CN110258612A - A kind of monoblock type installation more pile foundation structure systems of offshore wind farm - Google Patents
A kind of monoblock type installation more pile foundation structure systems of offshore wind farm Download PDFInfo
- Publication number
- CN110258612A CN110258612A CN201910574568.7A CN201910574568A CN110258612A CN 110258612 A CN110258612 A CN 110258612A CN 201910574568 A CN201910574568 A CN 201910574568A CN 110258612 A CN110258612 A CN 110258612A
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- China
- Prior art keywords
- tubular pole
- pile foundation
- cover board
- cushion cap
- coaming plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 title description 7
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 239000003351 stiffener Substances 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000010248 power generation Methods 0.000 claims abstract description 5
- 239000011440 grout Substances 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 210000004262 dental pulp cavity Anatomy 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 14
- 238000003466 welding Methods 0.000 abstract description 4
- 238000009417 prefabrication Methods 0.000 abstract description 3
- 238000007667 floating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 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
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of monoblock types to install the more pile foundation structure systems of offshore wind farm, is related to wind power generation field.The system includes buoyancy module cushion cap, tubular pole, peg, concrete etc..The buoyancy module cushion cap is prefabricated by the welding of tower linkage section, cover board, bottom plate, coaming plate and triangle ribbed stiffener, and hollow steel pipe or concrete filled steel tube can be used in the section form of tubular pole.After the completion of tube pile construction, buoyancy module cushion cap and top blower can integrally float haul to scene, carry out quick-assembling with tubular pole.The system uses the preferably more pile foundation forms of bearing capacity, rigidity and overall stability, and buoyancy module cushion cap and tubular pole can shift to an earlier date prefabrication, and scene is directly assembled, construction is simple and high-efficient, and can complete machine haul, reduce operation on the sea difficulty, have wide future in engineering applications.
Description
Technical field
The present invention relates to wind power generation fields.
Background technique
China's offshore wind speed is abundant, and for offshore wind farm compared with land, wind turbine power generation amount is higher, and operation is more stable, and not
Land occupation resource, therefore offshore wind farm is the important development direction in China's wind power new energy future.
With the continuous promotion of offshore wind farm installed power, single-pile foundation is compared, more pile foundations are steady in the rigidity of structure, entirety
In terms of qualitative and piling construction advantageously.The cushion cap of current more pile foundations mostly uses reinforced concrete pile cap, concrete cast-in-situ
The scale of construction is larger, and construction is inconvenient, while concrete bearing platform and its coagulation easily occurs under Fatigue Load with steel-pipe pile junction
Soil cracking, it is unfavorable to foundation bearing capacity and durability.
Operation on the sea environment is severe with respect to offshore, and uncontrollable factor is more.According to conventional construction method, need top wind
Mechanism member decomposes and is transported to scene in batches, then successively carries out foundation construction and blower lifting, increase the process of operation on the sea with
Difficulty influences construction speed and quality.
In summary, develop a kind of bearing capacity height, reliable in quality, it is easy for construction, whole drag can be carried out with top blower
Fortune and installation novel more pile foundation structure systems, be very it is necessary to.
Summary of the invention
The invention discloses a kind of monoblock types to install the more pile foundation structure systems of offshore wind farm, is related to wind power generation field.
The system includes buoyancy module cushion cap, tubular pole, peg, concrete etc..The buoyancy module cushion cap by tower linkage section, cover board, bottom plate, enclose
Plate and the welding of triangle ribbed stiffener are prefabricated, and hollow steel pipe or concrete filled steel tube can be used in the section form of tubular pole.The system uses
The preferably more pile foundation forms of bearing capacity, rigidity and overall stability, component can shift to an earlier date prefabrication, and scene is directly assembled,
Construction is simple and high-efficient, and complete machine floating haul and installation can be carried out with top blower, operation on the sea difficulty is reduced, is had wide
Wealthy future in engineering applications.
Technical scheme is as follows:
A kind of monoblock type installation more pile foundation structure systems of offshore wind farm, the system include buoyancy module cushion cap, tubular pole, tower company
Connect section, cover board, bottom plate, coaming plate, triangle ribbed stiffener, grout hole, reserved stake holes, peg, concrete, pile cap decking, circumferential steel
Muscle.
Buoyancy module cushion cap is by tower linkage section, cover board, bottom plate, coaming plate and triangle ribbed stiffener is prefabricated forms；Tower linkage section
Using steel tube section, side wall and coaming plate are welded, and bottom and cover board weld；Placing concrete in tower linkage section；Cover board four
Week welds with coaming plate, encloses upper chamber；Bottom plate surrounding and coaming plate weld, and enclose lower cavity；Upper chamber and lower part
The height ratio of cavity is 2:1；In upper chamber, it is uniformly arranged multiple tracks triangle ribbed stiffener, it is necessary in tubular pole corresponding position
Triangle ribbed stiffener is set, and three sides of triangle ribbed stiffener are welded with tower linkage section, coaming plate and cover board respectively.
The section form of tubular pole use hollow steel pipe, inside preparatory placing concrete may be selected；Tubular pole upper side one
Determine prewelding peg in altitude range；Within the scope of the certain altitude of tubular pole upper end, it is uniformly arranged multilayer circumferential reinforcement；The setting of tubular pole top
Pile cap decking, the diameter of pile cap decking are greater than the diameter of tubular pole, and preformed hole in plate is used for casting concrete；It can be according to top lotus
Carry size, selection 4~8 root canal piles of setting.
Two symmetrical grout holes are set on cover board and coaming plate, are convenient for from the external second pouring coagulation into lower cavity
Soil.Reserved stake holes identical with tubular pole quantity is set on bottom plate；Tubular pole is assembled by reserved stake holes and buoyancy module cushion cap, then in lower part
Second pouring concrete completes assembly in cavity.
The present invention has the advantages that compared with the existing technology
(1) buoyancy module formula cushion cap is used, it is easy to assembly with prefabricated tubular pile while meeting bearing capacity, and can realize and top
The whole floating haul of blower；
(2) basic components are prefabricated in the factory in advance, it is ensured that and precision quality, scene only need secondary cast-in-place a small amount of concrete,
Offshore construction process is greatly reduced, and can guarantee that buoyancy module cushion cap is connect reliably with tubular pole；
(3) blower can be completed to lift in offshore, and be mounted on buoyancy module cushion cap, then be transported to scene and carry out monoblock type installation,
Work progress convenience and high-efficiency.
Detailed description of the invention
Fig. 1 is whole elevation (a-a sectional view) and buoyancy module cushion cap organigram of the invention；
Fig. 2 is b-b cross-sectional view and cover plate construction schematic diagram of the invention；
Fig. 3 is c-c cross-sectional view and board structure schematic diagram of the invention；
Fig. 4 is d-d cross-sectional view of the invention；
Fig. 5 is the pile cap decking detail of construction of the invention；
In figure: 1- buoyancy module cushion cap, 2- tubular pole, 3- tower linkage section, 4- cover board, 5- bottom plate, 6- coaming plate, 7- triangle are put more energy into
Rib, 8- grout hole, 9- reserve stake holes, 10- peg, 11- concrete, 12- pile cap decking, 13- circumferential reinforcement.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1, a kind of monoblock type installs the more pile foundation structure systems of offshore wind farm, which includes buoyancy module cushion cap
(1), tubular pole (2), tower linkage section (3), cover board (4), bottom plate (5), coaming plate (6), triangle ribbed stiffener (7), peg (10), mixed
Solidifying soil (11), circumferential reinforcement (13)；Buoyancy module cushion cap (1) is by tower linkage section (3), cover board (4), bottom plate (5), coaming plate (6) and three
Angular ribbed stiffener (7) is prefabricated to be formed；Tower linkage section (3) uses steel tube section, and side wall and coaming plate (6) are welded, bottom with
Cover board (4) welding；Placing concrete (11) in tower linkage section (3)；Cover board (4) surrounding and coaming plate (6) are welded, and top is enclosed
Cavity；Bottom plate (5) surrounding and coaming plate (6) are welded, and lower cavity is enclosed；The height ratio of upper chamber and lower cavity is 2:
1；In upper chamber, it is uniformly arranged multiple tracks triangle ribbed stiffener (7), three sides of triangle ribbed stiffener (7) connect with tower respectively
Connect section (3), coaming plate (6) and cover board (4) welding.
As shown in Fig. 2, triangle ribbed stiffener (7) is evenly arranged around cushion cap center, in tubular pole (2), corresponding position must be set
Set triangle ribbed stiffener (7)；Two symmetrical grout holes (8) are set on cover board (4) and coaming plate (6), are convenient for from outside down
Second pouring concrete (11) in portion's cavity.
As shown in figure 3, reserved stake holes (9) identical with tubular pole (2) quantity is arranged on bottom plate (5).
As shown in figure 4, the section form of tubular pole (2) uses hollow steel pipe；Within the scope of tubular pole (2) upper side certain altitude
Prewelding peg (10)；Within the scope of the certain altitude of tubular pole (2) upper end, it is uniformly arranged multilayer circumferential reinforcement (13)；It can be according to top lotus
Carry size, selection setting 4~8 root canal piles (2)；Tubular pole (2) is inserted into buoyancy module cushion cap (1) by reserved stake holes (9), then in lower chamber
Second pouring concrete (11) completes assembly in body.
As shown in figure 5, may be selected preparatory placing concrete (11) inside tubular pole (2), pile cap decking is arranged in tubular pole (2) top
(12), the diameter of pile cap decking (12) is greater than the diameter of tubular pole (2), and preformed hole in plate is used for casting concrete (11).
The invention proposes a kind of monoblock types to install the more pile foundation structure systems of offshore wind farm.The system using bearing capacity,
Rigidity and the preferably more pile foundation forms of overall stability, component can shift to an earlier date prefabrication, and scene is directly assembled, construction is simple
And it is high-efficient, and complete machine floating haul and installation can be carried out with top blower, operation on the sea difficulty is reduced, there is wide engineering
Application prospect.
The above is only the preferred embodiments of the invention, but the invention is not limited to above-mentioned specific implementations
Scheme.One skilled in the relevant art without departing from the principle of the present invention, can also make several modifications, supplement
Or use similar fashion substitution instead, these should also be regarded as protection scope of the present invention.
Although being used more herein: 1- buoyancy module cushion cap, 2- tubular pole, 3- tower linkage section, 4- cover board, 5- bottom plate, 6-
Coaming plate, 7- triangle ribbed stiffener, 8- grout hole, 9- reserve stake holes, 10- peg, 11- concrete, 12- pile cap decking, 13- circumferential direction
The terms such as reinforcing bar, but a possibility that be not precluded using other terms.The use of these items is only for more easily describe
The essence of the invention with explanation, being construed as any additional limitation all is disagreed with spirit of the invention.
Claims (5)
1. a kind of monoblock type installs the more pile foundation structure systems of offshore wind farm, it is related to wind power generation field；The system includes buoyancy module
Cushion cap (1), tubular pole (2), tower linkage section (3), cover board (4), bottom plate (5), coaming plate (6), triangle ribbed stiffener (7), grout hole
(8), stake holes (9), peg (10), concrete (11), pile cap decking (12), circumferential reinforcement (13) are reserved.
2. monoblock type according to claim 1 installs the more pile foundation structure systems of offshore wind farm, it is characterised in that: described
Buoyancy module cushion cap (1) is by tower linkage section (3), cover board (4), bottom plate (5), coaming plate (6) and triangle ribbed stiffener (7) is prefabricated forms；
Tower linkage section (3) uses steel tube section, and side wall and coaming plate (6) are welded, and bottom and cover board (4) are welded；Tower linkage section
(3) placing concrete (11) in；Cover board (4) surrounding and coaming plate (6) are welded, and upper chamber is enclosed；Bottom plate (5) surrounding and coaming plate
(6) it welds, encloses lower cavity；The height ratio of upper chamber and lower cavity is 2:1；In upper chamber, uniformly set
Multiple tracks triangle ribbed stiffener (7) is set, corresponding position must be provided with triangle ribbed stiffener (7), triangle ribbed stiffener in tubular pole (2)
(7) it is welded respectively with tower linkage section (3), coaming plate (6) and cover board (4) on three sides.
3. monoblock type according to claim 1 installs the more pile foundation structure systems of offshore wind farm, it is characterised in that: tubular pole
(2) section form use hollow steel pipe, inside preparatory placing concrete (11) may be selected；Tubular pole (2) upper side is certain
Prewelding peg (10) in altitude range；Within the scope of the certain altitude of tubular pole (2) upper end, it is uniformly arranged multilayer circumferential reinforcement (13)；Pipe
Stake (2) top setting pile cap decking (12), the diameter of pile cap decking (12) are greater than the diameter of tubular pole (2), and preformed hole in plate is used for
Casting concrete (11)；Setting 4~8 root canal piles (2) can be selected according to upper load size.
4. monoblock type according to claim 1 installs the more pile foundation structure systems of offshore wind farm, it is characterised in that: in cover board
(4) and on coaming plate (6) two symmetrical grout holes (8) are set, are convenient for from the external second pouring concrete into lower cavity
(11)。
5. monoblock type according to claim 1 installs the more pile foundation structure systems of offshore wind farm, it is characterised in that: bottom plate
(5) reserved stake holes (9) identical with tubular pole (2) quantity is set on；Tubular pole (2) is spelled by reserved stake holes (9) and buoyancy module cushion cap (1)
Dress, then second pouring concrete (11) completes assembly in lower cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910574568.7A CN110258612B (en) | 2019-06-28 | 2019-06-28 | Integral type offshore wind power multi-pile foundation structure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910574568.7A CN110258612B (en) | 2019-06-28 | 2019-06-28 | Integral type offshore wind power multi-pile foundation structure system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110258612A true CN110258612A (en) | 2019-09-20 |
| CN110258612B CN110258612B (en) | 2024-03-22 |
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| CN201910574568.7A Active CN110258612B (en) | 2019-06-28 | 2019-06-28 | Integral type offshore wind power multi-pile foundation structure system |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833005A (en) * | 2021-08-24 | 2021-12-24 | 哈尔滨工业大学 | Steel-solid waste concrete combined bearing platform with composite structure and construction method thereof |
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| CN110258612B (en) | 2024-03-22 |
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