CN107386313A - Offshore wind farm jacket construction exempts from leveling cylinder foundation and installation method - Google Patents
Offshore wind farm jacket construction exempts from leveling cylinder foundation and installation method Download PDFInfo
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- CN107386313A CN107386313A CN201710699399.0A CN201710699399A CN107386313A CN 107386313 A CN107386313 A CN 107386313A CN 201710699399 A CN201710699399 A CN 201710699399A CN 107386313 A CN107386313 A CN 107386313A
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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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Abstract
Offshore wind farm jacket construction exempts from leveling cylinder foundation and installation method, includes the offshore wind farm construction jacket being horizontally set on sea bed face, and for fixing the cylinder foundation of offshore wind farm construction jacket.Cylinder foundation includes sleeve, sleeve include positioned at outside outer wall and have the guiding ribs of guide function；It is in integrative-structure that outer wall and guiding ribs are sealed by bottom plate；The sleeve is triangularly arranged provided with three groups or four groups and square arrangement, and sleeve group is fixedly connected into by strengthening strut between adjacent sleeve；Sleeve group is fixed on the top of cylinder by A patterns or Type B formula.Compared to having the advantages that accurate positioning, process are less, it is less to improve operating efficiency, ship machine used, suitable for the marine site of all kinds of clays, sandy strata, too big etc. reason of the off-lying sea deep water that is particularly suitable for use in, supporting course buried depth causes the limited basic offshore wind farm jacket construction of steel-pipe pile application.
Description
Technical field
The present invention relates to the technical field of Oversea wind power generation, is used for off-lying sea profundal zone offshore wind farm more particularly, to one kind
Jacket construction exempts from leveling cylinder foundation and installation method.
Background technology
Wind-powered electricity generation, is exactly wind power generation or wind-power electricity generation, and the principle of wind-power electricity generation is exactly to drive air vane using wind-force
Rotation, to promote electrical power generators.
Wind-power electricity generation is green energy resource technology with fastest developing speed in the world, and the same of fast development is built in landwid electric field
When, it has been observed that some limitations suffered by the wind energy utilization of land, such as the problems such as floor space is big, noise pollution.And
Offshore wind farm (i.e. Oversea wind power generation) is due to its aboundresources, wind speed is stable, the negative effect to environment is less；Offshore wind farm
Wind turbines apart from seashore farther out, noise, vision interference very little；And not only single-machine capacity is big for offshore wind farm unit, annual interest
With hourage height；And land resource is not take up, therefore, developed rapidly in recent years.The fixed needs of offshore wind farm unit
Provided with specially designed foundation structure, at present, the foundation structure of offshore wind farm unit shares two kinds of patterns, i.e. immobilizing foundation and floating
Dynamic basis, wherein immobilizing foundation include pile foundation structure, gravity type foundation structure, negative pressure tub foundation structure and jacket basis
Structure；In offshore wind farm in overseas, the application on jacket basis is more and more common, and the country also has begun to trial and led
Pipe support basis.As one of offshore wind turbine generator foundation structure form jacket basis have in light weight, Stability Analysis of Structures and
The features such as wide adaptation range.
As domestic offshore wind farm is quickly grown in recent years, High-Rise Pile Cap Foundation, single-pile foundation, gravity type foundation, conduit
Frame basis etc. is gradually applied, domestic progressively to increase jacket base application ratio, wherein jacket steel pipe pile foundation in recent years
Using more, its have the advantages that structure stress it is more excellent, it is less demanding to sea bed, be adapted to the off-lying sea depth of water compared with it is deep, speed of application is fast.
But jacket steel pipe pile foundation is there is also process is more, ship machine used is more, leveling positioning is difficult, in steel pipe
The limited marine site application difficult of pile driving construction, application cost is higher, using the problems such as less.
The content of the invention
The purpose of the present invention is aiming at drawbacks described above existing for prior art, there is provided it is marine that one kind is used for off-lying sea profundal zone
Wind-powered electricity generation jacket construction exempts from leveling cylinder foundation and installation method, offshore wind farm jacket cylinder foundation and conventional manifold frame steel
Pipe pile foundation is compared to having the advantages that accurate positioning, process are less, it is less to improve operating efficiency, ship machine used, suitable for all kinds of glutinous
Soil, the marine site of sandy strata, too big etc. reason of the off-lying sea deep water that is particularly suitable for use in, supporting course buried depth cause what steel-pipe pile application was limited
Basic offshore wind farm jacket construction.
The technical solution adopted for the present invention to solve the technical problems is：Applied for off-lying sea profundal zone offshore wind farm jacket
Work exempts from leveling cylinder foundation, includes the offshore wind farm construction jacket being horizontally set on sea bed face, and for fixed sea
The cylinder foundation of upper wind power construction jacket.
Jacket includes the square platform positioned at top；The top of square platform is fixed with for installing wind turbine stake
Vertical tube；The bottom of square platform is provided with four supporting legs outwards overhanged, between adjacent supporting leg by intersection plus
Strong support bar is connected；The bottom of supporting leg is provided with jacket leg fixed vertically.
Cylinder foundation includes sleeve, sleeve include positioned at outside outer wall and have the guiding ribs of guide function；
It is in integrative-structure that outer wall and guiding ribs are sealed by bottom plate；The sleeve is triangularly arranged provided with three groups or four groups and is in
Square arrangement, sleeve group is fixedly connected into by strengthening strut between adjacent sleeve；Sleeve group passes through A patterns or Type B formula
It is fixed on the top of cylinder.
In A patterns, the both sides up and down of sleeve are symmetrically fixed with the cylinder in arc-shaped, are oriented to ribs upper bevel and set
Drum outer wall horn mouth chamfering is consistent.In Type B formula, the outside of sleeve is provided with shear connector, is welded to connect on the outside of shear connector in circle
It is welded to connect on the inside of the inner side of the cylinder of ring-type, shear connector in the outside of sleeve；
The jacket leg of jacket corresponds in the gap being oriented between ribs and guiding ribs for stretching into sleeve respectively；Conduit
Gap between frame leg and sleeve is inoculated with sealing fixed mortar.
The present invention has the advantage that as follows compared with prior art：
（1）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Steel pipe pile foundation needs pile driving barge, and cylinder has only needed
Weight ship, reduces ship machine equipment, saves ship machine expense cost；
（2）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：By more repeatedly shake it is heavy be reduced to cylinder once shake it is heavy,
Reduce working procedure, improve efficiency of construction；
（3）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Jacket cylinder foundation leveling occupies some superiority, can
Hammer linkage more into shape by vibration hammer and shake and perpendicularity is adjusted during heavy cylinder carry out leveling, ensure that the horizontal tolerance of sleeve meets the requirements,
It is convenient and swift；
（4）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Jacket cylinder foundation plane, which is accurately positioned, occupies one
Determine advantage, it is only necessary to be accurately positioned once, and cylinder surrounding sleeve relative position is fixed, and is improved construction precision, is realized
Jacket installation exempts from leveling；
（5）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Jacket cylinder foundation top surface does simple construction platform
It is more convenient, improve operation on the sea safety coefficient；
（6）Mounting condition can be met by having the sleeve for being oriented to reinforcement rib structure to reserve certain rich degree, while solve inner cylinder
Between jacket leg the problem of slip casting density, cylinder can be designed as concrete cylinder in addition, and fixation can take pre-buried set
Cylinder, the fastness that sleeve passes through the pre-buried strengthening system in concrete.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the vertical cross-section structure schematic front view of sleeve of A patterns of the present invention；
