CN207582480U - Marine brace foundation - Google Patents
Marine brace foundation Download PDFInfo
- Publication number
- CN207582480U CN207582480U CN201721591997.8U CN201721591997U CN207582480U CN 207582480 U CN207582480 U CN 207582480U CN 201721591997 U CN201721591997 U CN 201721591997U CN 207582480 U CN207582480 U CN 207582480U
- Authority
- CN
- China
- Prior art keywords
- supporting section
- marine
- steel
- brace foundation
- connecting hole
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a kind of marine brace foundation, and including the steel-pipe pile vertically extended, the steel-pipe pile includes upper supporting section and lower supporting section；At the top surface of basement rock that the lower end of the upper supporting section extends to sea bed, the lower supporting section is embedded in basement rock, and the upper end of the lower supporting section and the lower end of upper supporting section are affixed.Marine brace foundation, steel-pipe pile include upper supporting section and lower supporting section in the utility model；Upper supporting section is located in coating more than weak-weathered rock, and two kinds of construction methods may be used and realize：Pure driving into type and drilling pile sinking concrete perfusion formula；Lower supporting section is embedded in basement rock, to utilize support and position-limiting action of the basement rock to lower supporting section, the effectively support strength and the stability of its own of enhancing steel-pipe pile, the problems such as steel-pipe pile is avoided to generate translation by a relatively large margin, rock, so that the marine support strength of brace foundation and stability higher in the utility model.
Description
Technical field
The utility model is related to a kind of foundation structure, more particularly to a kind of marine brace foundation.
Background technology
Wind energy as most can Development volue regenerative resource and receive the world and attract attention.And marine wind electric field is more because having
Wind speed is big, effective generating dutation is long, be not take up land, apart from load center it is near the advantages that, having well can development prospect.I
State is vast in territory, seashore line length, offshore wind energy resource very abundant.
Offshore wind turbine must be supported on offshore wind turbine foundation.Because of the complexity of marine environment, offshore wind turbine foundation cost
Account for more than 20% marine wind electric field cost.Blower foundation cost how is reduced, reduces the construction of blower foundation offshore wind turbine foundation
In the period, it is to develop the important topic of offshore wind farm that wind power plant is promoted, which to generate electricity as early as possible, creates benefit.Single-pile foundation is easy for construction because of its
Fast, good economy performance and be concerned.The blower foundation in more than 70% whole world uses single-pile foundation at present.
Single-pile foundation sinks to seabed by a steel-pipe pile, and steel-pipe pile diameter is usually between 4~6m.Steel-pipe pile is mounted on sea
The place of the lower 30~60m of bed.Traditional single pile is generally all submerged into soil layer using pile hammer.However China Liaoning, Shandong, Zhejiang
River, Fujian, Guangdong, Guangxi etc. are coastal there are large area shallow overburden ground, because bedrock surface buried depth is shallow, can not often incite somebody to action
Steel-pipe pile is drowned into the design altitude of needs, and generally requires to construct on embedding rock.
Conventional drilling machine using the embedding technique for rock of tunneling boring, since rock drilling area is big, is bored in addition to the brill that do not need to of large area removes
Core；So as to cause rock drilling efficiency low, and to embedding rock equipment requirement height, and there are equipment is huge, equipment is few, costly etc.
Problem.
Utility model content
In view of the foregoing deficiencies of prior art, the technical problem to be solved by the present invention is to provide a kind of stabilizations
Property higher marine brace foundation.
To achieve the above object, the utility model provides a kind of marine brace foundation, including the steel vertically extended
Pile pile, the steel-pipe pile include upper supporting section and lower supporting section；The lower end of the upper supporting section extends to the top of the basement rock of sea bed
At face, the lower supporting section is embedded in basement rock, and the upper end of the lower supporting section and the lower end of upper supporting section are affixed.
Further, lower support connecting hole is offered in the basement rock, the lower supporting section is in lower support connecting hole.
Further, the ring-shaped section and ring-shaped of the lower support connecting hole.
Further, lower concrete layer is perfused in the lower support connecting hole, the lower supporting section is embedded in lower concrete
In layer.
Further, the lower end of the lower supporting section extends to the lower end of lower concrete layer.
Further, the upper end of the upper supporting section is connected with blower fan tower barrel.
Further, the upper supporting section is in the soil body above basement rock.
Further, upper support connecting hole is equipped in the soil body；The upper supporting section is in upper support connecting hole.
Further, concrete layer is perfused in the upper support connecting hole, the upper supporting section is embedded in upper concrete
In layer.
Further, the periphery of the upper support connecting hole is provided with casing.
As described above, the utility model is related to marine brace foundation, have the advantages that：
Marine brace foundation in the utility model, steel-pipe pile includes lower supporting section, and lower supporting section is embedded in basement rock, with
Using support of the basement rock to lower supporting section and position-limiting action, effectively enhance the support strength and the stability of its own of steel-pipe pile,
The problems such as steel-pipe pile is avoided to generate translation by a relatively large margin, rock so that in the utility model marine brace foundation branch
Support intensity and stability higher.
Description of the drawings
Fig. 1 is the structure diagram of marine brace foundation in the utility model the first embodiment.
Fig. 2 is A-A sectional views in Fig. 1.
Fig. 3 is B-B sectional views in Fig. 1.
Fig. 4 is the structure diagram of marine brace foundation in second of embodiment of the utility model.
Component label instructions
1 steel-pipe pile
Supporting section on 11
12 times supporting sections
2 basement rock
3 times concrete layers
4 cores
5 soil bodys
51 cores
52 mud faces
Concrete layer on 6
7 casings
Specific embodiment
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that structure, ratio, size depicted in this specification attached drawing etc., only coordinating specification revealed
Content so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the utility model, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing this practicality
Under novel the effect of can be generated and the purpose that can reach, should all still it fall in the revealed technology contents institute energy of the utility model
In the range of covering.Meanwhile cited such as " on ", " under ", "left", "right", " centre " and " one " term in this specification,
It is merely convenient to narration and understands rather than that limit the utility model enforceable range relativeness is altered or modified,
In the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of marine brace foundation, including the steel vertically extended
Pile pile 1, steel-pipe pile 1 include upper supporting section 11 and lower supporting section 12；The lower end of upper supporting section 11 extends to the top of the basement rock 2 of sea bed
At face, lower supporting section 12 is embedded in basement rock 2, and the upper end of lower supporting section 12 and the lower end of upper supporting section 11 are affixed.This practicality is new
Marine brace foundation in type, steel-pipe pile 1 includes lower supporting section 12, and lower supporting section 12 is embedded in basement rock 2, to utilize basement rock 2
Support and position-limiting action to lower supporting section 12 effectively enhance the support strength and the stability of its own of steel-pipe pile 1, avoid steel
The problems such as pile pile 1 generates translation by a relatively large margin, rocks so that in the utility model marine brace foundation support strength
And stability higher.
The first embodiment
Lower support connecting hole is offered in the present embodiment in basement rock 2, lower supporting section 12 is in lower support connecting hole, with reality
Now by lower supporting section 12 in basement rock 2.Meanwhile the lower ring-shaped section and ring-shaped for supporting connecting hole in the present embodiment.Such as Fig. 1 to Fig. 3
Shown, in tubular construction, section is also in a ring for steel-pipe pile 1 in the present embodiment.In this way, lower support of the present embodiment using annular
Connecting hole can not only realize above-mentioned lower supporting section 12 in basement rock 2, and wall inside and outside the lower support connecting hole of the annular
Position-limiting action can be played to steel-pipe pile 1, to enhance the stability of steel-pipe pile 1, avoid effect of the steel-pipe pile 1 in larger stormy waves by equal
Lower situations such as generating translation, rocking, so as to further enhance the stationarity of marine brace foundation in the utility model.In addition, it is in
The lower support connecting hole of annular is in building course is processed, and the required rock mass amount removed of boring is smaller, convenient for construction.
As shown in figures 1 and 3, lower concrete layer 3 is perfused in lower support connecting hole in the present embodiment, lower supporting section 12 is embedding
In lower concrete layer 3.In this way, side wall and lower supporting section 12 of the present embodiment using the lower support connecting hole of concrete effectively filling
Between gap, and using the frictional force between lower concrete layer 3 and lower supporting section 12, realize the fixation of lower supporting section 12 and basement rock 2
Connection, so that basement rock 2 can give lower supporting section 12 and steel-pipe pile 1 to provide stronger supporting role and position-limiting action, and then make
Obtain the marine support strength of brace foundation and stability higher in the present embodiment.
As shown in Figure 1, the lower end of lower supporting section 12 extends to the lower end of lower concrete layer 3, i.e. this implementation in the present embodiment
The lower end of lower supporting section 12 is flushed with the lower end of lower concrete layer 3 in example.
The upper end of upper supporting section 11 is connected with the lower end of blower fan tower barrel in the present embodiment, which is used for sea turn
Power generates electricity, i.e., marine brace foundation is a kind of offshore wind plant wind turbine foundation in the present embodiment.In addition, in other embodiments,
The sea brace foundation can also be that other types of equipment, platform etc. provide a supporting role.
As shown in Figure 1 to Figure 3, in the present embodiment it is above-mentioned sea brace foundation construction method, include the following steps：
S1, the piling construction that single-pile foundation is carried out first with pile hammer, i.e., squeeze into sea bed using pile hammer by steel-pipe pile 1
In, until the lower end of lower supporting section 12 is drowned into the top surface of basement rock 2；
S2, the lower support connecting hole for drilling out above-mentioned annular on basement rock 2 using drilling machine；
S3, the concrete perfusion in lower support connecting hole, to obtain above-mentioned lower concrete layer 3；
Before S4, the concrete initial set in above-mentioned lower concrete layer 3, before i.e. complete condensation, continuation squeezes into steel-pipe pile downwards
1, so that in the lower concrete layer 3 of the insertion of lower supporting section 12 of steel-pipe pile 1, until steel-pipe pile 1 is got to pile top elevation in basement rock 2
Place, i.e., until the lower end of lower supporting section 12 is flushed with the lower end of lower concrete layer 3, steel-pipe pile 1 has been driven into lower support and has connected at this time
Connect the bottom hole in hole.
Above-mentioned construction method in the present embodiment connects by the lower support connecting hole of the jumping through rings shape on basement rock 2, and in lower support
Concrete perfusion in hole is connect, is further continued for squeezing into steel-pipe pile 1, to realize steel-pipe pile 1 in lower concrete layer 3 and basement rock 2.It is this
It is big etc. difficult that novel embedding rock mode solves large diameter single pile embedding in rock difficult big, low construction efficiency and energy consumption, for shallow overburden
On base a solution is provided using single-pile foundation；And marine brace foundation is caused in the present embodiment to can apply to sea and contain
Weak-weathered rock and in the shallower stratum of the coating of first-class hard rock, for the shallow overburden area that China coast is widely present, greatly
Area has significant warp using this structure type is simple, single pile blower foundation of good economy performance provides a kind of technical solution
Ji benefit.
Basement rock 2 in the present embodiment, solid rock including the weak-weathered rock being located above and below weak-weathered rock, i.e.
Hard rock.The upper supporting section 11 of steel-pipe pile 1 is located above weak weathered granite in the present embodiment.The section of above-mentioned lower support connecting hole
Specifically in circular ring shape, and core 4 is surrounded by the lower support connecting hole, above-mentioned steel-pipe pile 1 is set in vertical state in the present embodiment
It puts, as depicted in figs. 1 and 2, the section of the steel-pipe pile 1 is also in circular ring shape.And the upper end of the steel-pipe pile 1 uses drive connection mode
It is connect with blower fan tower barrel.The upper supporting section 11 of steel-pipe pile 1 passes through the ground coating in sea bed in the present embodiment.
The lower support for drilling out annular in basement rock 2 and hard rock using full-rotating drill is needed to connect in the present embodiment above-mentioned steps S2
Hole is connect, avoiding the core 4 of pile center during tunneling boring Qian Yan can be removed by unnecessary brill, and so as to cause inefficiency, embedding rock is set
The problems such as standby requirement is high, and equipment is huge, heavy.The present embodiment is effectively carried using such marine brace foundation and its construction method
High work efficiency reduces energy consumption and effectively controls construction cost.
In above-mentioned steps S3, it is super slow concrete to support the concrete being perfused in connecting hole downwards, to delay the lower coagulation
3 complete setting time of soil layer；So as to ensure in step s 4, before concrete initial set, the lower supporting section 12 of steel-pipe pile 1 can be beaten
Enter in the lower concrete layer 3, be mounted in basement rock 2 so as to fulfill by steel-pipe pile 1, i.e., steel-pipe pile 1 and basement rock 2 connect into one it is whole
Body, and then ensure the marine support strength of brace foundation and stability higher in the present embodiment.The present embodiment is using under annular
Concrete layer 3 solves the embedding rock efficiency of single-pile foundation on shallow overburden ground.
Second of embodiment
As shown in the figure, the present embodiment, on the basis of the first above-mentioned embodiment, supporting section 11 is embedded in 2 top of basement rock thereon
The soil body 5 in.And upper support connecting hole is equipped in the soil body 5；Upper supporting section 11 is in upper support connecting hole.Connection is supported on this
Hole is communicated with above-mentioned lower support connecting hole.The section of upper support connecting hole is also in circular ring shape in the present embodiment.
Meanwhile as shown in the figure, concrete layer 6 is perfused in upper support connecting hole in the present embodiment, upper supporting section 11 is embedding
In upper concrete layer 6.And the periphery of upper support connecting hole is provided with casing 7, to prevent the soil in the soil body 5 from caving in.This reality
It is steel pile casting to apply casing 7 in example.
The construction method of above-mentioned sea brace foundation, includes the following steps in the present embodiment：
1st, it is drilled through in the soil body 5 using drilling machine and connecting hole is supported on above-mentioned, and above-mentioned lower support connection is drilled through in basement rock 2
Hole；For the soil in the soil body 5 is avoided to cave in, need to set above-mentioned casing 7 in the soil body 5 simultaneously；
2nd, the piling construction of single-pile foundation is carried out；Steel-pipe pile 1 is sunk to by its own gravity in sea bed, and by its own gravity
Sink along upper support connecting hole and lower support connecting hole, until in basement rock 2 at pile top elevation, i.e., the lower end of steel-pipe pile 1 is drowned into
Until the lower end of lower supporting section 12 is flushed with the lower end of lower support connecting hole, supporting section 12 has sunk to lower support connecting hole at present for this
Bottom hole, upper supporting section 11 be located at it is upper support connecting hole in；
3rd, connecting hole and upper concrete perfusion in supporting connecting hole are supported lower successively, to obtain above-mentioned lower concrete layer 3
With upper concrete layer 6, and this at present supporting section 12 be embedded in lower concrete layer 3, upper supporting section 11 be embedded in upper concrete layer 6 in.
Coating of the above-mentioned soil body 5 for 2 top of basement rock in the present embodiment.The top surface of the soil body 5 is mud face 52, upper support connection
The upper end in hole is flushed with mud face 52.The lower end of lower support connecting hole is extended at the pile top elevation in basement rock 2.Upper support connecting hole
In soil be core 51.
In conclusion the utility model proposes marine brace foundation, by by steel-pipe pile 1 squeeze into annular lower concrete
Until pile top elevation all drills pile sinking in layer 3 or from mud face, then concrete perfusion, solves in shallow overburden ground
On using traditional construction equipment build single-pile foundation embedding rock problem.So the utility model effectively overcomes in the prior art
Using the problems of single-pile foundation on shallow overburden ground, and the industrial utilization with height.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (10)
1. a kind of sea brace foundation, including the steel-pipe pile (1) vertically extended, it is characterised in that：The steel-pipe pile (1)
Including upper supporting section (11) and lower supporting section (12)；The lower end of the upper supporting section (11) extends to the top of the basement rock (2) of sea bed
At face, the lower supporting section (12) is in basement rock (2), and under the upper end of the lower supporting section (12) and upper supporting section (11)
It holds affixed.
2. marine brace foundation according to claim 1, it is characterised in that：Lower support connection is offered in the basement rock (2)
Hole, the lower supporting section (12) is in lower support connecting hole.
3. marine brace foundation according to claim 2, it is characterised in that：The ring-shaped section and ring-shaped of the lower support connecting hole.
4. marine brace foundation according to claim 2, it is characterised in that：Lower coagulation is perfused in the lower support connecting hole
Soil layer (3), the lower supporting section (12) is in lower concrete layer (3).
5. marine brace foundation according to claim 4, it is characterised in that：The lower end of the lower supporting section (12) extends to down
The lower end of concrete layer (3).
6. marine brace foundation according to claim 1, it is characterised in that：The upper end of the upper supporting section (11) and wind turbine tower
Cylinder is connected.
7. marine brace foundation according to claim 1, it is characterised in that：The upper supporting section (11) is on basement rock (2)
In the soil body (5) of side.
8. marine brace foundation according to claim 7, which is characterized in that upper support connecting hole is equipped in the soil body (5)；
The upper supporting section (11) is in upper support connecting hole.
9. marine brace foundation according to claim 8, it is characterised in that：Coagulation is perfused in the upper support connecting hole
Soil layer (6), the upper supporting section (11) is in upper concrete layer (6).
10. marine brace foundation according to claim 8, it is characterised in that：The periphery of the upper support connecting hole is provided with
Casing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591997.8U CN207582480U (en) | 2017-11-24 | 2017-11-24 | Marine brace foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721591997.8U CN207582480U (en) | 2017-11-24 | 2017-11-24 | Marine brace foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207582480U true CN207582480U (en) | 2018-07-06 |
Family
ID=62733722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721591997.8U Withdrawn - After Issue CN207582480U (en) | 2017-11-24 | 2017-11-24 | Marine brace foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207582480U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837920A (en) * | 2017-11-24 | 2019-06-04 | 上海勘测设计研究院有限公司 | Marine brace foundation |
-
2017
- 2017-11-24 CN CN201721591997.8U patent/CN207582480U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837920A (en) * | 2017-11-24 | 2019-06-04 | 上海勘测设计研究院有限公司 | Marine brace foundation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10267008B2 (en) | Offshore non-driven-in large-diameter monopile foundation structure and construction method | |
| CN105297765B (en) | A kind of marine wind electric field fan combined type rock-socketed pile foundation and its construction method | |
| CN103132521B (en) | Undersea suction anchor | |
| CN107299632A (en) | Marine rock drilling strike-on type large diameter pile structure and construction method | |
| CN105862905B (en) | A kind of embedding rock single-pile foundation of offshore wind farm and its construction method | |
| CN204370469U (en) | A kind of drilled pile long leg jacket offshore wind turbine foundation | |
| CN211646450U (en) | Offshore wind power single pile-wing plate-rockfill composite foundation | |
| CN202039382U (en) | Ribbing seabed suction anchor | |
| CN101539118B (en) | Passive antiscour base of basic structure of gravity-type offshore wind turbine | |
| WO2022127466A1 (en) | Novel offshore wind turbine foundation suitable for shallow covering layer and construction method therefor | |
| JP3230883U (en) | Combined single pile foundation structure for offshore wind power generation | |
| CN105780806A (en) | Offshore wind turbine foundation for long-leg jacket of drilling piles and construction method of offshore wind turbine foundation | |
| CN105862906A (en) | Offshore wind power plant draught fan single pile foundation and construction method | |
| CN208486284U (en) | A kind of offshore wind farm gravity block basis | |
| CN105297764B (en) | Marine wind electric field fan single-pile foundation and its construction method | |
| CN206646541U (en) | A kind of embedding rock single-pile foundation of batholith sea bed offshore wind turbine | |
| CN207176723U (en) | A kind of embedding rock single pile of offshore wind farm and its construction system | |
| CN106759432A (en) | A kind of construction method of offshore wind farm super-large diameter piling bar | |
| CN102296629A (en) | Tower-drum structure suitable for ocean engineering and installation method thereof | |
| CN205776311U (en) | A kind of offshore wind farm embedding rock single-pile foundation | |
| CN206956717U (en) | Marine rock drilling strike-on type large diameter pile structure | |
| CN207582480U (en) | Marine brace foundation | |
| Li et al. | Construction technology of high-rise pile cap foundation of offshore wind power in Taiwan Strait | |
| CN205116207U (en) | Offshore wind farm fan combined type embedded rock pile basis | |
| CN206477949U (en) | A kind of seawater Pumped Storage Power Stations |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20220805 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20220805 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |