CN113186986A - 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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- CN113186986A CN113186986A CN202110541058.7A CN202110541058A CN113186986A CN 113186986 A CN113186986 A CN 113186986A CN 202110541058 A CN202110541058 A CN 202110541058A CN 113186986 A CN113186986 A CN 113186986A
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- 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
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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
- 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
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- 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 current, 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 annular turbulent flow plates can effectively reduce the flow velocity at the seabed surface and reduce the scouring effect of the seabed, the pressure of seawater on the turbulent flow bottom plate can be utilized to effectively prevent the scouring phenomenon between the single pile foundation and the seabed, 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 single pile foundation is uniformly arrayed with a plurality of lateral turbulent flow plates in the circumferential direction, and the purpose of reducing the vortex formation around a pile body is achieved by utilizing the lateral turbulent flow plates, the invention has simple structure, effectively reduces the flow speed of seawater around the pile and reduces the generation of large vortexes around the pile.
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 section form, ocean currents are easy to form various vortex structures such as 'horseshoe vortex' and the like in front of and behind the pile body after passing through the single pile, and along with the vortex action and the flow of seawater, the soil body around the single pile foundation is easy to have the problem of local scouring, so that great threat is caused to the safety and the stability of the foundation structure. 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 are paved around piles, or stones are thrown around piles and other measures are mostly adopted as anti-scouring 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, a plurality of annular turbulence plates are fixed at the upper end of the turbulence bottom plate, the lower end of the turbulence bottom plate is in surface contact with 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 chutes are circumferentially arrayed on the outer side of the single pile foundation, tenons matched with the fixed chutes to slide are arranged on the inner sides of the turbulence bottom plates, and the turbulence bottom plates are installed in the fixed chutes 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 matched mode.
Furthermore, a plurality of annular spoilers are arranged along the radial direction of the spoilers.
Furthermore, the height of the annular spoiler is gradually increased from the outside to the 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 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 current, 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 annular turbulent flow plates can effectively reduce the flow velocity at the surface of the seabed and reduce the scouring effect of the seabed, meanwhile, the pressure of seawater on the turbulent flow bottom plate can be utilized to effectively prevent the scouring phenomenon between the single pile foundation and the seabed, the lower end of the turbulent flow bottom plate is contacted with the surface of the seabed, the bottom of the seabed can be fixed at the same time, the single pile foundation is uniformly arrayed with the lateral turbulent flow plates in the circumferential direction, and the purpose of vortex formation around a pile body is weakened by the lateral turbulent flow plates, the invention has simple structure, is not easy to be washed away by water flow, has high installation efficiency and accurate positioning, reduces the flow velocity of seawater around the pile and reduces the generation of large vortexes around the pile while the surface soil body is not directly washed away.
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 is a cross-section a-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 spoiler 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, the outer diameter (D2) of the annular structure formed by splicing the spoiler panels 3 is 3-6 times the outer diameter (D1) of the mono-pile foundation 1 according to the marine environmental conditions.
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 bottom plate seat 4 is a main body bearing structure of the turbulent flow bottom plate 3, and the bottom 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 base plate seat 4, and two adjacent spoiler base plates 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 arranged on the inner side of each spoiler base plate 3, the tenons 9 are integrally in a shape of a Chinese character 'tu', and have a certain height in the height direction, and the tenons 9 are welded with 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 simultaneously, the flow disturbing 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 base plate 3 with the seabed 11.
As shown in fig. 3, each lateral spoiler 13 can slide along the fixed chute 2 from the sea surface to above the spoiler bottom plate 3, and the geometrical dimensions of the adjacent lateral 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 is connected with the fixed chute, so that Weihua is convenient to install; 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 on the upper part of the spoiler bottom plate around the pile body. The side spoiler can be connected with the fixed sliding groove through the inserting key, and the side spoiler can slide to a designed position from the sea surface along the fixed sliding groove 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 turbulence bottom plates are constructed in a mode of combining the turbulence bottom plates in a split mode, the volume and the mass of each turbulence bottom plate can be controlled within a certain range, and the turbulence bottom plates are convenient to process, transport and construct. 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 (10)
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); in single pile foundation (1) one end was fixed in the seabed, vortex bottom plate (3) were fixed in single pile foundation (1) outside, and vortex bottom plate (3) upper end was fixed with a plurality of annular spoilers (5), the lower extreme and the seabed surface contact of vortex bottom plate (3), and single pile foundation (1) circumference is evenly arrayed has a plurality of side direction spoilers (13).
2. The offshore wind power single-pile foundation scouring protection device as claimed in claim 1, wherein a plurality of fixed sliding grooves (2) are circumferentially arrayed on the outer side of the single-pile foundation (1), tenons (9) which are matched with the immobilized grooves (2) to slide are arranged on the inner sides of the turbulent flow bottom plates (3), and the turbulent flow bottom plates (3) are installed in the immobilized grooves (2) through the tenons (9).
3. The offshore wind power single-pile foundation scour protection device according to claim 2, wherein the bottom of the fixed chute (2) is provided with a baffle for limiting.
4. The erosion protection device for the offshore wind power single-pile foundation according to claim 1, wherein the turbulent flow base plates (3) are of a fan-shaped structure, and a plurality of turbulent flow base plates (3) are circumferentially arrayed outside the single-pile foundation (1).
5. The offshore wind power single-pile foundation erosion protection device according to claim 4, wherein the turbulence 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 side surface of the outer end of the base plate seat (4), the lower end of the annular soil cutting plate (10) is located in the seabed, and the annular turbulence plate (5) is fixed on the upper end of the base plate seat (4).
6. The offshore wind power single-pile foundation scour protection device according to claim 5, wherein two side surfaces 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.
7. Marine wind-power single-pile foundation scour protection according to claim 5, wherein a plurality of annular spoilers (5) are arranged in the radial direction of the spoiler bottom plate (3).
8. The erosion protection device for the offshore wind power single-pile foundation according to claim 7, wherein 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).
9. Marine wind-power single-pile foundation scour protection according to claim 7, wherein the annular spoilers (5) of the same concentric ring are provided with openings.
10. Offshore wind power mono-pile foundation scour protection according to claim 9, wherein the openings in the annular spoilers (5) of two radially adjacent concentric rings are not in a straight line.
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| 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 |
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| CN113186986A true CN113186986A (en) | 2021-07-30 |
| CN113186986B CN113186986B (en) | 2022-11-22 |
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|---|---|---|---|---|
| CN113718838A (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 suction barrel foundation |
| CN113718841A (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 anti-scouring device |
| CN113718839A (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 with turbulence strips |
| CN113718827A (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 with energy dissipation structure |
| CN113718828A (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 |
| CN113774951A (en) * | 2021-09-16 | 2021-12-10 | 盛东如东海上风力发电有限责任公司 | Offshore wind power foundation with turbulence nails |
| CN113789808A (en) * | 2021-09-16 | 2021-12-14 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power suction cylinder foundation with turbulence strips |
| CN113789817A (en) * | 2021-11-16 | 2021-12-14 | 中国海洋大学 | Vortex-type maritime work foundation comprehensive scouring protection device based on multistage vortex breaking device |
| CN113833032A (en) * | 2021-09-16 | 2021-12-24 | 华能(浙江)能源开发有限公司清洁能源分公司 | Offshore wind power composite anti-scouring device |
| CN114045858A (en) * | 2021-09-16 | 2022-02-15 | 盛东如东海上风力发电有限责任公司 | Offshore wind power suction cylinder foundation with turbulence nails |
| CN114855841A (en) * | 2022-06-15 | 2022-08-05 | 中交三公局第一工程有限公司 | Steel pipe pile and steel sheet pile combined cofferdam structure of bearing platform in complex water area |
| CN115613561A (en) * | 2022-10-25 | 2023-01-17 | 中山大学 | Active repairing device for offshore wind power single-pile scouring pit |
| WO2023040170A1 (en) * | 2021-09-16 | 2023-03-23 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power foundation |
| WO2023151318A1 (en) * | 2022-02-11 | 2023-08-17 | 上海勘测设计研究院有限公司 | Self-maintaining anti-scouring device for offshore wind farm pile foundation |
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| WO2023151318A1 (en) * | 2022-02-11 | 2023-08-17 | 上海勘测设计研究院有限公司 | Self-maintaining anti-scouring device for offshore wind farm pile foundation |
| CN114855841A (en) * | 2022-06-15 | 2022-08-05 | 中交三公局第一工程有限公司 | Steel pipe pile and steel sheet pile combined cofferdam structure of bearing platform in complex water area |
| CN115613561A (en) * | 2022-10-25 | 2023-01-17 | 中山大学 | Active repairing device for offshore wind power single-pile scouring pit |
| CN115613561B (en) * | 2022-10-25 | 2023-05-23 | 中山大学 | Active repairing device for scouring pit of offshore wind power single pile |
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