CN114016539A - Upper jacket for deepwater wind power and construction process - Google Patents
Upper jacket for deepwater wind power and construction process Download PDFInfo
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- CN114016539A CN114016539A CN202111452384.7A CN202111452384A CN114016539A CN 114016539 A CN114016539 A CN 114016539A CN 202111452384 A CN202111452384 A CN 202111452384A CN 114016539 A CN114016539 A CN 114016539A
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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
- E02D27/52—Submerged foundations, i.e. submerged in open water
- E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
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Abstract
The invention discloses an upper jacket for deepwater wind power and a construction process thereof, which relate to the technical field of deepwater wind power, in particular to an upper jacket for deepwater wind power and a construction process thereof, wherein the upper jacket for deepwater wind power comprises a first pipe leg, and the outer wall of the first pipe leg is provided with an installation pipe; the first flower piece is arranged inside the installation pipe, and the right side of the first flower piece is provided with the second flower piece; a second conduit leg disposed on a left side of the first flower piece; the supporting plate is arranged below the first guide pipe leg, and the outer wall of the supporting plate is provided with an installation groove; an inner center truss disposed inside the support plate. This upper portion jacket for deep water wind-powered electricity generation is provided with interior central truss, has compromise the base design that integrated scaffold supported, has high accuracy, repeatedly usable's location and support to can reduce the scaffold and take the process of tearing open repeatedly, improve the practicality of device in the use.
Description
Technical Field
The invention relates to the technical field of deepwater wind power, in particular to an upper jacket for deepwater wind power and a construction process.
Background
Most of the traditional fields of offshore wind turbine design, construction installation and operation maintenance in China are on land, the foundation in the field of ocean engineering is weak, and simultaneously, the ocean faces more complicated and severe environmental conditions relative to the land, so that compared with the land wind turbine, the offshore wind turbine faces many technical difficulties in the construction of the offshore wind turbine, and the foundation structure is one of the key technologies. In terms of design, various environmental changes on the sea, such as frequent typhoons, lightning, salt fog and the like, put higher requirements on the selection and design of a wind turbine foundation; in the construction stage, the foundation construction of the offshore wind farm faces the problems of complex environmental conditions, few optional installation equipment, high operation requirements, limitation of various constructions to weather conditions and the like.
The existing deepwater wind power upper portion conduit frame needs to repeatedly disassemble and assemble a scaffold in the using process, and the defects of more auxiliary processes and inaccurate positioning exist.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an upper conduit bracket for deep-water wind power and a construction process thereof, and solves the problems that the existing upper conduit bracket for deep-water wind power in the background art needs to repeatedly disassemble and assemble a scaffold in the use process, and has more auxiliary processes and inaccurate positioning.
In order to achieve the purpose, the invention is realized by the following technical scheme: an upper conduit frame for deep-water wind power comprises a first conduit leg, wherein an installation pipe is arranged on the outer wall of the first conduit leg;
the first flower piece is arranged inside the installation pipe, and the right side of the first flower piece is provided with the second flower piece;
a second conduit leg disposed on a left side of the first flower piece;
the supporting plate is arranged below the first guide pipe leg, and the outer wall of the supporting plate is provided with an installation groove;
the inner center truss is arranged on the inner side of the support plate, and a cross bar is arranged on the outer wall of the inner center truss;
a bottom spacer disposed below the inner center truss;
the auxiliary supporting rod is arranged on the outer wall of the cross rod;
a reinforcing bar provided at a front end of the cross bar;
a backing plate disposed at a bottom of the first conduit leg.
Optionally, the first flower piece and the second flower piece are staggered with each other, and the first flower piece and the second flower piece are matched with the installation pipe in size.
Optionally, the inner center truss and the cross bar are perpendicular to each other, the support plate and the inner center truss are connected by welding, and the support plate and the first conduit leg are movably connected.
Optionally, the first flower piece and the second flower piece are connected with the installation pipe in a welding mode, and the base plate is perpendicular to the first flower piece and the second flower piece.
Optionally, the first conduit leg is further provided with:
the connecting rod is arranged on the inner side of the first conduit leg, and a first J-shaped pipe is arranged on one side, away from the first conduit leg, of the connecting rod;
a second J-tube disposed above the first J-tube.
Optionally, the first J-shaped pipe and the second J-shaped pipe are connected by welding, and the first J-shaped pipe and the connecting rod are perpendicular to each other.
Optionally, the second conduit leg is further provided with:
a docking platform disposed at a front end of the second conduit leg;
the external ladder is arranged on one side, far away from the second conduit leg, of the ship leaning platform, and a treading rod is arranged on the outer wall of the external ladder;
the connecting plate is arranged above the berthing platform, and the rear end of the connecting plate is provided with a rest platform;
and the guardrail is arranged above the rest platform.
Optionally, the berthing platform is parallel to the external ladder, the connecting plate is in welded connection with the berthing platform and the rest platform, and the guardrail is perpendicular to the rest platform.
Optionally, the construction process of the upper jacket for the deepwater wind power comprises the following steps:
s1, installing guide pipe legs and flower sheets: the base plates are sequentially placed on the platform, the two first guide pipe legs are horizontally placed on the base plates, then the first flower pieces and the second flower pieces are installed in the installation pipes on the outer walls of the first guide pipe legs in a crossed mode, and the joints of the first flower pieces and the second flower pieces are subjected to spot welding and double-sided welding.
S2, mounting a J-shaped pipe: the first J-shaped pipe is fixed with the first guide pipe leg in a welding mode through the connecting rod, and then the second J-shaped pipe is connected with the first J-shaped pipe in a spot welding mode.
S3, arranging temporary support and transporting support: the inner center truss is placed on the platform, and the two first guide pipe legs are respectively placed in the mounting grooves in the two support plates.
S4, installing a conduit leg: a second conduit leg with a docking platform, an external ladder and a resting platform is mounted on the first and second rosettes on the side remote from the first conduit leg.
The invention provides an upper jacket for deepwater wind power and a construction process thereof, and the upper jacket has the following beneficial effects: the inner center truss profiling construction mode is adopted, the characteristics of accurate single piece positioning and few auxiliary processes are achieved, and meanwhile the inner center truss integrates the base design of the integrated scaffold support, so that repeated assembling and disassembling of the scaffold are reduced, and the characteristic process of modular flow of a construction site is achieved.
1. This deep water is upper portion jacket for wind-powered electricity generation is provided with first flower piece and second flower piece, and crisscross each other between first flower piece and the second flower piece, the local triangle-shaped structure that forms to can improve the holistic stability of upper portion jacket, ensure the stability and the security of device in the use.
2. This upper portion jacket for deep water wind-powered electricity generation is provided with interior central truss, has compromise the base design that integrated scaffold supported, has high accuracy, repeatedly usable's location and support to can reduce the scaffold and take the process of tearing open repeatedly, improve the practicality of device in the use.
3. This deep water is upper portion jacket for wind-powered electricity generation is provided with the installation pipe, has adopted spot welding and the mode that two-sided welding combined together between installation pipe and first flower piece and the second flower piece, has improved the holistic assembly precision of upper portion jacket and welding quality, satisfies the in-service use requirement of wind-powered electricity generation jacket, and this kind of welding mode can the crack of effective control basic junction simultaneously, has very big influence to anticorrosive and the normal use of structure.
4. This deep water is upper portion jacket for wind-powered electricity generation is provided with first J type pipe and second J type pipe, can support and fix the transition section of upper portion jacket top, can play certain auxiliary stay effect to first pipe leg simultaneously, has improved first pipe leg bearing capacity.
5. This deep water is jacket of upper portion for wind-powered electricity generation is provided with by ship platform and outside ladder rest platform, leans on the ship platform can be convenient for the device and berths, and rest platform can provide the space of rest for the staff, and is provided with outside ladder, can be convenient for the staff to climb to the different height of device and overhaul the operation to the device.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the inner core truss structure of the present invention;
FIG. 3 is a schematic view of the construction of the mounting tube of the present invention;
FIG. 4 is a schematic view of a first flower piece according to the present invention;
fig. 5 is a schematic structural view of the resting platform of the present invention.
In the figure: 1. a first conduit leg; 2. a connecting rod; 3. a first J-shaped tube; 4. a first flower piece; 5. a second flower piece; 6. a second J-shaped tube; 7. an external ladder; 8. a docking platform; 9. a support plate; 10. an inner center truss; 11. a cross bar; 12. mounting grooves; 13. a bottom gasket; 14. an auxiliary strut; 15. a reinforcing rod; 16. a base plate; 17. installing a pipe; 18. treading the lever; 19. a connecting plate; 20. a resting platform; 21. a guardrail; 22. a second conduit leg.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the present invention provides a technical solution: an upper jacket for deepwater wind power comprises a first pipe leg 1, and an installation pipe 17 is arranged on the outer wall of the first pipe leg 1; the first flower piece 4 is installed inside the installation pipe 17, the second flower piece 5 is installed on the right side of the first flower piece 4, the first flower piece 4 and the second flower piece 5 are mutually staggered, the first flower piece 4 and the second flower piece 5 are matched with the installation pipe 17 in size, the first flower piece 4 and the second flower piece 5 are arranged on the upper jacket for the deepwater wind power, the first flower piece 4 and the second flower piece 5 are mutually staggered, a triangular structure is formed locally, the overall stability of the upper jacket can be improved, and the stability and the safety of the device in the using process are ensured; a second conduit leg 22 provided on the left side of the first flower piece 4; the supporting plate 9 is arranged below the first guide pipe leg 1, and the outer wall of the supporting plate 9 is provided with a mounting groove 12; an inner center truss 10 arranged inside the support plate 9, wherein a cross bar 11 is arranged on the outer wall of the inner center truss 10; the bottom gasket 13 is arranged below the inner center truss 10, the inner center truss 10 is perpendicular to the cross rod 11, the supporting plate 9 is in welded connection with the inner center truss 10, the supporting plate 9 is movably connected with the first conduit leg 1, the upper conduit truss for the deep water wind power is provided with the inner center truss 10, the base design of the integrated scaffold support is considered, and the positioning and supporting are high in precision and reusable, so that the repeated assembling and disassembling processes of the scaffold can be reduced, and the practicability of the device in the using process is improved; an auxiliary strut 14 provided on an outer wall of the cross bar 11; a reinforcing rod 15 provided at a front end of the cross bar 11; backing plate 16, it sets up the bottom at first pipe leg 1, be welded connection between first flower piece 4 and second flower piece 5 and the installation pipe 17, and mutually perpendicular between backing plate 16 and first flower piece 4 and the second flower piece 5, this deep water wind-powered electricity generation is with upper portion jacket is provided with installation pipe 17, the mode that spot welding and two-sided welding combined together has been adopted between installation pipe 17 and first flower piece 4 and the second flower piece 5, the holistic assembly precision and the welding quality of upper portion jacket have been improved, satisfy the in-service use requirement of wind-powered electricity generation jacket, the crack of basic junction can effectively be controlled to this kind of welding mode simultaneously, there is very big influence to anticorrosive and the normal use of structure.
Referring to fig. 4, an upper jacket for deepwater wind power includes a connecting rod 2 disposed at an inner side of a first pipe leg 1, and a first J-shaped pipe 3 is disposed at a side of the connecting rod 2 away from the first pipe leg 1; the second J-shaped pipe 6 is arranged above the first J-shaped pipe 3, the first J-shaped pipe 3 and the second J-shaped pipe 6 are connected in a welding mode, the first J-shaped pipe 3 and the connecting rod 2 are perpendicular to each other, the upper jacket for the deepwater wind power and the construction process are provided with the first J-shaped pipe 3 and the second J-shaped pipe 6, a transition section above the upper jacket can be supported and fixed, meanwhile, a certain auxiliary supporting effect can be achieved on the first pipe leg 1, and bearing capacity of the first pipe leg 1 is improved.
Referring to fig. 5, an upper jacket for deep-water wind power includes a docking platform 8 disposed at a front end of a second pipe leg 22; the external ladder 7 is arranged on one side, far away from the second conduit leg 22, of the berthing platform 8, and the outer wall of the external ladder 7 is provided with a treading rod 18; a connecting plate 19 arranged above the berthing platform 8, wherein a rest platform 20 is arranged at the rear end of the connecting plate 19; guardrail 21, it sets up the top at rest platform 20, it is parallel to each other between ship platform 8 and the outside ladder 7 by ship, and be welded connection between connecting plate 19 and ship platform 8 and the rest platform 20 by ship, and mutually perpendicular between guardrail 21 and the rest platform 20, this deep water is upper jacket for wind-powered electricity generation is provided with ship platform 8 and outside ladder rest platform 20 by ship platform 8, ship platform 8 can be convenient for the device and berth, rest platform 20 can provide the space of rest for the staff, and be provided with outside ladder 7, the different height that can be convenient for the staff to climb to the device overhauls the operation to the device.
The construction process of the upper jacket for the deepwater wind power comprises the following steps:
s1, installing guide pipe legs and flower sheets: put backing plate 16 on the platform in proper order, place two first pipe legs 1 level on backing plate 16, install first flower piece 4 and second flower piece 5 cross arrangement in the installation pipe 17 of 1 outer wall of first pipe leg immediately, carry out spot welding and two-sided welding to its junction, first flower piece 4 and the cross arrangement of second flower piece 5 form the triangle-shaped structure, and stability is improved, and its junction carries out spot welding and two-sided welding, the holistic assembly precision and the welding quality of upper portion jacket have been improved, satisfy wind-powered electricity generation jacket's in-service use requirement.
S2, mounting a J-shaped pipe: the first J-shaped pipe 3 is fixed with the first pipe leg 1 through the connecting rod 2 in a welding mode, then the second J-shaped pipe 6 is connected with the first J-shaped pipe 3 in a spot welding mode, the first J-shaped pipe 3 and the second J-shaped pipe 6 can assist in supporting the first pipe leg 1, and stability is guaranteed.
S3, arranging temporary support and transporting support: the inner center truss 10 is placed on the platform, the two first pipe legs 1 are respectively placed in the mounting grooves 12 of the two support plates 9, the inner center truss 10 takes the design of the base of the integrated scaffold support into consideration, the inner center truss has high precision and can be repeatedly used for positioning and supporting, and the repeated assembling and disassembling process is reduced.
S4, installing a conduit leg: a second pipe leg 22 with a ship leaning platform 8, an external ladder 7 and a rest platform 20 is arranged on one side, far away from the first pipe leg 1, of the first flower piece 4 and the second flower piece 5, and workers can climb to different heights through the external ladder 7 to overhaul and maintain the equipment.
To sum up, when the upper jacket for the deep water wind power is used, firstly, the backing plates 16 are sequentially placed on the platform, the two first pipe legs 1 are horizontally placed on the backing plates 16, and then the first flower sheets 4 and the second flower sheets 5 are installed in the installation pipes 17 on the outer walls of the first pipe legs 1; secondly, the first J-shaped pipes 3 are respectively arranged on the two first pipe legs 1, and the connecting rods 2 can support and fix the first J-shaped pipes 3; secondly, placing the inner center truss 10 on the platform, placing the two first pipe legs 1 in the mounting grooves 12 of the two support plates 9 respectively, wherein the cross rod 11 can support the inner center truss 10 in an auxiliary manner, the bottom gasket 13 can improve the friction force between the inner center truss 10 and the bottom surface, and the auxiliary support rod 14 and the reinforcing rod 15 can improve the bearing capacity of the inner center truss 10 and prevent the inner center truss 10 from being distorted and deformed; then, connecting the second J-shaped pipe 6 with the 54.5-degree elbow with the straight section of 800mm with the first J-shaped pipe 3 in a spot welding manner; finally, the second pipe leg 22 with the berthing platform 8, the external ladder 7 and the rest platform 20 is arranged on one side, away from the first pipe leg 1, of the first flower piece 4 and the second flower piece 5, a worker can climb to different heights through the treading rod 18, the connecting plate 19 can support and fix the rest platform 20, and the guardrail 21 can ensure the use safety of the rest platform 20.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a deep water is upper portion jacket for wind-powered electricity generation which characterized in that includes:
the outer wall of the first conduit leg (1) is provided with a mounting pipe (17);
a first flower piece (4) mounted inside the mounting pipe (17), a second flower piece (5) being mounted on the right side of the first flower piece (4);
a second duct leg (22) provided on the left side of the first flower piece (4);
the supporting plate (9) is arranged below the first guide pipe leg (1), and the outer wall of the supporting plate (9) is provided with a mounting groove (12);
the inner center truss (10) is arranged on the inner side of the supporting plate (9), and a cross rod (11) is arranged on the outer wall of the inner center truss (10);
a bottom pad (13) disposed below the inner center truss (10);
an auxiliary strut (14) arranged on the outer wall of the cross bar (11);
a reinforcement bar (15) provided at a front end of the cross bar (11);
a backing plate (16) arranged at the bottom of the first conduit leg (1).
2. The upper jacket for deepwater wind power as claimed in claim 1, wherein: the first flower pieces (4) and the second flower pieces (5) are mutually staggered, and the first flower pieces (4) and the second flower pieces (5) are matched with the mounting pipe (17) in size.
3. The upper jacket for deepwater wind power as claimed in claim 1, wherein: the inner center truss (10) is perpendicular to the cross rod (11), the support plate (9) is connected with the inner center truss (10) in a welding mode, and the support plate (9) is movably connected with the first guide pipe leg (1).
4. The upper jacket for deepwater wind power as claimed in claim 1, wherein: the first flower piece (4), the second flower piece (5) and the installation pipe (17) are connected in a welding mode, and the base plate (16) is perpendicular to the first flower piece (4) and the second flower piece (5).
5. The upper jacket for deepwater wind power as claimed in claim 1, wherein: the first conduit leg (1) is further provided with:
the connecting rod (2) is arranged on the inner side of the first pipe leg (1), and a first J-shaped pipe (3) is arranged on one side, away from the first pipe leg (1), of the connecting rod (2);
a second J-shaped tube (6) disposed above the first J-shaped tube (3).
6. The upper jacket for deepwater wind power as claimed in claim 5, wherein: the first J-shaped pipe (3) and the second J-shaped pipe (6) are connected in a welding mode, and the first J-shaped pipe (3) is perpendicular to the connecting rod (2).
7. The upper jacket for deepwater wind power as recited in claim 1, wherein the second conduit leg (22) is further provided with:
a docking platform (8) disposed at a forward end of the second conduit leg (22);
the external ladder (7) is arranged on one side, far away from the second guide pipe leg (22), of the ship leaning platform (8), and a treading rod (18) is arranged on the outer wall of the external ladder (7);
a connecting plate (19) arranged above the berthing platform (8), wherein a rest platform (20) is arranged at the rear end of the connecting plate (19);
a guardrail (21) disposed above the resting platform (20).
8. The upper jacket for deepwater wind power as claimed in claim 7, wherein: the berthing platform (8) is parallel to the external ladder (7), the connecting plate (19) is in welded connection with the berthing platform (8) and the rest platform (20), and the guardrail (21) is perpendicular to the rest platform (20).
9. The process for constructing an upper jacket for deep water wind power according to any one of claims 1 to 8, wherein: the construction process of the upper jacket for the deepwater wind power comprises the following steps:
s1, installing guide pipe legs and flower sheets: the base plates (16) are sequentially placed on the platform, the two first pipe legs (1) are horizontally placed on the base plates (16), the first flower pieces (4) and the second flower pieces (5) are installed in the installation pipes (17) on the outer walls of the first pipe legs (1) in a crossed mode, and the joints of the first flower pieces and the second flower pieces are subjected to spot welding and double-sided welding.
S2, mounting a J-shaped pipe: the first J-shaped pipe (3) is fixed with the first pipe leg (1) in a welding mode through the connecting rod (2), and then the second J-shaped pipe (6) is connected with the first J-shaped pipe (3) in a spot welding mode.
S3, arranging temporary support and transporting support: the inner center truss (10) is placed on the platform, and the two first guide pipe legs (1) are respectively placed in the mounting grooves (12) on the two support plates (9).
S4, installing a conduit leg: and a second guide pipe leg (22) with a ship leaning platform (8), an external ladder (7) and a rest platform (20) is arranged on one side, far away from the first guide pipe leg (1), of the first flower piece (4) and the second flower piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111452384.7A CN114016539A (en) | 2021-12-01 | 2021-12-01 | Upper jacket for deepwater wind power and construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111452384.7A CN114016539A (en) | 2021-12-01 | 2021-12-01 | Upper jacket for deepwater wind power and construction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114016539A true CN114016539A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111452384.7A Pending CN114016539A (en) | 2021-12-01 | 2021-12-01 | Upper jacket for deepwater wind power and construction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114016539A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020697A1 (en) * | 2015-08-03 | 2017-02-09 | 广东明阳风电产业集团有限公司 | Construction device and method for offshore wind turbine foundation with piling performed later |
| CN112900472A (en) * | 2021-01-21 | 2021-06-04 | 中国电建集团华东勘测设计研究院有限公司 | High-strength grouting pipe joint jacket foundation for offshore wind power and construction method thereof |
| CN215888310U (en) * | 2021-08-25 | 2022-02-22 | 珠海巨涛海洋石油服务有限公司 | Upper jacket for deepwater wind power |
-
2021
- 2021-12-01 CN CN202111452384.7A patent/CN114016539A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020697A1 (en) * | 2015-08-03 | 2017-02-09 | 广东明阳风电产业集团有限公司 | Construction device and method for offshore wind turbine foundation with piling performed later |
| CN112900472A (en) * | 2021-01-21 | 2021-06-04 | 中国电建集团华东勘测设计研究院有限公司 | High-strength grouting pipe joint jacket foundation for offshore wind power and construction method thereof |
| CN215888310U (en) * | 2021-08-25 | 2022-02-22 | 珠海巨涛海洋石油服务有限公司 | Upper jacket for deepwater wind power |
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Application publication date: 20220208 |