CN106638659A - Towing truss-gravity type combined offshore wind turbine foundation structure and construction method thereof - Google Patents
Towing truss-gravity type combined offshore wind turbine foundation structure and construction method thereof Download PDFInfo
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- CN106638659A CN106638659A CN201610969399.3A CN201610969399A CN106638659A CN 106638659 A CN106638659 A CN 106638659A CN 201610969399 A CN201610969399 A CN 201610969399A CN 106638659 A CN106638659 A CN 106638659A
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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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Abstract
The invention provides a towing truss-gravity type combined offshore wind turbine foundation structure. The foundation structure comprises a towing gravity type foundation with a cavity and a truss-type fan supporting structure; the towing gravity type foundation comprises a concrete abutment where butt-joint steel pipes are embedded in advance and a concrete cavity, and the truss-type fan supporting structure is connected with the pre-embedded butt-joint steel pipes through a grouting material. The invention further provides a construction method of a towing truss-gravity type combined offshore wind turbine foundation. The foundation structure can be applied to an offshore wind plant with the water depth of 20-50 m and the subgrade made of hard sandy oil or rock and has the advantages of being suitable for larger water depth, capable of supporting a fan with larger capacity and convenient to install and transport, saving steel and reducing construction cost, wave force borne by the foundation structure is reduced, and piling and piling noise are avoided.
Description
Technical field
The present invention relates to it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure and its construction method,
Belong to offshore wind farm field of engineering technology.
Background technology
Gravity type foundation makes blower fan vertically stand on sea as a kind of foundation pattern of offshore wind turbine by the deadweight of itself
On, it is higher to foundation requirement, it is adaptable to hard sand or rock foundation.But the applicable depth of water of traditional gravity type foundation pattern
It is limited in scope, is typically only shallow water area；And due to the bulky dimensions on Conventional gravity formula basis, effect of the wave to foundation structure
Power is bigger, constrains the application of gravity type foundation pattern.
As China's offshore wind farm constantly develops, offshore wind farm progressively develops to deeper marine site, and stormy waves condition is more severe；
Blower fan single-machine capacity also constantly increases, and causes bigger horizontal loading and tilting moment.For China's offshore wind farm progressively to 20 ~
The trend that 50m Intermediate Water Depths marine site is developed and single-machine capacity maximizes, truss-like foundation pattern has more advantage.Usually, truss
Formula basis is connected by steel-pipe pile with foundation of sea floor, is required to meet resistance to tipping moment in projected life etc., stake footpath, stake
The structural parameters such as length, pile spacing are larger, and steel expend big, high cost, and noise can be produced during driving piles, and affect ocean life
Thing；Also, to hard sand and rock foundation, such as China Coastal Area of Fujian Surveyed, it is difficult to drive piles, pile foundation pattern is difficult to should
With.
The content of the invention
The technical problem to be solved is for above-mentioned problem, there is provided it is a kind of can towage truss-weight
The offshore wind turbine foundation structure of power formula combination, by the way that cavity gravity type foundation is combined with truss-like blower fan supporting construction, forms
Can towage the combination of truss-gravity type offshore wind turbine foundation structure, the foundation pattern of the combination has the advantage of two kinds of structures concurrently,
Can be applied to 20 ~ 50m depth of waters, and ground is the marine wind electric field of hard sand or rock, with the applicable deeper depth of water,
Support more Large Copacity blower fan, suffered wave force reduce, without the need for piling, without Pile Driving Noise, saving steel, installations and transport it is easy, drop
The advantages of low construction cost.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：It is a kind of can towage the combination of truss-gravity type
Offshore wind turbine foundation structure, including with cavity can towage gravity type foundation and truss-like blower fan supporting construction, it is described heavy
Power formula basis include be embedded with docking steel pipe concrete pier base and concrete cavity body, the truss-like blower fan supporting construction with
The pre-buried docking steel pipe is connected by grouting material, and gravity type foundation and truss-like blower fan structure are connected as into an entirety,
As offshore wind turbine foundation, top blower fan structure is supported.
