CN114000536A - Large-pressure and small-pressure fan foundation structure and construction method - Google Patents
Large-pressure and small-pressure fan foundation structure and construction method Download PDFInfo
- Publication number
- CN114000536A CN114000536A CN202111447583.9A CN202111447583A CN114000536A CN 114000536 A CN114000536 A CN 114000536A CN 202111447583 A CN202111447583 A CN 202111447583A CN 114000536 A CN114000536 A CN 114000536A
- Authority
- CN
- China
- Prior art keywords
- anchor bolt
- original
- bolt assembly
- pressure
- flange
- 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
Links
- 238000010276 construction Methods 0.000 title claims abstract description 8
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 30
- 239000004567 concrete Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (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)
- Foundations (AREA)
Abstract
The invention discloses a fan foundation structure for large-pressure and small-pressure applications and a construction method, wherein the foundation structure comprises an original fan foundation structure, the original fan foundation structure comprises an anchor bolt assembly and a large-volume concrete structure, and local-pressure-resistant grouting bodies are arranged below the top of the anchor bolt assembly to finally form a large-plate type foundation structure; when a wind turbine generator with larger load is replaced, the diameter of a flange at the bottom of a tower is increased and the number of flange holes is increased due to the fact that the loads of an original wind turbine generator and a newly installed wind turbine generator are greatly increased; the invention utilizes the transformation of a new tower barrel bottom flange, utilizes the original anchor bolt assembly, and embeds the new anchor bolt assembly in advance, and then a layer of reinforced concrete structure is needed to be added on the rear upper part and the side surface of the fan foundation. Through improvement and reinforcement, an original wind turbine foundation is matched with a new wind turbine generator, the stability of the original structure is improved, and the wind turbine generator foundation can meet the requirements of replacing different wind turbine generators and guaranteeing the safety of the foundation.
Description
Technical Field
The invention relates to the technical field of wind generating set foundations, in particular to a wind turbine foundation structure for large-pressure and small-pressure wind turbines and a construction method.
Background
Wind power generation technology and grid-connected technology are continuously improved, wind generating sets tend to be large-sized, and long blades of high towers gradually become mainstream fans. The original 0.75-2 megawatt equal-capacity lower fan of some wind-powered electricity generation fields can't satisfy the power generation requirement because of the scheduling problem, need change the fan or change higher tower section of thick bamboo in order to solve wind generating set inefficiency problem, consequently can bring great load change, and original foundation structure can't satisfy the security, needs carry out more high-efficient reinforcement to original foundation structure and handles.
Disclosure of Invention
The invention aims to provide a fan foundation structure for large-scale and small-scale wind turbines, which is characterized in that a new tower barrel bottom flange is reformed, an original anchor bolt assembly is utilized, a reinforcing anchor bolt assembly is pre-buried, then a layer of reinforced concrete structure is required to be added to the rear upper part and the side surface of a fan foundation, the problem of low efficiency of the fan is solved, the fan or a higher tower barrel needs to be replaced, and the use requirement of the upper structure is met.
In order to achieve the purpose, the invention adopts the technical scheme that: a fan foundation structure for large-top pressure and small-top pressure comprises an original fan foundation structure, wherein a reinforced concrete layer is arranged on the outer side of a bearing platform of the original fan foundation structure, the top of the reinforced concrete layer is flush with the top of the original bearing platform, an annular groove is formed in the top of the bearing platform, an annular grouting layer and a flange structure are arranged in the groove, the flange structure comprises an inner flange and an outer flange, an original anchor bolt component is connected with the inner flange, and a reinforcing anchor bolt assembly is connected with the outer flange; the inner flange and the outer flange are respectively and correspondingly connected with an inner side flange and an outer side flange at the bottom of the fan tower cylinder.
