CN111021431A - Single-pile foundation scouring protection device - Google Patents

Single-pile foundation scouring protection device Download PDF

Info

Publication number
CN111021431A
CN111021431A CN201911114992.XA CN201911114992A CN111021431A CN 111021431 A CN111021431 A CN 111021431A CN 201911114992 A CN201911114992 A CN 201911114992A CN 111021431 A CN111021431 A CN 111021431A
Authority
CN
China
Prior art keywords
ring
covering
reinforcing
ballast
cover
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.)
Pending
Application number
CN201911114992.XA
Other languages
Chinese (zh)
Inventor
王洪庆
任宇新
陈嘉豪
卢钦先
毕明君
刘东华
马兆荣
何小华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd
Original Assignee
China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd filed Critical China Energy Construction Group Guangdong Electric Power Design Institute Co Ltd
Priority to CN201911114992.XA priority Critical patent/CN111021431A/en
Publication of CN111021431A publication Critical patent/CN111021431A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/06Protective 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • E02D27/425Foundations for poles, masts or chimneys specially adapted for wind motors masts
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/52Submerged foundations, i.e. submerged in open water
    • E02D27/525Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution

Abstract

The invention relates to a single-pile foundation scouring protection device. The single pile foundation includes a fixed ring, a reinforcing ring, a covering member and a weighting member. Wherein, the fixed ring is used for fixedly sleeving the steel pipe pile. The reinforcing ring is used for being sleeved outside the steel pipe pile and detachably connected with the fixing ring. The covering part is connected with the reinforcing ring and laid on the periphery of the reinforcing ring. The weighting piece is connected with one end of the covering piece far away from the reinforcing ring. Above-mentioned single pile foundation erodees protector has reduced the steel-pipe pile root position scour prevention operation degree of difficulty, thereby fixes the restraint to the inner circle of covering through the connection of solid fixed ring and beaded finish. The stability of the cover is enhanced. Meanwhile, the single-pile foundation scouring protection device is additionally provided with the weighting piece at the outer edge of the covering piece, so that the ballast effect of the outer edge of the covering piece is enhanced, the outer edge of the covering piece is prevented from being lifted or dislocated by waves, and the anti-scouring effect of the single-pile foundation scouring protection device is enhanced.

