CN108775022A - Accessory structure and its construction method are integrated suitable for ice formation offshore wind turbine foundation - Google Patents
Accessory structure and its construction method are integrated suitable for ice formation offshore wind turbine foundation Download PDFInfo
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- CN108775022A CN108775022A CN201810836145.3A CN201810836145A CN108775022A CN 108775022 A CN108775022 A CN 108775022A CN 201810836145 A CN201810836145 A CN 201810836145A CN 108775022 A CN108775022 A CN 108775022A
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- pile foundation
- wind turbine
- ice
- accessory structure
- collar tie
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 17
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 16
- 239000011440 grout Substances 0.000 claims abstract description 15
- 239000008267 milk Substances 0.000 claims abstract description 12
- 210000004080 milk Anatomy 0.000 claims abstract description 12
- 235000013336 milk Nutrition 0.000 claims abstract description 12
- 241000282326 Felis catus Species 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 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
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
-
- 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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- 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)
- Foundations (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to one kind being suitable for the integrated accessory structure of ice formation offshore wind turbine foundation and its construction method.The object of the present invention is to provide a kind of simple in structure, easy for construction, lower-cost ice formation offshore wind turbine foundations that is suitable for integrate accessory structure and its construction method.The technical scheme is that：One kind being suitable for ice formation offshore wind turbine foundation and integrates accessory structure, the integrated accessory structure can integral assembling in pile foundation, and be supported on the bracket of pile foundation pile body surface programming；Integrated accessory structure is from top to bottom equipped with wind turbine outer platform, anti-ice cone and sacrificial anode successively, the supporting rod arranged vertically through several between wind turbine outer platform, anti-ice cone and sacrificial anode connects into an entirety, is connected through several cyclic annular collar tie beams between supporting rod and supporting rod；There are anti-ice cone several grouting collar tie beams that can be placed in pile foundation, grouting collar tie beam to be connected with supporting rod, and the collar tie beam that is in the milk is equipped with grout groove towards pile foundation side.The present invention is suitable for Oversea wind power generation industry.
Description
Technical field
The present invention relates to one kind being suitable for the integrated accessory structure of ice formation offshore wind turbine foundation and its construction method.Suitable for sea
Upper wind power industry.
Background technology
At sea in the construction of wind power plant, the research of wind power foundation structure is the key points and difficulties in the field.Offshore wind turbine
Basis will usually be faced with the challenge of the complicated sea situation environment such as wind, wave, ocean current.In the marine sites such as the Bohai Sea and Northern Huanghai Sea due to meeting
There is sea ice ice condition, still suffers from the collision of sea ice force and extruding and ice impulse the dynamic risk for causing to destroy, therefore ice
Load is the load for needing emphasis to consider when the above marine site fan foundation structure design.
Currently, the Main of ice formation marine site blower foundation anti-ice is the tidal range section installation anti-ice cone on basis.Anti-ice
Cone is typically irregular large-scale steel structure, generally requires and is installed after basic pile sinking, but since blower foundation itself is installed
Have by accessory structures such as ship anticollision, cat ladder, outer platform, cable tube, sacrificial anodes, when being installed step by step, there is construction efficiency
It is low, take longer, costly, the shortcomings of the lifting construction operation the more more are easy to happen collision.Anti-ice cone connects with basis simultaneously
The usual manner connect is on the basis of being sleeved on using one section of long sleeve, then will to be in the milk between sleeve and basis, which
It expends grouting material and steel is more, cost is higher.
Invention content
The technical problem to be solved by the present invention is to：In view of the above problems, a kind of simple in structure, construction party is provided
Just, the lower-cost ice formation offshore wind turbine foundation that is suitable for integrates accessory structure and its construction method.
The technical solution adopted in the present invention is：One kind being suitable for ice formation offshore wind turbine foundation and integrates accessory structure, special
Sign is：The integrated accessory structure can integral assembling in pile foundation, and be supported in the bracket of pile foundation pile body surface programming
On；
The integrated accessory structure is from top to bottom equipped with wind turbine outer platform, anti-ice cone and sacrificial anode, the wind successively
The supporting rod arranged vertically through several between machine outer platform, anti-ice cone and sacrificial anode connects into an entirety, supporting rod
It is connected through several cyclic annular collar tie beams between supporting rod；
The anti-ice cone has several grouting collar tie beams that can be placed in the pile foundation, grouting collar tie beam and the support
Bar is connected, and the collar tie beam that is in the milk is equipped with grout groove towards pile foundation side；
Several grouting pipelines are equipped in the pile foundation, the grout outlet for the pipeline that is in the milk encloses after pile foundation with the grouting
The grouting groove location of beam corresponds to.
The anti-ice cone has the upper conical surface of upper and lower mirror-image arrangement and the lower conical surface, through annular between the upper conical surface and the lower conical surface
Pipe is connected, and is connected through inner support between the upper and lower conical surface and ring pipe and grouting collar tie beam and the supporting rod.
The internal supporting bar is mainly the cancelled structure being made of montant, horizon bar and brace etc..
It is connected through cat ladder structure between the wind turbine outer platform and anti-ice cone, corresponding cat ladder structure fills in anti-ice cone
Have and leans on ship anti-collision system.
It is described to be fixed on the upper conical surface and the lower conical surface of anti-ice cone by welding or flanged joint by ship anti-collision system.
A kind of construction method integrating accessory structure suitable for ice formation offshore wind turbine foundation, it is characterised in that step is such as
Under：
S01, integrated accessory structure and pile foundation are made；
It makes and integrates accessory structure：It makes wind turbine outer platform respectively first, anti-ice cone, sacrificial anode, cat ladder structure, lean on
Ship anti-collision system, cyclic annular collar tie beam and supporting rod；Then by wind turbine outer platform, anti-ice cone, sacrificial anode, cat ladder structure, lean on ship
Anti-collision system is welded into an entirety by cyclic annular collar tie beam and supporting rod；
Make pile foundation：The inner wall of pile foundation lays grouting pipeline, and the grout outlet for the pipeline that is in the milk exposes after pile foundation
In pile foundation outer wall, bracket is arranged in pile foundation outer wall lower part；
S02, pile foundation piling construction is carried out；
After the completion of S03, pile foundation pile sinking, integrated form accessory structure is integrally sleeved in pile foundation by crane ship, is integrated
Formula accessory structure integrally covers lower end and is supported on the bracket of pile foundation；
It is fixed by using the form of bolt clam member between S04, cyclic annular collar tie beam and pile foundation；
S05, to being in the milk between the grout groove and pile foundation of collar tie beam be in the milk by the grouting pipeline in pile foundation
Construction.
The beneficial effects of the invention are as follows：The present invention by anti-ice cone, wind turbine outer platform, by ship anti-collision system, cat ladder structure,
The blower foundations Accessory Members such as sacrificial anode are become one by collar tie beam and supporting rod, and land fabrication reduces operation on the sea work
Sequence, sea grouting construction process only between collar tie beam and single pile main body, more conventional telescopic grouting connection type save grouting works
Amount and Potential Working Time For Operation At Sea are conducive to save cost.
Integrated form accessory structure is sitting in by own wt on the bracket of pile foundation peripheral hardware securely in the present invention, is led to simultaneously
The form for crossing the grouting of grouting collar tie beam and outer bolt fastening in anti-ice cone, enhances the anti-torsion ability of integrated form accessory structure,
It ensure that its reliability being connect with pile body.
Grouting pipeline is set in pile foundation by the present invention, reduces influence of the operation on the sea environment to grouting construction.This hair
It is bright to increase anti-ice cone between high water level and low water level, it will effectively enhance blower foundation anti-ice ability and lean on ship anticollision ability；
Cancelled structure is used inside anti-ice cone, is increased the overall stiffness of anti-ice cone, is improved anti-ice ability.
Description of the drawings
Fig. 1 is the structural schematic diagram of embodiment.
Fig. 2 is the sectional side elevation of embodiment.
Fig. 3 is the cross sectional view of embodiment moderate resistance ice piton body region.
Specific implementation mode
As shown in FIG. 1 to 3, the present embodiment is a kind of suitable for the integrated accessory structure of ice formation offshore wind turbine foundation, the collection
At accessory structure can integral assembling in pile foundation 11, and be supported on the bracket 7 of 11 pile body surface programming of pile foundation.
Accessory structure is integrated in the present embodiment has anti-ice cone 6, wind turbine outer platform 1, by ship anti-collision system 3, cat ladder knot
Structure 2, sacrificial anode 12, the cyclic annular components such as collar tie beam 5 and supporting rod 4.
This example moderate resistance ice piton body 6 has the upper conical surface 601, the lower conical surface 602, ring pipe 604 and several can be set in pile foundation
Grouting collar tie beam 603 on plinth 11, grouting collar tie beam 603 and grouting collar tie beam 603 are coaxially arranged, the upper conical surface 601, the lower conical surface 602 and ring
Shape pipe 604 is set in outside grouting collar tie beam 603, is upper and lower mirror, the upper conical surface 601 between the upper conical surface 601 and the lower conical surface 602
It is connected through ring pipe 604 between the lower conical surface 602, is passed through between the upper and lower conical surface 601,602 and ring pipe 604 and grouting collar tie beam 603
Inner support is connected.Inner support is mainly by 606 groups of vertical lattice component 605 and horizontal lattice component in this example
At cancelled structure.
Wind turbine outer platform 1, anti-ice cone 6 and sacrificial anode 12 are from top to bottom sequentially arranged in the present embodiment, flat outside wind turbine
It is connected through supporting rod 4 between platform 1, anti-ice cone 6 and sacrificial anode 12, is bored with anti-ice through several between supporting rod 4 and supporting rod 4
The coaxially arranged several cyclic annular collar tie beams 5 of the collar tie beam 603 that is in the milk in body 6 are connected, and supporting rod 4 connects with grouting collar tie beam 603 and cyclic annular collar tie beam 5
It connects to form a tubular frame structure that can be set in pile foundation 11.Wind turbine outer platform 1 is fixedly welded on tubular frame knot
Structure upper end, sacrificial anode 12 are welded on the undermost cyclic annular collar tie beam 5 of tubular frame structure or supporting rod 4.
It is connected through cat ladder structure 2 between wind turbine outer platform 1 and anti-ice cone 6 in this example, corresponding cat ladder structure 2 is bored in anti-ice
It is equipped on body 6 by ship anti-collision system 3 (the ship anti-collision system 3 of leaning in this example is currently used structure, therefore is not described in detail),
It is fixed on the upper conical surface 601 and the lower conical surface 602 of anti-ice cone 6 by welding or flanged joint by ship anti-collision system 3.
In the grout groove 8 of grouting collar tie beam 603 being formed with towards 11 side of pile foundation for grouting in the present embodiment；Pile foundation
Several grouting pipelines 10 are equipped in 11, the grout outlet 1001 of grouting pipeline 10 is exposed to 11 outer wall of pile foundation across pile foundation 11
On.When integrated accessory structure is set in pile foundation 11 and when on the bracket 7 that is supported in outside pile foundation 11, the pulp for the pipeline 10 that is in the milk
Mouth 1001 is corresponding with 8 position of grout groove of collar tie beam 603 of being in the milk in anti-ice cone 6.
Making and the construction method of installation that accessory structure is integrated in the present embodiment are as follows：
S01, integrated accessory structure and pile foundation 11 are made；
It makes and integrates accessory structure；Make wind turbine outer platform 1, anti-ice cone 6, sacrificial anode 12, cat ladder knot respectively first
Structure 2 leans on ship anti-collision system 3, cyclic annular collar tie beam 5 and supporting rod 4；Then by wind turbine outer platform 1, anti-ice cone 6, sacrificial anode 12,
Cat ladder structure 2 is welded into an entirety by ship anti-collision system 3 by cyclic annular collar tie beam 5 and supporting rod 4；
Make pile foundation 11；The inner wall of pile foundation 11 lays grouting pipeline 10, and the grout outlet 1001 of grouting pipeline 10 passes through
11 outer wall of pile foundation is exposed to after pile foundation 11, bracket 7 is arranged in 11 outer wall lower part of pile foundation；
S02,11 piling construction of pile foundation is carried out；
After the completion of S03,11 pile sinking of pile foundation, integrated form accessory structure is integrally sleeved in pile foundation 11 by crane ship,
Integrated form accessory structure integrally covers lower end and is supported on the bracket 7 of pile foundation 11；
S04, integrated form accessory structure cyclic annular collar tie beam 5 and pile foundation 11 between by using bolt clam member form
It is fixed；
S05, by pile foundation 11 grouting pipeline 10 to be in the milk collar tie beam 603 grout groove 8 and pile foundation 11 between into
Row grouting construction.
Claims (6)
1. one kind, which being suitable for ice formation offshore wind turbine foundation, integrates accessory structure, it is characterised in that：The integrated accessory structure can be whole
Body is set in pile foundation (11), and is supported on the bracket (7) of pile foundation (11) pile body surface programming；
The integrated accessory structure is from top to bottom equipped with wind turbine outer platform (1), anti-ice cone (6) and sacrificial anode (12) successively,
The supporting rod (4) arranged vertically through several between the wind turbine outer platform (1), anti-ice cone (6) and sacrificial anode (12) is even
It is connected into an entirety, is connected through several cyclic annular collar tie beams (5) between supporting rod (4) and supporting rod (4)；
The anti-ice cone (6) has several grouting collar tie beams (603) that can be placed in the pile foundation (11), and be in the milk collar tie beam
(603) it is connected with the supporting rod (4), grouting collar tie beam (603) is formed with grout groove (8) towards pile foundation (11) side；
Several grouting pipelines (10) are equipped in the pile foundation (11), the grout outlet (1001) of grouting pipeline (10) passes through pile foundation
(11) corresponding with grout groove (8) position of grouting collar tie beam (603) afterwards.
2. the ice formation offshore wind turbine foundation according to claim 1 that is suitable for integrates accessory structure, it is characterised in that：It is described anti-
Ice piton body (6) has the upper conical surface (601) and the lower conical surface (602) of upper and lower mirror-image arrangement, the upper conical surface (601) and the lower conical surface (602)
Between be connected through ring pipe (604), the upper and lower conical surface (601,602) and ring pipe (604) and the grouting collar tie beam (603) and prop up
It is connected through inner support between strut (4).
3. the ice formation offshore wind turbine foundation according to claim 2 that is suitable for integrates accessory structure, it is characterised in that：In described
Portion's supporting member is mainly the cancelled structure being made of vertical lattice component (605) and horizontal lattice component (606).
4. the ice formation offshore wind turbine foundation according to claim 2 that is suitable for integrates accessory structure, it is characterised in that：The wind
It is connected through cat ladder structure (2) between machine outer platform (1) and anti-ice cone (6), corresponding cat ladder structure (2) is in anti-ice cone (6)
Equipped with by ship anti-collision system (3).
5. the ice formation offshore wind turbine foundation according to claim 4 that is suitable for integrates accessory structure, it is characterised in that：It is described to lean on
Ship anti-collision system (3) is fixed on the upper conical surface (601) and the lower conical surface (602) of anti-ice cone (6) by welding or flanged joint
On.
6. being suitable for the construction party that ice formation offshore wind turbine foundation integrates accessory structure described in a kind of Claims 1 to 5 any one
Method, it is characterised in that steps are as follows：
S01, integrated accessory structure and pile foundation (11) are made；
It makes and integrates accessory structure：Make wind turbine outer platform (1), anti-ice cone (6), sacrificial anode (12), cat ladder respectively first
Structure (2) leans on ship anti-collision system (3), cyclic annular collar tie beam (5) and supporting rod (4)；Then by wind turbine outer platform (1), anti-ice cone
(6), sacrificial anode (12), cat ladder structure (2), be welded by cyclic annular collar tie beam (5) and supporting rod (4) by ship anti-collision system (3)
One entirety；
Make pile foundation (11)：The inner wall of pile foundation (11) lays grouting pipeline (10), the grout outlet of grouting pipeline (10)
(1001) it is exposed to pile foundation (11) outer wall after passing through pile foundation (11), bracket (7) is arranged in pile foundation (11) outer wall lower part；
S02, pile foundation (11) piling construction is carried out；
After the completion of S03, pile foundation (11) pile sinking, integrated form accessory structure is integrally sleeved in pile foundation (11) by crane ship,
Integrated form accessory structure integrally covers lower end and is supported on the bracket (7) of pile foundation (11)；
It is fixed by using the form of bolt clam member between S04, cyclic annular collar tie beam (5) and pile foundation (11)；
S05, by the grouting pipeline (10) in pile foundation (11) to grout groove (8) and the pile foundation (11) of grouting collar tie beam (603)
Between carry out carry out grouting construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836145.3A CN108775022B (en) | 2018-07-26 | 2018-07-26 | Integrated auxiliary structure suitable for offshore wind turbine foundation in ice region and construction method of integrated auxiliary structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810836145.3A CN108775022B (en) | 2018-07-26 | 2018-07-26 | Integrated auxiliary structure suitable for offshore wind turbine foundation in ice region and construction method of integrated auxiliary structure |
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| Publication Number | Publication Date |
|---|---|
| CN108775022A true CN108775022A (en) | 2018-11-09 |
| CN108775022B CN108775022B (en) | 2024-07-23 |
Family
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| CN201810836145.3A Active CN108775022B (en) | 2018-07-26 | 2018-07-26 | Integrated auxiliary structure suitable for offshore wind turbine foundation in ice region and construction method of integrated auxiliary structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868834A (en) * | 2019-04-03 | 2019-06-11 | 中交第三航务工程局有限公司 | A kind of large diameter single pile foundation anti-ice cone grouting system and construction method |
| CN110130387A (en) * | 2019-04-29 | 2019-08-16 | 南通蓝岛海洋工程有限公司 | A kind of building technology of integrated form set cage |
| CN110409484A (en) * | 2019-06-19 | 2019-11-05 | 中广核如东海上风力发电有限公司 | A kind of novel fan basis sacrificial anode installation method |
| CN112049145A (en) * | 2020-09-18 | 2020-12-08 | 中国长江三峡集团有限公司 | Post-fabricated ice-resistant steel offshore wind power monopile foundation structure and its construction method |
| CN112727700A (en) * | 2021-01-18 | 2021-04-30 | 中国华能集团清洁能源技术研究院有限公司 | Cylindrical foundation of offshore wind power, lattice type anti-icing device and wind generating set |
| CN112727699A (en) * | 2021-01-18 | 2021-04-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind turbine foundation, construction method thereof, anti-icing device and wind turbine generator system |
| CN113047346A (en) * | 2021-04-08 | 2021-06-29 | 大连海事大学 | Anti ice structure of prismoid type suitable for offshore wind power basis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868834A (en) * | 2019-04-03 | 2019-06-11 | 中交第三航务工程局有限公司 | A kind of large diameter single pile foundation anti-ice cone grouting system and construction method |
| CN110130387A (en) * | 2019-04-29 | 2019-08-16 | 南通蓝岛海洋工程有限公司 | A kind of building technology of integrated form set cage |
| CN110409484A (en) * | 2019-06-19 | 2019-11-05 | 中广核如东海上风力发电有限公司 | A kind of novel fan basis sacrificial anode installation method |
| CN112049145A (en) * | 2020-09-18 | 2020-12-08 | 中国长江三峡集团有限公司 | Post-fabricated ice-resistant steel offshore wind power monopile foundation structure and its construction method |
| CN112727700A (en) * | 2021-01-18 | 2021-04-30 | 中国华能集团清洁能源技术研究院有限公司 | Cylindrical foundation of offshore wind power, lattice type anti-icing device and wind generating set |
| CN112727699A (en) * | 2021-01-18 | 2021-04-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind turbine foundation, construction method thereof, anti-icing device and wind turbine generator system |
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| CN113047346A (en) * | 2021-04-08 | 2021-06-29 | 大连海事大学 | Anti ice structure of prismoid type suitable for offshore wind power basis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108775022B (en) | 2024-07-23 |
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