CN109537621A - A kind of combined type sea windward electricity bucket foundation - Google Patents
A kind of combined type sea windward electricity bucket foundation Download PDFInfo
- Publication number
- CN109537621A CN109537621A CN201811556115.3A CN201811556115A CN109537621A CN 109537621 A CN109537621 A CN 109537621A CN 201811556115 A CN201811556115 A CN 201811556115A CN 109537621 A CN109537621 A CN 109537621A
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- cover
- girder
- buttress
- collar tie
- column
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- 230000005611 electricity Effects 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 239000008141 laxative Substances 0.000 claims 1
- 230000002475 laxative effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
Abstract
The invention discloses a kind of combined type sea windward electricity bucket foundations, for installing offshore wind turbine, including sheath skirt, cover, collar tie beam, girder, reinforced concrete upright column, steel changeover portion, support rod, buttress and secondary beam, cover is cirque structure and the top for being set to sheath skirt, column bottom plate is provided in the middle part of cover, column is columnar structured and is set to above column bottom plate, centered on column, uniformly radial to be disposed with girder, girder outermost is equipped with collar tie beam；It is circumferential in the middle part of girder to be equipped with collar tie beam；Secondary beam is radially evenly arranged in the beam lattice that girder and collar tie beam are formed；Steel changeover portion be it is columnar structured, top is connect with blower fan tower barrel；The lower part of steel changeover portion is equipped with lower flange I；Lower flange I is embedded at the top of column；Centered on steel changeover portion, inclination has been evenly arranged 3~12 support rods；Buttress is evenly arranged in the edge of cover upper plate.The device has self-buoyancy, and when installation can carry out sinking installation by negative pressure.
Description
Technical field
The present invention relates to Oversea wind power generation fields, and in particular to a kind of combined type sea windward electricity bucket foundation.
Background technique
The development of society and the progress of productivity keep the mankind increasing to the dependence of fossil energy, environmental pollution, the whole world
The problems such as warming occurs therewith.With a large amount of exploitations of fossil energy, the mankind also face the challenge of energy crisis.In order to protect
Environment, the sustainable development for containment global warming, ensureing energy security, safeguarding human society, countries in the world are increasingly heavier
Depending on the development and utilization to renewable energy.Wind energy can be fine as a kind of huge novel renewable and clean energy resource of reserves
Substitute of the ground as traditional high pollution high energy consumption power supply resource.The utilization of wind power generation is broadly divided into land power generation and sea
Upper two kinds of power generation.Compared with land wind-powered electricity generation, the advantage of offshore wind farm is to economize the land resource, and wind speed is high, has stable
Cardinal wind allows to install the bigger Wind turbines of single-machine capacity, realizes higher output.Therefore, many coastal states have incited somebody to action
Offshore wind farm is as great development and research direction.
At sea in the construction of wind power plant, the ratio that the cost of foundation structure accounts for total cost is higher, according to marine wind electric field
The different place hydrology, geological conditions, select different foundation structure patterns, be guarantee offshore wind farm crew base stability,
The key of reliability and economy.The factors such as structural shape, complex environment condition of multiplicity make grinding in terms of foundation structure
Study carefully the research emphasis and difficult point as offshore wind farm field.
With in recent years, energetically support of the country for offshore wind farm, the offshore wind farm in China is vigorously upward to be continued
In continuous development, for the skill of selection, the construction of foundation pattern of neritic zone (0~30m of the depth of water) construction marine wind electric field etc.
Art relative maturity；For pelagic division (depth of water > 50m), the basis of marine wind electric field is built, since cost etc. is a series of
Factor, industry also substantially final conclusion use floatation type, but be also for the various forms of floatation type it is multifarious, also continuing not
In disconnected research；And for intermediate sea area (30~50m of the depth of water), lack a kind of adaptation China marine geo-hazard feature at present
And offshore wind power foundation structural shape that safety economy is applicable.For sea area among China, the sea areas such as Guangdong, Fujian sea
Bed surface is there are thicker mud, if traditional basis is using it is insufficient to generate basic resistance to capsizing, rigidity
Not enough, a series of problems, such as manufacturing process requires high, is not easy to repair, and the basic cost of investment is huge.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provide it is a kind of be suitable for sea bed surface layer and exist be more than
The ground of 10m thickness soft layer, combined type sea windward electricity bucket foundation of the depth of water in 30~50m, it is intended to make basis structure by
Power is more reasonable, and easy for construction.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of combined type sea windward electricity bucket foundation, for installing offshore wind turbine, including sheath skirt, cover, collar tie beam, girder,
Reinforced concrete upright column, steel changeover portion, support rod, buttress and secondary beam, the cover are cirque structure and are set to sheath skirt
Top, the sheath skirt is the cylinder-shaped Semi-seal structure that Open Side Down, and cover is made of cover upper plate and cover lower plate,
Column bottom plate is provided in the middle part of the cover, the reinforced concrete upright column is columnar structured and is set to the column bottom plate
Top, centered on reinforced concrete upright column, uniformly radial to be disposed with 3~12 girders, girder outermost is equipped with described
Collar tie beam；It is circumferential equipped with collar tie beam described in 1~5 in the middle part of the girder；Radially it is evenly arranged 1 in the beam lattice that girder and collar tie beam are formed~
5 secondary beams；The girder, collar tie beam are consistent with the deck-molding of secondary beam；The cover upper plate and cover lower plate are respectively arranged at master
The top and bottom of beam, collar tie beam, secondary beam；The sum of girder height, cover bottom plate thickness, cover upper plate thickness and the column
Base plate thickness is identical；
The steel changeover portion be it is columnar structured, top be equipped with upper flange, connect by upper flange with blower fan tower barrel；Steel
The lower part of matter changeover portion is equipped with lower flange I；At the top of the lower flange I embedment reinforced concrete upright column, and pass through deformed bar I
Lower flange I is anchored in reinforced concrete upright column；
Centered on the steel changeover portion, inclination has been evenly arranged 3~12 support rods, and the inclination angle of support rod is
30 °~75 °；Support bar top and steel changeover portion are welded to connect；Support rod bottom is equipped with lower flange II；It is equipped at lower flange II
The buttress；The buttress is evenly arranged in the edge of cover upper plate, and buttress bottom is connect with cylinder top cover lower plate；Lower flange
II is embedded at the top of buttress, and lower flange II is anchored in buttress by deformed bar II.
Further, the material of the upper flange, lower flange I and lower flange II is steel.
Further, cover lower plate, collar tie beam, cover upper plate, girder, column bottom plate, secondary beam and buttress are reinforcing bar
Concrete material.
Further, cover lower plate, collar tie beam, cover upper plate, girder, reinforced concrete upright column, column bottom plate, secondary beam
Entirety is connected as by concreting with buttress.
Further, the offshore wind farm bucket foundation is suitable for the depth of water in 30~50m, and sea bed surface layer exists more than 10m
The ground of thickness soft layer.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
Combined type sea windward electricity bucket foundation of the present invention is suitable for the depth of water in 30~50m, and sea bed surface layer exists more than 10m thickness
Spend the ground of soft layer.Entire basis can be integral prefabricated by land, has a self-buoyancy, and when installation can be carried out quick by negative pressure
Sink to installing.This foundation structure can significantly shorten the offshore construction activity duration, reduce the steel using amount on basis, reduce engineering
Cost.
Detailed description of the invention
Fig. 1 is the front cross-sectional structural schematic diagram of offshore wind farm bucket foundation of the present invention.
The overlooking structure diagram of Fig. 2 offshore wind farm bucket foundation of the present invention.
Appended drawing reference: 1, sheath skirt；2, cover lower plate；3, collar tie beam；4, cover upper plate；5, girder；6, armored concrete
Column；7, steel changeover portion；8, upper flange；9-1, lower flange I；9-2, lower flange II；10, support rod；11-1, deformed bar
I；11-2, deformed bar II；12, buttress；13, column bottom plate；14, secondary beam.
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:
The present invention relates to a kind of combined type sea windward electricity bucket foundations, by sheath skirt 1, cover lower plate 2, collar tie beam 3, cover
Bottom plate 4, girder 5, reinforced concrete upright column 6, steel changeover portion 7, upper flange 8, lower flange I 9-1, lower flange II 9-2, support
Bar 10, deformed bar I 11-1, deformed bar II 11-2, buttress 12, column bottom plate 13, secondary beam 14 form；
The bucket foundation can be divided into substructure and superstructure, and substructure is by sheath skirt 1, cover lower plate 2, collar tie beam
3, the downward opening semitight knot that cover upper plate 4, girder 5, reinforced concrete upright column 6, column bottom plate 13, secondary beam 14 form
Structure；Superstructure is by reinforced concrete upright column 6, steel changeover portion 7, upper flange 8, lower flange I 9-1, lower flange II 9-2, branch
Strut 10, deformed bar I 11-1, deformed bar I 11-2, buttress composition 12；
Sheath skirt 1 is steel material, columnar structured, wall thickness 25mm, outer diameter 45m, height 12m；The top of sheath skirt 1 is connected with
Cover, cover are made of cover lower plate 2 and cover upper plate 4.It is inserted into cover lower plate 2 at the top of sheath skirt 1, and goes to the bottom with cover
The connection of 2 inside reinforcement welding of plate, the two shape are integral；
The center of cover is reinforced concrete upright column 6, and reinforced concrete upright column 6 is columnar structured, wall thickness 70cm, internal diameter
4.3m, height 20m；6 bottom of reinforced concrete upright column is equipped with column bottom plate 13, plate thickness 1.5m；In being with reinforced concrete upright column 6
The heart, it is uniformly radial to arrange 6 girders 5, deck-molding 0.9m, width 1.2m；5 outermost of girder is equipped with collar tie beam 3；5 middle part of girder is in ring
To equipped with 1 collar tie beam 3；1 secondary beam 14 is radially evenly arranged in the beam lattice that girder 5 and collar tie beam 3 are formed；Girder 5, collar tie beam 3, secondary beam
14 deck-moldings are consistent, 3 width 0.8m of collar tie beam, 14 width 0.8m of secondary beam；Girder 5, collar tie beam 3,14 bottom and top of secondary beam are respectively equipped with cover
Lower plate 2 and cover upper plate 4；Cover lower plate 2, cover upper plate 4 are cirque structure, plate thickness 0.3m；Cover lower plate
4, collar tie beam 3, cover upper plate 2, girder 5, column bottom plate 13,14 material of secondary beam are Reinforced Concrete Materials；Cover lower plate 4,
Collar tie beam 3, cover upper plate 2, girder 5, reinforced concrete upright column 6, column bottom plate 13, secondary beam 14 are connected by concreting
It is integral；
Steel changeover portion 7 is columnar structured, wall thickness 70mm, internal diameter 4.93m, height 15m；Its top is equipped with upper flange 8,
It is attached by upper flange 8 with blower fan tower barrel；7 lower part of steel changeover portion is equipped with lower flange I 9-1；Lower flange I is embedded to reinforcing bar
6 at the top of concrete column, and lower flange I 9-1 is anchored in reinforced concrete upright column by deformed bar I 11-1；On
Flange 8 and lower flange I 9-1 material are steel；
Centered on steel changeover portion 7, inclination is evenly arranged support rod 10,6, wall thickness 30, internal diameter 2m；Support rod 10
Top and steel changeover portion 7 are welded to connect；10 bottom of support rod is equipped with lower flange II 9-2；Buttress is equipped at lower flange II 9-2
12；Buttress material is armored concrete, and lower flange II 9-2 material is steel；Buttress 12 is evenly arranged in 4 side of cover upper plate
Edge, 12 bottom of buttress are connect with cylinder top cover lower plate 2；Buttress 12 and cover upper plate 4, cover lower plate 2, collar tie beam 3, girder 5
It pours and is integrated；Lower flange II 9-2 is embedded to 12 top of buttress, and passes through deformed bar II 11-2 for lower flange II 9-2
It is anchored in buttress.
The concrete construction method of the present embodiment is as follows:
(1) this novel combination type offshore wind farm bucket foundation is manufactured in factory by land first.
(2) by this structure basis towage to designated mounting place.
(3) sunk by taking out negative pressure, lower sheath skirt part is pressed into sea bed, connects its cover lower plate closely with sea bed face
Touching.
(4) basis installs.
The present invention is not limited to embodiments described above.Above the description of specific embodiment is intended to describe and say
Bright technical solution of the present invention, the above mentioned embodiment is only schematical, is not restrictive.This is not being departed from
In the case of invention objective and scope of the claimed protection, those skilled in the art may be used also under the inspiration of the present invention
The specific transformation of many forms is made, within these are all belonged to the scope of protection of the present invention.
Claims (5)
1. a kind of combined type sea windward electricity bucket foundation, for installing offshore wind turbine, which is characterized in that including sheath skirt, cover, circle
Beam, girder, reinforced concrete upright column, steel changeover portion, support rod, buttress and secondary beam, the cover are cirque structure and set
It is placed in the top of sheath skirt, the sheath skirt is the cylinder-shaped Semi-seal structure that Open Side Down, and cover is by under cover upper plate and cover
Bottom plate composition, is provided with column bottom plate in the middle part of the cover, and the reinforced concrete upright column is columnar structured and be set to institute
It states above column bottom plate, centered on reinforced concrete upright column, uniformly radial to be disposed with 3~12 girders, girder is outermost
Side is equipped with the collar tie beam；It is circumferential equipped with collar tie beam described in 1~5 in the middle part of the girder；It is radial in the beam lattice that girder and collar tie beam are formed
It is evenly arranged 1~5 secondary beam；The girder, collar tie beam are consistent with the deck-molding of secondary beam；The cover upper plate and cover lower plate point
It is not set to the top and bottom of girder, collar tie beam, secondary beam；The sum of girder height, cover bottom plate thickness, cover upper plate thickness
It is identical as the column base plate thickness；
The steel changeover portion be it is columnar structured, top be equipped with upper flange, connect by upper flange with blower fan tower barrel；Steel mistake
The lower part for crossing section is equipped with lower flange I；At the top of lower flange I embedment reinforced concrete upright column, and by deformed bar I will under
Flange I is anchored in reinforced concrete upright column；
Centered on the steel changeover portion, inclination has been evenly arranged 3~12 support rods, and the inclination angle of support rod is 30 °
~75 °；Support bar top and steel changeover portion are welded to connect；Support rod bottom is equipped with lower flange II；Institute is equipped at lower flange II
State buttress；The buttress is evenly arranged in the edge of cover upper plate, and buttress bottom is connect with cylinder top cover lower plate；Lower flange II
It is embedded at the top of buttress, and lower flange II is anchored in buttress by deformed bar II.
2. a kind of combined type sea windward electricity bucket foundation according to claim 1, which is characterized in that the upper flange, laxative remedy
The material of blue I and lower flange II are steel.
3. a kind of combined type sea windward electricity bucket foundation according to claim 1, which is characterized in that cover lower plate, collar tie beam,
Cover upper plate, girder, column bottom plate, secondary beam and buttress are Reinforced Concrete Materials.
4. a kind of combined type sea windward electricity bucket foundation according to claim 1, which is characterized in that cover lower plate, collar tie beam,
Cover upper plate, girder, reinforced concrete upright column, column bottom plate, secondary beam and buttress are connected as entirety by concreting.
5. a kind of combined type sea windward electricity bucket foundation according to claim 1, which is characterized in that the offshore wind farm cartridge type
Basis is suitable for the depth of water in 30~50m, and sea bed surface layer has the ground more than 10m thickness soft layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556115.3A CN109537621A (en) | 2018-12-19 | 2018-12-19 | A kind of combined type sea windward electricity bucket foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811556115.3A CN109537621A (en) | 2018-12-19 | 2018-12-19 | A kind of combined type sea windward electricity bucket foundation |
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| Publication Number | Publication Date |
|---|---|
| CN109537621A true CN109537621A (en) | 2019-03-29 |
Family
ID=65855761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811556115.3A Pending CN109537621A (en) | 2018-12-19 | 2018-12-19 | A kind of combined type sea windward electricity bucket foundation |
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| Country | Link |
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| CN (1) | CN109537621A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424442A (en) * | 2019-06-28 | 2019-11-08 | 天津大学 | A kind of elasticity transition section cylinder-shaped foundation structure and its construction method |
| CN111923207A (en) * | 2020-08-04 | 2020-11-13 | 中铁大桥局上海工程有限公司 | Prefabricated stand column storage overturn-preventing construction device and construction method thereof |
| CN111927715A (en) * | 2020-07-27 | 2020-11-13 | 湖南砼联科技有限责任公司 | Transition ring for fan, fan and installation method of fan |
| CN114563241A (en) * | 2022-02-28 | 2022-05-31 | 天津大学 | Reduced scale model fatigue sample for simulating deep level platform floating body structure and manufacturing method thereof |
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| CN106759445A (en) * | 2017-02-23 | 2017-05-31 | 天津大学 | A kind of combined type bucket foundation with skirtboard and its construction method |
| CN107761755A (en) * | 2017-11-30 | 2018-03-06 | 天津大学 | A kind of compound bucket foundation of offshore wind farm |
| CN209636848U (en) * | 2018-12-19 | 2019-11-15 | 天津大学 | A kind of combined type sea windward electricity bucket foundation |
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| CN103243735A (en) * | 2013-05-11 | 2013-08-14 | 天津大学 | Prestressed concrete cylindrical foundation with oblique supports |
| CN203906192U (en) * | 2014-06-13 | 2014-10-29 | 湖南大学 | Connection transition device for prestressed concrete tower section and steel tower section of combined wind power tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424442A (en) * | 2019-06-28 | 2019-11-08 | 天津大学 | A kind of elasticity transition section cylinder-shaped foundation structure and its construction method |
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| CN111923207A (en) * | 2020-08-04 | 2020-11-13 | 中铁大桥局上海工程有限公司 | Prefabricated stand column storage overturn-preventing construction device and construction method thereof |
| CN114563241A (en) * | 2022-02-28 | 2022-05-31 | 天津大学 | Reduced scale model fatigue sample for simulating deep level platform floating body structure and manufacturing method thereof |
| CN114563241B (en) * | 2022-02-28 | 2024-04-05 | 天津大学 | Reduced scale model fatigue test sample for simulating floating body structure of deepwater platform and manufacturing method thereof |
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