CN113186986B - Offshore wind power single-pile foundation scouring protection device - Google Patents
Offshore wind power single-pile foundation scouring protection device Download PDFInfo
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- CN113186986B CN113186986B CN202110541058.7A CN202110541058A CN113186986B CN 113186986 B CN113186986 B CN 113186986B CN 202110541058 A CN202110541058 A CN 202110541058A CN 113186986 B CN113186986 B CN 113186986B
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- 238000009991 scouring Methods 0.000 title abstract description 25
- 239000002689 soil Substances 0.000 claims description 22
- 230000003628 erosive effect Effects 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 claims description 3
- 239000013535 sea water Substances 0.000 abstract description 19
- 230000002829 reductive effect Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011241 protective layer Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 238000005267 amalgamation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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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
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
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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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Foundations (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses an offshore wind power single-pile foundation scouring protection device, wherein a turbulent flow bottom plate and lateral turbulent flow plates are fixed on a single-pile foundation, one end of the single-pile foundation is fixed in a seabed and is firmly connected with the single-pile foundation and is not easy to scour away by ocean currents, the turbulent flow bottom plate is fixed on the outer side of the single-pile foundation to form a seabed protective layer structure, a plurality of annular turbulent flow plates are fixed at the upper end of the turbulent flow bottom plate, the flow velocity of water at the seabed surface can be effectively reduced by utilizing the annular turbulent flow plates, the seabed scouring effect can be reduced, the scouring phenomenon between the single-pile foundation and the seabed can be effectively prevented by utilizing the pressure of seawater on the turbulent flow bottom plate, the lower end of the turbulent flow bottom plate is contacted with the seabed surface, the seabed bottom can be fixed at the same time, the plurality of lateral turbulent flow plates are uniformly arrayed in the circumferential direction of the single-pile foundation, the purpose of reducing the vortex formation around a pile body by utilizing the lateral turbulent flow plates, and further reducing the seabed scouring effect.
Description
Technical Field
The invention belongs to the technical field of offshore wind power generation, and particularly relates to an offshore wind power single-pile foundation scouring protection device.
Background
In the field of offshore wind power, a large-diameter single-pile foundation is a common foundation structure form. The single pile foundation needs to bear various natural environment loads such as wind, waves, currents and the like in the using process. Due to the special circular cross section form, ocean currents pass through the single pile, various vortex structures such as horseshoe vortex and the like are easily formed in front of and behind the pile body, and along with the vortex effect and the flow of seawater, the soil body around the single pile foundation is easily subjected to local scouring, so that the safety and the stability of the foundation structure are greatly threatened. The foundation scouring protection measures are designed and arranged, the scouring phenomenon of the soil body around the pile is controlled and reduced, the formation of the horseshoe nest is weakened, and the foundation scouring protection measures are the problems which need to be considered in the design of the single-pile foundation structure.
At present, sand bags or piles Zhou Paodan are paved around piles and other means are mostly adopted as anti-scour measures. The connection between sandbags or between stones is usually weak, and is difficult to form a complete whole, and when the flow velocity of the ocean current is large, the ocean current is easy to wash away, and the ocean current is difficult to play a protection role. And the sand bag or the riprap only plays a role in reinforcing the surface soil body, so that the seawater flow velocity is difficult to slow down, and the generation of large vortexes in the front and the back of the single pile is difficult to reduce. Meanwhile, the problems of low construction efficiency, difficulty in accurately paving the sand bags around the piles or the riprap around the piles to the designed position and the like exist in the construction process.
Disclosure of Invention
The invention aims to provide an offshore wind power single-pile foundation scouring protection device to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a scouring protection device for an offshore wind power single-pile foundation comprises a single-pile foundation, a turbulence bottom plate and a lateral spoiler; one end of the single pile foundation is fixed in the seabed, the turbulence bottom plate is fixed on the outer side of the single pile foundation, the upper end of the turbulence bottom plate is fixed with a plurality of annular turbulence plates, the lower end of the turbulence bottom plate is in contact with the surface of the seabed, and a plurality of lateral turbulence plates are evenly arrayed on the single pile foundation in the circumferential direction.
Furthermore, a plurality of fixed sliding grooves are formed in the outer side of the single pile foundation in a circumferential array mode, tenons matched with the fixed sliding grooves to slide are arranged on the inner sides of the turbulence bottom plates, and the turbulence bottom plates are installed in the fixed sliding grooves through the tenons.
Furthermore, the bottom of the fixed sliding groove is provided with a baffle plate for limiting.
Furthermore, the turbulence bottom plates are of fan-shaped structures, and the plurality of turbulence bottom plates are arrayed on the outer side of the single-pile foundation along the circumferential direction.
Furthermore, the turbulence bottom plate comprises a bottom plate seat and an annular soil cutting plate, the annular soil cutting plate is fixed on the side face of the outer end of the bottom plate seat, the lower end of the annular soil cutting plate is located in the seabed, and the annular turbulence plate is fixed at the upper end of the bottom plate seat.
Furthermore, two side surfaces of the bottom plate seats are respectively provided with a concave groove and a convex key, and two adjacent bottom plate seats are fixedly connected through the concave groove and the convex key in a matching manner.
Furthermore, a plurality of annular spoilers set up along the vortex bottom plate radial direction.
Furthermore, the height of the annular spoiler is gradually increased from outside to inside along the radial direction of the spoiler bottom plate.
Furthermore, the annular spoilers on the same concentric ring are provided with openings.
Further, the openings of the annular spoilers of two radially adjacent concentric rings are not in a straight line.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to an offshore wind power single-pile foundation scouring protection device, which is characterized in that a turbulence bottom plate and lateral turbulence plates are fixed on a single-pile foundation, one end of the single-pile foundation is fixed in a seabed and firmly connected with the single-pile foundation and is not easy to scour away by ocean current, the turbulence bottom plate is fixed on the outer side of the single-pile foundation to form a seabed protective layer structure, a plurality of annular turbulence plates are fixed at the upper end of the turbulence bottom plate, the flow velocity of water at the seabed surface can be effectively reduced by utilizing the annular turbulence plates, the seabed scouring effect can be reduced, the scouring phenomenon between the single-pile foundation and the seabed can be effectively prevented by utilizing the pressure of seawater on the turbulence bottom plate, the lower end of the turbulence bottom plate is contacted with the seabed surface, the seabed bottom can be fixed at the same time, the single-pile foundation is circumferentially and uniformly arrayed with the plurality of lateral turbulence plates, the purpose of reducing the vortex formation around the pile body by utilizing the lateral turbulence plates to weaken the seabed scouring effect, the seabed scouring effect is reduced, the structure is simple, the peripheral seawater flow velocity of the soil body of the pile is not directly scoured, and the large vortex generation around the pile is reduced.
Furthermore, single pile foundation outside circumference array has a plurality of fixed spouts, and the inboard of vortex bottom plate is equipped with the tenon that slides with the cooperation of immobilization groove, and the vortex bottom plate passes through the tenon to be installed in the immobilization inslot, and convenient to detach installs, convenient transportation.
Furthermore, a baffle plate for limiting is arranged at the bottom of the fixed sliding groove, so that the turbulence bottom plate is prevented from being immersed into a seabed under the action of water flow.
Furthermore, the turbulence bottom plates are of fan-shaped structures, and the plurality of turbulence bottom plates are arrayed on the outer side of the single-pile foundation along the circumferential direction, so that the installation is facilitated.
Furthermore, the turbulence bottom plate comprises a bottom plate seat and an annular soil cutting plate, the annular soil cutting plate is fixed to the side face of the outer end of the bottom plate seat, the lower end of the annular soil cutting plate is located in a seabed, and the annular turbulence plate is fixed to the upper end of the bottom plate seat, so that seawater can be effectively prevented from scouring to the bottom of the bottom plate seat, the seawater flow velocity around the pile is reduced, the generation of large vortexes around the pile is reduced, and the scouring of the seabed around the single pile foundation is prevented.
Furthermore, a plurality of annular spoilers set up along the radial direction of vortex bottom plate, and along the radial height by outer to interior annular spoiler of vortex bottom plate increase gradually, slow down the sea water gradually, make the sea water form pressure to the vortex bottom plate, improve stability.
Furthermore, the annular spoilers on the same concentric ring are provided with openings, so that the flowing resistance of seawater is improved, and the flow velocity of seawater around the pile is reduced.
Drawings
Fig. 1 is a three-dimensional overall schematic view of a scour protection in an embodiment of the present invention.
Fig. 2 is a plan view of the overall scour protection in an embodiment of the present invention.
FIG. 3 is a schematic view of the connection of the spoiler bottom plate and the lateral spoilers with the single-pile foundation according to the embodiment of the invention.
Fig. 4 isbase:Sub>A sectionbase:Sub>A-base:Sub>A in fig. 2.
Fig. 5 is a section B-B in fig. 2.
Fig. 6 is a section C-C in fig. 2.
FIG. 7 is a three-dimensional schematic view of a spoiler panel in accordance with an embodiment of the present invention.
FIG. 8 is a schematic structural diagram of a spoiler panel according to an embodiment of the present invention.
FIG. 9 is a plan view of a spoiler base in an embodiment of the present invention.
FIG. 10 is a three-dimensional schematic view of a cross-section of a turbulator base plate D-D.
Fig. 11 is a three-dimensional schematic view of a lateral spoiler.
The device comprises a single pile foundation 1, a fixed sliding groove 2, a turbulent flow bottom plate 3, a bottom plate seat 4, an annular turbulent flow plate 5, a concave groove 6, a convex key 7, a hanging ring 8, a tenon 9, an annular soil cutting plate 10, a seabed 11, a sea surface 12, a lateral turbulent flow plate 13, an insertion key 14 and a lateral turbulent flow flat plate 15.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1, the erosion protection device for the offshore wind power single-pile foundation comprises a single-pile foundation 1, a turbulence bottom plate 3 and a lateral turbulence plate 13; in single pile foundation 1 one end was fixed in the seabed, vortex bottom plate 3 was fixed in the single pile foundation 1 outside, and the vortex bottom plate 3 upper end is fixed with a plurality of annular spoilers 5, and the lower extreme of vortex bottom plate 3 and seabed surface contact, the even array in single pile foundation 1 circumference has a plurality of side direction spoilers 13.
As shown in fig. 2 and 4, the single pile foundation 1 is a column structure and is composed of steel pipes with equal outer diameters; as shown in fig. 3, the vortex bottom plate 3 adopts a fan-shaped structure, the single-pile foundation 1 outside circumference array has a plurality of fixed chutes 2, the inboard of the vortex bottom plate 3 is equipped with the tenon 9 that cooperates with the fixed chute 2 and slides, the fixed chute 2 bottom is equipped with the baffle, the vortex bottom plate 3 is installed in the fixed chute 2 through the tenon 9 to be fixed in the single-pile foundation 1 outside, a plurality of vortex bottom plates 3 are in the single-pile foundation 1 outside amalgamation formation circular structure.
The fixed chute 2 can be arranged on the single pile foundation 1, or two pieces of angle steel are adopted to be fixed in opposite directions, a certain gap is reserved between the two pieces of angle steel to form the fixed chute 2, the fixed chute 2 is welded on the side surface of the single pile foundation 1, the length direction of the fixed chute 2 is parallel to the axis of the single pile foundation 1, 12 fixed chutes 2 are uniformly arranged along the circumferential direction of the single pile foundation 1, each two fixed chutes 2 are combined into a group, and a turbulent flow bottom plate 3 is fixedly installed; the upper end of the fixed chute 2 is higher than the sea surface 12, the specific height can be adjusted according to the construction requirement, the lower end of the fixed chute 2 enters the seabed by 5 to 10 cm, and the lower end of the fixed chute 2 is sealed by a bottom plate.
Each turbulence bottom plate can slide to the surface of the sea bed from the upper end of the sea surface along the fixed chute 2. As shown in fig. 5, the 6 spoiler bottom plates 3 may be spliced into an annular structure to be arranged on the surface of the sea bed around the single-pile foundation. As shown in fig. 5, according to the marine environmental conditions, the outer diameter (D2) of the annular structure formed by splicing the spoiler bottom plates 3 is 3-6 times of the outer diameter (D1) of the single-pile foundation 1.
As shown in fig. 5, 7, 8, 9 and 10, the spoiler base plate 3 comprises a base plate seat 4 and an annular soil cutting plate 10, the annular soil cutting plate 10 is fixed on the outer end side surface of the base plate seat 4, the lower end of the annular soil cutting plate 10 is positioned in the seabed, and the annular spoiler 5 is fixed on the upper end of the base plate seat 4; two side surfaces of the bottom plate seats 4 are respectively provided with a concave groove 6 and a convex key 7, and two adjacent bottom plate seats 4 are matched and fixedly connected through the concave groove 6 and the convex key 7; the tenon 9 is arranged on the inner side surface of the bottom plate seat 4.
The base plate seat 4 is a main bearing structure of the turbulent flow base plate 3, and the base plate seat 4 is composed of a fan-shaped steel plate. A plurality of annular spoilers 5 are arranged on the bottom plate seat 4 along the radial direction, and each annular spoiler 5 is a concentric circular arc of a single-pile foundation; the heights of the annular steel plates are sequentially increased from the direction far away from the single-pile foundation to the direction close to the single-pile foundation; the radial distance between two radially adjacent annular steel plates can be equal or unequal, and the radial distance can be adjusted according to actual needs. 6 piece vortex bottom plate 3 splices into whole back, and annular spoiler 5 will splice into a plurality of concentric ring each other, is equipped with the opening on the adjacent annular spoiler 5 on the same concentric ring, can supply rivers to pass through, and the opening on the annular spoiler 5 of two adjacent concentric rings around the front and back staggers certain angle in the hoop direction, and the opening on the annular spoiler 5 of two adjacent concentric rings along radial direction is not on a straight line promptly.
As shown in fig. 7, 8 and 9, a concave groove 7 and a convex key 6 are respectively arranged on both sides of the baseplate seat 4, and two adjacent spoiler baseplates 3 are assembled together through the respective concave groove 7 and convex key 6.
As shown in fig. 7, 8 and 9, a hanging ring 8 is fixed to the upper portion of the floor base 4, and the hanging ring 8 is formed by bending plain round steel bars and is used for hoisting during construction.
As shown in fig. 3, 5, 7, 8, and 10, 2 tenons 9 are disposed on the inner side of each spoiler base plate 3, the tenons 9 are in a shape of a letter "convex" as a whole, and have a certain height in the height direction, and the tenons 9 are welded to the base plate seats 4. The tenon 9 can be inserted into the fixed chute 2, so that the flow bottom plate 3 can slide to the surface of the sea bed from the sea surface along the fixed chute 2, and the turbulence bottom plate 3 and the fixed chute 2 are fixed together.
As shown in fig. 7, 8, 9 and 10, the annular soil cutting plate 10 is made of steel and is annular, and a groove is arranged at the lower part of the annular soil cutting plate 10. The annular soil cutting plate 10 is cut into the seabed to fix the turbulent flow bottom plate 3 with the seabed 11.
As shown in fig. 3, each of the side spoilers 13 can slide along the fixed chute 2 from the sea surface to above the spoiler bottom 3, and the geometrical dimensions of the adjacent side spoilers 13 may not be uniform.
As shown in fig. 11, the lateral spoiler 13 includes an insertion key 14 and a lateral spoiler panel 15, the insertion key 14 is fixed to a side of the lateral spoiler panel 15, and the lateral spoiler panel 15 is fixed to a side of the mono pile foundation 1 by the insertion key 14.
The lower end of the annular soil cutting plate 10 is positioned at the lower part of the bottom plate seat, and the turbulence bottom plate is fixed in soil of the seabed; the annular spoilers 5 are positioned at the upper parts of the fan-shaped spoilers and are in direct contact with seawater, and in the seawater scouring process, the annular spoilers 5 on the spoilers are sequentially lifted from the outside to the inside along the radial direction, so that pressure is formed by utilizing seawater, the stability of contact between the spoilers and a seabed is improved, meanwhile, the distance of seawater flowing around the pile can be increased by the annular spoilers 5 arranged at intervals, the resistance of seawater flowing is improved, and the effects of reducing the seawater flow velocity around the pile and weakening the scouring around the pile are achieved; the concave groove and the convex key are respectively positioned on the left and the right of the turbulence base plate, so that the connection of the turbulence base plates is realized, and the overall connection stability is improved; the tenon is positioned on the inner side of the turbulence bottom plate and connected with the fixed chute, so that the installation of Wei Hua is facilitated; the hoisting rings are positioned around the turbulent flow base plate and are used for being connected with a hoisting machine during construction.
And a lateral spoiler is arranged at the upper part of the spoiler bottom plate around the pile body. The side spoiler can be connected with the fixed chute through the inserting key, and the side spoiler can slide to a designed position from the sea surface along the fixed chute by matching with a construction machine to finish the falling installation. The sizes of the adjacent lateral flow disturbing plates can be different, so that the purpose of weakening the generation of the vortex under different ocean current flow rates is achieved.
The single-pile foundation scouring protection device is firmly connected with a single-pile foundation, the annular spoilers 5 on the spoiling base plates are sequentially lifted from outside to inside along the radial direction, pressure is formed by seawater, the contact stability of the spoiling base plates and a seabed is improved, ocean currents cannot easily scour away the spoiling base plates, the flow velocity of the seawater on the bottom layer can be effectively reduced, and the effect of weakening scouring of foundation soil around the pile is achieved. The turbulent flow base plates are constructed in a split combination mode, the volume and the mass of each turbulent flow base plate can be controlled within a certain range, and the processing, the transportation and the construction are convenient. The lateral spoiler can weaken the generation of vortex around the pile, further weaken the scouring of seabed around the pile, and meanwhile, the lateral spoiler is controllable in size and quality and convenient to construct.
The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments and is not intended to limit the practice of the invention to these embodiments. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (2)
1. The erosion protection device for the offshore wind power single-pile foundation is characterized by comprising a single-pile foundation (1), a turbulence bottom plate (3) and a lateral spoiler (13); one end of a single pile foundation (1) is fixed in a seabed, a turbulence bottom plate (3) is fixed on the outer side of the single pile foundation (1), a plurality of annular turbulence plates (5) are fixed at the upper end of the turbulence bottom plate (3), the lower end of the turbulence bottom plate (3) is in surface contact with the seabed, a plurality of lateral turbulence plates (13) are uniformly arrayed in the circumferential direction of the single pile foundation (1), a plurality of fixed chutes (2) are arrayed in the circumferential direction of the outer side of the single pile foundation (1), tenons (9) which are matched with the fixed chutes (2) to slide are arranged on the inner side of the turbulence bottom plate (3), the turbulence bottom plate (3) is installed in the fixed chutes (2) through the tenons (9), a baffle plate for limiting is arranged at the bottom of the fixed chutes (2), the turbulence bottom plate turbulence (3) is of a fan-shaped structure, the plurality of turbulence bottom plates (3) are arrayed on the outer side of the single pile foundation (1) in the circumferential direction, the turbulence bottom plate (3) comprises a bottom plate seat (4) and an annular soil cutting plate (10), the annular soil cutting plate (10) is fixed at the upper end of the seabed (5); the plurality of annular spoilers (5) are arranged along the radial direction of the spoilers (3); the height of the annular spoiler (5) is gradually increased from the outside to the inside along the radial direction of the spoiler bottom plate (3); openings are arranged on the annular spoilers (5) on the same concentric ring; the openings on the annular spoilers (5) of two radially adjacent concentric rings are not in a straight line.
2. The offshore wind-power single-pile foundation erosion protection device of claim 1, wherein two side faces of the bottom plate bases (4) are respectively provided with a concave groove (6) and a convex key (7), and two adjacent bottom plate bases (4) are fixedly connected through the concave groove (6) and the convex key (7) in a matching manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541058.7A CN113186986B (en) | 2021-05-18 | 2021-05-18 | Offshore wind power single-pile foundation scouring protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110541058.7A CN113186986B (en) | 2021-05-18 | 2021-05-18 | Offshore wind power single-pile foundation scouring protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113186986A CN113186986A (en) | 2021-07-30 |
| CN113186986B true CN113186986B (en) | 2022-11-22 |
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| CN202110541058.7A Active CN113186986B (en) | 2021-05-18 | 2021-05-18 | Offshore wind power single-pile foundation scouring protection device |
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| CN113718823A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power foundation |
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