CN104695411A - Prefabricated composite structure steel pipe pile wind power generation platform - Google Patents
Prefabricated composite structure steel pipe pile wind power generation platform Download PDFInfo
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- CN104695411A CN104695411A CN201510117868.4A CN201510117868A CN104695411A CN 104695411 A CN104695411 A CN 104695411A CN 201510117868 A CN201510117868 A CN 201510117868A CN 104695411 A CN104695411 A CN 104695411A
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- pile
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- wind power
- power generation
- prefabricated composite
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 238000010248 power generation Methods 0.000 title claims abstract description 32
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 229910052742 iron Inorganic materials 0.000 claims description 22
- 239000004567 concrete Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000013535 sea water Substances 0.000 abstract description 13
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 241000370738 Chlorion Species 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Wind Motors (AREA)
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Abstract
The invention discloses a prefabricated composite structure steel pipe pile wind power generation platform which comprises a steel pipe connecting section, a platform, prefabricated piles and a foundation steel pile, wherein the steel pipe connecting section is arranged on the upper surface of the horizontally placed platform and is vertical to the platform; the joint of the platform and the precast pile is treated by grouting, and the elevation of the joint is above the highest tide water level, so that the connection strength is ensured. A groove is arranged at the position where the lower surface of the platform is connected with the precast pile, and the top of the precast pile is clamped in the groove; the bottom of the precast pile is connected with the foundation steel pile through a bayonet structure, the foundation steel pile is driven into a seabed bearing layer by a piling machine, and the elevation of the top end of the foundation steel pile exceeds the elevation of the top of the seabed. Effectively solves the corrosion problem caused by seawater at present.
Description
Technical field
The present invention relates to a kind of offshore wind power generation basic facility, particularly relate to a kind of pre-manufactured steel pile tube wind power generation platform.
Background technology
Wind-powered electricity generation is new forms of energy with the fastest developing speed in world wide, up to the present, China in the Inner Mongol, Xinjiang, Gansu, northeast and the coastal region in east China built up large quantities of land wind energy turbine set.But along with the fast development of wind-powered electricity generation industry, land wind-resources has used totally, and offshore wind farm is imperative, and China has very long coastline, and abundant offshore wind energy resource, offshore wind farm will obtain tremendous development.Showing in following 2 years according to the data of National Energy Board's announcement to have 44 offshore wind farm projects to go into operation, and the coming years, offshore wind farm market prospects were very wide as can be seen here.
Usual land wind power foundation is mainly divided into concrete spread footing and pile foundation, offshore wind power generation basic and land wind power foundation have obvious difference, because seabed generally is the soft foundation of mucky soil or flour sand great soil group, bearing capacity of foundation soil is generally on the low side, and offshore wind power generation basic also will consider the impact of wave, containing a large amount of sulfate ions and chlorion in seawater, therefore offshore wind power generation basic will consider the etching problem of seawater.
Existing Oversea wind power generation platform pile foundation structure is substantially all piling bar, and steel corrosion phenomenon always in the seawater is the key factor affecting platform application life, and platform needs a large amount of cast in situs operation, and site work amount is large, and operation inconvenience, efficiency is low.Along with increasing Oversea wind power generation platform comes into operation, studying a kind of mode effectively extending platform application life and the on-the-spot efficiency of raising has major and immediate significance.
Summary of the invention
Main purpose of the present invention is, overcomes the defect that existing offshore wind power platform exists, and provides a kind of novel prefabricated combining structure steel pipe pile wind power generation platform, extends the application life of platform, thus is more suitable for practicality, and have the value in industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the Prefabricated composite structural iron pile tube wind power generation platform that the present invention proposes, include fastener for connection section, platform, preformed pile and foundation steel pile,
Described fastener for connection section is arranged on the platform upper surface of horizontal positioned, described fastener for connection section and described platform perpendicular,
The soffit of described platform is supported by the preformed pile of multiple setting parallel to each other, is connected bottom described preformed pile with foundation steel pile; Described platform and preformed pile junction adopt grouting treatment, ensure bonding strength, and when the absolute altitude of junction is positioned at climax more than water level, avoid seawater corrosion.
The position that described platform soffit is connected with preformed pile is provided with groove, the top card of described preformed pile and in described groove;
Be connected by bayonet arrangement with between foundation steel pile bottom described preformed pile, described foundation steel pile squeezes into sea bed bearing stratum by piling machinery, and foundation steel pile top absolute altitude exceeds sea bed elevation of top.
Further, aforesaid Prefabricated composite structural iron pile tube wind power generation platform, described platform is triangular structure, and described groove is separately positioned on the gable top place of the soffit of described platform, described preformed pile is arranged in described groove, makes connection more firm.
Further, aforesaid Prefabricated composite structural iron pile tube wind power generation platform, described preformed pile is combining structure, the inner reinforcing bar for arranging perpendicular to described platform, the external surface of described reinforcing bar is provided with external wrapping concrete, more effectively stops the etching problem that a large amount of sulfate ion comprised in seawater and chlorion bring, preformed pile adopts prefabrication, only need integral hoisting during construction at the scene, save on-site construction operations difficulty, raise the efficiency.
Further, aforesaid Prefabricated composite structural iron pile tube wind power generation platform, the bottom of described preformed pile is provided with bayonet arrangement.
Further, aforesaid Prefabricated composite structural iron pile tube wind power generation platform, the internal diameter of described bayonet arrangement is greater than the external diameter of described foundation steel pile, the top of described foundation steel pile is arranged in the bayonet socket of described bayonet arrangement, connecting portion adopts grouting treatment, and connecting portion is higher than sea bed absolute altitude, is arranged in seawater.
Further, aforesaid Prefabricated composite structural iron pile tube wind power generation platform, also include junction plate, described junction plate is cirque structure, and described junction plate is welded on the outside of described fastener for connection section, is bolted and fixes on the platform.
Further, aforesaid Prefabricated composite structural iron pile tube wind power generation platform, what the external surface of described fastener for connection section tilted is fixedly installed bracing members, and described bracing members is multiple, is preferably 3.
Further, aforesaid Prefabricated composite structural iron pile tube wind power generation platform, in 30 ° ~ 60 ° angles between described bracing members and horizontal plane, is preferably 30 ° or 45 °.
By technique scheme, Prefabricated composite structural iron pile tube wind power generation platform of the present invention at least has following advantages:
Prefabricated composite structural iron pile tube wind power generation platform infrastructure of the present invention, what be arranged in seawater is steel reinforced concrete preformed pile, by arranging concrete in reinforcing bar outer wrapping, the etching problem that a large amount of sulfate ion of comprising in seawater and chlorion bring can be solved to greatest extent, by working platform, steel reinforced concrete preformed pile are adopted prefabricate operation, greatly reduce the workload of marine site operation, raise the efficiency; The lower outside welding of fastener for connection section arranges junction plate, can increase the bonding strength of fastener for connection section and platform; That tilts in the periphery of fastener for connection section arranges multiple bracing members, for supporting steel pipe linkage section, more effectively ensures its fixed effect.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of Prefabricated composite structural iron pile tube wind power generation platform of the present invention;
Fig. 2 is the top view of Prefabricated composite structural iron pile tube wind power generation platform of the present invention;
Implication is marked: 1. fastener for connection section, 2. bracing members, 3. junction plate, 4. platform, 5. seawater, 6. sea bed, 7. bolt, 8. groove, 9. reinforcing bar, 10. preformed pile, 11. foundation steel pile, 12. external wrapping concretes, 13. bayonet arrangement in figure.
Detailed description of the invention
For further setting forth the present invention for reaching the technological means taked and effect of predetermined invention, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment of the present invention is described in detail as follows.
The structural representation of Prefabricated composite structural iron pile tube wind power generation platform of the present invention as shown in Figure 1 and Figure 2, includes fastener for connection section 1, bracing members 2, junction plate 3, platform 4, seawater 5, sea bed 6, bolt 7, groove 8, reinforcing bar 9, preformed pile 10, foundation steel pile 11, external wrapping concrete 12 and bayonet arrangement 13.
Fastener for connection section 1 and the perpendicular setting of horizontally disposed platform 4, be positioned at the upper surface centre position of platform 4, wherein junction plate 3 is a cirque structure, and annular junction plate 3 is welded on bottom the excircle of fastener for connection section 1, is fixed on platform 4 by bolt 4.The excircle of fastener for connection section 1 is provided with three bracing members 2 uniformly, bracing members 2 one end connecting platform 4 upper surface, the excircle of one end joint steel pipe linkage section 1, wherein bracing members 2 is arranged horizontal by 45 ° of angles, effective its fixing stability that ensures.
