CN204059342U - Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer - Google Patents

Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer Download PDF

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Publication number
CN204059342U
CN204059342U CN201420456564.1U CN201420456564U CN204059342U CN 204059342 U CN204059342 U CN 204059342U CN 201420456564 U CN201420456564 U CN 201420456564U CN 204059342 U CN204059342 U CN 204059342U
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China
Prior art keywords
pile foundation
pile
steel pipe
electric field
wind electric
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Withdrawn - After Issue
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CN201420456564.1U
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Chinese (zh)
Inventor
林毅峰
乐治济
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Shanghai Investigation Design and Research Institute Co Ltd SIDRI
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Abstract

The utility model provides a kind of marine wind electric field fan single-pile foundation being applicable to deep soft layer, it comprises the steel pipe pile vertically inserted in sea bed, the upper end of steel pipe pile is connected with the lower end of changeover portion, the upper end of changeover portion is connected with blower fan tower barrel, steel pipe pile is fixed with pile foundation local wide section, pile foundation local wide section is positioned at below sea bed face.This marine wind electric field fan single-pile foundation, by increasing pile foundation local wide section at steel pipe pile near the position in sea bed face, local increases the diameter of the single-pile foundation near sea bed face place, solve displacement and the contradiction limited of constructing well, expand the scope of application of single-pile foundation, for using single-pile foundation to provide possibility in deep soft layer area.

