CN114016540A - Wind power jacket transition section and assembling process - Google Patents

Wind power jacket transition section and assembling process Download PDF

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Publication number
CN114016540A
CN114016540A CN202111452385.1A CN202111452385A CN114016540A CN 114016540 A CN114016540 A CN 114016540A CN 202111452385 A CN202111452385 A CN 202111452385A CN 114016540 A CN114016540 A CN 114016540A
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CN
China
Prior art keywords
plate
platform
support
transition section
bottom plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111452385.1A
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Chinese (zh)
Inventor
张珽
李明智
李慧铭
田大河
陈宏�
安可峰
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.)
Jutal Offshore Oil Services Zhuhai Co ltd
Original Assignee
Jutal Offshore Oil Services Zhuhai 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 Jutal Offshore Oil Services Zhuhai Co ltd filed Critical Jutal Offshore Oil Services Zhuhai Co ltd
Priority to CN202111452385.1A priority Critical patent/CN114016540A/en
Publication of CN114016540A publication Critical patent/CN114016540A/en
Pending legal-status Critical Current

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    • 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
    • E02D27/50Anchored foundations
    • 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

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a wind power jacket transition section and an assembly process, and relates to the technical field of deepwater wind power jackets; an end cylinder disposed outside the bottom plate; a lightening hole provided at an inner wall of the center cylinder; a gate support disposed inside the web; and the supporting rod is arranged below the inner platform, and a reinforcing rod is arranged below the supporting rod. This wind-powered electricity generation jacket changeover portion is provided with the door type and supports, can mutually support between with backup pad and the support column to can guarantee to build the structural rigidity of initial stage, further can satisfy the requirement of size construction precision, guarantee the convenient and fast of transportation in the place again, avoid the operation demand of large-scale hoist and mount, realized the advantage of constructing that the precision is high, the manufacturability is good and cost control simultaneously.

Description

Wind power jacket transition section and assembling process
Technical Field
The invention relates to the technical field of deepwater wind power jacket, in particular to a wind power jacket transition section and an assembling process.
Background
The jacket is an important supporting foundation for mounting a wind turbine tower in a wind power project and is a key foundation structure for connecting an offshore wind turbine water part and a seabed pipe pile part. The integral mechanism of the deepwater wind power jacket comprises four parts, namely a TP transition section, an upper jacket, a lower jacket and a suction anchor.
The existing jacket transition section cannot meet the structural rigidity at the initial construction stage, so that the dimensional construction precision cannot be guaranteed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wind power jacket transition section and an assembly process, and solves the problem that the existing jacket transition section cannot meet the structural rigidity at the initial construction stage and cannot ensure the dimensional construction precision in the background art.
In order to achieve the purpose, the invention is realized by the following technical scheme: a wind power jacket transition section comprises a bottom plate, wherein a central cylinder is arranged above the bottom plate;
an end cylinder disposed outside the bottom plate;
the mounting plate is arranged above the central cylinder, and a fixing plate is arranged on the outer wall of the mounting plate;
the lifting lug is arranged above the mounting plate, and a cable is arranged above the lifting lug;
the lifting ring is arranged above the mooring rope, and a lifting appliance is arranged above the lifting ring;
hanger plates provided on left and right sides of the hanger;
a top plate disposed above the end barrel;
a web disposed on an outer wall of the end barrel;
the supporting plate is arranged below the bottom plate, and a supporting column is arranged on the outer side of the supporting plate;
a lightening hole provided at an inner wall of the center cylinder;
a gate support disposed inside the web;
a reinforcing plate disposed above the gate support;
the inner platform is arranged inside the central cylinder, and a connecting column is arranged on the surface of the inner platform;
the bridge is arranged on the outer side of the connecting column;
and the supporting rod is arranged below the inner platform, and a reinforcing rod is arranged below the supporting rod.
Optionally, the lightening holes penetrate through the inner wall of the central cylinder, and the lightening holes are uniformly distributed along the inner wall of the central cylinder at equal intervals.
Optionally, the door-shaped support and the web plate are connected by welding, the door-shaped support and the bottom plate are perpendicular to each other, and the bottom plate, the support plate and the support column are movably connected.
Optionally, the reinforcing plates are welded to the web, and the number of the reinforcing plates is three.
Optionally, the end cartridge is further provided with:
and the suspender support is arranged on the left side of the end barrel, and a suspender is arranged above the suspender support.
Optionally, a clamping structure is formed between the suspender support and the suspender, and the suspender support is matched with the suspender in size.
Optionally, the top plate is further provided with:
the external platform is arranged above the top plate, and a framework is arranged above the external platform;
a balustrade disposed outside the outer platform;
a stiffener disposed on a surface of the outer platform.
Optionally, the reinforcing ribs and the external platform are fixedly connected, and the handrail and the external platform are perpendicular to each other.
The invention also discloses an assembly process of the deepwater wind power jacket transition section, which comprises the following steps:
s1, arranging temporary building supports: the supporting plates are placed in parallel according to a certain distance, and the supporting columns are placed on three corners of the outer sides of the supporting plates in a group two by two mode.
S2, mounting the combined component: the bottom plate is placed on the supporting plate and the supporting columns, the central cylinder is placed in the middle of the bottom plate, the three end cylinders are placed on three corners of the bottom plate, the door-shaped support is installed in a gap between the bottom plate and the end cylinders, the web plate is installed on the outer side of the door-shaped support, and then the reinforcing plate is installed above the door-shaped support and is fixed by the top plate.
S3, mounting an inner platform and an outer platform: and hoisting the external platform to install the external platform on the cylinder body of the central cylinder, welding the external platform, hoisting the internal platform with bulk paint to enter the cylinder body of the central cylinder, and performing bolt connection installation in the cylinder body of the central cylinder.
S4, preparation test: install the jib in the top that the jib supported, install electrical equipment and cable respectively on inside platform, carry out the test experiment.
The invention provides a wind power jacket transition section and an assembling process, which have the following beneficial effects: the mode that the door-shaped support and the temporary support are combined is adopted, the structural rigidity at the initial construction stage is guaranteed, the requirement on the size construction precision is met, the convenience and the rapidness of transportation in a field are guaranteed, the operation requirement on large-scale hoisting is avoided, and the advantages of high construction precision, good manufacturability and cost control are realized.
1. This wind-powered electricity generation jacket changeover portion is provided with the lightening hole, can be when using the device, when guaranteeing stability, the gross weight of lightening device to can be convenient for hoist and mount and fix between the device, improved the practicality of device in the use.
2. This wind-powered electricity generation jacket changeover portion is provided with the door type and supports, can mutually support between with backup pad and the support column to can guarantee to build the structural rigidity of initial stage, further can satisfy the requirement of size construction precision, guarantee the convenient and fast of transportation in the place again, avoid the operation demand of large-scale hoist and mount, realized the advantage of constructing that the precision is high, the manufacturability is good and cost control simultaneously.
3. This wind-powered electricity generation jacket changeover portion is provided with the reinforcing plate, can mutually support between with the web to can ensure the stability and the rigidity of device in the use, improve the stretch-proofing ability and the anti deformability of device, avoid the device to take place distortion in the in-process of using, optimize the security performance of device.
4. This wind-powered electricity generation jacket changeover portion is provided with the jib and supports, can with the mutual block between the jib to can be convenient for support and fix the jib, the jib can play certain location and guide effect to the device at the in-process that uses.
5. This wind-powered electricity generation jacket changeover portion is provided with outside platform, can go to overhaul the device and control on the workman of being convenient for, and the strengthening rib can effectively improve the intensity and the compressive capacity of outside platform simultaneously, and the railing can play certain guard action to outside platform when guaranteeing staff's safety.
Drawings
FIG. 1 is a schematic view of a hoisting structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of a portal support structure according to the present invention;
FIG. 4 is a schematic view of the internal platform structure of the present invention;
FIG. 5 is a schematic diagram of an external platform structure according to the present invention.
In the figure: 1. a base plate; 2. a central barrel; 3. an end barrel; 4. a web; 5. a top plate; 6. lifting lugs; 7. mounting a plate; 8. a fixing plate; 9. a spreader; 10. a cable; 11. a support plate; 12. a support pillar; 13. a hanger rod support; 14. an external platform; 15. a railing; 16. an internal platform; 17. a boom; 18. reinforcing ribs; 19. a strut; 20. a reinforcing rod; 21. a bridge frame; 22. a hoisting ring; 23. a hanger plate; 24. a lightening hole; 25. a reinforcing plate; 26. a framework; 27. connecting columns; 28. a door type support.
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. 1-4, the present invention provides a technical solution: a wind power jacket transition section comprises a bottom plate 1, wherein a central cylinder 2 is arranged above the bottom plate 1; an end cylinder 3 provided outside the base plate 1; the mounting plate 7 is arranged above the central cylinder 2, and a fixing plate 8 is arranged on the outer wall of the mounting plate 7; the lifting lug 6 is arranged above the mounting plate 7, and a cable 10 is arranged above the lifting lug 6; a hanging ring 22 arranged above the cable 10, and a lifting appliance 9 is arranged above the hanging ring 22; hanger plates 23 provided on both left and right sides of the hanger 9; a top plate 5 provided above the end drum 3; a web 4 provided on the outer wall of the end barrel 3; the supporting plate 11 is arranged below the bottom plate 1, and a supporting column 12 is arranged on the outer side of the supporting plate 11; the lightening holes 24 are formed in the inner wall of the central cylinder 2, the lightening holes 24 penetrate through the inner wall of the central cylinder 2, the lightening holes 24 are uniformly distributed along the inner wall of the central cylinder 2 at equal intervals, and the lightening holes 24 are formed in the transition section of the wind power jacket, so that when the device is used, the stability is ensured, the total weight of the device is lightened, the device can be conveniently hoisted and fixed, and the practicability of the device in the use process is improved; the door-shaped support 28 is arranged on the inner side of the web plate 4, the door-shaped support 28 is in welded connection with the web plate 4, the door-shaped support 28 is perpendicular to the bottom plate 1, the bottom plate 1 is movably connected with the support plate 11 and the support column 12, and the door-shaped support 28 can be matched with the support plate 11 and the support column 12, so that the structural rigidity at the initial construction stage can be ensured, the requirement of size construction precision can be further met, the convenience and rapidness of transportation in a site can be ensured, the operation requirement of large-scale hoisting can be avoided, and the advantages of high construction precision, good manufacturability and cost control can be realized; the reinforcing plates 25 are arranged above the door-shaped supports 28, the reinforcing plates 25 are in welded connection with the web plates 4, the number of the reinforcing plates 25 is three, and the reinforcing plates 25 are arranged at the transition section of the wind power jacket and can be matched with the web plates 4, so that the stability and the rigidity of the device in the use process can be ensured, the tensile resistance and the deformation resistance of the device are improved, the distortion deformation of the device in the use process is avoided, and the safety performance of the device is optimized; an inner platform 16 disposed inside the center tube 2, a connection column 27 being provided on a surface of the inner platform 16; a bridge frame 21 arranged outside the connection column 27; the supporting rod 19 is arranged below the internal platform 16, the reinforcing rod 20 is arranged below the supporting rod 19, the suspender support 13 is arranged on the left side of the end barrel 3, the suspender 17 is arranged above the suspender support 13, a clamping structure is formed between the suspender support 13 and the suspender 17, the suspender support 13 is matched with the suspender 17 in size, the suspender support 13 is arranged at the transition section of the wind power jacket and can be clamped with the suspender 17, so that the suspender 17 can be supported and fixed conveniently, and the suspender 17 can play a certain positioning and guiding role for the device in the using process.
Referring to fig. 5, a wind power jacket transition section includes an external platform 14 disposed above a top plate 5, and a framework 26 disposed above the external platform 14; a balustrade 15 disposed outside the outer platform 14; reinforcing rib 18, its surface that sets up at outside platform 14, be fixed connection between reinforcing rib 18 and the outside platform 14, and mutually perpendicular between railing 15 and the outside platform 14, this wind-powered electricity generation jacket changeover portion is provided with outside platform 14, can go to overhaul the device and control on being convenient for the workman, reinforcing rib 18 can effectively improve the intensity and the compressive capacity of outside platform 14 simultaneously, railing 15 can play certain guard action to outside platform 14 when guaranteeing staff's safety.
The assembly process of the deep water wind power jacket transition section comprises the following steps:
s1, arranging temporary building supports: the supporting plates 11 are placed in parallel at a certain distance, and the supporting columns 12 are placed on three corners of the outer side of the supporting plates 11 in a group of two by two, so that the subsequent component installation can be supported, and the structural rigidity at the initial construction stage is ensured.
S2, mounting the combined component: the bottom plate 1 is placed on the supporting plate 11 and the supporting columns 12, the central cylinder 2 is placed in the middle of the bottom plate 1, the three end cylinders 3 are placed on three corners of the bottom plate 1, the door-shaped supports 28 are installed in gaps between the bottom plate 1 and the end cylinders 3, the web plates 4 are installed on the outer sides of the door-shaped supports 28, the reinforcing plates 25 are installed above the door-shaped supports 28 and fixed through the top plate 5, the requirements of size building accuracy can be met through the door-shaped supports 28, meanwhile, the reinforcing plates 25 and the web plates 4 are matched with each other, and therefore stability and rigidity of the device in the using process can be guaranteed.
S3, mounting the inner platform and the outer platform 14: and hoisting the outer platform 14 to install the outer platform on the cylinder body of the central cylinder 2, welding the outer platform 14, hoisting the inner platform 16 with bulk paint to enter the cylinder body of the central cylinder 2, and performing bolt connection installation in the cylinder body of the central cylinder 2.
S4, preparation test: install jib 17 in the top that the jib supported 13, install electrical equipment and cable respectively on interior platform 16, carry out the test experiment, jib 17 can play certain location and guide effect to the device.
In summary, when the wind power jacket transition section is used, firstly, the support plate 11 and the support column 12 are placed on the platform, the bottom plate 1 is hoisted to the support plate 11 and the support column 12 on the platform, and the central cylinder 2 is hoisted to be installed on the bottom plate 1; secondly, the door-shaped supports 28 are sequentially arranged on the outer side of the central cylinder 2, after the installation is finished, the web plate 4 is arranged on the outer side of the door-shaped supports 28, the door-shaped supports 28 are fixed, and then the end cylinder 3 is arranged on the outermost side of the web plate 4; secondly, the lightening holes 24 on the outer wall of the central cylinder 2 can lighten the total weight of the device while ensuring the stability, so that the device can be conveniently hoisted and fixed, and the suspender supports 13 can be clamped with the suspender 17, so that the suspender 17 can be conveniently supported and fixed; then, the reinforcing plate 25 is arranged above the door-shaped support 28, the reinforcing plate 25 is fixed by using the top plate 5, when the device needs to be hoisted, the mounting plate 7 and the fixing plate 8 below the lifting lug 6 can be fixed on the central cylinder 2 through bolts, the lifting lug 6 is hooked by the cable 10 below the lifting ring 22 on the lifting appliance 9, and the lifting equipment hooks the lifting plate 23, so that the device can be hoisted; finally, install outside platform 14 on a 2 barrel of a center section of thick bamboo, weld outside platform 14, connect and then pack into inside platform 16 in a 2 barrel of a center section of thick bamboo, carry out the bolted connection installation to it in the barrel of a 2 barrel of a center section of thick bamboo, anchor strut 20 can support and fix branch 19, and strengthening rib 18 can effectively improve the intensity and the compressive capacity of skeleton 26, and railing 15 can ensure staff's safety, and spliced pole 27 can support and fix crane span structure 21.
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. A wind power jacket transition section, comprising:
the device comprises a bottom plate (1), wherein a central cylinder (2) is arranged above the bottom plate (1);
an end cylinder (3) disposed outside the base plate (1);
the mounting plate (7) is arranged above the central cylinder (2), and a fixing plate (8) is mounted on the outer wall of the mounting plate (7);
the lifting lug (6) is arranged above the mounting plate (7), and a cable (10) is arranged above the lifting lug (6);
a hanging ring (22) arranged above the cable (10), wherein a lifting appliance (9) is arranged above the hanging ring (22);
hanger plates (23) provided on both left and right sides of the hanger (9);
a top plate (5) disposed above the end drum (3);
a web (4) provided on the outer wall of the end drum (3);
the supporting plate (11) is arranged below the bottom plate (1), and a supporting column (12) is arranged on the outer side of the supporting plate (11);
a lightening hole (24) provided at an inner wall of the central cylinder (2);
a portal support (28) disposed inside the web (4);
a reinforcement plate (25) disposed above the gate support (28);
an internal platform (16) arranged inside the central cartridge (2), the surface of the internal platform (16) being provided with a connection column (27);
-a bridge (21) arranged outside said connection column (27);
a strut (19) disposed below the inner platform (16), a reinforcing rod (20) disposed below the strut (19).
2. A wind jacket transition section according to claim 1, wherein: lightening holes (24) penetrate through the inner wall of the central cylinder (2), and the lightening holes (24) are uniformly distributed along the inner wall of the central cylinder (2) at equal intervals.
3. A wind jacket transition section according to claim 1, wherein: the door-shaped support (28) is connected with the web plate (4) in a welding mode, the door-shaped support (28) is perpendicular to the bottom plate (1), and the bottom plate (1) is movably connected with the support plate (11) and the support column (12).
4. A wind jacket transition section according to claim 1, wherein: the reinforcing plates (25) are connected with the web plates (4) in a welding mode, and the number of the reinforcing plates (25) is three.
5. A wind jacket transition according to claim 1, characterized in that the end cartridge (3) is further provided with:
and a boom support (13) provided on the left side of the end drum (3), wherein a boom (17) is provided above the boom support (13).
6. A wind power jacket transition section according to claim 5, wherein: a clamping structure is formed between the suspender support (13) and the suspender (17), and the suspender support (13) is matched with the suspender (17) in size.
7. A wind jacket transition according to claim 1, characterized in that the top plate (5) is further provided with:
an outer platform (14) disposed above the top plate (5), a framework (26) being disposed above the outer platform (14);
a railing (15) disposed outside of the outer platform (14);
a stiffener (18) provided on a surface of the outer platform (14).
8. A wind jacket transition section according to claim 7, wherein: the reinforcing ribs (18) are fixedly connected with the external platform (14), and the railings (15) are perpendicular to the external platform (14).
9. The assembly process of a wind power jacket transition section according to claims 1-8, characterized in that: the assembly process of the deepwater wind power jacket transition section comprises the following steps:
s1, arranging temporary building supports: the supporting plates (11) are placed in parallel according to a certain distance, and the supporting columns (12) are placed on three corners of the outer side of the supporting plates (11) in a group two by two mode.
S2, mounting the combined component: the bottom plate (1) is placed on the supporting plate (11) and the supporting column (12), the central cylinder (2) is placed in the middle of the bottom plate (1), the three end cylinders (3) are placed on three corners of the bottom plate (1), then the door-shaped support (28) is installed in a gap between the bottom plate (1) and the end cylinders (3), the web plate (4) is installed on the outer side of the door-shaped support (28), and then the reinforcing plate (25) is installed above the door-shaped support (28) and fixed by the top plate (5).
S3, mounting inner and outer platforms (14): and hoisting the external platform (14) and installing the external platform on the cylinder body of the central cylinder (2), welding the external platform (14), hoisting the internal platform (16) with bulk paint to enter the cylinder body of the central cylinder (2), and performing bolt connection and installation in the cylinder body of the central cylinder (2).
S4, preparation test: a boom (17) is installed above the boom support (13), and an electrical device and a cable are installed on an internal platform (16) respectively to perform a test experiment.
CN202111452385.1A 2021-12-01 2021-12-01 Wind power jacket transition section and assembling process Pending CN114016540A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111452385.1A CN114016540A (en) 2021-12-01 2021-12-01 Wind power jacket transition section and assembling process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111452385.1A CN114016540A (en) 2021-12-01 2021-12-01 Wind power jacket transition section and assembling process

Publications (1)

Publication Number Publication Date
CN114016540A true CN114016540A (en) 2022-02-08

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Application Number Title Priority Date Filing Date
CN202111452385.1A Pending CN114016540A (en) 2021-12-01 2021-12-01 Wind power jacket transition section and assembling process

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Publication number Priority date Publication date Assignee Title
CN115306647A (en) * 2022-08-03 2022-11-08 中国能源建设集团广东省电力设计研究院有限公司 Novel transition section structure of offshore wind turbine jacket foundation and fatigue calculation method

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CN214733759U (en) * 2021-03-17 2021-11-16 中交第三航务工程局有限公司 Lifting appliance for three-pile suction tube jacket

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115306647A (en) * 2022-08-03 2022-11-08 中国能源建设集团广东省电力设计研究院有限公司 Novel transition section structure of offshore wind turbine jacket foundation and fatigue calculation method

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