CN204040054U - For the composite pile foundation of offshore wind farm - Google Patents
For the composite pile foundation of offshore wind farm Download PDFInfo
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- CN204040054U CN204040054U CN201420509758.3U CN201420509758U CN204040054U CN 204040054 U CN204040054 U CN 204040054U CN 201420509758 U CN201420509758 U CN 201420509758U CN 204040054 U CN204040054 U CN 204040054U
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- stake
- pile
- pipe pile
- steel pipe
- composite
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Abstract
The utility model discloses a kind of composite pile foundation for offshore wind farm, comprise at least three composite piles (10), spider (19), every root composite pile (10) is divided into epimere stake (11) and hypomere stake (12), the prestressing concrete pipe pile that epimere stake (11) is steel pipe pile or at least part of outside steel pipe, hypomere stake (12) is prestressing concrete pipe pile, spider (19) is provided with the steel pin cylinder (20) corresponding with epimere stake (11) quantity, every root epimere stake (11) is through a steel pin cylinder and fix with steel pin cylinder.The utility model is compared with common large diameter steel pipe pile, more reasonable structure, the alternative of pile foundation is larger, steel pipe pile and prestressing concrete pipe pile advantage separately can be given full play to, saving steel, the construction equipment requirement of pile foundation is low simultaneously, alternative is wider, and the difficulty of offshore construction is little, and overall economics is better.
Description
Technical field
The utility model belongs to the technical field on ocean engineering basis, is specifically related to a kind of composite pile foundation for offshore wind farm.
Background technology
Marine engineering is because at sea constructing, and operating mode is comparatively severe, have can the engineering time short, difficulty of construction is large, by features such as the effect of natural conditions such as weather sea situation are huge.
At present, steel pipe pile is one of particularly conventional in offshore wind farm engineering base_structure types of ocean engineering, there is structure simple, stressed clear and definite, easy to make, resistance to compression, tension, the advantage such as anti-bending strength is good, piling construction speed is fast, be applicable to the Engineering Zone that Soft Soil Layer is thicker.But steel pipe pile has the following disadvantages: rolled steel dosage is many, cost is high, and the diameter of single stake is large, and weight is large, and construction equipment requires high, and operating expenses is high; In addition because pile foundation suffered moment of flexure below mud face reduces gradually, after certain depth, the bending resistance surplus capacity of steel pipe pile increases gradually, therefore adopts whole steel pipe pile foundation to seem and compares waste.Prestressing concrete pipe pile is widely used in port works, can factory process, and pile quality is high, compressive property is good, cost is low, but can only reach 1.5 meters at present because of its maximum gauge, and its tension, anti-injection, bending resistance is slightly poor and temporarily fail in offshore wind farm engineering.
Above-mentioned discussion content object be to reader introduce may to below by the various aspects of technology relevant for the various aspects of the present utility model be described and/or advocate, believe that this discussion content contributes to for reader with background's information, to be conducive to understanding various aspects of the present utility model better, therefore, should be appreciated that it is discuss to read these with this angle, instead of admit prior art.
Utility model content
The purpose of this utility model is avoid deficiency of the prior art and provide a kind of composite pile foundation for offshore wind farm, and its rolled steel dosage is few, low to construction equipment requirement, convenient construction, overall economics are good.
The purpose of this utility model is achieved through the following technical solutions:
A kind of composite pile foundation for offshore wind farm is provided, comprise at least three composite piles, spider, every root composite pile is divided into epimere stake and hypomere stake, described epimere stake is the prestressing concrete pipe pile of steel pipe pile or at least part of outside steel pipe, hypomere stake is prestressing concrete pipe pile, described spider is provided with the steel pin cylinder corresponding with epimere stake quantity, the stake of every root epimere is passed a steel pin cylinder and is fixed with steel pin cylinder.
Wherein, annular space is formed between described steel pin cylinder and epimere stake, perfusion mortar in annular space.
Wherein, described epimere stake is steel pipe pile, steel pipe pile outer wall is provided with the shear connector with mortar mix.
Wherein, described epimere stake is steel pipe pile, and the lower end of described epimere stake is fixedly connected with by flange with the upper end of hypomere stake.
Wherein, described epimere stake is the prestressing concrete pipe pile of full section outside steel pipe, and the prestressing concrete pipe pile in described epimere stake and hypomere stake are structure as a whole.
Wherein, the outside steel pipe of described epimere stake is provided with the shear connector with mortar mix.
Wherein, described every root composite pile is made up of sub-stakes more than two in groups piece.
Wherein, the inner chamber of described prestressing concrete pipe pile is all or part of is provided with pre-buried interior edge steel pipe.
The beneficial effects of the utility model: by replacing partial prestressing concrete pile tube with steel pipe pile, or steel pipe is wrapped up outside partial prestressing concrete pile tube, strengthen local tension and the anti-bending strength of pile foundation, prestressing concrete pipe pile compressive property can be given full play to good, overcome the shortcoming that its tension, flexing resistance are poor simultaneously, thus improve the range of application of prestressing concrete pipe pile.Use this composite pile foundation, when epimere stake adopts steel pipe pile, hypomere stake employing prestressing concrete pipe pile scheme, can give full play to steel pipe pile and prestressing concrete pipe pile advantage separately, saving steel, reduces investment outlay; When epimere stake adopts the composite construction of the prestressing concrete pipe pile of band steel pipe outer wrapping, tension and the anti-bending strength of local prestressing concrete pipe pile can be increased, more can save steel.The utility model is compared with common large diameter steel pipe pile, more reasonable structure, the alternative of pile foundation is larger, steel pipe pile and prestressing concrete pipe pile advantage separately can be given full play to, saving steel, the construction equipment requirement of pile foundation is low simultaneously, alternative is wider, and the difficulty of offshore construction is little, overall economics is better, is with a wide range of applications in ocean engineering.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation of the composite pile foundation for offshore wind farm.
Fig. 2 is A-A schematic cross-section in Fig. 1.
Fig. 3 is B-B schematic cross-section in Fig. 1.
Fig. 4 is the structural representation of the composite pile of the two stake of employing one group.
The C-C schematic cross-section that Fig. 5 is epimere stake when being steel pipe pile in Fig. 4.
Fig. 6 is D-D schematic cross-section in Fig. 4.
The structural representation of Fig. 7 to be epimere stake be steel pipe pile.
Fig. 8 is epimere stake when being steel pipe pile and the syndeton schematic diagram of hypomere stake.
The C-C schematic cross-section that Fig. 9 is epimere stake when being the prestressing concrete pipe pile of outside steel pipe in Fig. 4.
The structural representation of Figure 10 to be epimere stake be prestressing concrete pipe pile of outside steel pipe.
Figure 11 is epimere stake when being the prestressing concrete pipe pile of outside steel pipe and the syndeton schematic diagram of hypomere stake.
Detailed description of the invention
The technical solution of the utility model is understood better in order to make those skilled in the art, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, it should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Core of the present utility model is to provide a kind of composite pile foundation for offshore wind farm, and it is rational in infrastructure, selection is wider, construction equipment requirement is low, overall economics good.
As shown in Figure 1 to 11, for the composite pile foundation of offshore wind farm, composite pile 10 quantity comprised at least three composite piles 10, spider 19, figure is four, and spider 19 upper strata is used for fixing blower fan tower barrel.Every root composite pile 10 is epimere stake 11 more than the following certain limit in stake top to mud face, and under it is hypomere stake 12.Described spider 19 is provided with the steel pin cylinder 20 corresponding with epimere stake 11 quantity, every root epimere stake 11 is passed a steel pin cylinder 20 and fixes with steel pin cylinder 20.
As preferred embodiment, form annular space between described steel pin cylinder 20 and epimere stake 11, pour into high-strength mortar 18 in annular space, steel pin cylinder 20 is fixedly connected with by mortar 18 with between epimere stake 11.Carried out the connection of composite pile 10 and spider 19 by mortar 18, easy construction, is connected firmly.
As preferred embodiment, the inner chamber of described prestressing concrete pipe pile is all or part of is provided with pre-buried interior edge steel pipe, like this, can increase tension and the anti-bending strength of prestressing concrete pipe pile.
As preferred embodiment, described every root composite pile 10 is made up of sub-stakes more than two in groups piece, and the sub-stake of more than two small diameters forms a composite pile 10, and its processing and manufacturing is comparatively simple, escapable cost.
As a kind of embodiment, as shown in Fig. 4 to 8, described epimere stake 11 is steel pipe pile, and hypomere stake 12 is prestressing concrete pipe pile.Described epimere stake 11 outer wall is provided with the shear connector 17 coordinated with mortar 18, the connection of composite pile 10, mortar 18, steel pin cylinder 20 can be made so more firm.The lower end of described epimere stake 11 is fixedly connected with by flange 21 with the upper end of hypomere stake 12.Epimere stake 11 is connected by flange 21 with hypomere stake 12, and it is easy to assembly, stable connection.The epimere stake of the present embodiment adopts steel pipe pile, hypomere stake adopts prestressing concrete pipe pile, and can give full play to steel pipe pile and prestressing concrete pipe pile advantage separately, saving steel, reduces investment outlay.
As another kind of embodiment, as shown in Fig. 4,9 to 11, described epimere stake 11 is the prestressing concrete pipe pile 11b of outside steel pipe 11a, and prestressing concrete pipe pile and hypomere stake are structure as a whole.Prestressing concrete pipe pile 11b is preferably full section outside steel pipe 11a, can certainly segment section outside steel pipe 11a, the position outside steel pipe 11a be such as only connected with steel pin cylinder 20, can increase like this and the tension of steel pin cylinder 20 connecting portion and anti-bending strength.Make time, epimere stake 11 and hypomere stake 12 prestressing concrete pipe pile formed by integrally casting shaping, while building epimere cover on outside steel pipe.Similar to a upper embodiment, outside steel pipe 11a outer wall is provided with the shear connector 17 coordinated with mortar 18, the connection of composite pile 10, mortar 18, steel pin cylinder 20 can be made so more firm.The epimere stake of the present embodiment adopts the composite construction of the prestressing concrete pipe pile of band steel pipe outer wrapping, can increase tension and the anti-bending strength of local prestressing concrete pipe pile, more can save steel.
To sum up, the utility model is compared with common large diameter steel pipe pile, more reasonable structure, the alternative of pile foundation is larger, can give full play to steel pipe pile and prestressing concrete pipe pile advantage separately, saving steel, the construction equipment requirement of pile foundation is low simultaneously, alternative is wider, the difficulty of offshore construction is little, and overall economics is better, is with a wide range of applications in ocean engineering.
In order to implement the composite pile foundation for offshore wind farm as shown in Fig. 1 to 11, embodiment still provides a kind of construction method, comprising the steps:
S1, make composite pile 10 and the spider 19 with steel pin cylinder 20 in factory process, every root composite pile 10 is epimere stake 11 more than the following certain limit in stake top to mud face, under it is hypomere stake 12, described epimere stake 11 is the prestressing concrete pipe pile of steel pipe pile or at least part of outside steel pipe, and hypomere stake 12 is prestressing concrete pipe pile;
S2, seabed to be flattened, utilize crane ship sinking spider 19, pre-anti-sinking of taking measures, and make the top layer of spider 19 exceed working water level;
S3, utilize the top layer of spider 19 as Pile Installation Platform, and utilize steel pin cylinder 20 to carry out the piling construction of composite pile 10 as location and guiding device;
S4, utilize composite pile 10 for fulcrum, the position of accurate leveling spider 19 and composite pile 10 and spider 19 temporary fixed;
S5, the annular space perfusion mortar 18 formed between steel pin cylinder 20 and composite pile 10, make composite pile 10 be fixedly connected with spider 19;
S6, at the top of spider 19, the superstructure of offshore wind power foundation is installed.
Wherein, after S3 step, quality examination can also be carried out to composite pile, if composite pile body quality examination defectiveness, carry out filling pile construction reinforcement at composite pile 10 inner chamber or remedy.
Set forth a lot of detail in description above so that fully understand the utility model, but the utility model can also adopt other to be different from other modes described here and implement, and therefore, can not be interpreted as the restriction to the utility model protection domain.
In a word; although the utility model illustrates above-mentioned preferred embodiment; but should illustrate; although those skilled in the art can carry out various change and remodeling; unless such change and remodeling deviate from scope of the present utility model, otherwise all should be included in protection domain of the present utility model.
Claims (8)
1. the composite pile foundation for offshore wind farm, it is characterized in that: comprise at least three composite piles (10), spider (19), every root composite pile (10) is divided into epimere stake (11) and hypomere stake (12), the prestressing concrete pipe pile that described epimere stake (11) is steel pipe pile or at least part of outside steel pipe, hypomere stake (12) is prestressing concrete pipe pile, described spider (19) is provided with the steel pin cylinder (20) corresponding with epimere stake (11) quantity, every root epimere stake (11) is through a steel pin cylinder (20) and fix with steel pin cylinder (20).
2. the composite pile foundation for offshore wind farm according to claim 1, is characterized in that: form annular space between described steel pin cylinder (20) and epimere stake (11), perfusion mortar (18) in annular space.
3. the composite pile foundation for offshore wind farm according to claim 2, is characterized in that: described epimere stake (11) is steel pipe pile, steel pipe pile outer wall is provided with the shear connector (17) coordinated with mortar (18).
4. the composite pile foundation for offshore wind farm according to claim 1, is characterized in that: described epimere stake (11) is steel pipe pile, and the lower end of described epimere stake (11) is fixedly connected with by flange (21) with the upper end of hypomere stake (12).
5. the composite pile foundation for offshore wind farm according to claim 2, it is characterized in that: the prestressing concrete pipe pile that described epimere stake (11) is full section outside steel pipe, the prestressing concrete pipe pile in described epimere stake (11) and hypomere stake (12) are structure as a whole.
6. the composite pile foundation for offshore wind farm according to claim 5, is characterized in that: the outside steel pipe of described epimere stake (11) is provided with the shear connector (17) coordinated with mortar (18).
7. the composite pile foundation for offshore wind farm according to any one of claim 1 to 6, is characterized in that: described every root composite pile (10) is made up of sub-stakes more than two in groups piece.
8. the composite pile foundation for offshore wind farm according to any one of claim 1 to 6, is characterized in that: the inner chamber of described prestressing concrete pipe pile is all or part of is provided with pre-buried interior edge steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509758.3U CN204040054U (en) | 2014-09-05 | 2014-09-05 | For the composite pile foundation of offshore wind farm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509758.3U CN204040054U (en) | 2014-09-05 | 2014-09-05 | For the composite pile foundation of offshore wind farm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204040054U true CN204040054U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420509758.3U Expired - Fee Related CN204040054U (en) | 2014-09-05 | 2014-09-05 | For the composite pile foundation of offshore wind farm |
Country Status (1)
| Country | Link |
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| CN (1) | CN204040054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179190A (en) * | 2014-09-05 | 2014-12-03 | 熊翱 | Composite pile foundation for offshore wind power and construction method thereof |
-
2014
- 2014-09-05 CN CN201420509758.3U patent/CN204040054U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179190A (en) * | 2014-09-05 | 2014-12-03 | 熊翱 | Composite pile foundation for offshore wind power and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170306 Address after: 510000 Haizhuqu District, Guangzhou, Po Po Road, No. 2102, room 268, No. Patentee after: GUANGZHOU HUASHEN ENGINEERING MANAGEMENT CO., LTD. Address before: 510300 Haizhuqu District, Guangzhou, Binjiang East Road, Tai Po Street, No. 1701, No. 7, No. Patentee before: Xiong Ao |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170905 |
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| CF01 | Termination of patent right due to non-payment of annual fee |