Description

Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer
Technical field
The utility model relates to a kind of marine wind electric field fan single-pile foundation, is applicable to deep soft layer.
Background technology
Nowadays the energy crisis in the whole world is more and more serious, especially as coal and the oil of main energy sources, and not only resource-constrained, non-renewable, but also severe contamination can be caused to environment.Greenhouse effect, global warming has in recent years become the environmental crisis attracted attention in the whole world, and therefore, clean green energy resource must become future trend, and wind energy is exactly one of them.China is vast in territory, seashore line length, and offshore wind energy resource is very abundant.Marine wind electric field have wind speed large, effectively generating dutation long, do not take the advantages such as land, distance load center be near, having well can DEVELOPMENT PROSPECT.At present, offshore wind farm construction is just in the ascendant in the world, and domestic offshore wind farm construction also formally starts to walk, and is badly in need of catching up with and surpass the international high standards.
The structural shape of offshore wind plant wind turbine foundation can be divided into gravity type foundation, single-pile foundation, multicolumn basis, suction type foundation etc.The structure model selection of blower foundation, need compare from foundation structure feature, applicable natural conditions, offshore construction technique and experiences and economy aspect.
Single-pile foundation and single steel pipe pile foundation, its design feature is convenient and quick construction, good economy performance.Single-pile foundation is made up of a steel pipe pile, and steel pipe pile is arranged on the place of 30 ~ 60m under sea bed, and its length of embedment is determined by depth condition and geological conditions.Wind tower effectively extends under water and in sea bed by single-pile foundation.Single-pile foundation is applied widely abroad because of low, the easy construction of cost, reaches more than 70% in European single-pile foundation accounting.The steel pipe pile diameter of Europe single-pile foundation is usually between 4 ~ 6m.But domestic single pile application receives larger restriction, mainly facilitates the restriction of factor by two.One is sinking apparatus, and two is that domestic sea bed mostly is soft layer (Europe uses stratum, single pile more regions mostly to be the good sand of character), and single-pile foundation displacement is considerably beyond permissible value.At present along with domestic Duo Jia unit buys large-scale pile hammer, previous restraining factors are resolved gradually.A rear factor becomes the single factor of restriction single pile application.Ways of addressing this issue has the single pile diameter of use larger diameter and carries out basement process.But by the restriction of construction ability and expense, single pile diameter is generally no more than 6.5m, and carry out that basement process is costly and construction quality is wayward.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of marine wind electric field fan single-pile foundation be applicable on deep soft layer, by expanding the Pile Diameter (can easily more than 6.5m) horizontal movement being played to the topsoil of control action, improve the horizontal bearing performance of single-pile foundation, greatly reduce single pile horizontal movement value, diameter or thickness is increased relative to total length, and adopt the method for basement process, be unlikely to increase too many expense, the deep soft layer area extensively existed at China coast is made to use single-pile foundation to become possibility.
For achieving the above object and other relevant objects, the utility model provides a kind of marine wind electric field fan single-pile foundation, it comprises the steel pipe pile vertically inserted in sea bed, the upper end of steel pipe pile is connected with the lower end of changeover portion, the upper end of changeover portion is connected with blower fan tower barrel, steel pipe pile is fixed with pile foundation local wide section, pile foundation local wide section is positioned at below sea bed face.
Preferably, pile foundation local wide section is cylindrical shape hollow-core construction, the axis of pile foundation local wide section and the dead in line of steel pipe pile.
Preferably, pile foundation local wide section is connected by multiple connector with between steel pipe pile.
Further preferably, connector is steel plate or shaped steel, and connector is placed along the radial direction of steel pipe pile.
Further preferably, connector is uniformly distributed along the circumference of steel pipe pile.
As mentioned above, the utility model is applicable to the marine wind electric field fan single-pile foundation of deep soft layer, has following beneficial effect:
This marine wind electric field fan single-pile foundation, by increasing pile foundation local wide section at steel pipe pile near the position in sea bed face, local increases the diameter of the single-pile foundation near sea bed face place, considerably increase the horizontal bearing capacity of deep soft layer area single pile and reduce pile foundation level displacement, solve the restraining factors that Deep Thick Soft Ground Area uses single-pile foundation well, for the Deep Thick Soft Ground Area extensively existed in China adopts, this structural shape of single-pile foundation is simple, the blower foundation pattern of good economy performance provides possibility, has significant economic benefit.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of the utility model marine wind electric field fan single-pile foundation.
Fig. 2 is shown as the A-A of the marine wind electric field fan single-pile foundation shown in Fig. 1 to sectional view.
Element numbers explanation
1 steel pipe pile
2 grouting linkage sections
3 changeover portions
4 pile foundation local wide sections
5 connectors
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model is described below, person skilled in the art scholar the content disclosed by this manual can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 2.Notice, structure, ratio, size etc. that this manual institute accompanying drawings illustrates, content all only in order to coordinate manual to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this manual as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1, the utility model provides a kind of marine wind electric field fan single-pile foundation being applicable to deep soft layer, it comprises the steel pipe pile 1 vertically inserted in sea bed, the upper end of steel pipe pile 1 is connected with the lower end of changeover portion 3, the upper end of changeover portion 3 is connected with blower fan tower barrel, steel pipe pile 1 is fixed with pile foundation local wide section 4, pile foundation local wide section 4 is positioned at below sea bed face.Wherein, changeover portion 3 is connected by linkage section 2 with steel pipe pile 1, and connected mode adopts grouting or flange directly to connect.
The utility model improves the horizontal bearing capacity of Deep Thick Soft Ground Area single-pile foundation by the mode increasing pile foundation local wide section 4, reduce displacement, construction simultaneously can also adopt the construction method of traditional single-pile foundation, thus expand the scope of application of single-pile foundation, for using single-pile foundation to provide possibility in deep soft layer area.
As shown in Figure 2, pile foundation local wide section 4 can be cylindrical shape hollow-core construction, the axis of pile foundation local wide section 4 and the dead in line of steel pipe pile 1.
As shown in Figure 2, be connected by multiple connector 5 between pile foundation local wide section 4 with steel pipe pile 1.Wherein, the preferred structure of one of connector 5 is steel plate or shaped steel, and connector 5 is placed along the radial direction of steel pipe pile 1.The quantity of connector 5 is eight, and the circumference along steel pipe pile 1 is uniformly distributed.
Above-mentioned pile foundation local wide section 4 and the syndeton of connector 5 can improve the stress condition of connector 5 to a certain extent.
Implementation process of the present utility model is as follows:
1) in factory, pile foundation local wide section 4 is connected on steel pipe pile 1 by connector 5;
2) engineering site piling, squeeze in sea bed by pile foundation local wide section 4 together with steel pipe pile 1, the top of pile foundation local wide section 4 is close to sea bed face;
3) changeover portion 3 is connected with steel pipe pile 1, in the upper end of changeover portion 3, blower fan superstructure is installed.
In sum, the utility model is applicable to the marine wind electric field fan single-pile foundation of deep soft layer, by increasing pile foundation local wide section at steel pipe pile near the position in sea bed face, local increases the diameter of the single-pile foundation near sea bed face place, solve displacement and the contradiction limited of constructing well, expand the scope of application of single-pile foundation, for using single-pile foundation to provide possibility in deep soft layer area.So the utility model effectively overcomes Deep Thick Soft Ground Area and uses the restriction of single-pile foundation and have high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.

Claims (6)

1. a marine wind electric field fan single-pile foundation, it comprises the steel pipe pile vertically inserted in sea bed, the upper end of described steel pipe pile is connected with the lower end of changeover portion, the upper end of described changeover portion is connected with blower fan tower barrel, it is characterized in that: described steel pipe pile is fixed with pile foundation local wide section, described pile foundation local wide section is positioned at below sea bed face.
2. marine wind electric field fan single-pile foundation according to claim 1, is characterized in that: described pile foundation local wide section is cylindrical shape hollow-core construction, the described axis of pile foundation local wide section and the dead in line of described steel pipe pile.
3. marine wind electric field fan single-pile foundation according to claim 1 and 2, is characterized in that: described pile foundation local wide section is connected by multiple connector with between steel pipe pile.
4. marine wind electric field fan single-pile foundation according to claim 3, is characterized in that: described connector is steel plate or shaped steel, and described connector is placed along the radial direction of described steel pipe pile.
5. marine wind electric field fan single-pile foundation according to claim 3, is characterized in that: described connector is uniformly distributed along the circumference of described steel pipe pile.
6. marine wind electric field fan single-pile foundation according to claim 1, is characterized in that: described changeover portion is connected with steel pipe pile by the linkage section that is in the milk or is directly connected by flange.
CN201420456564.1U 2014-08-13 2014-08-13 Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer Withdrawn - After Issue CN204059342U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420456564.1U CN204059342U (en) 2014-08-13 2014-08-13 Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420456564.1U CN204059342U (en) 2014-08-13 2014-08-13 Be applicable to the marine wind electric field fan single-pile foundation of deep soft layer

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818727A (en) * 2015-05-05 2015-08-05 福建永福工程顾问有限公司 Single pile and gravity combined offshore wind power foundation
CN104895102A (en) * 2015-05-12 2015-09-09 成都迅德科技有限公司 Single-pile foundation structure
CN110080272A (en) * 2019-04-25 2019-08-02 上海交通大学 Offshore wind farm single-pile foundation and offshore wind farm device suitable for greater coasting area
WO2022174572A1 (en) * 2021-02-22 2022-08-25 中国长江三峡集团有限公司 Offshore wind power single pile-friction wing composite foundation and construction method therefor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104818727A (en) * 2015-05-05 2015-08-05 福建永福工程顾问有限公司 Single pile and gravity combined offshore wind power foundation
CN104895102A (en) * 2015-05-12 2015-09-09 成都迅德科技有限公司 Single-pile foundation structure
CN110080272A (en) * 2019-04-25 2019-08-02 上海交通大学 Offshore wind farm single-pile foundation and offshore wind farm device suitable for greater coasting area
WO2022174572A1 (en) * 2021-02-22 2022-08-25 中国长江三峡集团有限公司 Offshore wind power single pile-friction wing composite foundation and construction method therefor

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Granted publication date: 20141231

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AV01 Patent right actively abandoned