CN111021392A - Novel multi-cylinder jacket offshore wind turbine foundation - Google Patents
Novel multi-cylinder jacket offshore wind turbine foundation Download PDFInfo
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- CN111021392A CN111021392A CN201911099909.6A CN201911099909A CN111021392A CN 111021392 A CN111021392 A CN 111021392A CN 201911099909 A CN201911099909 A CN 201911099909A CN 111021392 A CN111021392 A CN 111021392A
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- wind turbine
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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
- E02D27/50—Anchored foundations
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
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Abstract
The invention relates to a novel multi-cylinder jacket offshore wind turbine foundation, which comprises: an upper transition section; the suction cylinders are arranged below the upper transition section and are uniformly distributed by taking the upper transition section as the center; the top of the suction tube is a tube top; the plurality of lower transition sections are respectively arranged on the tops of the plurality of suction cylinders; the lower transition section comprises an annular plate and rib plates which are arranged on the top of the barrel, the plurality of rib plates are uniformly distributed around the annular plate, and one end of each rib plate is connected with the outer peripheral side of the annular plate; a jacket comprising a plurality of main legs; the top ends of the main legs are connected with the upper transition section, and the bottom ends of the main legs are connected with the annular plate on the corresponding lower transition section. During the use, the fan is installed on last changeover portion, and lower changeover portion can effectively evenly transmit the section of thick bamboo top region to a suction section of thick bamboo with the load on the main leg of jacket, effectively guarantees the even atress in section of thick bamboo top of suction section of thick bamboo, is difficult for causing a suction section of thick bamboo to receive intensity destruction and fatigue failure, is favorable to long-term safety, the steady operation of a suction section of thick bamboo.
Description
Technical Field
The invention relates to the technical field of offshore wind power engineering, in particular to a novel multi-cylinder jacket offshore wind turbine foundation.
Background
The wind power energy is a clean energy which is pollution-free and renewable. China is a country with abundant offshore wind power resources, offshore wind power has higher generated energy of a fan, is more stable to operate and does not occupy land resources compared with land, and offshore wind power has great development potential in the face of vigorous energy requirements in developed regions facing the sea. With the gradual maturity of offshore wind power technology, high-power fans and deep water areas are the future development direction.
Offshore wind turbines must be supported on an offshore wind turbine foundation. The lower transition section of the multi-cylinder foundation of the traditional offshore wind turbine is mainly connected with the cylinder top of the suction cylinder through two inclined struts; meanwhile, the lowest layer of the jacket of the multi-cylinder foundation of the offshore wind turbine is additionally provided with two cross braces besides the X inclined strut, and after the foundation is penetrated in place, the foundation bears wind, wave, current and other marine environment loads and the wind turbine load transmitted from the upper part of the foundation. But the lower changeover portion of the many section of thick bamboo bases of traditional offshore wind turbine adopts two bracing forms, and this form is unfavorable for the load transmission, forms stress concentration in the section of thick bamboo top position of a suction section of thick bamboo easily, easily causes a suction section of thick bamboo to receive intensity destruction and fatigue failure, is unfavorable for the long-term steady operation of a suction section of thick bamboo.
Disclosure of Invention
Based on this, it is necessary to provide a novel multi-tube jacket offshore wind turbine foundation for solving the problems of the conventional technology.
A novel multi-cylinder jacket offshore wind turbine foundation, comprising:
an upper transition section;
the suction cylinders are arranged below the upper transition section and are uniformly distributed by taking the upper transition section as a center; the top of the suction tube is a tube top;
the plurality of lower transition sections are respectively arranged on the cylinder tops of the plurality of suction cylinders; the lower transition section comprises an annular plate and rib plates arranged on the top of the barrel, the rib plates are uniformly distributed around the annular plate, and one ends of the rib plates are connected with the outer peripheral side of the annular plate; and
a jacket comprising a plurality of main legs; many main legs and a plurality of down the changeover portion one-to-one sets up, the top of main leg with go up the changeover portion and connect, the bottom of main leg with correspond down on the changeover portion the annular plate is connected.
When above-mentioned novel many barrels of jacket offshore wind turbine foundation uses, the fan is installed on last changeover portion, because a plurality of floors of the lower changeover portion on the suction section of thick bamboo encircle annular plate evenly distributed, and the one end and the annular plate of floor are connected, thereby lower changeover portion can be effectively with the even transmission of load to the bobbin deck region of suction section of thick bamboo on the main leg of jacket, the load of transmission to annular plate on the main leg of jacket promptly, a part of load directly transmits to the bobbin deck of suction section of thick bamboo through the annular plate on, a part of load transmits respectively to each floor through the annular plate, again from each floor transmission to the bobbin deck of suction section of thick bamboo, the even atress of bobbin deck of suction section of thick bamboo is effectively guaranteed, effectively avoid the bobbin deck to appear the stress concentration condition promptly, be difficult for causing the suction section of thick bamboo to receive intensity destruction and fatigue destruction, be favorable to the long-term safety of suction section of thick.
In one embodiment, the upper transition section comprises a general column and a plurality of box beams connected with the general column, the box beams are uniformly distributed around the general column, the box beams and the suction cylinders are arranged in a one-to-one correspondence manner, and the top ends of the main legs are connected with the box beams.
In one embodiment, a fixed cavity is arranged in the general column; the upper transition section further comprises a vertical rib plate, and the vertical rib plate is arranged on the inner wall of the fixed cavity.
In one embodiment, a horizontal web is connected between two adjacent box girders.
In one embodiment, the jacket further comprises a brace connected between two adjacent main legs.
In one embodiment, the outer periphery of the annular plate is provided with a plurality of protrusions which are uniformly arranged at intervals, the plurality of protrusions are arranged in one-to-one correspondence with the plurality of ribs, and one end of each rib is connected with the corresponding protrusion.
In one embodiment, the rib plate includes a vertical portion and an oblique portion, the vertical portion is disposed on the top of the drum, and one end of the vertical portion is connected to the outer circumferential side of the annular plate; one side surface of the vertical part, which is far away from the cylinder top, is an installation surface, and the oblique part is arranged on the installation surface of the vertical part.
In one embodiment, the distance between the mounting surface and the cylinder top is gradually reduced in a direction away from the annular plate in a radial direction of the cylinder top.
In one embodiment, two sides of the oblique portion extend out of the vertical portion respectively.
In one embodiment, the rib plate further comprises a blocking portion, the blocking portion is connected with one end, away from the annular plate, of the vertical portion, and the blocking portion is further connected with one end, away from the annular plate, of the inclined portion.
Drawings
FIG. 1 is a schematic structural view of a novel multi-can jacket offshore wind turbine foundation of the present invention;
FIG. 2 is a front view of the novel multi-can jacket offshore wind turbine foundation of FIG. 1, with the flange platform, second ladder and operating platform omitted;
FIG. 3 is a top view of the novel multi-can jacket offshore wind turbine foundation of FIG. 2;
FIG. 4 is a schematic structural view of an upper transition section of the novel multi-spar jacket offshore wind turbine foundation of FIG. 1;
fig. 5 is a schematic structural view of a lower transition section of the novel multi-jacket offshore wind turbine foundation of fig. 1.
The meaning of the reference symbols in the drawings is:
the structure comprises an upper transition section 10, a general column 11, a box girder 12, a sleeving part 13, a containing cavity 14, a vertical rib plate 15, a horizontal web plate 16, a suction tube 20, a tube top 21, a lower transition section 30, a ring plate 31, a rib plate 32, a bulge 33, an arc plate 34, a vertical part 35, an oblique part 36, a resisting part 37, a reinforcing rib 38, a guide pipe frame 40, a main leg 41, an X inclined strut 42, a ship leaning part 50, a first ladder stand 60, a flange platform 70, a support column 80, a second ladder stand 90 and an operation platform 100.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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.
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. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Referring to fig. 1 to 5, the new multi-tube jacket offshore wind turbine foundation of the present invention is used for installing an offshore wind turbine; referring to fig. 1 to 3, the novel multi-tube jacket offshore wind turbine foundation includes an upper transition section 10, a plurality of suction tubes 20, a plurality of lower transition sections 30, and a jacket 40. Wherein, a plurality of suction cylinders 20 are arranged below the upper transition section 10 and are uniformly distributed by taking the upper transition section 10 as the center, and the top of the suction cylinder 20 is a cylinder top 21. The plurality of lower transition sections 30 are respectively arranged on the tube tops 21 of the plurality of suction tubes 20, the lower transition sections 30 include annular plates 31 and ribs 32 arranged on the tube tops 21, the plurality of ribs 32 are uniformly distributed around the annular plates 31, and one ends of the ribs 32 are connected with the outer peripheral sides of the annular plates 31. The jacket 40 includes a plurality of main legs 41, the plurality of main legs 41 are disposed in one-to-one correspondence with the plurality of lower transition sections 30, the top ends of the main legs 41 are connected to the upper transition section 10, and the bottom ends of the main legs 41 are connected to the corresponding annular plates 31 on the lower transition sections 30.
When the novel multi-tube jacket offshore wind turbine foundation is used, the wind turbine is installed on the upper transition section 10, because the plurality of rib plates 32 of the lower transition section 30 on the suction tube 20 are uniformly distributed around the annular plate 31, and one end of the rib plate 32 is connected with the annular plate 31, the lower transition section 30 can effectively and uniformly transmit the load on the main leg 41 of the jacket 40 to the tube top 21 area of the suction tube 20, namely, the load transmitted to the annular plate 31 from the main leg 41 of the jacket 40, one part of the load is directly transmitted to the tube top 21 of the suction tube 20 through the annular plate 31, one part of the load is respectively transmitted to each rib plate 32 through the annular plate 31 and then transmitted to the tube top 21 of the suction tube 20 from each rib plate 32, the uniform stress on the tube top 21 of the suction tube 20 is effectively ensured, namely, the condition of stress concentration on the tube top 21 is effectively avoided, and the suction tube 20 is not easy to be damaged by strength and fatigue, is beneficial to the long-term safe and stable operation of the suction barrel 20.
Referring to fig. 1, in some embodiments, the upper transition section 10 includes a general column 11 and a plurality of box beams 12 connected to the general column 11, the general column 11 is used for being fixedly connected to a tower of a wind turbine, the plurality of box beams 12 are uniformly distributed around the general column 11, the plurality of box beams 12 and the plurality of suction cylinders 20 are arranged in a one-to-one correspondence, and the top end of the main leg 41 is connected to the box beams 12. Since the plurality of box girders 12 are uniformly distributed around the general columns 11, it is possible to effectively uniformly transmit the load of the wind turbine, particularly the load of the high-power wind turbine, to the jacket 40.
Specifically, the general column 11 is cylindrical, one end of the box beam 12, which is far away from the general column 11, is connected to the top end of the main leg 41, and the width of the box beam 12 is gradually narrowed along the radial direction of the general column 11 toward the direction far away from the general column 11, which is beneficial to improving the stability of the fan support. Referring to fig. 4, further, the box girder 12 has a sleeve 13 at an end thereof away from the general column 11, and the sleeve 13 is used for sleeving the top end of the main leg 41.
With continued reference to fig. 4, in some embodiments, a containing cavity 14 is provided in the military column 11, and the containing cavity 14 is used for laying a submarine cable, i.e. a part of the submarine cable is reserved in the containing cavity 14; the upper transition section 10 further comprises vertical rib plates 15, the vertical rib plates 15 are arranged on the inner wall of the accommodating cavity 14, and the vertical rib plates 15 are used for reinforcing the general column 11 and are beneficial to improving the firmness of the general column 11. Further, a plurality of vertical rib plates 15 are provided, and the plurality of vertical rib plates 15 are uniformly distributed along the inner wall of the accommodating cavity 14.
In some embodiments, a horizontal web 16 is connected between two adjacent box girders 12, and the horizontal web 16 connects the bottoms of two adjacent box girders 15 and the bottom of the general column 11, so that the large bending moment load at the general column 11 can be effectively converted into the drawing load borne by the jacket 40, and the stability of the upper transition section 10 is enhanced.
As can be seen from the above, the number of the lower transition sections 30 is equal to the number of the suction cylinders 20, the number of the main legs 30 is equal to the number of the lower transition sections 30, and the number of the box girders 12 is equal to the number of the suction cylinders 20; in this embodiment, the number of box girder 12, suction section of thick bamboo 20, lower changeover portion 30 is three, and the quantity of main leg 30 is three for whole novel many tubes jacket offshore wind turbine foundation becomes the triangle body setting, and stability is good, and the atress mode is excellent.
Referring to fig. 5, the outer periphery of the annular plate 31 has a plurality of protrusions 33 uniformly spaced apart, the plurality of protrusions 33 are disposed in one-to-one correspondence with the plurality of ribs 32, and one end of each rib 32 is connected to the corresponding protrusion 33. Further, be connected with arc 34 between two adjacent archs 33, arc 34 sets up on the annular plate 31 keeps away from the one end of bobbin top 21, and the setting of arc 31 effectively guarantees that the big moment of flexure load of annular plate 31 department can convert the drawing load that bobbin top 21 bore into, has strengthened the stability of lower changeover portion 30 simultaneously. Further, the annular plate 31, the protrusion 33 and the arc plate 34 are integrally formed, so that the stability is good.
In the present embodiment, the number of the ribs 32 is eight, the eight ribs 32 are uniformly distributed around the annular plate 31, the load on the main leg 41 of the jacket 40 can be effectively and uniformly transmitted to the top 21 region of the suction tube 20, and the number of the protrusions 33 is also eight.
Specifically, the rib plate 32 includes a vertical portion 35 and an oblique portion 36, the vertical portion 35 is provided on the can top 21, and one end of the vertical portion 35 is connected to the outer peripheral side of the annular plate 31; specifically, one end of the vertical portion 35 is connected with the protrusion 33, and a side surface of the vertical portion 35 away from the cylinder top 21 is a mounting surface, and a distance between the mounting surface and the cylinder top 21 gradually decreases along the radial direction of the cylinder top 21 towards a direction away from the annular plate 31, that is, the vertical portion 35 is arranged in a triangular shape, so that the stability is good. The oblique portion 36 is disposed on the mounting surface of the vertical portion 35, and two side edges of the oblique portion 36 extend out of the vertical portion 35 respectively.
Further, the rib plate 32 further includes a resisting portion 37, the resisting portion 37 is connected to an end of the vertical portion 35 away from the annular plate 31, the resisting portion 37 is further connected to an end of the oblique portion 36 away from the annular plate 31, and the resisting portion 37 is used for enhancing stability of the vertical portion 35 and stability of the oblique portion 36.
The lower transition section 30 further comprises a reinforcing rib 38 connected between two adjacent rib plates 32, the reinforcing rib 38 is arranged on the cylinder top 21, and the arrangement of the reinforcing rib 38 further ensures that the load on the cylinder top 21 is uniformly distributed, so that stress concentration is avoided, and meanwhile, the suction cylinder 20 is ensured not to be buckled and damaged in the process of penetrating into the seabed. Further, the number of the reinforcing ribs 38 between two adjacent ribs 32 is plural, and the plural reinforcing ribs 38 between two adjacent ribs 32 are provided at intervals. Specifically, in the present embodiment, the number of the reinforcing ribs 38 between two adjacent ribs 32 is two.
Referring to fig. 1 to 3, the jacket 40 further includes X braces 42 connected between two adjacent main legs 41, the number of the X braces between the two adjacent main legs 41 is 1-5 layers, and specifically, in this embodiment, the number of the X braces between the two adjacent main legs 41 is 2 layers.
In some embodiments, the novel multi-can jacket offshore wind turbine foundation further comprises a docking member 50 disposed on the jacket 40, the docking member 50 for docking the vessel. Specifically, the depending member 50 is provided on one of the main legs 41. Of course, in other embodiments, a docking member 50 may be provided on each main leg 41 to facilitate docking.
In some embodiments, the novel multi-spool jacket offshore wind turbine foundation further comprises a first ladder 60 disposed on the jacket 40, the first ladder 60 facilitating work by an operator on the jacket 40. Further, the first ladder stand 60 is a steel ladder stand, and the first ladder stand 60 is welded to the main leg 41.
Referring to fig. 1, in some embodiments, the novel multi-jacket offshore wind turbine foundation further includes a flange platform 70 disposed on the upper transition section 10, the flange platform 70 is sleeved on the general column 11, one end of the flange platform 70 extends to the outside of one of the box beams 12, a support column 80 is connected between one end of the flange platform 70 extending to the outside of one of the box beams 12 and one of the main legs 41, and the support column 80 is beneficial to enhancing the mounting stability of the flange platform 70 and preventing the flange platform 70 from deflecting relative to the upper transition section 10.
Further, novel many barrels of jacket offshore wind turbine foundations still include the second cat ladder 90 of setting on jacket 40, and the upper end and the flange platform 70 of second cat ladder 90 extend to the outer one end of one of them case roof beam 12 and be connected, are provided with operation platform 100 between second cat ladder 90 and the first cat ladder 60, and the upper end and the operation platform 100 of first cat ladder 60 link up, and the lower extreme and the operation platform 100 of second cat ladder 90 link up. Further, the second ladder stand 90 is a steel ladder stand, and the second ladder stand 90 is welded to the main leg 41.
When the novel multi-tube jacket offshore wind turbine foundation is used, a wind turbine is installed on an upper transition section 10, because a plurality of ribbed plates 32 of a lower transition section 30 on a suction tube 20 are uniformly distributed around an annular plate 31, and one end of each ribbed plate 32 is connected with the annular plate 31, the lower transition section 30 can effectively and uniformly transmit loads on a main leg 41 of a jacket 40 to a tube top 21 area of the suction tube 20, namely, the loads transmitted to the annular plate 31 from the main leg 41 of the jacket 40 are transmitted to the tube top 21 of the suction tube 20 through the annular plate 31, a part of the loads are directly transmitted to the tube top 21 of the suction tube 20 through the annular plate 31, a part of the loads are respectively transmitted to each ribbed plate 32 through the annular plate 31 and then transmitted to the tube top 21 of the suction tube 20 through each ribbed plate 32, the uniform stress on the tube top 21 of the suction tube 20 is effectively ensured, namely, the condition of stress concentration on the tube top 21 is effectively avoided, and the suction tube 20 is not, is beneficial to the long-term safe and stable operation of the suction barrel 20.
With the continuous development of offshore wind power, fan manufacturers continuously push out fans with higher power, and the fans are increased from 5MW and 6MW to 8MW and 10 MW. The increase of the fan power brings bigger fan load, and the box beams 12 are connected with the general columns 11 and uniformly distributed around the general columns 11, so that the load of the fan, particularly the large bending moment load of a high-power fan, can be effectively and uniformly transmitted to the guide pipe frame 40, and the adaptability to the high-power fan is excellent.
The novel multi-cylinder jacket offshore wind turbine foundation has a wide application range, and the manufacturing cost of the offshore wind turbine foundation can be effectively reduced. In a shallow region of an offshore covering layer, the offshore wind turbine foundation with the pipe frame can greatly reduce the rock-socketed risk of the foundation, so that the manufacturing cost of an offshore wind turbine foundation is reduced; in the deep sea area of depth of water, this pipe support offshore wind turbine foundation compares economic nature advantage great with many piles jacket foundations, and the depth of water is more deep, and economic nature advantage is bigger.
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. The utility model provides a novel many barrels of jacket offshore wind turbine foundations, its characterized in that includes:
an upper transition section;
the suction cylinders are arranged below the upper transition section and are uniformly distributed by taking the upper transition section as a center; the top of the suction tube is a tube top;
the plurality of lower transition sections are respectively arranged on the cylinder tops of the plurality of suction cylinders; the lower transition section comprises an annular plate and rib plates arranged on the top of the barrel, the rib plates are uniformly distributed around the annular plate, and one ends of the rib plates are connected with the outer peripheral side of the annular plate; and
a jacket comprising a plurality of main legs; many main legs and a plurality of down the changeover portion one-to-one sets up, the top of main leg with go up the changeover portion and connect, the bottom of main leg with correspond down on the changeover portion the annular plate is connected.
2. The novel multi-cylinder jacket offshore wind turbine foundation of claim 1, wherein the upper transition section comprises a general column and a plurality of box girders connected with the general column, the box girders are uniformly distributed around the general column, the box girders are arranged in one-to-one correspondence with the suction cylinders, and the top ends of the main legs are connected with the box girders.
3. The novel multi-barrel jacket offshore wind turbine foundation of claim 2, wherein a fixed cavity is provided in the general column; the upper transition section further comprises a vertical rib plate, and the vertical rib plate is arranged on the inner wall of the fixed cavity.
4. The novel multi-tube jacket offshore wind turbine foundation of claim 2, wherein a horizontal web is joined between two adjacent box girders.
5. The novel multi-spar jacket offshore wind turbine foundation of claim 1, wherein the jacket further comprises a brace connected between two adjacent main legs.
6. The novel multi-tube jacket offshore wind turbine foundation of claim 1, wherein a plurality of protrusions are uniformly spaced on the outer periphery of the annular plate, the plurality of protrusions are in one-to-one correspondence with the plurality of ribs, and one end of each rib is connected with the corresponding protrusion.
7. The novel multi-tube jacket offshore wind turbine foundation of claim 1, wherein the rib comprises a vertical part and an oblique part, the vertical part is arranged on the tube top, and one end of the vertical part is connected with the outer peripheral side of the annular plate; one side surface of the vertical part, which is far away from the cylinder top, is an installation surface, and the oblique part is arranged on the installation surface of the vertical part.
8. The novel multi-tube jacket offshore wind turbine foundation of claim 7, wherein the distance between the mounting surface and the tube top is gradually reduced in a radial direction of the tube top toward a direction away from the annular plate.
9. The novel multi-tube jacket offshore wind turbine foundation of claim 7, wherein two sides of the diagonal portion extend out of the vertical portion, respectively.
10. The novel multi-jacket offshore wind turbine foundation of claim 7, wherein the rib plate further comprises a blocking portion, the blocking portion is connected with an end of the vertical portion away from the annular plate, and the blocking portion is further connected with an end of the diagonal portion away from the annular plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911099909.6A CN111021392B (en) | 2019-11-12 | 2019-11-12 | Offshore wind turbine foundation with multi-cylinder jacket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911099909.6A CN111021392B (en) | 2019-11-12 | 2019-11-12 | Offshore wind turbine foundation with multi-cylinder jacket |
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| CN111021392A true CN111021392A (en) | 2020-04-17 |
| CN111021392B CN111021392B (en) | 2022-03-22 |
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| CN113417312A (en) * | 2021-07-16 | 2021-09-21 | 中国电建集团华东勘测设计研究院有限公司 | Fan foundation that many buckets were stood more and precast concrete cushion cap combined together |
| CN113718843A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Offshore wind power suction barrel foundation with turbulence net |
| CN113863357A (en) * | 2021-09-14 | 2021-12-31 | 山东电力工程咨询院有限公司 | Gravity center deviation single-column three-cylinder jacket foundation and construction method |
| CN113882422A (en) * | 2021-10-15 | 2022-01-04 | 福建省水利水电勘测设计研究院 | Offshore wind power jacket foundation transition section structure and manufacturing method thereof |
| CN113982025A (en) * | 2021-10-13 | 2022-01-28 | 中国能源建设集团广东省电力设计研究院有限公司 | Jacket foundation structure of offshore wind turbine and construction method thereof |
| CN114016540A (en) * | 2021-12-01 | 2022-02-08 | 珠海巨涛海洋石油服务有限公司 | Wind power jacket transition section and assembling process |
| CN114083244A (en) * | 2021-12-07 | 2022-02-25 | 南通振华重型装备制造有限公司 | Manufacturing process of jacket grouting pipe |
| CN114086530A (en) * | 2021-12-07 | 2022-02-25 | 南通振华重型装备制造有限公司 | Implanted rock-socketed three-pile jacket and construction method thereof |
| CN114802650A (en) * | 2022-04-28 | 2022-07-29 | 上海华润大东船务工程有限公司 | Precision control process for installing suction cylinder type jacket in floating dock |
| CN115370544A (en) * | 2022-10-24 | 2022-11-22 | 中国船舶重工集团国际工程有限公司 | Offshore wind power generation tower foundation |
| CN115583606A (en) * | 2022-08-24 | 2023-01-10 | 中国船舶集团风电发展有限公司 | Shipping and fixing tool for multi-cylinder jacket foundation and using method thereof |
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