CN109356189A - A kind of cylinder composite guide pipe support blower foundation and its construction method - Google Patents
A kind of cylinder composite guide pipe support blower foundation and its construction method Download PDFInfo
- Publication number
- CN109356189A CN109356189A CN201811236299.5A CN201811236299A CN109356189A CN 109356189 A CN109356189 A CN 109356189A CN 201811236299 A CN201811236299 A CN 201811236299A CN 109356189 A CN109356189 A CN 109356189A
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- suction tube
- pile
- guide pipe
- sea bed
- pipe support
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
- E02D27/425—Foundations for poles, masts or chimneys specially adapted for wind motors masts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/24—Foundations constructed by making use of diving-bells
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
- E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Foundations (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a kind of cylinder composite guide pipe support blower foundation and its construction methods.Wherein, stake cylinder composite guide pipe support blower foundation includes: sub-truss；There is the open end of insertion sea bed and the closed end of the relatively described open end, the closed end to have the suction eye and pile hole for being connected to the suction tube inner chamber at least one suction tube, each suction tube；The sub-truss is fixedly installed in the closed end of each suction tube, to be supported by least one described suction tube；At least one spud pile, each spud pile is arranged in the pile hole of a corresponding suction tube, and is pierced by by the open end of the corresponding suction tube.So, since the setting of spud pile can suitably reduce the depth of suction tube insertion sea bed, to reduce the control difficulty of negative pressure in suction tube in work progress, it is not easy to soil plug or Piping phenomenon occur, difficulty of construction is reduced, it is made more to adapt to complicated layering sea bed.
Description
Technical field
The present invention relates to a kind of offshore platform technical field, more particularly to a kind of cylinder composite guide pipe support blower foundation and
Its construction method.
Background technique
Compared with landwid electric field, marine wind electric field, which mainly has the advantages that, is not take up land resource, substantially not by ground
Shape landforms influence, and wind speed is higher, and Wind turbines single-machine capacity is bigger (3~5 megawatts), and annual utilization hours are higher.
In recent years, with the development of marine wind electric field, suction tube basis starts to be applied to marine wind electric field.Suction tube basis
It is by generating negative pressure in suction tube to be gradually embedded submarine soil layer, and then realization fixation.For homogeneous layer of sand sea bed, inhale
Power cylinder basis has the advantages that construction is simple, construction cost are low.But for complicated stratified soil sea bed, due to every layer of soil layer
Soil mass property differs greatly, such as upper layer is soft clay, and lower layer is sand, vacuum magnitude needed for suction tube passes through each layer soil body
Difference causes the vacuum cavitations difficulty of suction tube foundation construction process suction tube larger, is easy to appear soil plug or Piping phenomenon, applies
Work difficulty is big.
Summary of the invention
Based on this, it is necessary in the prior art for complicated stratified soil sea bed, traditional suction tube foundation construction
The problem of vacuum cavitations difficulty of suction tube is larger in journey, is easy to appear soil plug or Piping phenomenon, and difficulty of construction is big, provides one kind
Improve the stake cylinder composite guide pipe support blower foundation and its construction method of drawbacks described above.
Stake cylinder composite guide pipe support blower foundation, comprising:
Sub-truss；
At least one suction tube, each suction tube have the open end of insertion sea bed and the envelope of the relatively described open end
Closed end, the closed end have the suction eye and pile hole for being connected to the suction tube inner chamber；The sub-truss is fixedly installed in
The closed end of each suction tube, to be supported by least one described suction tube；
At least one spud pile, each spud pile are arranged in the pile hole of a corresponding suction tube, and
It is pierced by by the open end of the corresponding suction tube.
Above-mentioned stake cylinder composite guide pipe support blower foundation, suction tube are embedded in sea bed to be fixed on sea bed, thus fixed support
Truss.Also, each spud pile is arranged in the pile hole of a corresponding suction tube, and and is pierced by and is consolidated by the open end of the suction tube
Due to sea bed, to further strengthen the bonding strength of suction tube and sea bed, the bearing capacity of blower foundation is improved.Such as
This, since the setting of spud pile can suitably reduce the depth of suction tube insertion sea bed, to reduce suction tube in work progress
The control difficulty of interior negative pressure, it is not easy to soil plug or Piping phenomenon occur, reduce difficulty of construction, it is made more to adapt to complicated point
Layer sea bed.
In one embodiment, when the suction tube includes multiple, multiple suction tubes are along the sub-truss
Circumferentially-spaced laying.In this way, making sub-truss more steady.
In one embodiment, the spud pile includes pile body and the swelling portion for being connected to described pile body one end, institute
It states swelling portion and is arranged in the corresponding pile hole, and cooperate with the pile hole swelling.In this way, when spud pile is driven into sea bed
After designated depth, the swelling portion of spud pile enters pile hole, and cooperates with pile hole swelling, so that suction tube and spud pile be consolidated
Fixed connection, further increases the bearing capacity of the blower foundation.
In one embodiment, the swelling portion is from one end close to the pile body to one end far from the pile body
Radial dimension is gradually increased, and the swelling portion is less than or equal to the pile hole close to one end radial dimension of the pile body
Radial dimension, the swelling portion far from the pile body one end radial dimension be greater than the pile hole radial dimension.Such as
This, during hydraulic hammer piling, as spud pile gradually squeezes into sea bed, swelling portion steps into pile hole, until swelling
Portion is fixedly connected with pile hole swelling.
In one embodiment, the sub-truss includes at least one support column；
The support column and the suction tube correspond, and one end of each support column is fixedly connected on corresponding one
The closed end of the suction tube.
In one embodiment, it is connected between each support column and the closed end of the corresponding suction tube
Multiple stiffener plates, circumferentially-spaced laying of the multiple stiffener plate along the corresponding support column.In this way, increasing support
The bonding strength of truss and suction tube.
In one embodiment, each stiffener plate is extended to by the support column along the closing end surfaces described
The edge of closed end.In this way, increase the bonding strength of stiffener plate and suction tube, that is, increase sub-truss and suction tube
Bonding strength.Also, the support area of suction tube carrying sub-truss is increased, the bearing capacity of suction tube is enhanced.Meanwhile
The intensity of suction tube closed end is enhanced, the risk of closed end stress deformation in the construction process is reduced.
The construction method of stake cylinder composite guide pipe support blower foundation described in any embodiment as above, comprising steps of
By assembling in the sub-truss and at least one described suction tube integral sinking of one in sea bed, so that described
The opening end in contact sea bed of suction tube and be closed；
Close the pile hole of the suction tube；
By the suction eye to the suction tube extracardiac pumping, to form negative pressure in the suction tube, so that the suction
Power cylinder continues to sink and be embedded in sea bed；
Open the pile hole of the suction tube；
A spud pile is worn in the pile hole of the suction tube, and the spud pile is inserted into sea bed.
In one embodiment, a spud pile is worn in the pile hole of the suction tube, and makes the fixation
Stake insertion sea bed the step of include:
The spud pile is arranged in the corresponding pile hole, and the spud pile is squeezed by sea bed by hydraulic hammer,
So that the swelling portion and the pile hole swelling cooperate.
Detailed description of the invention
Fig. 1 is the stake cylinder composite guide pipe support blower foundation main view in an embodiment of the present invention；
Fig. 2 is the top view of stake cylinder composite guide pipe support blower foundation shown in FIG. 1；
Fig. 3 is the structural schematic diagram of the spud pile of stake cylinder composite guide pipe support blower foundation shown in FIG. 1；
Fig. 4 is the construction method flow chart of the stake cylinder composite guide pipe support blower foundation in an embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Fig. 1 shows the main view of the stake cylinder composite guide pipe support blower foundation in one embodiment of the invention.Fig. 2 shows figures
The top view of stake cylinder composite guide pipe support blower foundation shown in 1.
As shown in Figures 1 and 2, the stake cylinder composite guide pipe support blower foundation in one embodiment of the invention, including sub-truss
10, at least one suction tube 20 and at least one spud pile 30.
Sub-truss 10 is for carrying function device, such as wind power equipment.Each suction tube 20 has insertion sea bed 100
The closed end 21 of open end 22 and the opposite open end 22.Closed end 21 have connection 20 inner cavity of suction tube suction eye 23 (see
Fig. 2) and pile hole 24 (see Fig. 2).Sub-truss 10 is fixedly installed in the closed end 21 of each suction tube 20, by each suction tube
20 supports.Each spud pile 30 is arranged in the pile hole 24 of a corresponding suction tube 20, and by the opening of corresponding suction tube 20
End 22 is pierced by.
Above-mentioned stake cylinder composite guide pipe support blower foundation, suction tube 20 are embedded in sea bed 100 to be fixed on sea bed 100, thus
Fixed sub-truss 10.Also, each spud pile 30 is arranged in the pile hole of a corresponding suction tube 20, and by the suction tube 20
Open end be pierced by and be fixed on sea bed 100, to further strengthen the bonding strength of suction tube 20 Yu sea bed 100, promoted
The bearing capacity of blower foundation.In this way, since the setting of spud pile 30 can suitably reduce the depth that suction tube 20 is embedded in sea bed 100
Degree, to reduce the control difficulty of negative pressure in suction tube 20 in work progress, it is not easy to soil plug or Piping phenomenon, drop occur
Low difficulty of construction makes it more adapt to complicated layering sea bed 100.
It is understood that the depth that suction tube 20 is embedded in sea bed 100 reduces, so that in the construction process, suction tube 20
The pressure of receiving reduces, to effectively reduce the risk of 20 stress deformation of suction tube.
It will also be appreciated that for connecting water plug, the water in suction tube 20 is extracted out for suction eye 23, so that inhaling
Negative pressure is formed in power cylinder 20.Also, the air in suction tube 20 can be excluded by the suction eye 23.
It should be noted that being embedded in 100 difficulty of construction of sea bed compared to suction tube 20 since spud pile 30 is inserted into sea bed 100
It is smaller, it is easy to accomplish.Therefore, under the premise of meeting stake cylinder composite guide pipe support blower foundation bearing capacity, can suitably increase solid
The depth that sea bed 100 is inserted into stake 30 is determined, so as to accordingly suitably reduce the depth that suction tube 20 is embedded in sea bed 100, so that should
Stake cylinder composite guide pipe support blower foundation more adapts to complicated layering sea bed 100.
It should also be noted that, the closed end 21 of each suction tube 20 can have multiple pile holes 24, each pile hole 24
It is equipped with a spud pile.In this way, the bearing capacity of blower foundation is further enhanced, it is embedding so as to further decrease suction tube 20
Enter the depth of sea bed, to reduce the control difficulty of negative pressure in suction tube 20 in work progress, it is not easy to occur soil plug or
Piping phenomenon reduces difficulty of construction, it is made more to adapt to complicated layering sea bed 100.
It should also be noted that, stake cylinder composite guide pipe support blower foundation of the invention can be used for carrying wind power equipment and form sea
Upper fan, but be not limited only to be applied to offshore wind turbine, it may also be used for other aspects, such as offshore anemometer tower etc..
In the embodiment of the present invention, this cylinder composite guide pipe support blower foundation further includes the closed end for being set to suction tube 20
21 sealing cover (not shown), which, which can be used for covering, closes pile hole 24.When needs in suction tube 20 bear by intracavitary formed
When pressure, sealing cover is covered on pile hole 24, to seal the pile hole 24, forms negative pressure convenient for the inner cavity of suction tube 20.When need
When being inserted into spud pile 30, sealing cover opens the pile hole 24.It should be noted that the sealing cover can be with the closing of suction tube 20
End 21 is connected by way of lock, can also be connected by way of others in the prior art, as long as can be realized sealing cover
It can cover and close pile hole 24 and opening pile hole 24.
In the embodiment of the present invention, when suction tube 20 includes multiple, circumferential direction of multiple suction tubes 20 along sub-truss 10
It lays at interval.In this way, making sub-truss 10 more steady.Optionally, suction tube 20 includes 2 to 6.Preferably, suction tube
20 include 4.
Specific in embodiment, multiple suction tubes 20 are laid at equal intervals along the circumferential direction of sub-truss 10.In this way, further mentioning
The stability of sub-truss 10 is risen.
Fig. 3 shows the structural schematic diagram of the spud pile of stake cylinder composite guide pipe support blower foundation shown in FIG. 1.
Please also refer to Fig. 3, in the embodiment of the present invention, spud pile 30 includes pile body 32 and is connected to pile body 32 1
The swelling portion 34 at end, swelling portion 34 is arranged in corresponding pile hole 24, and cooperates with 24 swelling of pile hole.In this way, when fixing
After stake 30 is driven into 100 designated depth of sea bed, the swelling portion 34 of spud pile 30 enters pile hole 24, and matches with 24 swelling of pile hole
It closes, so that suction tube 20 is fixedly connected with spud pile 30, further increases holding for this cylinder composite guide pipe support blower foundation
Loading capability.
In some embodiments, swelling portion 34 is from one end close to pile body 32 to the radial ruler of one end far from pile body 32
It is very little to be gradually increased.Swelling portion 34 is less than or equal to the radial ruler of the pile hole 24 close to the radial dimension of 32 one end of pile body
It is very little.Swelling portion 34 is greater than the radial dimension of pile hole 24 far from the radial dimension of 32 one end of pile body.In this way, driving piles in hydraulic hammer
In the process, as spud pile 30 gradually squeezes into sea bed 100, swelling portion 34 steps into pile hole 24, until swelling portion 34 with
24 swelling of pile hole and be fixedly connected.
Specific in embodiment, swelling portion 34 is tapered.
In some embodiments, the radial dimension of pile body 32 is less than the radial dimension of the pile hole 24.Specifically, stake sheet
Body 32 is pipe fitting.Optionally, pile body 32 is steel pipe.
Specific in embodiment, swelling portion 34 is equal to the radial direction of pile body 32 close to the radial dimension of one end of pile body 32
Size.
Specific in embodiment, swelling portion 34 smoothly transits close to one end of pile body 32 with pile body 32.In this way, preventing
During hydraulic hammer piling, the swelling portion 34 of spud pile 30 offsets with 21 surface of closed end on 24 periphery of pile hole, to lead
Swelling portion 34 is caused to cannot be introduced into pile hole 24.
In some embodiments, spud pile 30 further includes being connected to impact portion 36 of the swelling portion 34 far from 32 one end of pile body,
For bearing the impact force of hydraulic hammer.Specifically, the radial dimension of impact portion 36 is greater than or equal to swelling portion 34 far from pile body
The radial dimension of 32 one end.
Specific in embodiment, spud pile 30 is integrally formed, to guarantee the intensity of spud pile 30.
In the embodiment of the present invention, sub-truss 10 includes at least one support column 11.Support column 11 and suction tube 20 1
One is corresponding, and one end of each support column 11 is fixedly connected on the closed end 21 of a corresponding suction tube 20.
In some embodiments, when support column 11 includes more, connecting rod 12 is connected between adjacent two support column 11.Such as
This, realizes more support columns 11 and is fixedly connected.
In some embodiments, multiple stiffener plates are connected between support column 11 and the closed end 21 of corresponding suction tube 20
40, circumferentially-spaced laying of multiple stiffener plates 40 along corresponding support column 11.In this way, increasing sub-truss 10 and suction tube
20 bonding strength.Preferably, each support column 11 is correspondingly arranged 12 stiffener plates 40.
Specific in embodiment, each stiffener plate 40 extends to the envelope along corresponding 21 surface of closed end by support column 11
The edge of closed end 21.In this way, increasing the bonding strength of stiffener plate 40 Yu suction tube 20, that is, increase sub-truss 10 and inhaling
The bonding strength of power cylinder 20.Also, the support area that suction tube 20 carries sub-truss 10 is increased, suction tube 20 is enhanced
Bearing capacity.Meanwhile the intensity of 20 closed end 21 of suction tube is enhanced, reduce 21 stress deformation of closed end in the construction process
Risk.
In some embodiments, sub-truss 10 further includes being fixedly installed in sub-truss 10 by ship part 13 by ship part 13
Side contacts with ship when stopping for ship and plays the role of buffering ship impact force.It is understood that having by ship part 13
Elasticity.
In some embodiments, sub-truss 10 further includes ladder 14, and ladder 14, which is set to sub-truss 10, to be had by ship part
13 side, and the one end of sub-truss 10 far from suction tube 20 is extended to by ship part 13 by this.In this way, facilitate construction, installation,
The upper and lower sub-trusses 10 of personnel such as maintenance.
In some embodiments, support column 11 and connecting rod 12 are pipe fitting, such as steel pipe.In this way, guaranteeing support column 11
And connecting rod 12 alleviates the weight of sub-truss 10 while have some strength.
In some embodiments, sub-truss 10 has operating platform 15 far from one end end face of suction tube 20, for carrying
Corresponding function device, such as wind power equipment.
Specific in embodiment, operating platform 15 has the mounting flange (not shown) for installation function equipment.In this way,
Facilitate the installation and removal of function device.
In the embodiment of the present invention, suction tube 20 is completely embedded into sea bed 100.Sub-truss 10 by the suction tube 20 closing
Sea level is stretched out at end 21.Further, it is located on sea level by ship part 13.
Please also refer to shown in Fig. 4, for a better understanding of the technical solution of the present invention, one embodiment of the invention also mentions
For a kind of construction method of stake cylinder composite guide pipe support blower foundation described in any embodiment as above, step is specifically included:
S100: by assembling in the sub-truss 10 and 20 integral sinking of each suction tube of one in sea bed 100, so that suction
The open end 22 of cylinder 20 contacts sea bed 100 and is closed；
Specifically, the open end 22 of suction tube 20 is installed on each suction tube 20 towards sea bed 100, the support of sub-truss 10
Closed end 21.Sub-truss 10 and each suction tube 20 sink down into sea bed 100 entirely through gravity.At this point, each suction tube
20 open end 22 contacts with sea bed 100 and is closed.
It is understood that sub-truss 10 can manufacture in land with each suction tube 20 and complete to assemble.Then, lead to
It crosses towboat and is transported to specified sea area.
S200: the pile hole 24 of suction tube 20 is closed；
It should be noted that step S200 can be executed after step sloo, can also be executed before step S100.
S300: by suction eye 23 to 20 extracardiac pumping of suction tube, to form negative pressure in suction tube 20, so that suction tube 20
Continue to sink under the action of the negative pressure, to be embedded in sea bed 100；
Specifically, each suction tube 20 is synchronous passes through respective suction eye 23 to extracardiac pumping, so that each suction tube 20 is same
Step is sunk, to be embedded in sea bed 100.
S400: the pile hole 24 of suction tube 20 is opened；
S500: a spud pile 30 is worn in the pile hole 24 of suction tube 20, and spud pile 30 is inserted into sea bed 100；
Specifically, spud pile 30 is arranged in corresponding pile hole 24 first, then utilizes hydraulic hammer by spud pile 30
Sea bed 100 is squeezed into, so that swelling portion 34 and 24 swelling of pile hole cooperate, to keep spud pile 30 fixed with corresponding suction tube 20
Connection.
Based on above-mentioned stake cylinder composite guide pipe support blower foundation, a kind of offshore wind turbine is also provided in the embodiment of the present invention, is wrapped
It includes stake cylinder composite guide pipe support blower foundation described in any embodiment as above and is fixedly installed in sub-truss 10 far from suction
The wind power equipment of 20 one end of cylinder.The wind power equipment is for converting wind energy into electric energy and exporting.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. cylinder composite guide pipe support blower foundation characterized by comprising
Sub-truss；
At least one suction tube, each suction tube have the closing of the open end and the relatively described open end of insertion sea bed
End, the closed end have the suction eye and pile hole for being connected to the suction tube inner chamber；The sub-truss is fixedly installed in often
The closed end of one suction tube, to be supported by least one described suction tube；
At least one spud pile, each spud pile are arranged in the pile hole of a corresponding suction tube, and by right
The open end for the suction tube answered is pierced by.
2. stake cylinder composite guide pipe support blower foundation according to claim 1, which is characterized in that when the suction tube includes more
When a, circumferentially-spaced laying of multiple suction tubes along the sub-truss.
3. stake cylinder composite guide pipe support blower foundation according to claim 1, which is characterized in that the spud pile includes stake sheet
Body and the swelling portion for being connected to described pile body one end, the swelling portion is arranged in the corresponding pile hole, and beats with described
Stake holes swelling cooperation.
4. stake cylinder composite guide pipe support blower foundation according to claim 3, which is characterized in that the swelling portion is by close to institute
The one end for stating pile body is gradually increased to one end radial dimension far from the pile body, and the swelling portion is close to the stake sheet
One end radial dimension of body is less than or equal to the radial dimension of the pile hole, the described one end of swelling portion far from the pile body
Radial dimension is greater than the radial dimension of the pile hole.
5. stake cylinder composite guide pipe support blower foundation according to claim 1, which is characterized in that the sub-truss includes extremely
A few support column；
The support column and the suction tube correspond, and one end of each support column is fixedly connected on described in corresponding one
The closed end of suction tube.
6. stake cylinder composite guide pipe support blower foundation according to claim 5, which is characterized in that the support column with it is corresponding
Multiple stiffener plates are connected between the closed end of the suction tube, the multiple stiffener plate is along the corresponding support
The circumferentially-spaced laying of column.
7. stake cylinder composite guide pipe support blower foundation according to claim 6, which is characterized in that each stiffener plate by
The support column extends to the edge of the closed end along the closing end surfaces.
8. the construction method of stake cylinder composite guide pipe support blower foundation as described in any one of claim 1 to 7, which is characterized in that
Comprising steps of
By assembling in the sub-truss and at least one described suction tube integral sinking of one in sea bed, so that the suction
Cylinder opening end in contact sea bed and be closed；
Close the pile hole of the suction tube；
By the suction eye to the suction tube extracardiac pumping, to form negative pressure in the suction tube, so that the suction tube
Continue to sink and be embedded in sea bed；
Open the pile hole of the suction tube；
A spud pile is worn in the pile hole of the suction tube, and the spud pile is inserted into sea bed.
9. the construction method of stake cylinder composite guide pipe support blower foundation according to claim 8, which is characterized in that in the suction
The pile hole of power cylinder wears a spud pile, and the step of making the spud pile insertion sea bed includes:
The spud pile is arranged in the corresponding pile hole, and the spud pile is squeezed by sea bed by hydraulic hammer, so that
The swelling portion and the pile hole swelling cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236299.5A CN109356189A (en) | 2018-10-23 | 2018-10-23 | A kind of cylinder composite guide pipe support blower foundation and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811236299.5A CN109356189A (en) | 2018-10-23 | 2018-10-23 | A kind of cylinder composite guide pipe support blower foundation and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109356189A true CN109356189A (en) | 2019-02-19 |
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ID=65346278
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| CN201811236299.5A Pending CN109356189A (en) | 2018-10-23 | 2018-10-23 | A kind of cylinder composite guide pipe support blower foundation and its construction method |
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| CN110185059A (en) * | 2019-06-25 | 2019-08-30 | 福建省水利水电勘测设计研究院 | A kind of suction tube jacket wind turbine foundation and its construction method |
| CN110374131A (en) * | 2019-07-19 | 2019-10-25 | 浙江大学 | A kind of cylinder composite truss formula offshore wind turbine foundation and its construction technology |
| CN111456075A (en) * | 2020-03-10 | 2020-07-28 | 浙江大学 | Pile barrel composite truss type offshore wind turbine foundation and construction process thereof |
| CN113833009A (en) * | 2021-09-16 | 2021-12-24 | 华能(浙江)能源开发有限公司清洁能源分公司 | Offshore wind power reinforcing device and method |
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| CN111456075A (en) * | 2020-03-10 | 2020-07-28 | 浙江大学 | Pile barrel composite truss type offshore wind turbine foundation and construction process thereof |
| CN113833009A (en) * | 2021-09-16 | 2021-12-24 | 华能(浙江)能源开发有限公司清洁能源分公司 | Offshore wind power reinforcing device and method |
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Application publication date: 20190219 |