Description

Single-pile foundation scouring protection device
Technical Field
The invention relates to the technical field of offshore wind power engineering, in particular to a single-pile foundation scouring protection device.
Background
At present, at offshore wind power plants within 30m of water depth, a fixed single-pile foundation form is mostly adopted. Single pile foundations have become one of the most widely used foundation forms in the field of offshore wind power engineering. However, since the pile diameter of the single-pile foundation is large, the streaming can occur when the ocean current meets the obstruction of the pile, so that the flow velocity of the ocean current around the pile is accelerated, and a scouring pit is easily formed on the periphery of the single-pile foundation. The scouring pits weaken the pile-soil action of the periphery of the single-pile foundation and are unfavorable for the stability of the single-pile foundation. In order to ensure the safety of the single-pile foundation structure, anti-scouring measures are required to be adopted in engineering to protect the single-pile foundation.
At present, the most common practice in engineering is to lay gravity sand quilts on the periphery of a single pile foundation, i.e. sand of different sizes is spread to the seabed by using a crane ship, and the sand quilts are ballasted to prevent the sand from being eroded by the wave flow of the soil body below. However, the traditional sand is difficult to lay, especially at the root of the steel pipe pile, the laying work is difficult to meet the design requirements, and the actual anti-scouring effect is greatly reduced. Another conventional method is a stone-throwing method, in which a reverse filter layer is formed around the pile foundation by using stones, so as to prevent the surface soil around the pile foundation from being undercut. But the riprap easily injures fan major structure to riprap is difficult to be retrieved, influences the environment, and riprap later stage need maintain, has the secondary and erodees the risk.
Disclosure of Invention
Therefore, it is necessary to provide a single-pile foundation scour protection device for improving the protection effect of a single-pile foundation scour protection system.
A monopile foundation scour protection comprising:
the fixing ring is fixedly sleeved outside the steel pipe pile;
the reinforcing ring is sleeved outside the steel pipe pile and detachably connected with the fixing ring;
the covering piece is connected with the reinforcing ring and laid on the periphery of the reinforcing ring; and the number of the first and second groups,
and the weighting piece is connected with one end of the covering piece far away from the reinforcing ring.
The single-pile foundation scouring protection device covers the soil layer on the periphery of the steel pipe pile through the covering piece, so that the problem that the soil layer on the periphery of the steel pipe pile is eroded by waves is solved. And through establish solid fixed ring at the fixed cover of steel-pipe pile, then through directly overlapping the beaded finish that is connected with the covering outside the steel-pipe pile and be connected with solid fixed ring to not only reduced the degree of difficulty that the operation was laid to steel-pipe pile root position covering, fixed restraint is carried out to the inner circle of covering through being connected of solid fixed ring and beaded finish moreover, strengthened the stability of covering. Meanwhile, the single-pile foundation scouring protection device is additionally provided with the weighting piece at the outer edge of the covering piece, so that the ballast effect at the outer edge of the covering piece is enhanced, the outer edge of the covering piece is prevented from being lifted or dislocated by waves, the laying effect of the covering piece is further improved, the anti-scouring effect of the single-pile foundation scouring protection device is further enhanced, and the single-pile foundation scouring protection device is not only suitable for a sandy seabed, but also suitable for a silty seabed.
In one embodiment, the fixing ring is provided with a bearing surface, and the reinforcing ring is sleeved on the fixing ring and abuts against the bearing surface.
In one embodiment, along the direction of gravity, the diameter of the fixing ring is in an increasing trend, so that the fixing ring is formed with a first inclined surface, the bearing surface is the first inclined surface, the reinforcing ring is provided with a second inclined surface matched with the first inclined surface, and the second inclined surface is abutted to the first inclined surface.
In one embodiment, the outer circumferential surface of the reinforcing ring is provided with a connecting ring, one end of the covering piece, which is close to the reinforcing ring, is provided with a connecting belt, and the covering piece is hinged with the connecting ring through the connecting belt.
In one embodiment, a rigid skeleton is further arranged on the covering part, the rigid skeleton extends along the radial direction of the covering part, and the rigid skeleton is hinged with the reinforcing ring.
In one embodiment, one end of the rigid framework, which is far away from the reinforcing ring, is provided with a lifting ring, and the lifting ring is used for being connected with a lifting steel wire rope.
In one embodiment, the number of the rigid frameworks is at least two, and a first reinforcing strip is arranged between two adjacent rigid frameworks and extends along the radial direction of the covering part.
In one embodiment, the cover is further provided with a second reinforcing strip, and the second reinforcing strip is arranged along the circumferential direction of the cover.
In one embodiment, the cover has at least two separate compartments filled with a ballast material.
In one embodiment, the ballast material is also filled in the ballast bag, and the filling amount of the ballast material in the ballast bag is larger than the filling amount of the ballast material in the compartment.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of a monopile foundation scour protection;
FIG. 2 is an enlarged fragmentary view of a portion A of the monopile foundation scour protection shown in FIG. 1;
FIG. 3 is a top plan view of the monopile basic protective structure shown in FIG. 1;
fig. 4 is a schematic view of the hoisting of the erosion shield for a mono-pile foundation according to an embodiment.
Description of reference numerals:
110. a fixing ring; 111. a first inclined plane; 120. a reinforcement ring; 121. a second inclined plane; 122. a connecting ring; 130. a cover; 131. a bay; 132. a connecting belt; 133. a rigid skeleton; 134. a first reinforcing band; 135. a second reinforcing band; 140. a weighting member; 20. steel pipe piles; 30. a soil layer; 40. and hoisting the steel wire rope.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
Referring to fig. 1-2, the embodiment of the present application provides a single-pile foundation erosion protection device for protecting the outer soil layer 30 of a steel pipe pile 20 of a single-pile foundation and preventing the outer soil layer 30 from being eroded by waves. Specifically, the mono-pile foundation of an embodiment includes a fixing ring 110, a reinforcing ring 120, a covering member 130, and a weighting member 140. The fixing ring 110 is fixedly fitted to the outside of the steel pipe pile 20, and the fixing ring 110 may be pre-welded to the outer wall of the steel pipe pile 20 when the steel pipe pile 20 is processed in a steel pipe pile 20 factory, for example. The reinforcing ring 120 is used for being sleeved outside the steel pipe pile 20 and detachably connected with the fixing ring 110. The covering member 130 is laid on the outer periphery of the reinforcing ring 120 together with the reinforcing ring 120, and the covering member 130 is used for covering the soil layer 30 on the outer periphery of the steel pipe pile 20, thereby preventing the soil layer 30 from being undercut by the waves. The weighting member 140 is connected to an end of the cover member 130 remote from the reinforcement ring 120. That is, the weight 140 is disposed at the outer edge of the cover 130. The weight 140 serves to restrain the weight of the end of the cover 130 away from the reinforcement ring 120 by its own weight, thereby preventing the outer edge of the cover 130 from being lifted by the waves.
Further, the fixing ring 110 is installed on the steel pipe pile 20 at a position spaced apart from the mud surface by about 0.5mm, thereby avoiding the blower cable duct. The shape of the reinforcing ring 120 is matched with that of the fixing ring 110, and the reinforcing ring 120 is used for being sleeved into the steel pipe pile 20 from the pile top of the steel pipe pile 20 after the pile sinking of the steel pipe pile 20 is completed, and is matched with the reinforcing ring 120 under the action of self gravity, so that the inner ring of the covering piece 130 is fixedly restrained. The covering member 130 is of an annular structure, and the covering member 130 is sleeved on the steel pipe pile 20 through the reinforcing ring 120 and laid on the soil layer 30 on the periphery of the steel pipe pile 20. Preferably, the fixing ring 110 and the reinforcing ring 120 are made of steel, the covering member 130 is a sand cover, and the weight member 140 is a sand bag.
The single-pile foundation scouring protection device covers the soil layer 30 on the periphery of the steel pipe pile 20 through the covering piece 130, so that the problem that the soil layer 30 on the periphery of the steel pipe pile 20 is eroded by waves is solved. The fixing ring 110 is fixedly sleeved on the steel pipe pile 20, and then the reinforcing ring 120 connected with the covering element 130 is directly sleeved outside the steel pipe pile 20 and connected with the fixing ring 110, so that the laying operation difficulty of the covering element 130 at the root position of the steel pipe pile 20 is reduced, and the inner ring of the covering element 130 is fixedly restrained by the connection of the fixing ring 110 and the reinforcing ring 120. The stability of the cover 130 is enhanced. Meanwhile, the single-pile foundation scouring protection device is additionally provided with the weighting piece 140 at the outer edge of the covering piece 130, so that the ballast effect of the outer edge of the covering piece 130 is enhanced, the outer edge of the covering piece 130 is prevented from being lifted or dislocated by waves, the laying effect of the covering piece 130 is improved, the anti-scouring effect of the single-pile foundation scouring protection device is further enhanced, and the single-pile foundation scouring protection device is suitable for a sandy seabed and a muddy seabed.
Further, the fixing ring 110 is provided with a bearing surface, the reinforcing ring 120 is sleeved on the fixing ring 110 and abutted against the bearing surface, and since the radial degree of freedom of the reinforcing ring 120 is constrained by the steel pipe pile 20, after the reinforcing ring 120 is arranged on the bearing surface of the fixing ring 110, the reinforcing ring 120 can be pressed on the fixing ring 110 through the gravity action of the reinforcing ring 120 and the covering part 130, and an additional fixed connection structure is not needed, so that the installation, the disassembly and the recovery are convenient. Specifically, referring to fig. 2, the diameter of the fixing ring 110 increases along the direction of gravity, so that the fixing ring 110 is formed with a first inclined surface 111, and the first inclined surface 111 is a bearing surface. The shape of the reinforcing ring 120 matches with the shape of the fixing ring 110, that is, the diameter of the reinforcing ring 120 is gradually decreased along the gravity direction, so that the reinforcing ring 120 is formed with a second inclined surface 121, the second inclined surface 121 matches with the inclination of the first inclined surface 111, and the second inclined surface 121 abuts against the first inclined surface 111, so that the reinforcing ring 120 is clamped on the fixing ring 110. Preferably, the axial section of the fixing ring 110 is an inverted triangle or an inverted trapezoid, and the inclination of the first slope 111 is 15 ° to 20 °. The reinforcing ring 120 has the same shape as the fixing ring 110, but the second slope 121 of the reinforcing ring 120 is inclined in the opposite direction to the first slope 111 of the fixing ring 110.
Referring to fig. 2, the outer circumferential surface of the reinforcement ring 120 is provided with connection rings 122, and preferably, at least two connection rings 122 are provided, and at least two connection rings 122 are provided on the outer circumferential surface of the reinforcement ring 120 at intervals in the circumferential direction of the reinforcement ring 120. The cover member 130 is provided with connecting bands 132 at an end thereof adjacent to the reinforcing ring 120, and preferably, the connecting bands 132 are provided at positions and numbers corresponding to those of the connecting rings 122. The cover 130 is hinged to the connection ring 122 by a connection band 132, so that the cover 130 is connected and locked with the reinforcement ring 120. Further, as shown in fig. 4, the cover 130 is hinged to the reinforcement ring 120 to facilitate the erection of the monopile foundation scour protection.
Referring to fig. 3 and 4, a rigid skeleton 133 is further disposed on the covering member 130, and the rigid skeleton 133 extends in a radial direction of the covering member 130. The rigid frame 133 is used to enhance the rigidity and strength of the covering member 130, and to improve the protection performance and the anti-erosion effect of the covering member 130. Further, referring to the figures, a rigid backbone 133 is hingedly connected to the stiffening ring 120. One end of the rigid framework 133 away from the reinforcing ring 120 is provided with a lifting ring (not shown) for connecting with the hoisting cable 40. When installing the monopile foundation scour protection, the reinforcement ring 120, the cover 130 and the weighting members 140 are then lifted in their entirety by connecting the hoisting cables 40 of the crane vessel to the hoisting rings of the rigid framework 133. And then sleeving the reinforcing ring 120 on the steel pipe pile 20, and slowly descending to the fixing ring 110 to tightly clamp the reinforcing ring 120 and the fixing ring 110. Finally, the covering member 130 is spread on the outer soil layer 30 of the steel pipe pile 20 by the self-weight of the covering member 130, and the weighting member 140 is pressed against the outer edge of the covering layer.
Further, there are at least two rigid frames 133, and a first reinforcing strip 134 is disposed between two adjacent rigid frames 133, and the first reinforcing strip 134 extends in a radial direction of the cover 130. The first reinforcing band 134 is used to improve the tensile strength of the cover 130, thereby ensuring the tensile strength of the cover 130 during the installation and use of the cover. Preferably, at least two first reinforcing bands 134 are disposed between two adjacent rigid frames 133, for example, three first reinforcing bands 134 are disposed between two adjacent rigid frames 133. By matching the rigid frame 133 with the first reinforcing strip 134, the strength of the covering member 130 is ensured and the problem of high cost caused by completely using the rigid frame 133 is avoided. Preferably, the first reinforcing band 134 is a nylon band.
Further, a second reinforcing tape 135 is disposed on the cover 130, and the second reinforcing tape 135 is disposed along a circumferential direction of the cover 130. Preferably, the number of the second reinforcing tapes 135 is at least two, and at least two of the second reinforcing tapes 135 are arranged at intervals of a concentric circle around the center of the covering member 130. The second reinforcing band 135 is used to connect the rigid frame 133 and the first reinforcing band 134, and to further increase the tensile strength of the cover 130.
Referring to fig. 2 and 3, the cover 130 has at least two separate bays 131, each bay 131 being filled with a ballast material. Specifically, the cover 130 is divided by the first reinforcing tape 134 and the second reinforcing tape 135 to form a plurality of independent compartments 131, so that the accumulation of ballast material inside the cover 130 is avoided, and the ballast protection capability of the cover 130 is ensured. Preferably, the ballast material is sand which is convenient to obtain and low in cost. Further, the amount of sand required in compartment 131 may be determined based on local sea state. Further, the ballast bag communicates with the outermost bay 131 of the cover 130. The ballast bag is also filled with ballast material and the ballast material in the ballast bag is filled in an amount greater than the ballast material in the bay 131, thereby increasing the ballast weight of the outer edge of the cover 130 and reducing the risk of the outer edge of the cover 130 being lifted by the waves.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A single pile foundation scour protection, comprising:
the fixing ring is fixedly sleeved outside the steel pipe pile;
the reinforcing ring is sleeved outside the steel pipe pile and detachably connected with the fixing ring;
the covering piece is connected with the reinforcing ring and laid on the periphery of the reinforcing ring; and the number of the first and second groups,
and the weighting piece is connected with one end of the covering piece far away from the reinforcing ring.
2. The monopile foundation scour protection as claimed in claim 1, wherein the retaining ring is provided with a bearing surface and the stiffening ring is fitted over the retaining ring and abuts against the bearing surface.
3. The monopile foundation scour protection according to claim 2, wherein the diameter of the retaining ring increases in the direction of gravity, such that the retaining ring is formed with a first inclined surface, the bearing surface being the first inclined surface, the reinforcement ring being provided with a second inclined surface matching the first inclined surface, the second inclined surface abutting the first inclined surface.
4. The monopile foundation scour protection as claimed in claim 1, wherein the reinforcement ring is provided at its outer circumference with a connection ring, and the cover member is provided at its end adjacent to the reinforcement ring with a connection band, the cover member being hinged to the connection ring via the connection band.
5. The monopile foundation scour protection as claimed in claim 1, wherein the covering element is further provided with a rigid framework extending radially therefrom, the rigid framework being hingedly connected to the reinforcement ring.
6. The monopile foundation scour protection as claimed in claim 5, wherein the rigid framework is provided with a lifting ring at an end thereof remote from the reinforcement ring, the lifting ring being adapted to be connected to a hoisting wire rope.
7. The monopile foundation scour protection as claimed in claim 6, wherein the number of the rigid frameworks is at least two, and a first reinforcing strip is provided between two adjacent rigid frameworks, the first reinforcing strip extending in a radial direction of the covering member.
8. The monopile foundation scour protection as claimed in claim 7, wherein the cover is further provided with a second reinforcing strip disposed circumferentially of the cover.
9. The monopile foundation scour protection as claimed in claim 1, wherein the covering has at least two separate compartments filled with a ballast material.
10. The monopile foundation flush protection device of claim 9, wherein the ballast bag is also filled with the ballast material and the ballast material is filled in the ballast bag in an amount greater than the ballast material in the compartment.
CN201911114992.XA 2019-11-14 2019-11-14 Single-pile foundation scouring protection device Pending CN111021431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911114992.XA CN111021431A (en) 2019-11-14 2019-11-14 Single-pile foundation scouring protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911114992.XA CN111021431A (en) 2019-11-14 2019-11-14 Single-pile foundation scouring protection device

Publications (1)

Publication Number Publication Date
CN111021431A true CN111021431A (en) 2020-04-17

Family

ID=70201511

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911114992.XA Pending CN111021431A (en) 2019-11-14 2019-11-14 Single-pile foundation scouring protection device

Country Status (1)

Country Link
CN (1) CN111021431A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013167121A1 (en) * 2012-05-10 2013-11-14 Anton Kanand Device for the scour protection of offshore constructions
DE102015102065A1 (en) * 2015-02-12 2016-08-18 Anton Kanand Transition device for anti-collapse devices of offshore structures
CN205822279U (en) * 2016-07-25 2016-12-21 福建永福电力设计股份有限公司 A kind of marine structure anti-scouring system
CN205875228U (en) * 2016-08-10 2017-01-11 上海市城市建设设计研究总院 Pile foundation scour prevention denudes structure
DE102015120269A1 (en) * 2015-11-23 2017-05-24 abh Ingenieur-Technik GmbH Kolkschutzvorrichtung
DE202017005092U1 (en) * 2017-09-30 2017-11-16 Mineralguss Verwaltungsgesellschaft Laage Mbh Damping protection for pile dwellings in a fluid medium
CN109518730A (en) * 2018-12-29 2019-03-26 中国能源建设集团广东省电力设计研究院有限公司 Offshore wind power foundation Anti-scouring device
CN110144977A (en) * 2019-05-21 2019-08-20 中国能源建设集团广东省电力设计研究院有限公司 Applied to the Anti-scouring structure and its installation method on single-pile foundation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013167121A1 (en) * 2012-05-10 2013-11-14 Anton Kanand Device for the scour protection of offshore constructions
DE102015102065A1 (en) * 2015-02-12 2016-08-18 Anton Kanand Transition device for anti-collapse devices of offshore structures
DE102015120269A1 (en) * 2015-11-23 2017-05-24 abh Ingenieur-Technik GmbH Kolkschutzvorrichtung
CN205822279U (en) * 2016-07-25 2016-12-21 福建永福电力设计股份有限公司 A kind of marine structure anti-scouring system
CN205875228U (en) * 2016-08-10 2017-01-11 上海市城市建设设计研究总院 Pile foundation scour prevention denudes structure
DE202017005092U1 (en) * 2017-09-30 2017-11-16 Mineralguss Verwaltungsgesellschaft Laage Mbh Damping protection for pile dwellings in a fluid medium
CN109518730A (en) * 2018-12-29 2019-03-26 中国能源建设集团广东省电力设计研究院有限公司 Offshore wind power foundation Anti-scouring device
CN110144977A (en) * 2019-05-21 2019-08-20 中国能源建设集团广东省电力设计研究院有限公司 Applied to the Anti-scouring structure and its installation method on single-pile foundation

Similar Documents

Publication Publication Date Title
JP5926504B2 (en) Template and method for installing multiple foundation elements on submarine ground
US9869069B2 (en) Anti-scour system
JP5801103B2 (en) Method and system for installing foundation elements in submarine ground
EP2354535B1 (en) Method for constructing a foundation for a wind power generation system
CN201902703U (en) Suspension protective device for underground pipeline
CN110965569A (en) Umbrella type anti-scouring structure for offshore wind power single-pile foundation
CN110593325A (en) Offshore wind power foundation curtain anti-scouring structure and anti-scouring method
CN105308243B (en) Gravity-based structures
JP2015513022A (en) Method and system for installing foundation elements on underwater ground layer
CN111021431A (en) Single-pile foundation scouring protection device
CN110886326A (en) Anti-scouring protection device for offshore wind power pile foundation and installation method
CA2936927C (en) Method of forming a mudline cellar for offshore arctic drilling
CN210216368U (en) Flexible energy dissipation water conservancy diversion scour prevention device
CN105908772A (en) Offshore wind turbine gravity type base, base system and gravity type base construction method
CN108842808B (en) Scouring protection structure for single foundation pile of open sea fan
CN108978733B (en) Anti-scouring structure for offshore single-pile foundation and installation method of anti-scouring structure
KR101523724B1 (en) Turret constructing method
KR20200099387A (en) Apparatus for preventing scour
CN211898581U (en) Erosion protection device for offshore wind power pile foundation
CN211257044U (en) Offshore wind power pile foundation anti-scouring umbrella-shaped device
JP2019135407A (en) Sediment inflow suppression structure of pipe joint
CN111058471A (en) Scour prevention's offshore wind turbine basis
CN210086314U (en) Offshore oil platform pile foundation protector
KR20150037294A (en) Apparatus of protecting submarine cable
JPH0765303B2 (en) Scouring protection method for bottomed offshore structures

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination