for ground
Situations such as hard sand, large-diameter tubular pile is difficult to injection.Although gravity type foundation be it is a kind of be suitable for it is this kind of have it is hard
The offshore wind turbine foundation pattern of sand foundation makes wind turbine vertically stand on sea by the dead weight of itself.But this tradition
The applicable depth of water of gravity type foundation pattern be limited in scope, be typically only shallow water area, as the depth of water increases, cost can substantially increase
Add.Also, since Conventional gravity formula key dimension is huge, prodigious wave force is will produce, the safety of foundation structure is influenced.
Invention content
The first purpose of the invention is to provide a kind of construction process of offshore wind turbine foundation, can build up safely, in an orderly manner
The more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake effectively increase the resistance to tipping moment on basis, suffered wave
The advantages that power reduction, simple installation, saving steel, can be applicable in the marine site that more deep water is deep, ground is hard.For this purpose, the present invention uses
Following technical scheme：
A kind of construction process of offshore wind turbine foundation, it is characterised in that the more leg jacket structures of its processing and fabricating in factory are more
Leg jacket structure includes more pile casings, joint steel pipe structure, main cylinder；Pipe casing is connected by joint steel pipe structure and welding
It connects and is connected as an entirety with main cylinder；The quantity of pipe casing and position are corresponding with the quantity of pre-buried high stake and position；
Cavity gravity type foundation is rolled in land, the cavity gravity type foundation includes middle part concrete pier base and peripheral coagulation
The good pre-buried high pile element of processing and fabricating is put into the corresponding position of concrete pier base by native cavity body according to design quantity and position
It sets, pre-buried steel pile protection pipe component is put on the outside of concrete pier base and concrete cavity body bottom according to design quantity and position
Corresponding position, then casting concrete, forms the cavity gravity type concrete foundation containing multiple pre-buried high stakes and is conserved,
The buoyancy that concrete cavity body is laid in can be such that the cavity gravity type concrete foundation containing multiple pre-buried high stakes floats on
Sea；
Wind electric field blower seat in the plane sea bed is arranged, the cavity gravity type concrete containing multiple pre-buried high stakes that will have been conserved
Basis is put into the sea, by concrete cavity body from floating, with towboat by the cavity gravity type concrete containing multiple pre-buried high stakes
To the corresponding seat in the plane of wind power plant, carrying out sinking to the bottom operation makes cavity gravity type concrete foundation be sink to sea bed for basis haul；Again by steel pipe
Stake is put into pre-buried steel pipe casing, carries out pile sinking operation, then pile sinking carries out grouting operation, by steel to being easier in the soil layer of piling
Pile pile is connect with pre-buried steel pipe casing, forms pile foundation-gravity type foundation；Then jackstone operation is carried out, by the sky of gravity type foundation
Cavity fills up stone；More leg jacket structure hoistings, pipe casing and the top of pre-buried high stake are socketed again, carry out filling waterborne
Slurry operation, connection pipe casing and pre-buried high stake, more leg jacket structures are connect to form entirety with gravity type foundation.
It is a further object to provide a kind of more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake,
By that there will be the more leg jacket structures of the cavity gravity type foundation of pile foundation system and high stake to be combined, pile foundation-gravity type sea is formed
The more leg jacket foundation structures of upper fan height stake, can effectively increase the resistance to tipping moment on basis, and suffered wave force reduces, pacifies
The advantages that dress simplicity, saving steel, the marine site that more deep water is deep, ground is hard can be applicable in.For this purpose, the present invention uses following technical side
Case：
A kind of more leg jacket bases of pile foundation gravity type offshore wind turbine height stake, it is characterised in that：By the cavity with pile foundation system
Gravity type foundation is combined into the more leg jacket structures of high stake；Middle part concrete pier base containing multiple pre-buried high stakes and periphery
Concrete cavity body forms cavity gravity type concrete foundation；The peripheral concrete cavity body is provided with several partial cavities
It is uniformly arranged multiple pre-buried steel pipe casings respectively on the outside of body, the bottom of the peripheral concrete cavity body and concrete pier base,
It drives piles to form steel-pipe pile to sea bed in pre-buried steel pipe casing, is mixed stake with cavity gravity type with casing connection by grouting material
Solidifying earth foundation is linked together, and wherein stake is stub；Pipe casing is extrapolated to pre-buried high stake top portion, passes through grouting material and pre-buried high stake
Connection；Pipe casing is by joint steel pipe structure and is welded to connect and is connected as an entirety with main cylinder, pre-buried high stake, pipe casing,
Joint steel pipe structure forms the high more leg jacket structures of stake, and the gravity type that will have pile foundation system by pre-buried high stake with main cylinder
It is basic to hold together with the more leg jacket structures of high stake, as offshore wind turbine foundation, support top blower fan structure, wherein
Main cylinder is in center, at pre-buried high stake on the same circumference.
Further, the joint steel pipe structure includes diagonal brace and horizontal brace, each pipe casing by diagonal brace and horizontal brace with
Main cylinder is connected as one.
Further, pre-buried high stake is equal diameter steel pipe, and diameter is less than pile protection pipe diameter, and length is longer so that the upper end is revealed
Go out the water surface.
Further, pre-buried high stake is corresponding with pipe casing quantity with 3 ~ 4.
Further, between pre-buried high stake consolidation process is carried out with strut.
Further, concrete pier base is reinforced concrete structure, is in cylinder or cone shape；Concrete pier base outer diameter four
Week reinforces with concrete cavity body and connects；Raised position is uniformly arranged at least four pre-buried steel pipe casing on the outside of concrete pier base, in advance
The center that piling bar casing is buried relative to concrete pier base is on same circumference.
Further, concrete cavity body is reinforced concrete structure, including outer side shield, it is intermediate reinforce baffle, bottom,
Several partial cavities are surrounded by outer side shield, intermediate baffle, bottom and the concrete pier base outer wall reinforced；Several parts surrounded
Cavity is radially evenly distributed on concrete pier base surrounding；Bottom is uniformly arranged at least four pre-buried steel pipe casing, for driving piles
Fixing concrete basis.
Further, stake is equal diameter steel pipe, and diameter is less than pre-buried steel pile protection pipe diameter；Length is shorter, only pile sinking to compared with
The preceding several soil layers easily driven piles；Several steel pipe stubs are sink to sea bed bottom, form pile foundation system, fixed gravity type coagulation soil matrix
Plinth.
Further, pipe casing is equal diameter steel pipe, and diagonal brace, horizontal brace, main cylinder are reducing steel tube.
Further, main cylinder is in the surface of concrete pier base.
The advantageous effect of patent of the present invention is：
1, to be combined into pile foundation-gravity type offshore wind turbine height stake using pile foundation-gravity type foundation and the more leg jacket structures of high stake more
Leg jacket basis, the advantages of having both three kinds of structures, are suitable for 20 ~ 50m Intermediate Water Depths, and suitable for the sea of rigid foundation condition
Domain.
2, compared with Conventional gravity formula foundation pattern, the more leg jacket bases of Novel pile foundation-gravity type offshore wind turbine height stake
Effective active force is provided for gravity type foundation using piling soil layer is easier to by pile foundation system, greatlys improve gravity type foundation
Resistance to capsizing；Upper part rigidity of structure is big, size is small, steel using amount is few, and suffered wave force is small, can support the wind of more capacity
Machine is applicable in deeper marine site.
3, compared with the more pile leader frame foundation patterns of tradition, the Novel pile foundation-more leg jackets of gravity type offshore wind turbine height stake
It is the high geological conditions of the piling such as hard sand difficulty that basis, which can be applicable in ground, can be carried by pile foundation-gravity type foundation
For enough resistance to tipping moment.Due to pre-buried high stake, it is more easy that jacket positions leveling；Meanwhile jacket installation is in the water surface
The above position, is grouting waterborne, and installation operation is easy.
Description of the drawings
Fig. 1 is the sectional view of the embodiment of the present invention.
Fig. 2 is the A-A sectional views of Fig. 1.
Fig. 3 is the B-B sectional views of Fig. 1.
Grouting partial views of the Fig. 4 between pipe casing and pre-buried high stake.
Grouting partial views of the Fig. 5 between pre-buried steel pipe casing and stake.
Specific implementation mode
With reference to attached drawing.The more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake provided by the present invention, by having
The cavity gravity type foundation and the more leg jacket structures of high stake for having pile foundation system are combined into.
Middle part concrete pier base 2 containing multiple pre-buried high stakes 1 forms cavity gravity type with peripheral concrete cavity body 3 and mixes
Solidifying earth foundation；Middle part concrete pier base 2 is in the center of cavity gravity type concrete foundation, peripheral concrete cavity body 3
Around middle part concrete pier base 2.Concrete pier base 2 is reinforced concrete structure, generally in cylinder or cone shape；Concrete pier
2 outer diameter surrounding of platform and concrete cavity body 3 reinforce baffle 3-2 by centre and reinforce connection；2 outside raised position of concrete pier base
It is uniformly arranged at least four pre-buried steel pipe casing 4, pre-buried steel pipe casing 4 is in same circumference relative to the center of concrete pier base 2
On.Concrete cavity body 3 is reinforced concrete structure, including outer side shield 3-1, it is intermediate reinforce baffle 3-2, bottom 3-3 and
Several partial cavity 3-5 are surrounded by outer side shield 3-1, intermediate baffle 3-2, bottom 3-3 and the concrete pier base outer wall 3-4 of reinforcing；
Several partial cavities surrounded are radially evenly distributed on 2 surrounding of concrete pier base；It is pre-buried that bottom is uniformly arranged at least four
Piling bar casing 4, for beating 61 fixing concrete of steel-pipe pile basis.
Steel-pipe pile is formed to sea bed piling 6,61 in pre-buried steel pipe casing 4, is connected stake 6 and casing 4 by grouting material 5
It connects and is linked together with cavity gravity type concrete foundation, wherein stake 6 is stub；Stake 6,61 is equal diameter steel pipe, and diameter is less than
4 diameter of pre-buried steel pipe casing；Length is shorter, only pile sinking to the preceding several soil layers for being easier to piling；Several steel pipe stubs are sink to sea
Bed bottom forms pile foundation system, fixed gravity type concrete foundation.
Pipe casing 7-1 is extrapolated to 1 top of pre-buried high stake, is connect with pre-buried high stake 1 by grouting material 5；Pipe casing 7-1 is logical
It crosses joint steel pipe structure and is welded to connect and be connected as an entirety, pre-buried high stake 1, pipe casing 7-1, connection steel with main cylinder 7-4
Pipe structure forms the high more leg jacket structures of stake, and the gravity type base that will have pile foundation system by pre-buried high stake 1 with main cylinder 7-4
Plinth holds together with the more leg jacket structures of high stake, as offshore wind turbine foundation, supports top blower fan structure.
Main cylinder 7-4 is in center, at pre-buried high stake 1 on the same circumference.Main cylinder 7-4 is in concrete pier base
2 surface is on same center line.
The joint steel pipe structure preferably includes diagonal brace 7-2 and horizontal brace 7-3, each pipe casing 7-1 pass through diagonal brace 7-2 and water
It supports 7-3 and main cylinder 7-4 to be connected as one, structure is strong, and easy for installation, weight is relatively lighter.The other knots of joint steel pipe structure
Configuration formula combines main cylinder 7-4 and pipe casing 7-1.
Pre-buried high stake 1 is equal diameter steel pipe, and diameter is less than pipe casing 7-1 diameters, and length is longer so that water is exposed in the upper end
Face；Pre-buried high stake 1 has 3 ~ 4 pre-buried high stakes 1.
Pipe casing 7-1 is equal diameter steel pipe, and diagonal brace 7-2, horizontal brace 7-3, main cylinder 7-1 are reducing steel tube.
Pre-buried high stake 1, pre-buried steel pipe casing 4, pipe casing 7-1, diagonal brace 7-2, horizontal brace 7-3, main cylinder 7-4 are in factory
Processing and fabricating, as needed that consolidation process can be carried out to pre-buried high stake 1 with strut to be applicable in more deep water depth, the steel member that will be made
By being welded into leg jacket structure more than one.It is arranged according to the size of gravity type foundation, concrete pier is rolled in land
The reinforcing bar that baffle 3-2, outer baffle 3-1 and bottom 3-3 are reinforced among platform 2, cavity body 3, by good pre-buried 1 structure of high stake of processing and fabricating
Part is put into 2 corresponding position of concrete pier base, and 4 component of pre-buried steel pipe casing is put into 2 outside of concrete pier base and concrete is empty
The corresponding position of cavity bottom 3-3, then casting concrete, forms cavity gravity type concrete foundation and is conserved.To wind
Electric field fan seat in the plane sea bed is arranged, and is flattened with rubble 100, and gravity type concrete foundation conserve is put into nautical mile, according to
By cavity body from floating, gravity type foundation is hauled into seat in the plane corresponding to wind power plant with towboat, carrying out sinking to the bottom operation makes gravity type foundation
It is sink to sea bed.Steel-pipe pile 6 is put into pre-buried steel pipe casing again, carries out pile sinking operation, pile sinking is to being easier in the soil layer of piling, then
Grouting operation is carried out, steel-pipe pile 6 is connect with pre-buried steel pipe casing 4, forms pile foundation-gravity type foundation；Then jackstone behaviour is carried out
Make, the cavity body 3 of gravity type foundation is filled up into stone 31.More leg jacket structures 7 are lifted again, the top with pre-buried high stake 1
One end is docked, and grouting operation waterborne is carried out, and more leg jacket structures and gravity type foundation are attached to form entirety.
Above is only a specific embodiment of the present invention, but the structure feature of the present invention is not limited thereto, Ren Heben
The technical staff in field in the field of the invention, made by changes or modifications all cover among protection scope of the present invention.
Claims (10)
1. a kind of construction process of offshore wind turbine foundation, it is characterised in that the more leg jacket structures of its processing and fabricating in factory,
More leg jacket structures include more pile casings（7-1）, joint steel pipe structure, main cylinder（7-4）；Pipe casing（7-1）Pass through company
It connects steel-tube construction and is welded to connect and main cylinder（7-4）It is connected as an entirety；Pipe casing（7-1）Quantity and position with it is pre-buried
High stake（1）Quantity and position correspond to；
Cavity gravity type foundation is rolled in land, the cavity gravity type foundation includes middle part concrete pier base（2）With periphery
Concrete cavity body（3）, by the good pre-buried high stake of processing and fabricating（1）Component is put into concrete pier base according to design quantity and position
（2）Corresponding position, by pre-buried steel pipe casing（4）Component is put into concrete pier base according to design quantity and position（2）Outside and
Concrete cavity body bottom（3-3）Corresponding position, then casting concrete forms the cavity gravity containing multiple pre-buried high stakes
Formula concrete foundation is simultaneously conserved, and the buoyancy that peripheral concrete cavity body is laid in can make described to contain multiple pre-buried high stakes
Cavity gravity type concrete foundation float on sea；
Wind electric field blower seat in the plane sea bed is arranged, the cavity gravity type concrete containing multiple pre-buried high stakes that will have been conserved
Basis is put into the sea, by peripheral concrete cavity body from floating, is mixed the cavity gravity type containing multiple pre-buried high stakes with towboat
Solidifying earth foundation hauls seat in the plane corresponding to wind power plant, and carrying out sinking to the bottom operation makes cavity gravity type concrete foundation be sink to sea bed；Again will
Steel-pipe pile（6）It is put into pre-buried steel pipe casing（4）, carry out pile sinking operation, pile sinking to be easier to piling soil layer in, be then in the milk
Operation, by steel-pipe pile（6）With pre-buried steel pipe casing（4）Connection forms pile foundation-gravity type foundation；Then jackstone operation is carried out, it will
The cavity body of gravity type foundation（3）Fill up stone；Again by more leg jacket structure hoistings, pipe casing（7-1）With pre-buried high stake（1）
Top be socketed, carry out grouting operation waterborne, connect pipe casing（7-1）With pre-buried high stake（1）, by more leg jacket structures
It connect to form entirety with gravity type foundation.
2. a kind of more leg jacket bases of pile foundation gravity type offshore wind turbine height stake, it is characterised in that：By the sky with pile foundation system
Chamber gravity type foundation is combined into the more leg jacket structures of high stake；Contain multiple pre-buried high stakes（1）Middle part concrete pier base
（2）With peripheral concrete cavity body（3）Form cavity gravity type concrete foundation；The peripheral concrete cavity body（3）Setting
There are several partial cavities（3-5）, the peripheral concrete cavity body（3）Bottom and concrete pier base（2）Outside difference is uniform
Multiple pre-buried steel pipe casings are set（4）, in pre-buried steel pipe casing（4）It is interior to drive piles to sea bed（6）Steel-pipe pile is formed, injection material is passed through
Material（5）By stake（6）With casing（4）It connects and is linked together with cavity gravity type concrete foundation, wherein stake（6）For stub；Stake
Casing（7-1）It is extrapolated to pre-buried high stake（1）Top passes through grouting material（5）With pre-buried high stake（1）Connection；Pipe casing（7-1）It is logical
It crosses joint steel pipe structure and is welded to connect and main cylinder（7-4）It is connected as an entirety, pre-buried high stake（1）, pipe casing（7-1）、
Joint steel pipe structure and main cylinder（7-4）The more leg jacket structures of high stake are formed, and pass through pre-buried high stake（1）There to be pile foundation system
Gravity type foundation hold together with the more leg jacket structures of high stake, as offshore wind turbine foundation, support top wind turbine knot
Structure, wherein main cylinder（7-4）It is in center, pre-buried high stake（1）Place is on the same circumference.
3. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 2, it is characterised in that：
The joint steel pipe structure includes diagonal brace（7-2）And horizontal brace（7-3）, each pipe casing（7-1）Pass through diagonal brace（7-2）And horizontal brace
（7-3）With main cylinder（7-4）It is connected as one.
4. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 2, it is characterised in that：
Pre-buried high stake（1）For equal diameter steel pipe, diameter is less than pipe casing（7-1）Diameter, length is longer so that the upper end is exposed the surface；In advance
Bury high stake（1）With 3 ~ 4.
5. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 2, it is characterised in that：
Pre-buried high stake（1）Between with strut carry out consolidation process.
6. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 2, it is characterised in that：
Concrete pier base（2）It is in cylinder or cone shape for reinforced concrete structure；Concrete pier base（2）Outer diameter surrounding and concrete
Cavity body（3）Reinforce connection；Concrete pier base（2）Outside raised position is uniformly arranged at least four pre-buried steel pipe casing（4）, in advance
Bury piling bar casing（4）Relative to concrete pier base（2）Center be on same circumference.
7. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 2, it is characterised in that：
Concrete cavity body（3）For reinforced concrete structure, including outer side shield（3-1）, intermediate reinforce baffle（3-2）, bottom（3-
3）, by outer side shield（3-1）, intermediate reinforce baffle（3-2）, bottom（3-3）With concrete pier base outer wall（3-4）Surround several offices
Portion's cavity（3-5）；Several partial cavities surrounded are radially evenly distributed on concrete pier base（2）Surrounding；Bottom is uniform
At least four pre-buried steel pipe casing is set（4）, for beating steel-pipe pile（61）Fixing concrete basis.
8. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 2, it is characterised in that：
Stake（6）For equal diameter steel pipe, diameter is less than pre-buried steel pipe casing（4）Diameter；Length is shorter, and only pile sinking is former to being easier to drive piles
A soil layer；Several steel pipe stubs are sink to sea bed bottom, form pile foundation system, fixed gravity type concrete foundation.
9. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 3, it is characterised in that：
Pipe casing（7-1）For equal diameter steel pipe, diagonal brace（7-2）, horizontal brace（7-3）, main cylinder（7-1）For reducing steel tube.
10. the more leg jacket bases of a kind of pile foundation gravity type offshore wind turbine height stake according to claim 2, feature exist
In：Main cylinder（7-4）It is in concrete pier base（2）Surface.
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| CN201810604900.5A CN108625390A (en) | 2018-06-13 | 2018-06-13 | The construction process and the more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake of offshore wind turbine foundation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110080272A (en) * | 2019-04-25 | 2019-08-02 | 上海交通大学 | Offshore wind farm single-pile foundation and offshore wind farm device suitable for greater coasting area |
| CN110219317A (en) * | 2019-04-23 | 2019-09-10 | 中交上海港湾工程设计研究院有限公司 | A kind of base components for offshore wind power set installation |
| CN110439018A (en) * | 2019-08-02 | 2019-11-12 | 中交第四航务工程勘察设计院有限公司 | A kind of new plug-in steel cylinder wind power foundation |
| CN114084302A (en) * | 2020-08-24 | 2022-02-25 | 上海电气风电集团股份有限公司 | Fixed foundation of offshore wind turbine, offshore wind turbine device and transportation and installation method of offshore wind turbine complete machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321241A (en) * | 2013-06-26 | 2013-09-25 | 上海大学 | Deepwater open type wharf with combined foundation and method for constructing deepwater open type wharf |
| CN204676584U (en) * | 2015-03-27 | 2015-09-30 | 中国电建集团华东勘测设计研究院有限公司 | A kind of high stake truss-like offshore wind turbine foundation structure |
| CN106638659A (en) * | 2016-10-27 | 2017-05-10 | 中国电建集团华东勘测设计研究院有限公司 | Towing truss-gravity type combined offshore wind turbine foundation structure and construction method thereof |
| CN208563362U (en) * | 2018-06-13 | 2019-03-01 | 中国电建集团华东勘测设计研究院有限公司 | The more leg jacket foundation structures of pile foundation gravity type offshore wind turbine height stake |
-
2018
- 2018-06-13 CN CN201810604900.5A patent/CN108625390A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321241A (en) * | 2013-06-26 | 2013-09-25 | 上海大学 | Deepwater open type wharf with combined foundation and method for constructing deepwater open type wharf |
| CN204676584U (en) * | 2015-03-27 | 2015-09-30 | 中国电建集团华东勘测设计研究院有限公司 | A kind of high stake truss-like offshore wind turbine foundation structure |
| CN106638659A (en) * | 2016-10-27 | 2017-05-10 | 中国电建集团华东勘测设计研究院有限公司 | Towing truss-gravity type combined offshore wind turbine foundation structure and construction method thereof |
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| CN114084302A (en) * | 2020-08-24 | 2022-02-25 | 上海电气风电集团股份有限公司 | Fixed foundation of offshore wind turbine, offshore wind turbine device and transportation and installation method of offshore wind turbine complete machine |
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Application publication date: 20181009 |