CN106759430A - A kind of wind-powered electricity generation whole machine construction method of three bucket foundations and concrete support structure - Google Patents

A kind of wind-powered electricity generation whole machine construction method of three bucket foundations and concrete support structure Download PDF

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Publication number
CN106759430A
CN106759430A CN201611030049.7A CN201611030049A CN106759430A CN 106759430 A CN106759430 A CN 106759430A CN 201611030049 A CN201611030049 A CN 201611030049A CN 106759430 A CN106759430 A CN 106759430A
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concrete
bucket
construction
wind
electricity generation
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CN106759430B (en
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乐丛欢
丁红岩
王旭月
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Tianjin University
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Tianjin University
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • E02D27/425Foundations for poles, masts or chimneys specially adapted for wind motors masts

Abstract

The present invention relates to offshore foundation structure field, the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations and concrete support structure is disclosed, its step is as follows:Three bucket foundations of land fabrication, by bucket foundation according to triangular arrangement, concrete connecting bottom board, concrete ballast cabin structure, vertical concrete connector, concrete column, oblique sheet type variable cross-section concrete structure, concrete are carried out successively and connects the construction of top board, and assemble tower and blower fan;The whole machine of wind-powered electricity generation is moved into water and construction point is dragged to;Sink to making bucket foundation in place with negative pressure by deflating, finally deliver ballast in concrete ballast cabin structure.The present invention can self-floating towing and sinking, whole sinking process do not need large scale equipment, construction is simple, quick, and required construction equipment is little, it is to avoid expensive Large marine site operation equipment, and construction cost is low, comprehensive cost low.

Description

A kind of wind-powered electricity generation whole machine construction method of three bucket foundations and concrete support structure
Technical field
It is to be related to specifically the present invention relates to the foundation structure field of a kind of harbour, ocean, water conservancy and science of bridge building A kind of many are combined to optimize the whole machine construction method of the wind-powered electricity generation of bucket foundation stress.
Background technology
At present, in ocean engineering field such as Oversea wind power generation engineering, foundation structure generally has pile foundation, gravity type base The forms such as plinth, jacket-type basis, negative-pressure foundation and floating platform, these foundation structures generally need large-scale equipment to be transported And installation, cause operating expenses higher, construction period is more long.For conventional infrastructure, bucket foundation is due to its cost The features such as cheap, convenient, safe and reliable construction, reusing, is widely used in ocean engineering.
But, offshore wind power generation basic structure local environment is sufficiently complex, under load is transmitted except superstructure Outside the vertical forces of construction weight such as the blower fan pylon for coming, also wind load is delivered to the horizontal force and moment of flexure of foundation structure, and Wave, ocean current, sea ice force etc..Big moment load is generally resulted in and needs bucket foundation to be relatively large in diameter, and major diameter monotubular is basic Construction restrictive condition it is more, such as its transport and installation process need large-scale equipment, cause costly when marine site is constructed.
The content of the invention
The present invention is to solve the above-mentioned problems in the prior art, there is provided a kind of three bucket foundations and concrete The whole machine construction method of wind-powered electricity generation of supporting construction, can self-floating towing and negative pressure sinking, can substantially reduce basis construction cost.
In order to solve the above-mentioned technical problem, the present invention is achieved by following technical scheme:
A kind of three bucket foundations and the whole machine construction method of wind-powered electricity generation of concrete support structure, are carried out in accordance with the following steps:
(1) three bucket foundations of land fabrication, the bucket foundation is internally provided with subdivision room, the bucket foundation top cover It is provided with the preformed hole for pipe laying joint;
(2) the prefabricated completion of the bucket foundation and after checking that air-tightness meets design requirement, by three bucket foundations A triangle is constituted according to its central point line to be arranged, and formwork, assembling reinforcement between three bucket foundations And casting concrete, carry out the construction of the concrete connecting bottom board;
With the top surface of the bucket foundation at grade, it is arranged on three for the bottom surface of the concrete connecting bottom board Between the bucket foundation and with the central point line of three bucket foundations be profile;
(3) after the concrete connecting bottom board conserves the intensity requirement for completing and reaching design, in each cartridge type base Plinth top carries out the construction of concrete ballast cabin structure using its top board as bottom surface template, and in each two concrete ballast cabin knot The construction of vertical concrete connector, three concrete ballast cabin structures and three vertical concrete are carried out between structure Connector is while formwork, assembling reinforcement and casting concrete;In institute before pouring the concrete of the concrete ballast cabin structure Pipe laying joint in the preformed hole of bucket foundation top cover is stated, the pipe joint top stretches out in the concrete ballast cabin knot Structure bottom surface, bottom stretch out in the bucket foundation top surface;
The concrete ballast cabin structure is the tubular structure of opening upwards, in each described concrete ballast cabin structure The central shaft of the connected bucket foundation of heart axle is conllinear;
The vertical concrete connector is connected between concrete ballast cabin structure described in each two, the vertical coagulation Native connector is coplanar with the central shaft of two concrete ballast cabin structures being connected;
(4) the concrete ballast cabin structure and the vertical concrete connector maintenance is completed and reaches the intensity of design It is required that after, in the concrete connecting bottom board top formwork, assembling reinforcement and casting concrete, carry out concrete column and oblique thin The construction of chip variable cross-section concrete structure;
The concrete column is located at three triangle heart positions of the bucket foundation;
The oblique sheet type variable cross-section concrete structure is connected to the concrete column and each described concrete ballast Between cabin structure, bottom extend to the concrete connecting bottom board, top extend to concrete connection top board, its cross-sectional length by It is in consecutive variations that the concrete connects top board to the concrete ballast cabin structure edge;
(5) concrete column and oblique sheet type variable cross-section concrete structure maintenance complete and reach design intensity will After asking, formwork, assembling reinforcement and casting concrete at the top of the concrete column and oblique sheet type variable cross-section concrete structure, Carry out the construction that concrete connects top board;
(6) after the maintenance of concrete connection top board is completed and reaches design strength requirement, connected in the concrete and pushed up Plate top assembles tower and blower fan, forms the whole machine of wind-powered electricity generation of three bucket foundations and concrete support structure;
(7) the whole machine of the wind-powered electricity generation of three bucket foundations and concrete support structure is moved into water using loop wheel machine or slideway In, provide buoyancy by the air of the bucket foundation hollow space or gas blow pipe is connected to the cylinder from the pipe joint Type basis hollow space injects gases at high pressure and provides buoyancy, makes the wind-powered electricity generation of three bucket foundations and concrete support structure Whole machine is swum on the water surface;
(8) the whole machine of wind-powered electricity generation of three bucket foundations and concrete support structure is dragged to specified construction ground using tugboat Point;
(9) in taking out the air of the bucket foundation hollow space or bleed off the bucket foundation by the pipe joint The gases at high pressure of empty part, make the bucket foundation gradually sink down into mud face, then connect drinking-water pipe by the pipe joint Extract the water body in the bucket foundation out, realize that negative pressure sinks to making its in place;When inclining occurs in the bucket foundation in sinking watching When tiltedly, applying normal pressure in different cabins to each subdivision room by pumping system carries out leveling;
(10) after the barrel-shaped foundation sinking is in place, to delivering ballast in the concrete ballast cabin structure, constructed Finish.
Wherein, the bucket foundation is circle, and its external diameter is 10~20m, is highly 4~6m.
Wherein, the clear distance between bucket foundation described in each two is 1~3 times of the bucket foundation external diameter.
Wherein, the concrete ballast cabin structure is circle, and its external diameter is 10~20m, is highly 4~6m.
Wherein, the bucket foundation periphery sets the steel floor that upwardly extends and inserts the concrete ballast cabin knot Structure.
Wherein, the pipe joint is evenly arranged in the concrete ballast cabin structure bottom surface, its a diameter of 5~200mm, Quantity is 10~100.
Wherein, the highly consistent and scope of the height of the vertical concrete connector and the concrete ballast cabin structure It is 4~6m, thickness is 0.5m~1.5m;The both sides up and down of the vertical concrete connector respectively with the concrete ballast cabin The upper and lower surface of structure is flushed.
Wherein, the thickness of the concrete connecting bottom board and concrete connection top board is 0.5m~2m.
Wherein, the height of the concrete column is 10~20m.
Wherein, the oblique sheet type variable cross-section concrete structure include 3~12, the concrete column with each described in The 1-4 oblique sheet type variable cross-section concrete structure is connected between concrete ballast cabin structure;The oblique sheet type The thickness of variable cross-section concrete structure is 0.5m~2m.
The beneficial effects of the invention are as follows:
The whole machine construction method of wind-powered electricity generation of three bucket foundations of the invention and concrete support structure, can self-floating towing and heavy Put, whole sinking process does not need large scale equipment, construction is simple, quick, and required construction equipment is little, it is to avoid expensive is large-scale Site operation equipment waterborne, construction cost is low, comprehensive cost low.
Brief description of the drawings
Fig. 1 is the main view of involved three bucket foundations and concrete support structure system in construction method of the invention Figure;
Fig. 2 is the vertical view of involved three bucket foundations and concrete support structure system in construction method of the invention Figure;
Fig. 3 is the whole machine of wind-powered electricity generation of involved three bucket foundations and concrete support structure in construction method of the invention Front view;
Fig. 4 is the floor map of subdivision structure.
In figure:1st, bucket foundation;2nd, concrete ballast cabin structure;3rd, vertical concrete connector;4th, concrete column;5th, tiltedly To sheet type variable cross-section concrete structure;6th, concrete connection top board;7th, concrete connecting bottom board;8th, subdivision plate.
Specific embodiment
For the content of the invention of the invention, feature and effect can be further appreciated that, following examples are hereby enumerated, and coordinate accompanying drawing Describe in detail as follows:
As shown in Figures 1 to 4, it is whole with the wind-powered electricity generation of concrete support structure present embodiment discloses a kind of three bucket foundations Machine construction method, the method is specifically carried out in accordance with the following steps:
(1) three bucket foundations of steel 1 of land fabrication, each bucket foundation 1 is identical, is top seal, bottom The open cylinder-shaped steel architecture basics in portion, external diameter is 15m, wall thickness 25mm, top cover thickness 50mm, cylinder 5m high, and it is internal by setting Subdivision plate is divided into multiple subdivision rooms.The diameter of bucket foundation 1 is usually 10~20m, and height is usually 4~6m;Material can be Armored concrete, steel, steel-concrete composite;Inside can carry out subdivision treatment, it is also possible to not carry out subdivision treatment. Subdivision room can constitute cellular, including center a regular hexagon subdivision and six identicals being uniformly arranged on around it Side subdivision, all of steel subdivision plate equal length is 0.25 times of the steel circle diameter of movement of bucket foundation 1, such as Fig. 4 institutes Show.
The top cover of bucket foundation 1 is provided with the preformed hole for pipe laying joint, and these preformed holes are on the top of bucket foundation 1 Cover and radially equably arrange, quantity is 10~100.
After the completion of prefabricated, its air-tightness is checked in the water that bucket foundation 1 is hung in land side.
(2) after the air-tightness of bucket foundation 1 meets design requirement, by three bucket foundations 1 in the horizontal plane according to wherein Heart point line can constitute an equilateral triangle and be arranged, and the distance between central point of each two bucket foundation 1 is 25m.Three The arrangement requirement of individual bucket foundation 1 is that the center of the bucket foundation of distribution triangular in shape, i.e., three 1 in the horizontal plane is located at this respectively On three summits of triangle.Clear distance between each two bucket foundation 1 is 1~3 times of the external diameter of bucket foundation 1, such energy Enough while concrete support structure optimization 1 bearing capacity of bucket foundation is given full play to, using three colonies of bucket foundation 1 Effect improves the bearing capacity of mass-type foundation structural system.
Then formwork, assembling reinforcement and casting concrete between three bucket foundations 1, carry out concrete connecting bottom board 7 Construction.Concrete connecting bottom board 7 is board-like concrete structure, is arranged between bucket foundation 1 and with three bucket foundations 1 Central point line is profile, and the bottom surface of concrete connecting bottom board 7 is in the plane where three top surfaces of bucket foundation 1.Coagulation The thickness of native connecting bottom board 7 is generally 0.5m~2m, and specific size can be adjusted according to Practical Project.
(3) after concrete connecting bottom board 7 conserves the intensity requirement for completing and reaching design, on each top of bucket foundation 1 Carry out the construction of concrete ballast cabin structure 2 as bottom surface template using its top board, and each two concrete ballast cabin structure 2 it Between carry out the construction of vertical concrete connector 3, three concrete ballast cabin structures 2 and three vertical concrete connectors 3 are same Shi Zhimo, assembling reinforcement and casting concrete.
It is noted that should be in the preformed hole of the top cover of bucket foundation 1 before the concrete of casting concrete ballast cabin structure 2 The middle pipe joint installed for transferring high voltage gas or water, the top of pipe joint stretch out in the bottom surface of concrete ballast cabin structure 2, Bottom stretches out in the top surface of bucket foundation 1, and the interior diameter of pipe joint is 5~200mm.
Concrete ballast cabin structure 2 is the cylindric concrete structure of a kind of inversion of open top, bottom lock, its external diameter It is 15m, wall thickness 35mm, bottom thickness 50mm, 5m high.The external diametrical extent of concrete ballast cabin structure 2 is 10~15m, altitude range It is 4~6m.The central shaft of the bucket foundation 1 that the central shaft of concrete ballast cabin structure 2 is connected with corresponding to it is conllinear, and coagulation Soil pressure carries the diameter of cabin structure 2 and the equal diameters of bucket foundation 1.The inside configuration of concrete ballast cabin structure 2 may also set up point Deck board, or increase trapezoidal floor on the inside of bulkhead, to increase the rigidity of concrete ballast cabin structure 2.Can also be by cartridge type Basic 1 periphery sets the annular steel floor that extends and inserts concrete ballast cabin structure 2 and solves concrete ballast cabin knot Connectivity problem between structure 2 and bucket foundation 1, this connected mode were it is possible to prevente effectively from the stress concentration of connecting node showed in the past As improving the integral rigidity of structure.
Vertical concrete connector 3 is in vertically arranged cuboid flake structure, and height is generally tied with concrete ballast cabin The highly consistent and scope of structure 2 is 0.5m~1.5m in 4~6m, thickness, and specific size can be adjusted according to Practical Project. Be connected with a vertical concrete connector 3 between each two concrete ballast cabin structure 2, the vertical concrete connector 3 with Two central shafts of concrete ballast cabin structure 2 for being connected at grade, and vertical concrete connector 3 up and down two Upper and lower surface of the side respectively with concrete ballast cabin structure 2 is flushed.
Concrete ballast cabin structure 2, the setting of vertical concrete connector 3 and concrete connecting bottom board 7 are further improved Three globalities of bucket foundation 1, are conducive to improving practice of construction quality, produce three interphase interactions of bucket foundation Population effect, can avoid three bucket foundations, 1 internal force difference excessive using the population effect between three bucket foundations, so that Reduce the overall differential settlement of foundation structure system.
(4) concrete ballast cabin structure 2 and the maintenance of vertical concrete connector 3 is completed and reaches the intensity requirement of design Afterwards, in the top formwork of concrete connecting bottom board 7, assembling reinforcement and casting concrete, carry out concrete column 4 and oblique sheet type becomes The construction of section concrete structure 5.
Concrete column 4 is cylindrical concrete soil structure, and external diameter is 5m, is highly 20m, the configurable reinforcing bar in inside.Concrete Post 4 is arranged at three triangle heart positions of bucket foundation 1, and its bottom is connected on concrete connecting bottom board 7 Surface, its external diametrical extent is 4~6m, and altitude range is 10~20m.
Three oblique sheet type variable cross-section concrete structures 5 are connected to each concrete ballast cabin structure 2 and coagulation Between earth pillar 4, and each oblique sheet type variable cross-section concrete structure 5 and the concrete ballast cabin structure 2 being connected center The central shaft of axle and concrete column 4 is at grade.Between the adjacent oblique sheet type variable cross-section concrete structure 5 of each two Angle is 120 degree.The oblique bottom of sheet type variable cross-section concrete structure 5 is connected to concrete connecting bottom board 7, its height and coagulation Earth pillar 4 is highly consistent, is highly 20m, and thickness is 0.5m~2m;The oblique top section of sheet type variable cross-section concrete structure 5 is long It is 2.5m to spend, and its cross-sectional length connects top board 6 to the edge of concrete ballast cabin structure 2 (in the inner part) in continuous change by concrete Change.
Concrete column 4 and three oblique sheet type variable cross-section concrete structures 5 combine the structure formed similar to Special-Shaped Column Stress system, can be reasonably resistant to the larger moment of flexure that top is transmitted, and pulling force and pressure are approximately converted at bucket foundation 1 Power, to play the maximum bearing capacity of bucket foundation and population effect, this structure type material-saving reduces cost, with very Good economy.
(5) concrete column 4 and oblique sheet type variable cross-section concrete structure 5 maintenance complete and reach design intensity will After asking, in concrete column 4 and the oblique top formwork of sheet type variable cross-section concrete structure 5, assembling reinforcement and casting concrete, enter Row concrete connect top board 6 construction, after the completion of as depicted in figs. 1 and 2.
Concrete connection top board 6 is circular concrete plank frame, its a diameter of 10m, and thickness is 0.5m.Concrete is connected A diameter of 8~15m of top board 6, thickness is 0.5m~2m.Concrete connection top board 6 is arranged on concrete column 4 and three oblique thin The top of chip variable cross-section concrete structure 5, for by the attachment structures such as ring flange and superstructure such as offshore fan tower barrel, sea The structures such as foreign platform are connected, and load and moment of flexure that superstructure is transmitted are passed down in concrete support structure, And then be delivered on three bucket foundations 1.
(6) after the maintenance of concrete connection top board 6 is completed and reaches design strength requirement, on concrete connection top board 6 top Tower and blower fan are assembled, the whole machine of wind-powered electricity generation of three bucket foundations and concrete support structure is formed, as shown in Figure 3.
(7) led in the whole machine immigration water of the wind-powered electricity generation of three bucket foundations and concrete support structure using loop wheel machine or slideway The air of the hollow space of bucket foundation 1 is crossed, or injects high from pipe joint connection gas blow pipe to the hollow space of bucket foundation 1 Calm the anger body and buoyancy is provided, three bucket foundations and the whole machine of wind-powered electricity generation of concrete support structure is swum on the water surface.
(8) the whole machine of wind-powered electricity generation of three bucket foundations and concrete support structure is dragged to specified job location using tugboat, Add interim cover plate on each concrete ballast cabin structure 2 before towage, prevent water to be splashed into and influence towage stability.
(9) air of the hollow space of bucket foundation 1 is taken out by pipe joint or bleeds off the hollow space of bucket foundation 1 Gases at high pressure, that is, sinking watching of deflating makes bucket foundation 1 gradually sink down into mud face at leisure, is then connected by pipe joint Drinking-water pipe extracts the water body in bucket foundation 1 out, realizes producing negative pressure i.e. negative pressure sinking watching in cylinder by the extraction of water body, makes it Sink in place.
In sinking watching when inclining occurs in bucket foundation 1, each subdivision room is applied in different cabins just by pumping system Pressure carries out leveling.
(10) after bucket foundation 1 sinks in place, to delivering ballast in concrete ballast cabin structure 2, construction is finished.
Ballast can be fine sand, rubble or cement mortar.
Although being described to the preferred embodiments of the present invention above in conjunction with accompanying drawing, the invention is not limited in upper The specific embodiment stated, above-mentioned specific embodiment is only schematical, be not it is restricted, this area it is common Technical staff in the case of present inventive concept and scope of the claimed protection is not departed from, may be used also under enlightenment of the invention To make the specific conversion of many forms, these are belonged within protection scope of the present invention.

Claims (10)

1. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations and concrete support structure, it is characterised in that according to as follows Step is carried out:
(1) three bucket foundations of land fabrication, the bucket foundation is internally provided with subdivision room, and the bucket foundation top cover is set There is the preformed hole for pipe laying joint;
(2) the prefabricated completion of the bucket foundation and after checking that air-tightness meets design requirement, by three bucket foundations according to Its central point line constitutes a triangle and is arranged, and formwork, assembling reinforcement and is poured between three bucket foundations Concrete is built, the construction of the concrete connecting bottom board is carried out;
With the top surface of the bucket foundation at grade, it is arranged on described in three for the bottom surface of the concrete connecting bottom board Between bucket foundation and with the central point line of three bucket foundations be profile;
(3) after the concrete connecting bottom board conserves the intensity requirement for completing and reaching design, on each described bucket foundation Portion carries out the construction of concrete ballast cabin structure using its top board as bottom surface template, and each two concrete ballast cabin structure it Between carry out the construction of vertical concrete connector, three concrete ballast cabin structures and three vertical concrete connections Part is while formwork, assembling reinforcement and casting concrete;In the cylinder before pouring the concrete of the concrete ballast cabin structure Pipe laying joint in the preformed hole of type basis top cover, the pipe joint top stretches out in the concrete ballast cabin structure bottom Face, bottom stretch out in the bucket foundation top surface;
The concrete ballast cabin structure is the tubular structure of opening upwards, the central shaft of each concrete ballast cabin structure The central shaft of the connected bucket foundation is conllinear;
The vertical concrete connector is connected between concrete ballast cabin structure described in each two, and the vertical concrete connects Fitting is coplanar with the central shaft of two concrete ballast cabin structures being connected;
(4) the concrete ballast cabin structure and the vertical concrete connector maintenance is completed and reaches the intensity requirement of design Afterwards, in the concrete connecting bottom board top formwork, assembling reinforcement and casting concrete, concrete column and oblique sheet type are carried out The construction of variable cross-section concrete structure;
The concrete column is located at three triangle heart positions of the bucket foundation;
The oblique sheet type variable cross-section concrete structure is connected to the concrete column with each concrete ballast cabin knot Between structure, bottom extends to the concrete connecting bottom board, top and extends to concrete connection top board, and its cross-sectional length is by described It is in consecutive variations that concrete connects top board to the concrete ballast cabin structure edge;
(5) concrete column and the maintenance of oblique sheet type variable cross-section concrete structure is completed and reaches the intensity requirement of design Afterwards, formwork, assembling reinforcement and casting concrete at the top of the concrete column and oblique sheet type variable cross-section concrete structure, enter Row concrete connects the construction of top board;
(6) after the maintenance of concrete connection top board is completed and reaches design strength requirement, on concrete connection top board Portion assembles tower and blower fan, forms the whole machine of wind-powered electricity generation of three bucket foundations and concrete support structure;
(7) led in the whole machine immigration water of the wind-powered electricity generation of three bucket foundations and concrete support structure using loop wheel machine or slideway The air for crossing the bucket foundation hollow space provides buoyancy or connects gas blow pipe to the cartridge type base from the pipe joint Plinth hollow space injects gases at high pressure and provides buoyancy, makes the whole machine of wind-powered electricity generation of three bucket foundations and concrete support structure Swim on the water surface;
(8) the whole machine of wind-powered electricity generation of three bucket foundations and concrete support structure is dragged to specified job location using tugboat;
(9) air of the bucket foundation hollow space is taken out by the pipe joint or bleeds off the bucket foundation hollow bulb The gases at high pressure for dividing, make the bucket foundation gradually sink down into mud face, and then connecting drinking-water pipe by the pipe joint extracts out Water body in the bucket foundation, realizes that negative pressure sinks to making its in place;In sinking watching when inclining occurs in the bucket foundation, Applying normal pressure in different cabins to each subdivision room by pumping system carries out leveling;
(10) after the barrel-shaped foundation sinking is in place, to delivering ballast in the concrete ballast cabin structure, construction is finished.
2. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the bucket foundation is circle, its external diameter is 10~20m, is highly 4~6m.
3. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the clear distance between bucket foundation described in each two is 1~3 times of the bucket foundation external diameter.
4. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the concrete ballast cabin structure is circle, its external diameter is 10~20m, is highly 4~6m.
5. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the bucket foundation periphery sets the steel floor that upwardly extends and inserts the concrete ballast cabin structure.
6. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the pipe joint is evenly arranged in the concrete ballast cabin structure bottom surface, its a diameter of 5~200mm, number Measure is 10~100.
7. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the height of the vertical concrete connector is with the highly consistent and scope of the concrete ballast cabin structure 4~6m, thickness is 0.5m~1.5m;Tied with the concrete ballast cabin respectively on the both sides up and down of the vertical concrete connector The upper and lower surface of structure is flushed.
8. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the thickness of the concrete connecting bottom board and concrete connection top board is 0.5m~2m.
9. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the height of the concrete column is 10~20m.
10. the whole machine construction method of wind-powered electricity generation of a kind of three bucket foundations according to claim 1 and concrete support structure, Characterized in that, the oblique sheet type variable cross-section concrete structure includes 3~12, the concrete column is described mixed with each Solidifying soil pressure is connected with the 1-4 oblique sheet type variable cross-section concrete structure between carrying cabin structure;The oblique sheet type becomes The thickness of section concrete structure is 0.5m~2m.
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