Fig. 2 is the sleeve horizontal section structure schematic top plan view of A patterns of the present invention；
Fig. 3 is the vertical cross-section structure schematic front view of sleeve of A patterns of the present invention；
Fig. 4 is the vertical cross-section structure schematic front view of sleeve of A patterns of the present invention；
Fig. 5 is the cylinder foundation overlooking the structure diagram of A patterns of the present invention；
Fig. 6 is the vertical cross-section structure schematic front view of sleeve of Type B formula of the present invention；
Fig. 7 is the cylinder foundation overlooking the structure diagram of Type B formula of the present invention；
Fig. 8 is jacket overall structure diagram of the present invention；
Fig. 9 is jacket of the present invention and cylinder foundation mounting portion structural representation.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
In the description of the invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, the description present invention is for only for ease of, rather than the device or element of instruction or hint meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Exempt from leveling cylinder foundation, its general technical scheme of letter speech for off-lying sea profundal zone offshore wind farm jacket construction
It is：In land processing factory integral manufacturing steel cylinder or precast concrete cylinder, construction marine site is transported to by barge, utilizes crane ship
Hammer the mode of linkage more into shape with hydraulic vibration driver, shake heavy cylinder in place, shake heavy time control rounding cylinder perpendicularity with the heavy rear cylinder that ensures to shake
Top surface is horizontal.Installed using crane ship lifting jacket, jacket suspension column alignment cylinder surrounding sleeve, complete installation.With
High strength grout carries out consolidation grouting in sleeve, and grouting material carries out the construction of the processes such as follow-up anemometer tower, blower fan after consolidating.
Exempt from leveling cylinder foundation for off-lying sea profundal zone offshore wind farm jacket construction, set specifically, including level
The offshore wind farm construction jacket 7 on sea bed face is put, and for fixing the cylinder foundation of offshore wind farm construction jacket 7.
Jacket 7 includes the square platform 71 positioned at top；The top of square platform 71 is fixed with for installing wind-powered electricity generation
The vertical tube 75 of machine stake；The bottom of square platform 71 is provided with four supporting legs 72 outwards overhanged, adjacent supporting leg 72 it
Between be connected by the reinforcement support bar 73 of intersection；The bottom of supporting leg 72 is provided with jacket leg 74 fixed vertically.
Cylinder foundation includes the sleeve 2 of double-layer cavity structure, and sleeve 2 includes positioned at the outer wall 21 in outside and positioned at interior
The guiding ribs 22 of side；Outer wall 21 and to be oriented to the bottom of ribs 22 by the sealing of bottom plate 23 be in integrative-structure, the He of outer wall 21
The top array for being oriented to ribs 22 is fixed with vertically arranged temporary fastening device 3, and temporary fastening device 3 is pacified in cylinder foundation
Removed after the completion of dress；Sleeve 2 is provided with four groups and square arrangement（Determined according to jacket number of legs）, adjacent sleeve 2
Between by strengthening strut 1 be fixedly connected into sleeve group；Sleeve group is fixed on the top of cylinder 4 by A patterns or Type B formula.
In A patterns, the both sides up and down of sleeve 2 are symmetrically fixed with the cylinder 4 in arc-shaped, are welded between sleeve 2 and cylinder 4
There is gusset 5.
In Type B formula, the outside of sleeve 2 is provided with shear connector 6, and the outside of shear connector 6 is welded to connect in the cylinder 4 in annular shape
Inner side, the inner side of shear connector 6 is welded to connect in the outside of sleeve 2.
The jacket leg 74 of jacket 7 corresponds to the gap being oriented between ribs 22 and outer wall 21 for stretching into sleeve 2 respectively
In；Gap between jacket leg 74 and sleeve 2 is inoculated with sealing fixed mortar.
The outer wall 21 of sleeve 2 plays guide effect in wide at the top and narrow at the bottom horn-like, during installation to jacket, beneficial to installation；
Fixed mortar can will be easily sealed simultaneously to be filled in the gap between guiding ribs 22 and outer wall 21.
The corresponding both sides of jacket leg 74 are provided with symmetrical extravasating hole 741；The fixed mortar of sealing is filled in jacket
In gap between leg 74 and outer wall 21, sealing fixed mortar can be added by the inflow catheter frame leg 74 of extravasating hole 741 with being oriented to
In gap between strong rib 22, and then make to be effectively sealed against by sealing fixed mortar inside and outside jacket leg 74
It is fixed.
For the installation method for exempting from leveling cylinder foundation of off-lying sea profundal zone offshore wind farm jacket construction, including following step
Suddenly.
A combination installation cylinder foundations；
For A patterns, the center of ribs 22 and the center of bottom plate 23 are directed to first and is overlapped, is oriented to ribs 22
Welded with the contact position of bottom plate 23；The center of outer wall 21 and the center of bottom plate 23 are overlapped, outer wall 21
The contact position of bottom plate 23 is welded；Form the sleeve 2 of double-layer cavity structure；Array is installed on temporary fastening device 3 respectively
Between the top of outer wall 21 and guiding ribs 22；Four groups of sleeves 2 are put into square, welds and adds between adjacent cylinder 4
Strong strut 1, form the square shaped module of a unitary closed；Cylinder 4 in arc-shaped is respectively welded in the both sides of sleeve 2,
It is welded to each other two-by-two, the annular of overall composition closure；Sleeve 2 and cylinder 4 are welded with gusset 5 again；Complete A patterns combination peace
Dress.
For Type B formula,
The center of ribs 22 and the center of bottom plate 23 are directed to first to overlap, and are oriented to ribs 22 and bottom plate 23
Contact position is welded；The center of outer wall 21 and the center of bottom plate 23 are overlapped, the bottom plate 23 of outer wall 21 connects
Welded tactile position；Form the sleeve 2 of double-layer cavity structure；Array is installed on outer wall 21 and led temporary fastening device 3 respectively
To between the top of ribs 22；Four groups of sleeves 2 are put into square, keep shear connector 6 vertically external；Adjacent cylinder 4
Between welding strengthen strut 1, formed a unitary closed square shaped module.
The shear connector 6 in sleeve 2, the annular of overall composition closure is respectively welded in cylinder 4 in annular shape；Complete B
Pattern combination installation.
In processing factory's integral manufacturing steel cylinder or precast concrete cylinder, tube coupling appearance and size tolerance requires as follows：
。
After A patterns or the combination installation of Type B formula, every weld seam that butt welding is formed carries out ultrasonic examination；Ultrasonic examination
After errorless, paint spraying is carried out to A patterns or Type B formula；Be placed in after the completion of paint spraying in ventilated environment dry it is standby.
Include following components using aqueous antirust paint, aqueous antirust paint in paint spraying operation：Acrylic resin
20-29 parts, chlorinated rubber 11-18 parts, aluminium triphosphate 4-9 parts, modified nano montmorillonite powder 7-18 parts, silica spherolite 31-
43 parts, maleic anhydride 12-25 parts, water high light pool varnish 10-19 parts, linolenic acid 15-25 parts, levelling agent 19-22 parts, defoaming
Agent 5-7 parts.
B transports the cylinder foundation in step a to construction marine site by barge, to prevent cylinder foundation from colliding with during transport
Deform or fall to paint；The GPS positioning system of position is stayed by crane ship and barge, it is determined that to be installed the specific of cylinder foundation
Behind address, crane ship and barge cast anchor in position；Linkage is hammered into shape using crane ship and hydraulic vibration driver more, connects the rotation of every vibration hammer
Rotating shaft, pressure realize that the speed of vibration hammer is synchronous with phase, tentatively shake heavy cylinder foundation in place；Shake and control cylinder during sinking
Basic perpendicularity ＜ 3 ‰.
C is by the horizontal leveling of cylinder foundation carry out for sinking to position of tentatively shaking；Detector perpendicularity detector and height sensor are distinguished
The top of sleeve 2 is placed in, the perpendicularity parameter and height parameter detected by detector perpendicularity detector and height sensor utilizes
Hydraulic vibration driver is adjusted, the cylinder foundation after adjustment, ensures cylinder foundation overall perpendicularity parameter ＜ 3 ‰, Ge Getao
The difference of 2 height parameters of cylinder, maximum height parameter and minimum constructive height parameter is between 5-10mm.
D installs to jacket 7；It is vertical to lift by crane jacket 7 using GPS location on crane ship, it is directed at steel cylinder sleeve
Slowly decentralization, and dived beneath the water and commanded by diver, jacket leg 74 is all put into the guiding ribs of cylinder foundation
In gap between 22 and outer wall 21, precalculated position installation.
After horizontal tolerance is adjusted, temporary fastening device 3 is individually fixed in by jacket leg 74 using Underwater Welding, is oriented to
Between ribs 22 and outer wall 21；After fixing, the gap that fixed mortar is filled between jacket leg 74 and outer wall 21 is sealed
In；The fixed mortar of sealing can by the inflow catheter frame leg 74 of extravasating hole 741 and the gap being oriented between ribs 22, and then
Make to carry out effectively sealing against fixation by sealing fixed mortar inside and outside jacket leg 74；Test block has been stayed to carry out after slip casting
Cured under same condition, intensity of test block to more than 100% are to carry out subsequent construction after grouting material consolidates.
The present invention has the advantage that as follows compared with prior art：
（1）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Steel pipe pile foundation needs pile driving barge, and cylinder has only needed
Weight ship, reduces ship machine equipment, saves ship machine expense cost；
（2）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：By more repeatedly shake it is heavy be reduced to cylinder once shake it is heavy,
Reduce working procedure, improve efficiency of construction；
（3）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Jacket cylinder foundation leveling occupies some superiority, can
Hammer linkage more into shape by vibration hammer and shake and perpendicularity is adjusted during heavy cylinder carry out leveling, it is convenient and swift；
（4）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Jacket cylinder foundation plane, which is accurately positioned, occupies one
Determine advantage, it is only necessary to be accurately positioned once, and cylinder surrounding sleeve relative position is fixed, and improves construction precision；
（5）Jacket cylinder foundation is compared with jacket steel pipe pile foundation：Jacket cylinder foundation top surface does simple construction platform
It is more convenient, improve operation on the sea safety coefficient.
Although the various embodiments described above are described, those skilled in the art once know basic wound
The property made concept, then other change and modification can be made to these embodiments, so these are only embodiments of the invention, not
Therefore the scope of patent protection of the present invention is limited, every equivalent structure made using description of the invention and accompanying drawing content or is waited
Flow conversion is imitated, or is directly or indirectly used in other related technical areas, is similarly included in the patent protection of the present invention
Within the scope of.
Claims (5)
1. offshore wind farm jacket construction exempts from leveling cylinder foundation, include the offshore wind farm being horizontally set on sea bed face and apply
Work jacket（7）, and for fixing the cylinder foundation of offshore wind farm construction jacket 7；It is characterized in that：
The jacket（7）Include the square platform positioned at top（71）；Square platform（71）Top be fixed with for pacifying
Fill the vertical tube of wind turbine stake（75）；Square platform（71）Bottom be provided with four supporting legs outwards overhanged（72）, it is adjacent
Supporting leg（72）Between pass through the reinforcement support bar of intersection（73）It is connected；Supporting leg（72）Bottom be provided with it is vertical fixed
Jacket leg (74)；
The cylinder foundation includes cylinder（1）And sleeve（2）；Sleeve（2）Include the outer wall positioned at outside（21）And position
Guiding ribs in inner side（22）；Sleeve passes through bottom plate（23）Sealing is in integrative-structure；The sleeve（2）If three groups or four groups
And be in equilateral triangle or square arrangement, adjacent sleeve（2）Between by strengthening strut（3）It is fixedly connected into sleeve group；Institute
State sleeve group and cylinder is fixed on by A patterns or Type B formula（1）Top；
In the A patterns, sleeve（2）Both sides up and down be symmetrically fixed with cylinder in arc-shaped（4）, sleeve（2）And cylinder（4）
Between be welded with gusset（5）；
In the Type B formula, sleeve（2）Outside be provided with shear connector（6）, shear connector（6）Outside be welded to connect in annular shape
Cylinder（4）Inner side, shear connector（6）Inner side be welded to connect in sleeve（2）Outside；
The jacket leg of jacket corresponds to stretch into sleeve respectively（2）Gap in；Jacket leg (74) and sleeve（2）Between between
Gap is inoculated with sealing fixed mortar.
2. offshore wind farm jacket construction according to claim 1 exempts from leveling cylinder foundation, it is characterised in that sleeve with
Cylinder is integrally machined making, and control three or four sleeve relative elevations are consistent, in the heavy construction of cylinder vibration, is justified by controlling
The perpendicularity of cylinder, the horizontal tolerance of control sleeve, meet that jacket installation exempts from leveling, the horizontal tolerance review of jacket once mounting will
Ask.
3. offshore wind farm jacket construction according to claim 1 exempts from leveling cylinder foundation, it is characterised in that sleeve
（2）Outer wall（21）In wide at the top and narrow at the bottom horn-like；It is consistent with the horn mouth chamfering of sleeve outer wall to be oriented to chamfer on ribs.
4. offshore wind farm jacket construction according to claim 1 exempts from leveling cylinder foundation, it is characterised in that jacket
The corresponding both sides of leg (74) are provided with symmetrical extravasating hole（741）.
5. the installation method for exempting from leveling cylinder foundation of offshore wind farm jacket construction, it is characterised in that comprise the following steps：
（a）Combination installation cylinder foundation；
For A patterns, first by outer wall（21）Center and bottom plate（23）Center overlap welded, be oriented to plus
Strong rib（22）And bottom plate（23）Contact position welded；By sleeve（2）Put into triangle or square, adjacent cylinder
（4）Between welding strengthen strut（1）, the square shaped module of one unitary closed of formation；By in the cylinder of arc-shaped（4）Weld respectively
It is connected to sleeve（2）Both sides, be welded to each other two-by-two, the annular of overall composition closure；Sleeve（2）And cylinder（4）It is welded with again
Gusset（5）；Complete the combination installation of A patterns；
For Type B formula, first by outer wall（21）Center and bottom plate（23）Center overlap welding；It is oriented to ribs
（22）With bottom plate（23）Contact position welded；By sleeve（2）Triangle or square are put into, keeps shear connector（6）
It is vertical external；Adjacent cylinder（4）Between welding strengthen strut（1）, formed unitary closed triangle or square group
Part；
By in the cylinder of annular shape（4）It is respectively welded in sleeve（2）Shear connector（6）, the annular of overall composition closure；Complete
The combination installation of Type B formula；
After A patterns or the combination installation of Type B formula, every weld seam that butt welding is formed carries out ultrasonic examination；Ultrasonic examination is errorless
Afterwards, paint spraying is carried out to A patterns or Type B formula；Be placed in after the completion of paint spraying in ventilated environment dry it is standby；
Include following components using aqueous antirust paint, aqueous antirust paint in paint spraying operation：Acrylic resin 20-29
Part, chlorinated rubber 11-18 parts, aluminium triphosphate 4-9 parts, modified nano montmorillonite powder 7-18 parts, silica spherolite 31-43 parts,
Maleic anhydride 12-25 parts, water high light pool varnish 10-19 parts, linolenic acid 15-25 parts, levelling agent 19-22 parts, defoamer 5-7
Part；
（b）By step（a）In cylinder foundation by barge transport to construction marine site, to prevent cylinder foundation from colliding with during transport
Deform or fall to paint；The GPS positioning system of position is stayed by crane ship and barge, it is determined that to be installed the specific of cylinder foundation
Behind address, crane ship and barge cast anchor in position；Linkage is hammered into shape using crane ship and hydraulic vibration driver more, connects the rotation of every vibration hammer
Rotating shaft, pressure realize that the speed of vibration hammer is synchronous with phase, tentatively shake heavy cylinder foundation in place；Shake and control cylinder during sinking
Basic perpendicularity ＜ 3 ‰；
（c）By the horizontal leveling of cylinder foundation carry out for sinking to position of tentatively shaking；Detector perpendicularity detector and height sensor are put respectively
In sleeve（2）Top, the perpendicularity parameter detected by detector perpendicularity detector and height sensor and height parameter utilize
Hydraulic vibration driver is adjusted, the cylinder foundation after adjustment, ensures cylinder foundation overall perpendicularity parameter ＜ 3 ‰, Ge Getao
Cylinder（2）The difference of height parameter, maximum height parameter and minimum constructive height parameter is between 5-10mm；
（d）To jacket（7）Installed；Using GPS location on crane ship, jacket is lifted by crane vertically（7）, it is directed at steel cylindrical sleeve
Cylinder slowly decentralization, and dived beneath the water and commanded by diver, the guiding that jacket leg (74) is all put into cylinder foundation add
Strong rib（22）And outer wall（21）Between gap in, precalculated position installation；
After the completion of jacket installation, seal fixed mortar and be filled in jacket leg (74) and outer wall（21）Between gap in；It is close
Mortar is determined in sealing can pass through extravasating hole（741）Inflow catheter frame leg (74) is with being oriented to ribs（22）Between gap in, enter
And make to carry out effectively sealing against fixation by sealing fixed mortar inside and outside jacket leg (74)；Test block has been stayed after slip casting
Cured under same condition is carried out, intensity of test block to more than 100% is to carry out subsequent construction after grouting material consolidates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699399.0A CN107386313B (en) | 2017-08-16 | 2017-08-16 | Leveling-free cylinder foundation for offshore wind power jacket construction and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699399.0A CN107386313B (en) | 2017-08-16 | 2017-08-16 | Leveling-free cylinder foundation for offshore wind power jacket construction and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107386313A true CN107386313A (en) | 2017-11-24 |
| CN107386313B CN107386313B (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710699399.0A Active CN107386313B (en) | 2017-08-16 | 2017-08-16 | Leveling-free cylinder foundation for offshore wind power jacket construction and installation method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201506979U (en) * | 2009-09-14 | 2010-06-16 | 中国水利水电科学研究院 | Grouting connection structure for pile foundation and jacket leg of offshore wind turbine |
| CN103469808A (en) * | 2013-09-24 | 2013-12-25 | 广东明阳风电产业集团有限公司 | Offshore wind turbine foundation integrating concrete caisson and jacket |
| CN104612177A (en) * | 2015-02-02 | 2015-05-13 | 广州华申建设工程管理有限公司 | Inserted type steel cylinder and steel truss combined foundation and construction method thereof |
-
2017
- 2017-08-16 CN CN201710699399.0A patent/CN107386313B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201506979U (en) * | 2009-09-14 | 2010-06-16 | 中国水利水电科学研究院 | Grouting connection structure for pile foundation and jacket leg of offshore wind turbine |
| CN103469808A (en) * | 2013-09-24 | 2013-12-25 | 广东明阳风电产业集团有限公司 | Offshore wind turbine foundation integrating concrete caisson and jacket |
| CN104612177A (en) * | 2015-02-02 | 2015-05-13 | 广州华申建设工程管理有限公司 | Inserted type steel cylinder and steel truss combined foundation and construction method thereof |
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| Publication number | Publication date |
|---|---|
| CN107386313B (en) | 2020-02-11 |
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