CN208933993U - A kind of embedding rock single pile of offshore wind farm and its construction system - Google Patents
A kind of embedding rock single pile of offshore wind farm and its construction system Download PDFInfo
- Publication number
- CN208933993U CN208933993U CN201821138127.XU CN201821138127U CN208933993U CN 208933993 U CN208933993 U CN 208933993U CN 201821138127 U CN201821138127 U CN 201821138127U CN 208933993 U CN208933993 U CN 208933993U
- Authority
- CN
- China
- Prior art keywords
- pile
- stake holes
- casting
- steel
- steel pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
A kind of embedding rock single pile of offshore wind farm provided by the utility model and its construction system, comprising: stake holes extends to the first stake holes of rock layer surface from earthing layer surface and extends to the second stake holes inside rock stratum from rock layer surface；Pile body is set in stake holes, and the diameter of stake holes is greater than the outer diameter of pile body, forms annulus between pile body and stake holes；Steel pile casting, part steel pile casting are set in the first stake holes, are used to support the first stake holes；Concrete slurry is perfused in annulus, the steel pile casting being located in the first stake holes after concrete perfusion slurry is fixedly connected with pile body.By being perfused with concrete slurry in the annulus between stake holes and pile body, make a part of the steel pile casting being located in the first stake holes as the embedding rock single-pile foundation, expand the stake diameter of top overburden layer single-pile foundation, so as to more effectively increase the whole lateral bearing capacity of single-pile foundation, single-pile foundation is more stable.
Description
Technical field
The utility model relates to offshore wind farm pile foundation technology fields, and in particular to a kind of embedding rock single pile of offshore wind farm and its apply
Work system.
Background technique
The sea area of some complex geologic conditions, superficial layer are mostly overburden layer, and soil property is more soft, are built on these sea areas
Wind Power Project pile foundation if only insertion overburden layer, be unable to reach support demand, thus, be built on these sea areas
The pile foundation of Wind Power Project also need to be embedded in and bury in rock stratum under overburden layer, embedded rock pile is formed, to meet offshore wind farm
The support demand of project.
Chinese patent literature CN207176723U discloses a kind of embedding rock single pile of offshore wind farm, the embedding rock list of offshore wind farm
, rock layer surface embedded by the embedding rock single pile of offshore wind farm is covered with overburden layer；The embedding rock single pile of offshore wind farm includes pile
Body and stake holes；The stake holes extends to inside rock stratum from earthing layer surface, and the stake holes diameter is greater than the external diameter of the pile；
The pile body is embedded in the annulus for forming open top end between the stake holes, with the stake holes；It is filled in the annulus
It is marked with grouting；The construction system includes embedding rock platform, is fixedly supported on the embedding rock platform support vessel for positioning of casting anchor；Steel shield
Cylinder, the steel pile casting internal diameter are greater than the external diameter of the pile；Hanging apparatus and Combined vibrating hammer, the hanging apparatus lift institute
Steel pile casting is stated, steel pile casting described in the Combined vibrating hammer sinking makes the steel pile casting extend to rock layer surface from sea；
Drilling machine is seated on the steel pile casting or is fixed on embedding rock platform, bore operation is carried out, to form above-mentioned stake holes；The lifting
Device enters the pile body sinking in the stake holes, to form above-mentioned annulus；Device for casting, through the annulus
Grouting is perfused into it for open top, keeps the pile body firm；After the pile body is firm, the Combined vibrating hammer and institute
Hanging apparatus is stated to pull out the steel pile casting.
The above-mentioned prior art pulls out steel pile casting after grouting, and this way can disturb surrounding soil, and single-pile foundation is not
Stablize, and after disturbance recovery, soil body mechanical property is difficult to assess, and brings difficulty to design.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome single-pile foundation in the prior art is unstable to lack
It falls into, to provide a kind of embedding rock single pile of the offshore wind farm that single-pile foundation is stable and its construction system.
In order to solve the above technical problems, the embedding rock single pile of a kind of offshore wind farm provided by the utility model, comprising:
Stake holes extends to the first stake holes of rock layer surface from earthing layer surface and extends to inside rock stratum from rock layer surface
The second stake holes；
Pile body is set in the stake holes, and the diameter of the stake holes is greater than the outer diameter of the pile body, the pile body
Annulus is formed between the stake holes；
Steel pile casting, the part steel pile casting are set in first stake holes, are used to support first stake holes；
Concrete slurry, the institute being located in first stake holes after concrete perfusion slurry are perfused in the annulus
Steel pile casting is stated to be fixedly connected with the pile body.
The steel pile casting includes the first steel pile casting and the second steel pile casting being detachably connected, the lower end of first steel pile casting
The surface of the rock stratum is extended to, second steel pile casting extends to the upper surface of first steel pile casting from sea.
First steel pile casting is arranged higher than the earthing layer surface.
The upper end of first steel pile casting is equipped with first flange disk, corresponding, and the lower end of second steel pile casting is equipped with the
Two ring flanges, first steel pile casting are bolted with second steel pile casting.
The utility model also provides a kind of construction system of embedding rock single pile of offshore wind farm, for embedding to the offshore wind farm
Rock single pile is constructed, including
Embedding rock platform is fixedly supported on the embedding rock platform support vessel for positioning of casting anchor；
Hanging apparatus and Combined vibrating hammer, the hanging apparatus lift the steel pile casting, and the Combined vibrating hammer is heavy
Put the steel pile casting；
Drilling machine is seated on the steel pile casting or is fixed on the embedding rock platform, bore operation is carried out, to form the stake
The pile body sinking is entered the stake holes by hole, the lifting pile；
Device for casting is used for the annulus concrete perfusion slurry, after the pile body is firm, by described second
Steel pile casting is removed from first steel pile casting.
It further include the guiding device that the steel pile casting described in sinking has guiding role.
Four auxiliary pileworks that the guiding device is vertically arranged, the auxiliary pile structural support are flat in the embedding rock
Below platform.
Technical solutions of the utility model have the advantages that
1. the embedding rock single pile of a kind of offshore wind farm provided by the utility model, empty by the ring-type between stake holes and pile body
It is interior to be perfused with concrete slurry, it is fixedly connected with the steel pile casting being located in the first stake holes with the pile body, part steel shield
The a part of cylinder as the embedding rock single-pile foundation, expands the stake diameter of top overburden layer single-pile foundation, so as to more effective
Increase the whole lateral bearing capacity of single-pile foundation, single-pile foundation is more stable.Since the whole lateral bearing capacity of single-pile foundation increases
Add, in the case where same blower load, can the opposite aperture for reducing stake holes and the second stake holes depth, can reduce drilling at
This, while drilling efficiency can be increased, the stake diameter and pile body buried depth of internal pile body opposite can reduce, so that overall use
Steel amount reduces, and overall cost reduces.
2. the embedding rock single pile of a kind of offshore wind farm provided by the utility model, the steel pile casting includes first be detachably connected
Steel pile casting and the second steel pile casting, the lower end of first steel pile casting extend to the surface of the rock stratum, and second steel pile casting is certainly
The upper surface of first steel pile casting is extended on sea, the first steel pile casting is integrally used as a part of single-pile foundation, significantly
The lateral bearing capacity of overburden layer is increased, and the second steel pile casting can be removed from the first steel pile casting, overburden layer will not be made to loosen, it is single
Pile foundation is more stable, the convenient determination to stake holes aperture, depth, the external diameter equidimension of pile.
3. the embedding rock single pile of a kind of offshore wind farm provided by the utility model, first steel pile casting is higher than the overburden layer table
Face setting, facilitates and removes the second steel pile casting from the first steel pile casting, while can increase the stability of embedding rock single-pile foundation.
4. the upper end of the embedding rock single pile of a kind of offshore wind farm provided by the utility model, first steel pile casting is equipped with the first method
Blue disk, corresponding, the lower end of second steel pile casting is equipped with second flange disk, first steel pile casting and second steel pile casting
Be bolted, the verticality required precision of flanged joint is higher, can it is simple and effective and accurately control single pile verticality, at
This is smaller, further substantially saves cost.
5. a kind of construction system of the embedding rock single pile of offshore wind farm provided by the utility model further includes the shield of the steel described in sinking
Cylinder has the guiding device of guiding role, is conducive to steel pile casting and vertically sinks to.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of a kind of specific embodiment of the offshore wind farm single pile provided in the embodiments of the present invention 1；
Fig. 2 is structural schematic diagram when a kind of second steel pile casting of offshore wind farm single pile shown in FIG. 1 is not disassembled；
Fig. 3 is a kind of partial structurtes enlarged drawing of offshore wind farm single pile shown in Fig. 2.
Description of symbols:
The first stake holes of 1-；The second stake holes of 2-；The first steel pile casting of 3-；
4- pile body；The second steel pile casting of 5-；6- concrete structure；
The rock stratum 7-；8- overburden layer；31- first flange disk；
51- second flange disk.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
As shown in Figs. 1-3 be a kind of embedding rock single pile of offshore wind farm a kind of specific embodiment, including stake holes, pile body 4,
Steel pile casting.In the present embodiment, the stake holes be divided into from 8 surface of overburden layer extend to 7 surface of rock stratum the first stake holes 1 and
The second stake holes 2 inside rock stratum 7 is extended to from 7 surface of rock stratum, the pile body 4 is set in the stake holes, and the stake holes
Diameter is greater than the outer diameter of the pile body 4, and annulus, the steel pile casting packet are formed between the pile body 4 and the stake holes
The first steel pile casting 3 and the second steel pile casting 5 by flanged joint are included, the lower end of first steel pile casting 3 extends to the rock stratum 7
Surface, second steel pile casting 5 extends to the upper surface of first steel pile casting 3, first steel pile casting 3 from sea
Upper end be equipped with first flange disk 31, corresponding, the lower end of second steel pile casting 5 is equipped with second flange disk 51, described first
Steel pile casting 3 is bolted with second steel pile casting 5, and concrete slurry is perfused in the annulus, and coagulation is perfused
Soil paste material and after cooling down, forms concrete structure 6, first steel pile casting 3 is fixedly connected with the pile body 4 as the embedding rock
A part of single-pile foundation.
When in use, first passing through hanging apparatus and Combined vibrating hammer will be by the first steel pile casting 3 of flanged joint and the
Two steel pile castings, 5 sinking is to the surface of rock stratum 7, and the second steel pile casting 5 is used for insulating sea water, and the first steel pile casting 3 is used to support overburden layer
8, then using drilling machine in steel pile casting internal drilling, the aperture in hole is the internal diameter of steel pile casting, and the depth of the second stake holes 2 is projected depth
Also and the buried depth of pile body 4, then pile body 4 is lifted in stake holes, the upper end of pile body 4, which is fixed, shakes it not
It is dynamic, the concrete perfusion slurry between stake holes and pile body 4, after concrete slurry cooled and solidified, the first steel pile casting 3 and pile
Body 4 is formed as overall structure, and diver is used in combination to the connection bolt of underwater demolition connection the first steel pile casting 3 and the second steel pile casting 5
Hanging apparatus hangs the second steel pile casting 5.A part due to the first steel pile casting 3 as the embedding rock single-pile foundation, expands
The stake diameter of 8 single-pile foundation of portion's overburden layer, so as to more effectively increase the whole lateral bearing capacity of single-pile foundation, single-pile foundation
It is more stable.Since the whole lateral bearing capacity of single-pile foundation increases, in the case where same blower load, opposite can reduce
The depth in the aperture of stake holes and the second stake holes 2 can reduce drilling cost, while can increase drilling efficiency, internal pile body 4
Stake diameter and 4 buried depth of pile body opposite can reduce, so that overall steel using amount reduces, overall cost is reduced.
In interchangeable embodiment, the connection type of first steel pile casting 3 and second steel pile casting 5 is replaceable
For other detachable connection methods, for example snaps connection or be arranged respectively in the outside of the first steel pile casting 3 and the second steel pile casting 5
Bolt hole is arranged in ear, is bolted between the two for the ear of protrusion.
Embodiment 2
The present embodiment provides a kind of construction systems of the embedding rock single pile of offshore wind farm, for one of above-described embodiment sea
The upper embedding rock single pile of wind-powered electricity generation is constructed, including embedding rock platform, hanging apparatus and Combined vibrating hammer, drilling machine, device for casting.Embedding rock
Platform is fixedly supported on the embedding rock platform support vessel for positioning of casting anchor；The hanging apparatus lifts the steel pile casting, the combination
Steel pile casting described in formula vibration hammer sinking；The drilling machine is seated on the steel pile casting or is fixed on the embedding rock platform, is bored
Hole operation, to form the stake holes, 4 sinking of pile body is entered the stake holes by the lifting pile；The device for casting is used
In to the annulus concrete perfusion slurry, after the pile body 4 is firm, by second steel pile casting 5 from described first
It is removed on steel pile casting 3.It further include the guiding device that the steel pile casting described in sinking has guiding role, in the present embodiment, institute
Four auxiliary pileworks that guiding device is vertically arranged are stated, the auxiliary pile structural support is below the embedding rock platform.
In interchangeable embodiment, four auxiliary pilework can be replaced the guiding being arranged on embedding rock platform
Hole.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (7)
1. a kind of embedding rock single pile of offshore wind farm characterized by comprising
Stake holes, extend to the first stake holes of rock layer surface from earthing layer surface and extended to from rock layer surface inside rock stratum
Two stake holes；
Pile body is set in the stake holes, and the diameter of the stake holes is greater than the outer diameter of the pile body, the pile body and institute
It states and forms annulus between stake holes；
Steel pile casting, the part steel pile casting are set in first stake holes, are used to support first stake holes；
Concrete slurry, the steel being located in first stake holes after concrete perfusion slurry are perfused in the annulus
Casing is fixedly connected with the pile body.
2. the embedding rock single pile of a kind of offshore wind farm according to claim 1, which is characterized in that the steel pile casting includes detachable
The first steel pile casting and the second steel pile casting of connection, the lower end of first steel pile casting extend to the surface of the rock stratum, and described the
Two steel pile castings extend to the upper surface of first steel pile casting from sea.
3. the embedding rock single pile of a kind of offshore wind farm according to claim 2, which is characterized in that first steel pile casting is higher than institute
State the setting of earthing layer surface.
4. the embedding rock single pile of a kind of offshore wind farm according to claim 2, which is characterized in that the upper end of first steel pile casting
Corresponding equipped with first flange disk, the lower end of second steel pile casting is equipped with second flange disk, first steel pile casting with it is described
Second steel pile casting is bolted.
5. a kind of construction system of the embedding rock single pile of offshore wind farm, which is characterized in that for the sea one of claim 2-4
The embedding rock single pile of wind-powered electricity generation is constructed, including
Embedding rock platform is fixedly supported on the embedding rock platform support vessel for positioning of casting anchor；
Hanging apparatus and Combined vibrating hammer, the hanging apparatus lift the steel pile casting, and the Combined vibrating hammers sinking institute into shape
State steel pile casting；
Drilling machine is seated on the steel pile casting or is fixed on the embedding rock platform, and bore operation is carried out, to form the stake holes,
The pile body sinking is entered the stake holes by the lifting pile；
Device for casting, for after the pile body is firm, second steel being protected to the annulus concrete perfusion slurry
Cylinder is removed from first steel pile casting.
6. a kind of construction system of the embedding rock single pile of offshore wind farm according to claim 5, which is characterized in that further include to heavy
Put the guiding device that the steel pile casting has guiding role.
7. a kind of construction system of the embedding rock single pile of offshore wind farm according to claim 6, which is characterized in that the guiding dress
Four auxiliary pileworks being vertically arranged are set to, the auxiliary pile structural support is below the embedding rock platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138127.XU CN208933993U (en) | 2018-07-18 | 2018-07-18 | A kind of embedding rock single pile of offshore wind farm and its construction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138127.XU CN208933993U (en) | 2018-07-18 | 2018-07-18 | A kind of embedding rock single pile of offshore wind farm and its construction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208933993U true CN208933993U (en) | 2019-06-04 |
Family
ID=66716264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821138127.XU Active CN208933993U (en) | 2018-07-18 | 2018-07-18 | A kind of embedding rock single pile of offshore wind farm and its construction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208933993U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3848512A1 (en) * | 2020-01-07 | 2021-07-14 | BAUER Spezialtiefbau GmbH | Method for creating a foundation element in the ground and foundation element |
| CN113737839A (en) * | 2021-08-10 | 2021-12-03 | 广东华蕴海上风电科技有限公司 | Offshore wind power rock-socketed single pile construction method based on double pile casing structure and soft soil layer |
-
2018
- 2018-07-18 CN CN201821138127.XU patent/CN208933993U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3848512A1 (en) * | 2020-01-07 | 2021-07-14 | BAUER Spezialtiefbau GmbH | Method for creating a foundation element in the ground and foundation element |
| WO2021139978A1 (en) * | 2020-01-07 | 2021-07-15 | Bauer Spezialtiefbau Gmbh | Method for creating a foundation element in the ground and foundation element |
| CN114466959A (en) * | 2020-01-07 | 2022-05-10 | 包尔特殊基础工程有限公司 | Method for constructing a foundation element in the soil and foundation element |
| CN113737839A (en) * | 2021-08-10 | 2021-12-03 | 广东华蕴海上风电科技有限公司 | Offshore wind power rock-socketed single pile construction method based on double pile casing structure and soft soil layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109083167A (en) | A kind of construction method of cofferdam of base slab for high peg | |
| CN103510529A (en) | Steel hanging box system for underwater high-rise pile cap construction and construction technology thereof | |
| CN208933993U (en) | A kind of embedding rock single pile of offshore wind farm and its construction system | |
| CN105970993A (en) | Underwater connection structure for precast piles and precast bearing platform, and construction method thereof | |
| CN105863042A (en) | All-steel structure building and construction method thereof | |
| CN203222733U (en) | Pier column type pile foundation collar beam steel hanging box cofferdam | |
| CN201891123U (en) | Single-wall steel hanging box with concrete bottom plate | |
| CN106088120B (en) | A kind of cofferdam decentralization construction method | |
| CN100523390C (en) | Root type foundation and anchorage and construction method thereof | |
| CN110409281A (en) | A kind of deep water drift net steel trestle | |
| CN109797759A (en) | A kind of bionical precast-boxed cofferdam of sea scar and its construction method | |
| CN204676584U (en) | A kind of high stake truss-like offshore wind turbine foundation structure | |
| CN109930624A (en) | A kind of embedding petrographic province blower foundation of offshore wind farm and construction method | |
| CN212838181U (en) | Floating-based offshore wind power device | |
| CN102767187A (en) | Reverse construction method for pebble foundation swirling well | |
| JP3242212U (en) | Life-prolonging equipment for single-pile foundations for offshore wind power generation | |
| CN108708365A (en) | Prevent the liquefied novel steel tube pile foundation of soil around pile under wave action | |
| CN107237343A (en) | A kind of many wall type nodular diaphragm walls as bridge foundation for soft soil foundation | |
| CN206859240U (en) | Reduce the device of steel suspended box cofferdam bottoming concrete thickness | |
| CN208309610U (en) | One kind exempting from bottom concrete steel lifted trunk bottom plate and steel pile casting attachment device | |
| CN203866802U (en) | Single-foot column oil production platform | |
| CN103015459A (en) | Construction method for underwater baring platform steel cover box on storm surge river mouth | |
| CN106088087B (en) | A kind of embedding rock single pile bitubular construction auxiliary device and its construction method | |
| CN115288184A (en) | Shallow-covering-layer offshore wind power single-pile composite foundation construction method and composite foundation thereof | |
| CN212248250U (en) | Hoisting device for steel reinforcement cage in deep space groove section |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |