CN105971002A - Marine fan, gravity type marine fan foundation, and mounting and construction method of gravity type marine fan foundation - Google Patents
Marine fan, gravity type marine fan foundation, and mounting and construction method of gravity type marine fan foundation Download PDFInfo
- Publication number
- CN105971002A CN105971002A CN201610513128.7A CN201610513128A CN105971002A CN 105971002 A CN105971002 A CN 105971002A CN 201610513128 A CN201610513128 A CN 201610513128A CN 105971002 A CN105971002 A CN 105971002A
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- gravity type
- wind turbine
- offshore wind
- turbine foundation
- type offshore
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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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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- Wind Motors (AREA)
Abstract
The invention discloses a gravity type marine fan foundation which comprises a foundation body provided with a platform, wherein a plurality of supporting barrels distributed evenly are arranged at the peripheral side of the foundation body; the interiors of the supporting barrels are hollow; the upper ends of the supporting barrels are opened; and pointed cones are arranged at the bottom ends of the supporting barrels. The gravity type marine fan foundation has the advantages that the gravity type marine fan foundation is independent of submarine smoothness; no submarine reinforcement treatment is required; the mounting working capacity is low; the offshore operation time is short; the structure is simple; the operation is convenient; the applicable seawater depth can reach 30m; the application conditions are wide; counterweight is balanced and convenient; and fine leveling is quick. The invention further discloses a marine fan adopting the gravity type marine fan foundation, and further discloses a mounting and construction method of the gravity type marine fan foundation.
Description
Technical field
The present invention relates to Offshore Wind Power Generation Technology, be specifically related to a kind of offshore wind turbine, gravity type offshore wind turbine
Basis and construction method of installation thereof.
Background technology
At present, in gravity type offshore wind turbine foundation installation, need to carry out in installation seabed, basis seabed change fill out,
Throw rubble, the reinforcement such as smooth processes.But, owing to seabed needs reinforcement to process, it is in the consideration of cost,
Gravity type foundation is not suitable at sea water region more than more than 10 meters deeply, and the most restricted to geology.This
Outward, current gravity type offshore wind turbine foundation installation needs back-grouting, be basis and sea bed for the first time
Between grouting, anti-wash away and antiskid, second time be bottom top, basis and tower between fine leveling.
Number of patent application is that the Chinese patent literature of CN201410633320 discloses a kind of steel frame construction+mixed
The gravity type blower foundation that solidifying soil cursting body internal cast concrete are formed.But, in the presence of this technical scheme
State shortcoming:
1), before basis is installed and placed, sea bed needs excavation, changes and fill out, throw rubble, the stiffening basic ground such as smooth；
Workload is big, Potential Working Time For Operation At Sea is long, and cost is high.
2) cost reason processed because of sea bed, basis is only suitable for the marine site in deep 10 meters of sea water.
3) position that steel construction top is connected with tower need to be provided with foundation ring, fixing by after leveling grouting,
Constructing operation is complicated, relatively costly.
4) needing during the grout hole self-floating towing preset to close, need to open after being lowered in sea water, operation easier is big,
It is difficult to implement.
Summary of the invention
For the problems referred to above of prior art, the invention provides a kind of gravity type offshore wind turbine foundation, have
Be independent of seabed flatness, need not seabed consolidation process, installation workload is low, Potential Working Time For Operation At Sea is short,
Simple in construction, easy to operate, the sea water that is suitable for deeply up to 30 meters, applicable elements is wider, counterweight equilibrium is convenient,
At least one in the advantages such as fine leveling is quick.
A first aspect of the present invention, it is provided that a kind of gravity type offshore wind turbine foundation, including the base with platform
Plinth body, all sides of described base matrix are provided with multiple barrel support being evenly arranged, the inside of described barrel support
Hollow and upper end open, the bottom of described barrel support is provided with pointed cone.
Further, connect between adjacent barrel support and have horizontal stay tube.
Further, down tube and lower down tube it are respectively equipped with between described base matrix and barrel support, often
One barrel support is connected with base matrix with lower down tube by upper down tube respectively.
Further, described base matrix is cone cylinder shape or tubular.
Further, described barrel support is arranged along vertical direction, and its inner chamber is used for loading counterweight material.
Further, the intracavity bottom of described barrel support is provided with the strong rammer hammer mounting interface for installing strong rammer hammer.
A second aspect of the present invention, additionally provides a kind of any of the above-described item described gravity type offshore wind turbine foundation
Construction method of installation, comprises the following steps:
S1, it is to tie up multiple floating drum around described gravity type offshore wind turbine foundation, by its towage to predetermined maritime area
Position；
S2, in each barrel support of described gravity type offshore wind turbine foundation, lift strong rammer hammer respectively, simultaneously
Controlling floating drum internal gas pressure, water filling in floating drum, making described gravity type offshore wind turbine foundation sink until inserting sea
Bed；
S3, start each strong rammer hammer corresponding barrel support is rammed, make described gravity type offshore wind turbine foundation
Overall continuation sinks；
S4, in each barrel support irrigate counterweight material.
Further, described floating drum uses and salvages steel floating drum.
Further, one or more during described counterweight material uses Ore, sandstone, concrete.
A third aspect of the present invention, it is further provided a kind of offshore wind turbine, including tower and any of the above-described item
Described gravity type offshore wind turbine foundation, is arranged on bottom described tower on described gravity type offshore wind turbine foundation.
The gravity type offshore wind turbine foundation of the present invention has an advantage that
1, the present invention includes the base matrix with platform, and all sides of base matrix are provided with multiple being evenly arranged
Barrel support, utilizes the supporting construction of multiple barrel support not rely on the flatness in seabed, and the end of barrel support
End is provided with pointed cone, is provided with pointed cone by the bottom of barrel support and can conveniently insert seabed, therefore puts in installation
It is not required to before putting to carry out in installation seabed, basis to excavate, changes and fill out, throw rubble, the stiffening basic ground such as smooth, because of
This advantageously reduces basis installation workload, and Potential Working Time For Operation At Sea installation cost short, basic is low, is not required to artificial
Go to regulate the mode such as bolt, jack, be more not required to use the structural member such as spacer shell, foundation ring, be not required to use
The mode of foundation ring back-grouting carries out leveling consolidation process, has simple in construction, easy to operate advantage.
2, the present invention install place before be not required to install on basis sea bed and carry out excavating, change and fill out, throw rubble, flat
The whole stiffening basic ground that waits, therefore without being suitable for geological conditions restriction, the sea water being suitable for, deeply up to 30 meters, is suitable for
Condition is wider；
3, the inner hollow of barrel support of the present invention and upper end open, therefore can be by filling in barrel support respectively
The counterweight material such as note Ore, sandstone, concrete, it is achieved counterweight equalizes.
4, the inner chamber of barrel support of the present invention can install strong rammer hammer, combines existing gravity type and stub basis,
And use easy strong rammer hammer to carry out basis sinking and leveling, it is possible to utilize strong rammer hammer respectively to base matrix week
Each barrel support of side carries out strong rammer, it is possible to realize the sinking to whole gravity type offshore foundation and fine leveling,
And Automated condtrol, precision is high.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention shows
Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.At accompanying drawing
In:
Fig. 1 is the main TV structure schematic diagram of the present embodiment gravity type offshore wind turbine foundation；
Fig. 2 is the plan structure schematic diagram of the present embodiment gravity type offshore wind turbine foundation；
Fig. 3 is the structural representation that the present embodiment gravity type offshore wind turbine foundation is in transit condition；
Fig. 4 is the structural representation that the present embodiment gravity type offshore wind turbine foundation is in sinking state；
Fig. 5 is the structural representation that the present embodiment gravity type offshore wind turbine foundation is in leveling state；
Fig. 6 is the structural representation after the present embodiment gravity type offshore wind turbine foundation installs.
