CN110453712A - A kind of combined cylinder buoyancy tank foundation structure and its construction method - Google Patents
A kind of combined cylinder buoyancy tank foundation structure and its construction method Download PDFInfo
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- CN110453712A CN110453712A CN201910573944.0A CN201910573944A CN110453712A CN 110453712 A CN110453712 A CN 110453712A CN 201910573944 A CN201910573944 A CN 201910573944A CN 110453712 A CN110453712 A CN 110453712A
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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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
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Abstract
The invention belongs to the infrastructure technologies fields of ocean engineering, disclose a kind of combined cylinder buoyancy tank foundation structure and its construction method, foundation structure includes the steel tube structure with subdivision structure, steel buoyancy tank is connected at the top of steel tube structure, steel buoyancy tank center offers circular through hole, and steel buoyancy tank is internally provided with a middle ring floor, an inner ring floor, multiple radial rib plates and multiple connectors；Steel buoyancy tank top is connected with changeover portion pylon, and changeover portion pylon is for connecting top wind power equipment；Its construction method includes land fabrication, bank lifting, towage waterborne, self weight sinking, negative pressure sinking, reinforcing of drawing water, grouting treatment.The present invention has both jacket basis, gravity type foundation and the characteristics of suction bucket foundation, and while bearing power increase, transport mounting means is easy, can be recycled and recycles, and construction cost substantially reduces.
Description
Technical field
The present invention relates to a kind of infrastructure technologies fields of ocean engineering, in particular to a kind of composite tube group
Close foundation structure and its construction method.
Background technique
At sea wind-powered electricity generation power field, the form of blower foundation mainly have gravity type foundation, jacket basis, cartridge type at present
Basis, pile foundation, buoyant foundation etc..
Traditional gravity type foundation structure is simple, and overall cost is relatively low, is mainly supported by self weight and inner stuffing
Horizontal force resistant and tilting moment are to keep stable structure, but gravity type foundation is only applicable to the shallower sea area of the depth of water, with the depth of water
Increase, economy cannot not only embody, and cost is higher than other types basis instead.Meanwhile gravity type foundation needs ground
Base bearing capacity with higher, therefore construction placement can not be carried out in Muddy Bottoms sea area.Suction type bucket foundation form is simple, holds
It is strong to carry power, transport installation is simple, and recycling is easy, and sheath skirt stability against slope is higher, and it is lower to be suitable for the softer infiltration coefficient of soil property
Neritic area.With the increase of the depth of water, stormy waves stream load becomes larger, and the bucket foundation that big moment load needs is relatively large in diameter, and transports
The processes such as defeated and installation need large scale equipment, while soil property distributed pole is uneven and the area of rock distribution is difficult to be applicable in.
And jacket structure can avoid the complicated procedures such as marine casting concrete, have that offshore construction amount is small, installation speed is fast, cost
Low, environmental carrying capacity is relatively strong, can be suitable for the features such as larger depth of water.
Summary of the invention
The present invention puts forth effort on solution above-mentioned technical problem, big in conjunction with the jacket structure adaptation depth of water, bucket foundation installation side
Just, cheap, recoverable and gravity type foundation are at low cost, and the strong feature of bearing capacity proposes a kind of combined multiple
Cylinder buoyancy tank foundation structure and its construction method are closed, while having the advantages that buoyant foundation, gravity type foundation and jacket basis,
Bearing capacity is high, installation and transportation are convenient, and applied widely, cost substantially reduces.