The outer flange is provided with an outer anchor bolt hole, the inner flange is provided with an inner anchor bolt hole, the reinforcing anchor bolt assembly is arranged in the reinforced concrete layer, and an anchor bolt in the reinforcing anchor bolt assembly extends out of the top surface of the reinforced concrete layer and penetrates through the outer anchor bolt hole; the anchor bolts in the original anchor bolt assembly extend out of the top surface of a bearing platform of the original structure of the fan foundation and penetrate through the inner anchor bolt holes, the anchor bolts in the original anchor bolt assembly are arranged into a structure with two concentric circles by taking the center of the foundation as the center of a circle, and all the anchor bolts on the two concentric circles are uniformly distributed; the anchor bolts for reinforcing the anchor bolt assembly are arranged into a single-row circular structure by taking the center of the foundation as the circle center, and the anchor bolts are uniformly distributed.
The diameter of the inner anchor bolt hole needs to be matched with that of the original anchor bolt, the diameter of the inner anchor bolt hole is 39mm, 45mm, 51mm or 59mm, and the diameter and the number of the anchor bolt holes are matched with those of the anchor bolts in the reinforced anchor bolt assembly.
The length of the anchor bolt of the reinforcing anchor bolt assembly is about 1-2 m, and a PE sleeve is sleeved outside the reinforcing anchor bolt assembly to form a free end.
The area of the annular grouting material layer needs to be larger than that of the flange connection structure, the thickness of the annular grouting material layer is 80-150 mm, and the strength of the annular grouting material layer is not smaller than C80.
The bottom of the reinforcing anchor bolt assembly is provided with a steel ring which is arranged in the reinforced concrete layer, the bottom end of the anchor bolt of the reinforcing anchor bolt assembly penetrates through the steel ring, and the steel ring is used as an anchoring end; the thickness of the steel ring is 40-100 mm.
The strength of the reinforced concrete layer needs to be one grade higher than that of the original structural concrete of the wind turbine foundation, and is not less than C40.
The inner flange and the outer flange form an annular structure, the diameter of the annular structure is 3.5-5.5 m, the longitudinal section of the annular structure is T-shaped, the thickness of the annular structure is 50-200 mm, and the width of the section is 300-800 mm.
The anchor bolt upper portion of original anchor bolt sub-assembly exposes 400mm at fan basis top.
The invention relates to a construction method of a foundation structure of a high-pressure small-use fan, which comprises the following steps of:
step 1, after the original tower cylinder is hung, chiseling partial concrete on the outer side of the original anchor bolt assembly, and installing the reinforced anchor bolt assembly on the outer side of the original anchor bolt assembly;
step 2, casting an annular grouting material layer on the outer side of a bearing platform of the original structure of the fan foundation;
and 3, after the reinforced concrete layer is cured to reach the strength, performing post-tensioning on the anchor bolt of the original anchor bolt assembly and the anchor bolt of the reinforced anchor bolt assembly by using tensioning equipment.
Compared with the prior art, the invention has at least the following beneficial effects: according to the foundation structure of the wind turbine with the large upper pressure and the small upper pressure, the wind turbine or a higher tower cylinder needs to be replaced in order to solve the problem of low efficiency of the wind turbine, and the original foundation structure is reinforced more efficiently; according to the invention, the original anchor bolt assembly is fully utilized in the flange connection structure through processing, and the reinforced anchor bolt assembly is combined, so that the connection scheme is more reliable, a reinforced concrete layer is poured on the original foundation structure, and the load transmitted from the upper part is resisted together by generating larger uplift force; the wind generating set with larger power is replaced on the basis of the original site, so that the large-pressure and small-project can be smoothly realized, and the safe operation of the large set is ensured.
Drawings
FIG. 1 is a front cross-sectional view of a high pressure low profile wind turbine infrastructure of the present invention.
FIG. 2 is a top view of a high pressure low profile wind turbine infrastructure of the present invention.
FIG. 3 is a schematic view of a partial structure of a wind turbine infrastructure for high pressure and low pressure applications according to the present invention.
FIG. 4 is a plan view of a flange of a high pressure low profile wind turbine infrastructure of the present invention.
In the figure: 1-original anchor bolt assembly, 2-annular grouting material layer, 3-large-volume concrete structure, 4-flange connection structure, 5-reinforced anchor bolt assembly, 6-reinforced concrete layer, 7-steel ring, 401-outer anchor bolt hole, 402-tower cylinder wall and 403-inner anchor bolt hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
The original structure of the fan foundation comprises an original anchor bolt assembly 1 and a large-volume concrete structure 3 to form an original large-plate foundation structure, the original anchor bolt assembly 1 is used for being connected with a tower, and the large-volume concrete structure 3 is used for resisting load generated by fan operation; when changing the wind turbine generator system of bigger load, in order to utilize original structure to the utmost, demolish the back at the little fan tower section of thick bamboo of original load, need hoist and mount new tower section of thick bamboo on original big board-like foundation structure. The bottom of the new tower cylinder is provided with a flange connecting structure 4 which plays a role in connecting the new tower cylinder and the fan foundation.
Referring to fig. 1, 2, 3 and 4, an embodiment of the present invention provides a wind turbine foundation structure for large pressure and small pressure, the original wind turbine foundation structure includes an anchor bolt assembly 1 and a large-volume concrete structure 3, the wind turbine needs to be replaced or a higher tower needs to be replaced due to the low efficiency problem of the wind turbine, the original foundation structure is reinforced and flanged, a reinforced concrete layer 6 is arranged outside a bearing platform of the original wind turbine foundation structure, the top of the reinforced concrete layer 6 is flush with the top of the original bearing platform, an annular groove is formed in the top of the bearing platform, the annular grouting layer 2 and a flange structure 4 are arranged in the groove, the flange structure 4 includes an inner flange and an outer flange, the original anchor bolt assembly is connected with the inner flange, and a reinforcing anchor bolt assembly 5 is connected with the outer flange; the inner flange and the outer flange are respectively and correspondingly connected with an inner side flange and an outer side flange at the bottom of the fan tower cylinder.
An outer anchor bolt hole 401 is formed in the outer flange, an inner anchor bolt hole is formed in the inner flange, the reinforcing anchor bolt assembly 5 is arranged in the reinforced concrete layer 6, and an anchor bolt in the reinforcing anchor bolt assembly 5 extends out of the top surface of the reinforced concrete layer 6 and penetrates through the outer anchor bolt hole 401; the anchor bolts in the original anchor bolt assembly extend out of the top surface of a bearing platform of the original structure of the fan foundation and penetrate through the inner anchor bolt holes 403; hang at former tower section of thick bamboo and remove the back, 1 outside of original crab-bolt sub-assembly needs chisel out partial concrete, will strengthen crab-bolt sub-assembly 5 and install in 1 outside of original crab-bolt sub-assembly, and the bottom sets up steel loop 7 as the anchor end, and the later stage of being convenient for is to strengthening 5 stretch-draws of crab-bolt sub-assembly. The thickness of the steel ring 7 is 40-100 mm, and the diameter of the steel ring is the same as that of the anchor bolt assembly.
Furthermore, the anchor bolt assembly 1 of the original structure of the fan foundation comprises a plurality of anchor bolts, the anchor bolts are arranged into a structure with two concentric circles by taking the center as the center of a circle, and all the anchor bolts on the two concentric circles are uniformly distributed; strengthen crab-bolt sub-assembly 5 and include a plurality of crab-bolts, the crab-bolt uses basic center to arrange into single round structure, all crab-bolts evenly distributed as the centre of a circle. The foundation and the tower cylinder are in straight flexible connection, stress is reasonable, stress concentration is reduced, and reliability is improved. The anchor bolt material of the anchor bolt assembly 1 is 42CrMo alloy steel, and the model is M36-M64, so that the service life is not less than 20 years.
Further, referring to fig. 3, the bottom of the original anchor bolt assembly 1 is at the bottom of the fan foundation, the upper part of the original anchor bolt assembly 1 is exposed out of the top of the fan foundation by about 400mm, and the length of the original anchor bolt assembly 1 is about 3-5 m; the bottom of the reinforcing anchor bolt assembly 5 is arranged on the side face of the original fan foundation structure and in the reinforcing concrete layer 6, the length of the anchor bolt of the reinforcing anchor bolt assembly 5 is about 1-2 m, and a PE sleeve is sleeved outside the reinforcing anchor bolt assembly to form a free end.
Further, a reinforced concrete layer 6 is poured outside the reinforcing anchor bolt assembly 5 and on the upper part of the large-volume concrete structure 3, and is used for increasing the contact area between the large plate foundation and the foundation. The strength of the reinforced concrete layer 6 is required to be greater than that of the mass concrete structure 3 by one mark and not less than C40.
Further, a new tower cylinder is hoisted on the original large-plate type foundation structure. The bottom of the new tower cylinder is provided with a flange connecting structure 4 which plays a role in connecting the new tower cylinder and the fan foundation.
Further, the original anchor bolt assembly 1 is fixed by penetrating through the inner anchor bolt hole 403, the number of the original anchor bolts is required to be consistent with the number of the original anchor bolts, and the diameter of the inner anchor bolt hole 403 is required to be matched with the diameter of the original anchor bolt. The inner anchor bolt holes 403 are typically 39mm, 45mm, 51mm, 59mm in diameter; the reinforcing anchor bolt assembly 5 is fixed through the inner anchor bolt holes 401 through the anchor bolt holes 401, the diameter and the number of the anchor bolt holes 401 need to be matched with those of the reinforcing anchor bolt assembly 5, and the diameter and the number of the anchor bolts need to be calculated and determined through the load of the tower barrel of the new wind turbine. The flange connection structure 4 is composed of an outer anchor bolt hole 401, a tower wall 402 and an inner anchor bolt hole 403. The flange connecting structure 4 is an annular structure, the diameter of the annular structure is about 3.5 m-5.5 m, the section is a T-shaped section, the thickness is about 50 mm-200 mm, and the width of the section is about 300 mm-800 mm.
Further, an annular grouting material layer 6 is poured on the outer side of a bearing platform of the original structure of the fan foundation to form an annular partial pressure resistant structure for resisting the vertical force transmitted by the bottom of the tower barrel and preventing local damage. The area of the annular grouting material layer 6 is larger than that of the flange connecting structure 4; the thickness of the annular grouting material layer is 80-150 mm, and the strength is not less than C80; the annular grouting material layer 6, preferably a cement-based grouting material, is formed by proportionally mixing cement, aggregate, an additive and a mineral admixture in a professional engineering. The compressive strength is not less than 80 MPa, the fluidity is preferably more than 340mm, and the vertical expansion rate of 3 hours is between 0.1 and 3.5. When high temperature environment or winter construction exists, materials meeting corresponding conditions are selected.
Furthermore, the large-volume concrete structure 3 in the original structure of the fan foundation is made of C30-C60 reinforced concrete containing materials, the bottom of the bearing platform is circular, the diameter of the bottom of the bearing platform is 16-23 m, and the steel bars need to meet the requirements of relevant specifications.
In order to facilitate understanding of the invention, the construction method of the foundation structure of the high-pressure and small-pressure fan comprises the following steps:
step 1, after the original tower cylinder is hung, chiseling partial concrete on the outer side of the original anchor bolt assembly 1, and installing a reinforcing anchor bolt assembly 5 on the outer side of the original anchor bolt assembly 1;
step 2, casting an annular grouting material layer 6 on the outer side of a bearing platform of the original structure of the fan foundation;
and step 3, after the reinforced concrete layer 6 is cured to reach the strength, performing post-tensioning on the anchor bolt of the original anchor bolt assembly 1 and the anchor bolt of the reinforced anchor bolt assembly 5 by using tensioning equipment.
Furthermore, in the initial stage of constructing the reinforcing anchor bolt assembly 5 and the reinforced concrete layer 6, the bottom of the reinforced concrete layer 6 is provided with a steel ring 7 as an anchoring end, so that the reinforcing anchor bolt assembly 5 is conveniently tensioned in the later stage; the thickness of the steel ring 7 is 40-100 mm, and the diameter of the steel ring is the same as that of the anchor bolt assembly.
And 8: the bulk concrete structure 3 is made of C30-C60 reinforced concrete, the bottom of the bearing platform is circular, the diameter of the bottom of the bearing platform is about 16-23 m, and the steel bars need to meet the requirements of relevant specifications.
And step 9: and after the reinforced concrete layer is cured to reach the strength, performing post-tensioning on all anchor bolts by using tensioning equipment.
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 can substitute or change the technical solution of the present invention and its inventive concept within the technical scope of the present invention, and shall be covered by the protection scope of the present invention.
Claims (10)
1. A wind turbine foundation structure for large-upper-pressure and small-upper-pressure is characterized by comprising an original wind turbine foundation structure, wherein a reinforced concrete layer (6) is arranged on the outer side of a bearing platform of the original wind turbine foundation structure, the top of the reinforced concrete layer (6) is flush with the top of the original bearing platform, an annular groove is formed in the top of the bearing platform, the groove is provided with an annular grouting layer (2) and a flange structure (4), the flange structure (4) comprises an inner flange and an outer flange, an original anchor bolt component is connected with the inner flange, and a reinforced anchor bolt assembly (5) is connected with the outer flange; the inner flange and the outer flange are respectively and correspondingly connected with an inner side flange and an outer side flange at the bottom of the fan tower cylinder.
2. The foundation structure of the large-pressure small-size wind turbine as claimed in claim 1, wherein the outer flange is provided with an outer anchor bolt hole (401), the inner flange is provided with an inner anchor bolt hole, the reinforcing anchor bolt assembly (5) is arranged in the reinforced concrete layer (6), and the anchor bolt in the reinforcing anchor bolt assembly (5) extends out of the top surface of the reinforced concrete layer (6) and penetrates through the outer anchor bolt hole (401); the anchor bolts in the original anchor bolt assembly extend out of the top surface of a bearing platform of the original structure of the fan foundation and penetrate through inner anchor bolt holes (403), the anchor bolts in the original anchor bolt assembly are arranged into a structure with two concentric circles by taking the center of the foundation as the center of a circle, and all the anchor bolts on the two concentric circles are uniformly distributed; the anchor bolts of the reinforcing anchor bolt assembly (5) are arranged into a single-row circular structure by taking the basic center as the circle center, and the anchor bolts are uniformly distributed.
3. A wind turbine infrastructure for high and low pressures according to claim 2, characterized in that the diameter of the inner anchor holes (403) is matched to the diameter of the original anchor, the diameter of the inner anchor holes (403) is 39mm, 45mm, 51mm or 59mm, and the diameter and number of the anchor holes (401) is matched to the diameter and number of the anchors in the reinforced anchor assembly (5).
4. The fan foundation structure for upper and lower pressures according to claim 1, wherein the length of the anchor bolt of the reinforcing anchor bolt assembly (5) is about 1-2 m, and the PE sleeve is sleeved outside to form a free end.
5. The upper-pressure small-sized fan foundation structure according to claim 1, wherein the area of the annular grouting layer (6) is larger than that of the flange connection structure (4), the thickness of the annular grouting layer is 80-150 mm, and the strength of the annular grouting layer is not smaller than C80.
6. The upper-pressure and lower-pressure fan foundation structure as claimed in claim 1, wherein a steel ring (7) is arranged at the bottom of the reinforcing anchor bolt assembly (5), the steel ring (7) is arranged in the reinforced concrete layer (6), the bottom end of the anchor bolt of the reinforcing anchor bolt assembly (5) penetrates through the steel ring (7), and the steel ring (7) is used as an anchoring end; the thickness of the steel ring (7) is 40-100 mm.
7. The wind turbine foundation structure for high pressure and small volume according to claim 1, wherein the strength of the reinforced concrete layer (6) is higher than that of the original structural concrete of the wind turbine foundation by a certain level and is not less than C40.
8. The upper-pressure and lower-pressure fan foundation structure as claimed in claim 1, wherein the inner flange and the outer flange form a ring structure, the diameter of the ring structure is 3.5 m-5.5 m, the longitudinal section of the ring structure is T-shaped, the thickness of the ring structure is 50 mm-200 mm, and the width of the section is 300 mm-800 mm.
9. The fan foundation structure for upper pressure and lower pressure according to claim 1, wherein the upper part of the anchor bolt of the original anchor bolt assembly (1) is exposed to the top of the fan foundation by 400 mm.
10. The construction method of the foundation structure of the high-pressure and low-pressure wind turbine as claimed in any one of claims 1 to 9, comprising the steps of:
step 1, after an original tower cylinder is hung, chiseling partial concrete on the outer side of an original anchor bolt assembly (1), and installing a reinforcing anchor bolt assembly (5) on the outer side of the original anchor bolt assembly (1);
step 2, casting an annular grouting material layer (6) on the outer side of a bearing platform of the original structure of the fan foundation;
and 3, after the reinforced concrete layer (6) is maintained to reach the strength, performing post-tensioning on the anchor bolt of the original anchor bolt assembly (1) and the anchor bolt of the reinforced anchor bolt assembly (5) by using tensioning equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111447583.9A CN114000536A (en) | 2021-11-30 | 2021-11-30 | Large-pressure and small-pressure fan foundation structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111447583.9A CN114000536A (en) | 2021-11-30 | 2021-11-30 | Large-pressure and small-pressure fan foundation structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114000536A true CN114000536A (en) | 2022-02-01 |
Family
ID=79930978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111447583.9A Pending CN114000536A (en) | 2021-11-30 | 2021-11-30 | Large-pressure and small-pressure fan foundation structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114000536A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753403A (en) * | 2022-05-12 | 2022-07-15 | 四川瑞科同创电力工程设计有限公司 | Foundation structure of wind turbine generator set with large generation and small generation and construction method |
| CN114775676A (en) * | 2022-04-05 | 2022-07-22 | 中国电建集团华东勘测设计研究院有限公司 | Reconstruction method and application suitable for built old wind power plant fan foundation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011107589A1 (en) * | 2010-03-05 | 2011-09-09 | Suzlon Energy Gmbh | Tower for a wind turbine |
| CN205557550U (en) * | 2016-03-30 | 2016-09-07 | 陕西省建筑基础工程公司 | Wind turbine foundation finish rolling twisted steel changes and uses reinforcement and protection device |
| CN206015707U (en) * | 2016-08-30 | 2017-03-15 | 中国电建集团西北勘测设计研究院有限公司 | A kind of prestressed bolt blower foundation bracing means |
| US20200173421A1 (en) * | 2018-11-30 | 2020-06-04 | Nordex Energy Spain, S.A.U. | Anchor Cage for a Foundation of a Wind Turbine, Assembly Method Thereof and Foundation of a Wind Turbine |
| CN213204240U (en) * | 2020-07-31 | 2021-05-14 | 山东省邮电规划设计院有限公司 | Tower foot reinforcing apparatus suitable for tee pipe tower and four-pipe tower |
| CN214329024U (en) * | 2020-12-18 | 2021-10-01 | 瑞风能源（武汉）工程技术有限公司 | Fan foundation reinforcing structure |
| CN113550348A (en) * | 2021-08-27 | 2021-10-26 | 华能赫章风力发电有限公司 | Land large-plate foundation anchor rod reinforcing structure, construction method and fan foundation structure |
-
2021
- 2021-11-30 CN CN202111447583.9A patent/CN114000536A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011107589A1 (en) * | 2010-03-05 | 2011-09-09 | Suzlon Energy Gmbh | Tower for a wind turbine |
| CN205557550U (en) * | 2016-03-30 | 2016-09-07 | 陕西省建筑基础工程公司 | Wind turbine foundation finish rolling twisted steel changes and uses reinforcement and protection device |
| CN206015707U (en) * | 2016-08-30 | 2017-03-15 | 中国电建集团西北勘测设计研究院有限公司 | A kind of prestressed bolt blower foundation bracing means |
| US20200173421A1 (en) * | 2018-11-30 | 2020-06-04 | Nordex Energy Spain, S.A.U. | Anchor Cage for a Foundation of a Wind Turbine, Assembly Method Thereof and Foundation of a Wind Turbine |
| CN213204240U (en) * | 2020-07-31 | 2021-05-14 | 山东省邮电规划设计院有限公司 | Tower foot reinforcing apparatus suitable for tee pipe tower and four-pipe tower |
| CN214329024U (en) * | 2020-12-18 | 2021-10-01 | 瑞风能源（武汉）工程技术有限公司 | Fan foundation reinforcing structure |
| CN113550348A (en) * | 2021-08-27 | 2021-10-26 | 华能赫章风力发电有限公司 | Land large-plate foundation anchor rod reinforcing structure, construction method and fan foundation structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775676A (en) * | 2022-04-05 | 2022-07-22 | 中国电建集团华东勘测设计研究院有限公司 | Reconstruction method and application suitable for built old wind power plant fan foundation |
| CN114753403A (en) * | 2022-05-12 | 2022-07-15 | 四川瑞科同创电力工程设计有限公司 | Foundation structure of wind turbine generator set with large generation and small generation and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114000536A (en) | Large-pressure and small-pressure fan foundation structure and construction method | |
| AU2017330583B2 (en) | Foundation for a windmill | |
| CN108867688A (en) | A kind of offshore wind turbine gravity type foundation and its installation method | |
| EP2402529A2 (en) | Tower with tensioning cables | |
| CN103114604A (en) | Prestressed concrete tubular type wind generating set foundation | |
| CN102400469A (en) | Secant pile drum type foundation and construction method thereof | |
| WO2013044978A1 (en) | Method of building an offshore power storage facility and corresponding offshore power storage facility | |
| CN213417842U (en) | Assembled deep foundation pit supporting structure | |
| CN203625918U (en) | Anchor cable type wind driven generator base structure | |
| CN113550348A (en) | Land large-plate foundation anchor rod reinforcing structure, construction method and fan foundation structure | |
| CN213625671U (en) | Offshore wind power pile and bucket composite foundation structure connected by adopting reverse balance flange structure | |
| JP2015503060A (en) | Precast concrete structures supporting wind turbines | |
| CN110863953A (en) | Annular steel pipe concrete combined wind turbine generator tower structure | |
| CN208917861U (en) | A kind of offshore wind turbine gravity type foundation | |
| CN106592622A (en) | Annular concrete based wind-driven generator foundation structure with vertical prestress | |
| CN214940346U (en) | Prefabricated assembly and cast-in-place concrete combined type fan foundation | |
| CN211898511U (en) | Combined cylinder structure fan foundation | |
| CN114753403A (en) | Foundation structure of wind turbine generator set with large generation and small generation and construction method | |
| CN112343074A (en) | Spliced prefabricated root key type digging foundation | |
| CN212389473U (en) | Prefabricated assembled combination tower section of thick bamboo connected node of segmentation | |
| CN113216241A (en) | Prefabricated assembly and cast-in-place concrete combined type fan foundation | |
| CN208430522U (en) | The blower foundation of steel truss structure | |
| CN215715479U (en) | Large onshore plate type foundation anchor rod reinforcing structure and fan foundation structure | |
| CN113818474A (en) | Assembly type bearing platform anchor cable foundation of power transmission tower and construction method | |
| CN208472751U (en) | Offshore wind turbine prestressing force gravity type foundation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220201 |