Description of reference numerals:
1, base matrix；10, platform；11, upper down tube；12, lower down tube；2, barrel support；21、
Pointed cone；22, strong rammer hammer mounting interface；23, horizontal stay tube；3, counterweight material；4, strong rammer hammer.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As it is shown in figure 1, the gravity type offshore wind turbine foundation of the present embodiment includes the base matrix with platform 10
1, all sides of base matrix 1 are provided with multiple barrel support 2 being evenly arranged, the inner hollow of barrel support 2 and on
End opening, the bottom of barrel support 2 is provided with pointed cone 21, and the intracavity bottom of barrel support 2 is provided with for installing strong rammer
The strong rammer hammer mounting interface 22 of hammer 4.
The gravity type offshore wind turbine foundation of the present embodiment defines the multiple uniform cloth of all sides with base matrix 1
The barrel support 2 put, as the steel frame construction basis of a plurality of supporting leg of supporting leg, is provided with by the bottom of barrel support 2
Pointed cone 21 can conveniently insert seabed, therefore is not required to open in installation seabed, basis before installing placement
Dig, change and fill out, throw rubble, the stiffening basic ground such as smooth, be thus advantageous to reduce basis installation workload,
Potential Working Time For Operation At Sea installation cost short, basic is low, is not required to manually go to regulate the mode such as bolt, jack, more
It is not required to use the structural member such as spacer shell, foundation ring, is not required to use the mode of foundation ring back-grouting to carry out leveling
Consolidation process, has simple in construction, easy to operate advantage.
In the present embodiment, barrel support 2 is arranged in a vertical direction.It is of course also possible to use inclination as required
Place.For strengthening the stability that barrel support 2 contacts with sea bed, the inner chamber of barrel support 2 is used for loading counterweight material
3, for barrel support 2 being played the effect of weightening finish.
In the present embodiment, base matrix 1 is designed specifically to tubular, and simple in construction, preparation are conveniently.Basis is originally
Down tube 11 and lower down tube 12, each barrel support 2 points it is respectively equipped with between body 1 and barrel support 2
It is not connected with base matrix 1 with lower down tube 12 by upper down tube 11, by upper down tube 11 and declivity
Stay tube 12 is able to ensure that the connection reliability between base matrix 1 and barrel support 2.Additionally, base matrix 1
Can also be designed as cone cylinder shape as required, the present embodiment is not limited to this.
Horizontal stay tube 23 is had as in figure 2 it is shown, connect between adjacent barrel support 2.In the present embodiment, basis
All sides of body 1 are provided with six barrel supports being evenly arranged 2, and six barrel supports being evenly arranged 2 are in six limits
Shape structure, can also adjust barrel support 2 and the quantity of horizontal stay tube 23 so that it is in addition as required in three
The polygonized structures such as dihedral, square, pentagon, its principle is all identical with the present embodiment, does not repeats them here.
The intracavity bottom of barrel support 2 is provided with the strong rammer hammer mounting interface 22 for installing strong rammer hammer, passes through strong rammer
Hammer mounting interface 22 can install strong rammer hammer easily so that the intracavity bottom of strong rammer hammer and barrel support 2 is installed
Coordinate tightr such that it is able to promote the compaction effect of strong rammer hammer.
The construction method of installation of the gravity type offshore wind turbine foundation of the present embodiment comprises the following steps:
1) after the gravity type offshore wind turbine foundation factory by land of the present embodiment is completed parts making, at seashore
Integral manufacturing is completed, then by being to tie up multiple salvaging steel floating drum (buoyancy is pressed: 500 in the dry dock on limit
Ton/, 800 tons/, 1200 tons/... select) increase buoyancy, by the present embodiment after dock water-filling
Gravity type offshore wind turbine foundation floating, carry out self-floating towing by tugboat in place to position, predetermined maritime area, as
Shown in Fig. 3；
2) towage to position, predetermined maritime area in place after, lift strong rammer hammer 4 in each barrel support, (also may be used
4 towages again are hammered into shape in advance in the built-in rear strong rammer of dock) then control to salvage steel floating drum internal gas pressure, and keep appearance
State level, sinks to insert sea bed toward floating drum water filling, as shown in Figure 4；
3) as it is shown in figure 5, strong rammer hammer 4 is rammed, rammed and ram altitude mixture control by multiple spot by the present embodiment
Gravity type offshore wind turbine foundation isostatic settling.The gravity type offshore wind turbine foundation of the present embodiment is being rammed
Behind design supporting course position, carry out ramming fine leveling.
4) as shown in Figure 6, by multiple uniform in polygon on the gravity type offshore wind turbine foundation of the present embodiment
The most balancedly irrigate the counterweight material 3 such as Ore, sandstone, concrete in barrel support 2, become the present embodiment
Gravity type offshore wind turbine foundation.
In sum, the present embodiment proposes a kind of simple in construction, easy to operate gravity type offshore wind turbine base
Plinth, it combine gravity type and stub basis form, and use easy strong rammer hammer carry out basis sink with
Leveling, installs and leveling efficiency such that it is able to significantly improve blower foundation, applied widely, therefore has wide
General practical value and application prospect.
On this basis, the present embodiment additionally provides a kind of offshore wind turbine, including tower and aforesaid gravity type
Offshore wind turbine foundation, is arranged on bottom tower on gravity type offshore wind turbine foundation, owing to have employed this gravity type
Offshore wind turbine foundation, possesses its all advantages, and the present embodiment repeats no more.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. a gravity type offshore wind turbine foundation, including the base matrix (1) with platform (10), it is special
Levy and be: all sides of described base matrix (1) are provided with multiple barrel support (2) being evenly arranged, described support
The inner hollow of bucket (2) and upper end open, the bottom of described barrel support (2) is provided with pointed cone (21).
Gravity type offshore wind turbine foundation the most according to claim 1, it is characterised in that: adjacent support
Connect between bucket (2) and have horizontal stay tube (23).
Gravity type offshore wind turbine foundation the most according to claim 2, it is characterised in that: described basis is originally
Down tube (11) and lower down tube (12) it is respectively equipped with between body (1) and barrel support (2), each
Barrel support (2) is connected with base matrix (1) with lower down tube (12) by upper down tube (11) respectively.
Gravity type offshore wind turbine foundation the most according to claim 1, it is characterised in that: described basis is originally
Body (1) is cone cylinder shape or tubular.
Gravity type offshore wind turbine foundation the most according to claim 1, it is characterised in that: described barrel support
(2) arranging along vertical direction, its inner chamber is used for loading counterweight material (3).
6. according to the gravity type offshore wind turbine foundation according to any one of claim 1-5, it is characterised in that:
The intracavity bottom of described barrel support (2) is provided with strong rammer hammer mounting interface (22) for installing strong rammer hammer (4).
7. a construction method of installation for gravity type offshore wind turbine foundation described in any one of claim 1-6, its
It is characterised by comprising the following steps:
S1, it is to tie up multiple floating drum around described gravity type offshore wind turbine foundation, by its towage to predetermined maritime area
Position；
S2, in each barrel support (2) of described gravity type offshore wind turbine foundation, lift strong rammer hammer (4) respectively,
Controlling floating drum internal gas pressure, water filling in floating drum simultaneously, making described gravity type offshore wind turbine foundation sink until inserting
Enter sea bed；
S3, start each strong rammer hammer (4) corresponding barrel support (2) is rammed, make described gravity type sea
Fan basis entirety continues to sink；
S4, perfusion counterweight material (3) in each barrel support (2).
The construction method of installation of gravity type offshore wind turbine foundation the most according to claim 7, it is characterised in that:
Described floating drum uses salvages steel floating drum.
The construction method of installation of gravity type offshore wind turbine foundation the most according to claim 7, it is characterised in that:
Described counterweight material (3) uses one or more in Ore, sandstone, concrete.
10. an offshore wind turbine, it is characterised in that: include described in tower and any one of claim 1-6
Gravity type offshore wind turbine foundation, is arranged on bottom described tower on described gravity type offshore wind turbine foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513128.7A CN105971002A (en) | 2016-06-30 | 2016-06-30 | Marine fan, gravity type marine fan foundation, and mounting and construction method of gravity type marine fan foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513128.7A CN105971002A (en) | 2016-06-30 | 2016-06-30 | Marine fan, gravity type marine fan foundation, and mounting and construction method of gravity type marine fan foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105971002A true CN105971002A (en) | 2016-09-28 |
Family
ID=56953533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610513128.7A Pending CN105971002A (en) | 2016-06-30 | 2016-06-30 | Marine fan, gravity type marine fan foundation, and mounting and construction method of gravity type marine fan foundation |
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| CN (1) | CN105971002A (en) |
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|---|---|---|---|---|
| CN101255701A (en) * | 2007-01-25 | 2008-09-03 | 天津市海王星海上工程技术有限公司 | At-sea composite foundation |
| CN201756694U (en) * | 2010-07-05 | 2011-03-09 | 天津建岩岩土工程有限公司 | Simple type filing pile hammering hole-forming device |
| CN201785765U (en) * | 2010-08-02 | 2011-04-06 | 中国水电顾问集团华东勘测设计研究院 | Secondary leveling structure for multi-pile base of marine wind power generator set |
| CN102425166A (en) * | 2011-09-09 | 2012-04-25 | 苏州力高建筑工程技术有限公司 | Novel piling method and equipment for foundation construction treatment |
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| CN103184741A (en) * | 2013-03-28 | 2013-07-03 | 天津大学 | Foundation of composite gravity-type offshore wind power generating unit |
| CN103758148A (en) * | 2014-02-13 | 2014-04-30 | 天津大学前沿技术研究院有限公司 | Gravity type offshore wind power foundation capable of towing in self-floating mode and construction method thereof |
| CN105064328A (en) * | 2015-07-21 | 2015-11-18 | 上海市民防地基勘察院有限公司 | Construction device and method for pile foundation |
| CN105155568A (en) * | 2015-07-20 | 2015-12-16 | 三一重型能源装备有限公司 | Offshore wind power generating unit, onshore wind power generating unit foundation and installation method of onshore wind power generating unit foundation |
| KR101629477B1 (en) * | 2016-01-12 | 2016-06-21 | 서광기연 주식회사 | A construction methode of marine structures |
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2016
- 2016-06-30 CN CN201610513128.7A patent/CN105971002A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255701A (en) * | 2007-01-25 | 2008-09-03 | 天津市海王星海上工程技术有限公司 | At-sea composite foundation |
| CN201756694U (en) * | 2010-07-05 | 2011-03-09 | 天津建岩岩土工程有限公司 | Simple type filing pile hammering hole-forming device |
| CN201785765U (en) * | 2010-08-02 | 2011-04-06 | 中国水电顾问集团华东勘测设计研究院 | Secondary leveling structure for multi-pile base of marine wind power generator set |
| CN102425166A (en) * | 2011-09-09 | 2012-04-25 | 苏州力高建筑工程技术有限公司 | Novel piling method and equipment for foundation construction treatment |
| CN102912811A (en) * | 2012-11-22 | 2013-02-06 | 中国水电顾问集团中南勘测设计研究院 | Multi-base gravity type base structure |
| CN103184741A (en) * | 2013-03-28 | 2013-07-03 | 天津大学 | Foundation of composite gravity-type offshore wind power generating unit |
| CN103758148A (en) * | 2014-02-13 | 2014-04-30 | 天津大学前沿技术研究院有限公司 | Gravity type offshore wind power foundation capable of towing in self-floating mode and construction method thereof |
| CN105155568A (en) * | 2015-07-20 | 2015-12-16 | 三一重型能源装备有限公司 | Offshore wind power generating unit, onshore wind power generating unit foundation and installation method of onshore wind power generating unit foundation |
| CN105064328A (en) * | 2015-07-21 | 2015-11-18 | 上海市民防地基勘察院有限公司 | Construction device and method for pile foundation |
| KR101629477B1 (en) * | 2016-01-12 | 2016-06-21 | 서광기연 주식회사 | A construction methode of marine structures |
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Application publication date: 20160928 |
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