Wherein platform 4 is reinforced concrete prefabricated structural member, shape is triangle, the bottom lower surface of platform 4 is provided with circular groove 8, the diameter of circular groove 8 is slightly larger than the external diameter of preformed pile 10, card and fixing in groove 8 structure of preformed pile 10 top being inserted in platform 4 bottom, thus support platform 4, connecting portion adopts grouting treatment, and more than the water level of absolute altitude when being positioned at climax, effectively avoid the corrosion of seawater.
The cross section of preformed pile 10 is circular, and adopt factory process prefabricated, only need integral installation time at the construction field (site), preformed pile 10 forms primarily of reinforcing bar 9, the commercially available external wrapping concrete 12 with anticorrosion ability and bottom bayonet arrangement 13.Preformed pile 10 top is connected with platform 4, and bottom is connected with foundation steel pile 11.Wherein the bayonet socket internal diameter of preformed pile 10 lower end bayonet arrangement 13 is slightly larger than the external diameter of foundation steel pile 11, by the top card of foundation steel pile 11 with in the bayonet socket of bayonet arrangement 13 during connection, wherein bayonet socket junction is arranged in seawater 5, adopts underwater grouting process, ensures the intensity of junction.
Foundation steel pile 11 is round steel pipe, and its top absolute altitude is positioned at more than the elevation of top of sea bed 6, is driven into sea bed 6 bearing stratum by piling machinery, to ensure the firmness fixed.
When concrete fitting operation, foundation steel pile 11 is driven into sea bed 6 bearing stratum and fixes by piling machinery, preformed pile 10 integral hoisting factory process completed is to foundation steel pile 11 end face elevation location, by preformed pile 10 lower end bayonet arrangement 13, preformed pile 10 is fixed on foundation steel pile 11 upper end, and carry out underwater grouting process in junction, ensure installation strength.
After preformed pile 10 installation and junction, lower end have some strength, prefabricate reinforced concrete platform 4 is lifted to preformed pile 10 end face absolute altitude place, groove 8 and the preformed pile 10 end face one_to_one corresponding of platform 4, and adopt grouting treatment in groove 8 junction, strengthen connection function.
After the installation of reinforced concrete prefabricated platform 4, top steel pipe linkage section 1 is connected on platform 4 by stone bolt 7, after having connected, three bracing members 2 is set uniformly at fastener for connection section 1 excircle, ensures its stability.Wind power tower drum carries out corresponding connection to fastener for connection section 1 by flange.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a Prefabricated composite structural iron pile tube wind power generation platform, is characterized in that: include fastener for connection section (1), platform (4), preformed pile (10) and foundation steel pile (11),
Described fastener for connection section (1) is arranged on platform (4) upper surface of horizontal positioned, and described fastener for connection section (1) is perpendicular with described platform (4),
The soffit of described platform (4) is supported by the preformed pile (10) of multiple setting parallel to each other, and described preformed pile (10) bottom is connected with foundation steel pile (11);
The position that described platform (4) soffit is connected with preformed pile (10) is provided with groove (8), the top card of described preformed pile (10) and in described groove (8);
Described preformed pile (10) bottom is connected by bayonet arrangement (13) with between foundation steel pile (11).
2. Prefabricated composite structural iron pile tube wind power generation platform according to claim 1, it is characterized in that: described platform (4) is triangular structure, described groove (8) is separately positioned on the gable top place of the soffit of described platform (4), and described preformed pile (10) is arranged in described groove (8).
3. Prefabricated composite structural iron pile tube wind power generation platform according to claim 1 and 2, it is characterized in that: described preformed pile (10) is combining structure, the inner reinforcing bar (9) for arranging perpendicular to described platform (4), the external surface of described reinforcing bar (9) is provided with external wrapping concrete (12).
4. Prefabricated composite structural iron pile tube wind power generation platform according to claim 3, is characterized in that: the bottom of described preformed pile (10) is provided with bayonet arrangement (13).
5. the Prefabricated composite structural iron pile tube wind power generation platform according to claim 1 or 4, it is characterized in that: the internal diameter of described bayonet arrangement (13) is greater than the external diameter of described foundation steel pile (11), and the top of described foundation steel pile (11) is arranged in the bayonet socket of described bayonet arrangement (13).
6. Prefabricated composite structural iron pile tube wind power generation platform according to claim 1, it is characterized in that: also include junction plate (3), described junction plate (3) is cirque structure, described junction plate (3) is welded on the outside of described fastener for connection section (1), is bolted and is fixed on described platform (4).
7. the Prefabricated composite structural iron pile tube wind power generation platform according to claim 1 or 6, it is characterized in that: what the external surface of described fastener for connection section (1) tilted is fixedly installed bracing members (2), and described bracing members (2) is for multiple.
8. Prefabricated composite structural iron pile tube wind power generation platform according to claim 7, is characterized in that: in 30 ° ~ 60 ° angles between described bracing members (2) and horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117868.4A CN104695411B (en) | 2015-03-17 | 2015-03-17 | Prefabricated composite structure steel pipe pile wind power generation platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510117868.4A CN104695411B (en) | 2015-03-17 | 2015-03-17 | Prefabricated composite structure steel pipe pile wind power generation platform |
Publications (2)
| Publication Number | Publication Date |
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| CN104695411A true CN104695411A (en) | 2015-06-10 |
| CN104695411B CN104695411B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510117868.4A Active CN104695411B (en) | 2015-03-17 | 2015-03-17 | Prefabricated composite structure steel pipe pile wind power generation platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982165A (en) * | 2019-12-17 | 2021-06-18 | 中交路桥建设有限公司 | Construction method for assembling steel box girder of river channel |
| CN115874577A (en) * | 2022-12-02 | 2023-03-31 | 中国电建集团福建省电力勘测设计院有限公司 | Offshore wind power PHC high pile cap fan foundation berthing component and construction method thereof |
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| JP2005336967A (en) * | 2004-04-28 | 2005-12-08 | Mitani Sekisan Co Ltd | Concrete prefabricated pile |
| JP2009097261A (en) * | 2007-10-18 | 2009-05-07 | Sumitomo Metal Ind Ltd | Foundation pile structure, prefabricated concrete pile, and joint hardware for prefabricated concrete pile and steel pipe pile |
| CN103195040A (en) * | 2013-04-17 | 2013-07-10 | 清华大学 | Light composite structure jacket type offshore platform |
| CN103334423A (en) * | 2013-07-09 | 2013-10-02 | 中国人民解放军后勤工程学院 | Combined type steel pipe pile |
| CN103352474A (en) * | 2013-06-27 | 2013-10-16 | 天津大学 | High-rise pile cap offshore wind power foundation combining vertical single pile and multiple raking piles |
| CN204491567U (en) * | 2015-03-17 | 2015-07-22 | 苏交科集团股份有限公司 | Prefabricated steel pipe pile wind power generation platform |
-
2015
- 2015-03-17 CN CN201510117868.4A patent/CN104695411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005336967A (en) * | 2004-04-28 | 2005-12-08 | Mitani Sekisan Co Ltd | Concrete prefabricated pile |
| JP2009097261A (en) * | 2007-10-18 | 2009-05-07 | Sumitomo Metal Ind Ltd | Foundation pile structure, prefabricated concrete pile, and joint hardware for prefabricated concrete pile and steel pipe pile |
| CN103195040A (en) * | 2013-04-17 | 2013-07-10 | 清华大学 | Light composite structure jacket type offshore platform |
| CN103352474A (en) * | 2013-06-27 | 2013-10-16 | 天津大学 | High-rise pile cap offshore wind power foundation combining vertical single pile and multiple raking piles |
| CN103334423A (en) * | 2013-07-09 | 2013-10-02 | 中国人民解放军后勤工程学院 | Combined type steel pipe pile |
| CN204491567U (en) * | 2015-03-17 | 2015-07-22 | 苏交科集团股份有限公司 | Prefabricated steel pipe pile wind power generation platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112982165A (en) * | 2019-12-17 | 2021-06-18 | 中交路桥建设有限公司 | Construction method for assembling steel box girder of river channel |
| CN115874577A (en) * | 2022-12-02 | 2023-03-31 | 中国电建集团福建省电力勘测设计院有限公司 | Offshore wind power PHC high pile cap fan foundation berthing component and construction method thereof |
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| Publication number | Publication date |
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| CN104695411B (en) | 2016-10-05 |
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Inventor after: Zhang Jiandong Inventor after: Yang Guixin Inventor after: Liu Duo Inventor after: Wang Xiaofei Inventor after: Deng Wenqin Inventor after: Li Xuehong Inventor before: Zhang Jiandong Inventor before: Liu Duo Inventor before: Wang Xiaofei Inventor before: Deng Wenqin Inventor before: Li Xuehong |
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