While using above-mentioned technical proposal, the present invention can also be adopted or combined using technology further below
Scheme：
The pre-buried docking steel pipe is equal diameter steel pipe, and its diameter is bigger than the main leg diameter of truss-like blower fan supporting construction, docking
The quantity of steel pipe 1 is corresponding with the main leg of truss-like blower fan supporting construction, and docking steel pipe is vertically evenly arranged some enforced loop planes, plus
Strong ring flat-plate is connected integral with concrete pier base steel reinforcement cage, and is embedded into concrete pier base.The concrete pier base is reinforcing bar
Xoncrete structure, in cylinder or cone shape, wherein pre-buried docking steel pipe, concrete pier base outside reinforces with concrete cavity body
Connection；The full-size with diameter greater than truss-like blower fan supporting construction section of concrete pier base.
The concrete cavity body is reinforced concrete structure, including base plate and surrounds the outer side shield of ring-type, the bottom
Plate is arranged on sea bed face, and its bottom is flattened by blotter, and the periphery of the outer side shield is provided with jackstone and protects described mixed
Solidifying soil cavity body surrounds a ring-shaped cavity with the outer wall of concrete pier base, and multiple centres have been evenly distributed in the ring-shaped cavity
Baffle plate, forms the multiple partial cavity's bodies of partial cavity's body and is radially evenly distributed on concrete between two neighboring middle baffle plate
Around pier so that gravity type foundation have from it is floating and can towage the characteristics of.
The truss-like blower fan support steel structure includes platform, main cylinder, diagonal brace, main leg, strut, straddle（Or sleeve）,
Main leg and strut adopt section for the steel pipe of annulus, and strut is inclined and is welded on across between main leg, and platform is arranged in main leg
Top, main cylinder is fixed on platform by diagonal brace, straddle（Or sleeve）Integral type is connected to main leg lower end, truss-like blower fan
Support steel construction passes through straddle（Or sleeve）Insert pre-buried docking steel pipe, and with grouting material by truss-like blower fan supporting construction with it is mixed
The connection of solidifying knoll platform be formed as it is a kind of can towage truss-gravity type combination offshore wind turbine foundation structure.
Multigroup strut intersecting two-by-two is provided between adjacent two main legs, multigroup strut intersecting two-by-two is located at respectively main leg
Different elevations on, the crosspoint top of the extreme high tide level of the offshore wind turbine foundation in uppermost one group of strut, institute
The mean sea level for stating offshore wind turbine foundation is near the crosspoint of uppermost one group of strut, the offshore wind turbine foundation
Design low tide is near second group of strut with the junction of main leg.
Another technical problem to be solved by this invention be to provide it is a kind of it is above-mentioned can towage truss-gravity type combination
The step of Split construction method of offshore wind turbine foundation, the method, is as follows：
A, above-mentioned gravity type foundation and truss-like blower fan supporting construction are made respectively；
B, prefabricated cavity gravity type foundation is hauled to blower fan seat in the plane by towboat；Again by the cavity to gravity type foundation
Gravity type concrete is sunk down into design attitude by slow water filling in vivo, and overall process notes gravity type foundation whole machine balancing during water filling
With it is stable；Then the cavity of gravity type foundation is filled up by jackstone or back-up sand soil.
C, by truss-like blower fan supporting construction transport to install seat in the plane, by the straddle of truss-like blower fan supporting construction（Or set
Cylinder）In the pre-buried docking steel pipe of insertion concrete pier base, and it is in the milk, is made truss-like blower fan supporting construction and cavity gravity type
Basis is linked to be overall to support top blower fan.
The present invention also provide it is a kind of it is above-mentioned can towage the combination of truss-gravity type offshore wind turbine foundation integral construction side
The step of method, the method, is as follows：
A, above-mentioned gravity type foundation and truss-like blower fan supporting construction are made respectively；
B, land make respectively truss-like blower fan supporting construction and gravity type foundation, by the truss-like wind made on harbour
In the pre-buried docking steel pipe of machine supporting construction insertion concrete pier base, truss-like blower fan supporting construction and cavity weight are made by grouting
Power formula base set is integral supporting top blower fan.
C, the offshore wind turbine foundation of the truss-gravity type combination for being finished assembling by towboat are integrally hauled to blower fan machine
Position；Again slow water filling makes basis sink down into design attitude into the cavity body of gravity type foundation, and overall process notes wind during water filling
Machine basis whole machine balancing and stable；Then the cavity of gravity type foundation is filled up by jackstone or back-up sand soil.
The invention has the beneficial effects as follows：
1st, using can towage gravity type foundation and truss-like blower fan supporting structure combination into it is a kind of can towage truss-gravity type
The offshore wind turbine foundation structure of combination, has the advantage of two kinds of structures concurrently, it is adaptable to 20 ~ 50m Intermediate Water Depths, and suitable for hardy
The marine site of base condition.
2nd, compared with Conventional gravity formula foundation pattern, can towage the combination of truss-gravity type offshore wind turbine foundation transport
It is convenient, save construction cost；The Stiffness Variation of Superstructure of the foundation pattern is big, size is little, suffered wave force is little, can support more great Rong
The blower fan of amount, applicable deeper marine site.
3rd, compared with traditional pile foundation truss foundation pattern, can towage the combination of truss-gravity type offshore wind turbine foundation energy
Enough be suitable for the geological conditions that ground is that hard sand or rock etc. cannot drive piles, with without the need for piling, without piling noise, install
The advantages of simplicity, saving steel.
4th, cavity gravity type concrete foundation and truss-like blower fan supporting construction 4 are separated into the split construction that transport is assembled again
Method, can efficiently reduce requirement to harbour Lifting Capacity and to gravity type concrete foundation from buoyancy demand, and drop
The low center of gravity of gravity type concrete foundation, is effectively prevented from towage transportation the risk for being easy to topple because center of gravity is higher.
5th, whole Transporting again after on land assembling cavity gravity type concrete foundation and truss-like blower fan supporting construction 4
The monolithic construction method of installation, can efficiently reduce offshore construction, improve efficiency of construction, greatly reduce and ships that transport is set
Standby demand, reduces construction cost.
Description of the drawings
Fig. 1 be the present invention can towage the combination of truss-gravity type offshore wind turbine foundation sectional view.
Fig. 2 be the present invention can towage the combination of truss-gravity type offshore wind turbine foundation partial view.
Fig. 3 be the present invention can towage the combination of truss-gravity type offshore wind turbine foundation top view.
Specific embodiment
Embodiment 1, as illustrated, it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure.
The present embodiment be applied to offshore wind farm can the combination of towage truss-gravity type offshore wind turbine foundation structure, bag
Include：With cavity can towage gravity type foundation and truss-like blower fan supporting construction, it is right that the gravity type foundation includes being embedded with
Connect the concrete pier base 2 and concrete cavity body 3 of steel pipe 1, the truss-like blower fan supporting construction 4 pre-buried docks steel pipe with described
1 is connected by grouting material 5, gravity type foundation and truss-like blower fan structure is connected as into an entirety, as offshore wind turbine base
Plinth, supports top blower fan structure.
The docking steel pipe（1）For equal diameter steel pipe, its diameter is than truss-like blower fan supporting construction（4）Main leg diameter
Greatly, the docking steel pipe（1）Quantity and truss-like blower fan supporting construction（4）Main leg correspondence, the docking steel pipe（1）Along perpendicular
To being evenly arranged multiple enforced loop planes（6）, the enforced loop plane（6）With concrete pier base（2）Steel reinforcement cage connection it is integral,
And it is embedded into concrete pier base（2）In.
The concrete pier base（2）For reinforced concrete structure, in cylinder or cone shape, wherein pre-buried docking steel pipe
（1）, concrete pier base（2）Outside and concrete cavity body（3）Plus be solidly connected；Concrete pier base（2）With diameter greater than truss
Formula blower fan supporting construction（4）Section full-size.
The concrete cavity body（3）For reinforced concrete structure, including base plate（3-3）With the outer side shield for surrounding ring-type
（3-1）, the base plate（3-3）It is arranged in sea bed face（7）On, its bottom passes through blotter（8）Leveling, the outer side shield
（3-1）Periphery be provided with jackstone protection（9）；The concrete cavity body（3）With concrete pier base（2）Outer wall surround a ring
Shape cavity, has been evenly distributed multiple middle baffle plates in the ring-shaped cavity（3-2）, two neighboring middle baffle plate（3-2）Between shape
Into partial cavity's body（3-4）Multiple partial cavity's bodies（3-4）Radially it is evenly distributed on concrete pier base（2）Around so that
Gravity type foundation have from it is floating and can towage the characteristics of.
The truss-like blower fan support steel structure（4）Including platform（4-1）, main cylinder（4-2）, diagonal brace（4-3）, main leg
（4-4）, strut（4-5）, straddle（Or sleeve）（4-6）, main leg（4-4）And strut（4-5）Section is adopted for the steel pipe of annulus,
Strut（4-5）Inclination is welded on across main leg（4-4）Between, platform（4-1）It is arranged in main leg（4-4）Top, main cylinder（4-
2）By diagonal brace（4-3）It is fixed on platform（4-1）On, straddle（Or sleeve）（4-6）Integral type is connected to main leg（4-4）Lower end,
Truss-like blower fan support steel structure（4）By straddle（Or sleeve）（4-6）Insert pre-buried docking steel pipe（1）, and use grouting material
（5）By truss-like blower fan supporting construction（4）With concrete pier base（2）Connection be formed as it is a kind of can towage truss-gravity type group
The offshore wind turbine foundation structure of conjunction.
Adjacent two main legs（4-4）Between be provided with multigroup strut intersecting two-by-two（4-5）, multigroup strut intersecting two-by-two
（4-5）Main leg is located at respectively（4-4）Different elevations on, the extreme high tide level of the offshore wind turbine foundation is in uppermost one
Group strut（4-5）Crosspoint top, the mean sea level of the offshore wind turbine foundation is in uppermost one group of strut（4-5）
Crosspoint near, the design low tide of the offshore wind turbine foundation is in second group of strut（4-5）With main leg（4-4）Connection
Near place.
Platform 4-1, main cylinder 4-2, diagonal brace 4-3, main leg 4-4, strut 4-5, straddle（Or sleeve）4-6 is processed in factory
Make, the steel beam column made is passed through the truss-like blower fan supporting construction 4 for being welded to connect into an entirety.Process in factory
The docking component of steel pipe 1 is made, by vertically welding some equally distributed enforced loop plane composition docking steel in docking steel tube component
Pipe 1.
Arranged according to the size of gravity type foundation, concrete pier base 2, cavity body middle baffle plate 3-2, outer is rolled on land
The reinforcing bar of baffle plate 3-1 and bottom 3-3, by the reinforcement for processing docking steel pipe 1 the corresponding position of concrete pier base 2 is put into, and is connect
Be welded to connect with the steel reinforcement cage for having rolled, then casting concrete, formed can the cavity gravity type concrete foundation of towage go forward side by side
Row maintenance.
The present embodiment can be selected cavity gravity type in work progress according to situations such as engineering place and construction equipment
Concrete foundation is separately transported to offshore wind farm place with truss-like blower fan supporting construction 4, then the split construction party being respectively mounted
Method, or cavity gravity type concrete foundation and truss-like blower fan supporting construction 4 are first assembled on land integral, then general again
The monolithic construction method that basic whole Transporting is installed to place.
Embodiment 2, split type construction method.
The present embodiment is that, for the construction method in the case of the first in embodiment 1, its specific construction procedure is as follows：
A, difference make on land gravity type foundation and truss-like blower fan supporting construction.
B, the sea bed to blower fan seat in the plane are arranged, including sea bed is smooth, ground laying blotter operation.
C, according to the appointed condition of harbour, can be with loop wheel machine or the lower water mode of air bag rolling fortune first by the gravity type coagulation for having conserved
Earth foundation hangs in the sea, by the buoyancy of cavity body by whole gravity type concrete foundation from floating on sea；Then towboat is used
By gravity type concrete foundation towage to the corresponding seat in the plane of wind energy turbine set, gravity type foundation is set to be sink to sea by the slow water filling into cavity
Bed；Then jackstone operation is carried out to the cavity of gravity type concrete foundation, cavity body is filled up into stone.
D, truss-like blower fan support steel structure 4 transported to blower fan seat in the plane again, by loop wheel machine by truss-like blower fan supporting steel
Structure 4 is put into the sea, the straddle of lattice supporting framework 4 in hoisting process（Or sleeve）4-6 with it is pre-buried dock steel pipe 1 carry out it is right
Connect；Finally to straddle（Or sleeve）4-6 carries out grouting operation with the pre-buried space docked between steel pipe 1, by grouting material 5
Truss-like blower fan supporting construction 4 and gravity type foundation are attached to form entirety；Finally lift tower and blower fan.
Embodiment 3, monoblock type construction method.
The present embodiment is that, for the construction method in the case of second in embodiment 1, its specific construction procedure is as follows：
A, difference make on land gravity type foundation and truss-like blower fan supporting construction.
B, the sea bed to blower fan seat in the plane are arranged, including sea bed is smooth, ground laying blotter operation.
C, make truss-like blower fan supporting construction 4 and prefabricated hollow gravity type concrete foundation respectively on land, then
During the truss-like blower fan supporting construction 4 made to be inserted the pre-buried docking steel pipe 1 of concrete pier base 2 on harbour, by filling
Slurry makes truss-like blower fan supporting construction 4 overall with cavity gravity type foundation composition to support top blower fan.
D, according to the appointed condition of harbour, can be with loop wheel machine or the lower water mode of air bag rolling fortune by the sea of truss-gravity type combination
Fan basis is overall to be hung in the sea, by the buoyancy of cavity body by whole basis from floating on sea；Then should with towboat
The towage of basic entirety makes basis be sink to sea bed to the corresponding seat in the plane of wind energy turbine set by the slow water filling into cavity；Then to the basis
Cavity in carry out jackstone operation, cavity body is filled up into stone；Finally lift tower and blower fan.
Claims (10)
1. it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure, including with cavity can towage gravity
Formula basis and truss-like blower fan supporting construction, it is characterised in that：The gravity type foundation includes being embedded with docking steel pipe（1）It is mixed
Solidifying knoll platform（2）With concrete cavity body（3）, the truss-like blower fan supporting construction（4）Pre-buried steel pipe is docked with described（1）It is logical
Cross grouting material（5）Connection, is connected as an entirety, as offshore wind turbine base by gravity type foundation and truss-like blower fan structure
Plinth, supports top blower fan structure.
2. it is according to claim 1 it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure, its feature
It is：The docking steel pipe（1）For equal diameter steel pipe, its diameter is than truss-like blower fan supporting construction（4）Main leg diameter it is big, institute
State docking steel pipe（1）Quantity and truss-like blower fan supporting construction（4）Main leg correspondence, the docking steel pipe（1）It is vertically equal
It is even to be disposed with multiple enforced loop planes（6）, the enforced loop plane（6）With concrete pier base（2）Steel reinforcement cage connection it is integral, and in advance
Bury concrete pier base（2）In.
3. it is according to claim 1 it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure, its feature
It is：The concrete pier base（2）For reinforced concrete structure, in cylinder or cone shape, wherein pre-buried docking steel pipe（1）,
Concrete pier base（2）Outside and concrete cavity body（3）Plus be solidly connected；Concrete pier base（2）With diameter greater than truss-like wind
Machine supporting construction（4）Section full-size.
4. it is according to claim 1 it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure, its feature
It is：The concrete cavity body（3）For reinforced concrete structure, including base plate（3-3）With the outer side shield for surrounding ring-type（3-
1）, the base plate（3-3）It is arranged in sea bed face（7）On, its bottom passes through blotter（8）Leveling, the outer side shield（3-1）
Periphery be provided with jackstone protection（9）；The concrete cavity body（3）With concrete pier base（2）Outer wall surround a ring chamber
Body, has been evenly distributed multiple middle baffle plates in the ring-shaped cavity（3-2）, two neighboring middle baffle plate（3-2）Between formation office
Portion's cavity body（3-4）Multiple partial cavity's bodies（3-4）Radially it is evenly distributed on concrete pier base（2）Around so that gravity
Formula basis have from it is floating and can towage the characteristics of.
5. it is according to claim 1 it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure, its feature
It is：The truss-like blower fan support steel structure（4）Including platform（4-1）, main cylinder（4-2）, diagonal brace（4-3）, main leg（4-
4）, strut（4-5）, straddle（Or sleeve）（4-6）, main leg（4-4）And strut（4-5）Section is adopted for the steel pipe of annulus, is supportted
Bar（4-5）Inclination is welded on across main leg（4-4）Between, platform（4-1）It is arranged in main leg（4-4）Top, main cylinder（4-2）
By diagonal brace（4-3）It is fixed on platform（4-1）On, straddle（Or sleeve）（4-6）Integral type is connected to main leg（4-4）Lower end, purlin
Posture blower fan support steel structure（4）By straddle（Or sleeve）（4-6）Insert pre-buried docking steel pipe（1）, and use grouting material（5）
By truss-like blower fan supporting construction（4）With concrete pier base（2）Connection be formed as it is a kind of can towage truss-gravity type combination
Offshore wind turbine foundation structure.
6. it is according to claim 1 it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure, its feature
It is：Adjacent two main legs（4-4）Between be provided with multigroup strut intersecting two-by-two（4-5）, multigroup strut intersecting two-by-two（4-5）
Main leg is located at respectively（4-4）Different elevations on, the extreme high tide level of the offshore wind turbine foundation is in uppermost one group of support
Bar（4-5）Crosspoint top, the mean sea level of the offshore wind turbine foundation is in uppermost one group of strut（4-5）Friendship
Near crunode, the design low tide of the offshore wind turbine foundation is in second group of strut（4-5）With main leg（4-4）Junction it is attached
Closely.
7. it is a kind of can towage the combination of truss-gravity type offshore wind turbine foundation structure split type construction method, its feature exists
It is as follows in step：
A, claim 1-5, the gravity type foundation any one of 6 and claim 1,5, any one of 6 are made respectively
Described truss-like blower fan supporting construction 4；
B, gravity type foundation is transported to by seat in the plane by towboat, sinks down into design attitude, jackstone filling；
C, truss-like blower fan supporting construction 4 is transported into blower fan seat in the plane, will lifting its enter water, dock with the pre-buried steel pipe 1 that docks, and fill
Slurry is connected to become an entirety.
8. it is according to claim 6 can the combination of towage truss-gravity type offshore wind turbine foundation structure split type construction
Method, it is characterised in that：Described split type construction method is fabricated separately gravity type foundation and truss-like blower fan supporting construction 4,
And gravity type foundation and truss-like blower fan supporting construction 4 are transported respectively, reduce the center of gravity of gravity type foundation；Transport gravity type foundation
When, using the cavity of gravity type foundation buoyancy is formed from floating on sea, hauled by towboat；Truss-like blower fan supports knot
Structure 4 connects into an entirety with gravity type foundation by grouting material 5.
9. it is a kind of can the combination of towage truss-gravity type offshore wind turbine foundation structure monoblock type construction method, it is characterised in that
Step is as follows：
A, claim 1-5, the gravity type foundation any one of 6 and claim 1,5, any one of 6 are made respectively
Described truss-like blower fan supporting construction 4；
B, the truss-like blower fan supporting construction 4 made and prefabricated cavity gravity type concrete foundation are assembled, and are passed through
Grouting material 5 is linked to be mass-type foundation structure；
C, by foundation structure entirety towage to blower fan seat in the plane, sink down into design attitude, jackstone filling.
10. it is according to claim 8 can the combination of towage truss-gravity type offshore wind turbine foundation structure monoblock type construction
Method, it is characterised in that：It is fabricated separately gravity type concrete foundation and truss-like blower fan supporting construction 4, and in the overall group of harbour
Dress；Truss-like blower fan supporting construction 4 connects into an entirety with gravity type concrete foundation by grouting material 5；Whole Transporting
The basis, buoyancy is formed from floating on sea using the cavity of gravity type foundation, is hauled by towboat.
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| CN108625390A (en) * | 2018-06-13 | 2018-10-09 | 中国电建集团华东勘测设计研究院有限公司 | 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 |
| CN113417309A (en) * | 2021-07-15 | 2021-09-21 | 中广核(福建)风力发电有限公司 | Offshore wind power assembled steel structure fan cushion cap |
| 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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| CN203475463U (en) * | 2013-09-24 | 2014-03-12 | 广东明阳风电产业集团有限公司 | Offshore wind turbine foundation with concrete caisson and steel pipe frame steel structure combined |
| CN203701139U (en) * | 2014-01-24 | 2014-07-09 | 熊翱 | Jacket with gravity type caisson base |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476270A (en) * | 2017-07-07 | 2017-12-15 | 中国能源建设集团广东省电力设计研究院有限公司 | Gravity type jacket offshore boosting station |
| CN108625390A (en) * | 2018-06-13 | 2018-10-09 | 中国电建集团华东勘测设计研究院有限公司 | 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 |
| 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 |
| CN113417309A (en) * | 2021-07-15 | 2021-09-21 | 中广核(福建)风力发电有限公司 | Offshore wind power assembled steel structure fan cushion cap |
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Application publication date: 20170510 |