In order to solve the above-mentioned technical problem, the present invention is achieved by technical solution below:
A kind of combined cylinder buoyancy tank foundation structure, the steel tube structure including having multiple cabins, multiple cabins include
One intermediate cabin and the multiple wing tanks for being trapped among intermediate cabin periphery；The steel tube structure is connected with steel buoyancy tank；The steel buoyancy tank
Center offers through-hole, and the through-hole makes the intermediate cabin of the steel tube structure be in communication with the outside；Setting inside the steel buoyancy tank
There are middle ring floor, inner ring floor and a radial rib plate, the middle ring floor, the inner ring floor and the radial rib plate are by the steel
Buoyancy tank processed is divided into multiple regions；Even circumferential is provided with the first connector, the inner ring floor on the middle ring floor
Upper even circumferential is provided with the second connector；
Steel buoyancy tank top is connected with changeover portion pylon, and the changeover portion pylon is for connecting top wind power equipment；
The changeover portion pylon includes more identical columns, and the quantity of the column is identical as the quantity of first connector；It is more
The bottom of column described in root connects one to one with first connector respectively；Branch is connected between adjacent two columns
Strut constitutes truss type steel structure；Brace is connected between the column and second connector；Inside the every column
It is respectively arranged with air-liquid pipeline, grout lines and liquid level sensor, the air-liquid pipeline is extended respectively to by the column
Inside each wing tank of the steel tube structure, the grout lines are extended to each region of the steel buoyancy tank by the column
It is internal.
Further, each wing tank of the steel tube structure is internally provided with the air pressure sensing for monitoring air pressure change
Device.
Further, the diameter of the steel tube structure is 10-50m, is highly a quarter of its diameter to half.
Further, the cross section of the steel buoyancy tank is circle, and the circle is consistent with the diameter of the steel tube structure；Institute
Through-hole that steel buoyancy tank center opens up is stated as circle, and diameter be the outer diameter of the steel buoyancy tank 1 to five/10ths/
One.
Further, first connector and the second connector are steel round tube, are highly the steel buoyancy tank
1.1-1.5 times of height, the part caliber beyond the steel buoyancy tank height gradually become smaller.
Further, the more columns are tilted with identical angle to foundation structure center from the bottom to top.
A kind of construction method of said combination formula composite tube buoyancy tank foundation structure carries out in accordance with the following steps:
(1) after land fabrication has the steel tube structure, steel buoyancy tank, changeover portion pylon of subdivision structure, by the steel cylinder knot
Structure is welded with the steel buoyancy tank, the changeover portion pylon, completes the assembling of combined cylinder buoyancy tank foundation structure；
(2) the combined cylinder buoyancy tank foundation structure is hung in water, checks air-tightness, require to utilize according to towage
The air-liquid pipeline inside the column of the changeover portion pylon is evacuated from each wing tank of multiple steel tube structures
Or inflate the drinking water for adjusting the steel cylinder；The column of the last changeover portion pylon fills the water fluid-tight；
(3) the combined cylinder buoyancy tank foundation structure is subjected to transportation by driving towage；
(4) it after the combined cylinder buoyancy tank foundation structure being transported to specified sea area, is carried out certainly first with basis self weight
Sink again, the air-liquid pipeline inside the column is recycled to carry out under negative pressure from drawing water in multiple steel cylinders to foundation structure
It is heavy, sink to designated position；
(5) sinking terminates to continue to draw water, until reinforcing to the soil body inside the steel tube structure；
(6) after the completion of consolidation process, using the grout lines inside the column to being filled inside the steel buoyancy tank
Water process or grouting treatment；
(7) after the completion of Irrigation levels or grouting treatment are handled, top wind power equipment is lifted, installation waterborne is carried out, has constructed
At.
Further, during the transportation by driving towage of step (3), by the column after internal water flooding fluid-tight and its interior
The level detection equipment in portion, observes the situation of change of liquid after fluid-tight inside each column, and preliminary judgement basis structure is
No holding equilibrium state is leveled if any the inclination for deviateing equilbrium position.
Further, it during the self weight of step (4) is sunk, is adjusted by filling the water or drawing water into the steel buoyancy tank
Save the fall rate of foundation structure.
Further, during the negative pressure of step (4) is sunk, increased by the wing tank of the steel tube structure in updip
Pumping rate and/or the steel tube structure having a down dip wing tank inflation or water-filling, carry out Levelling operation.
The beneficial effects of the present invention are:
Combined cylinder buoyancy tank foundation structure of the invention and its construction method, by the steel cylinder knot for having multiple cabins
Structure, a steel buoyancy tank and changeover portion pylon are composed；Top changeover portion pylon is floating as jacket structure, intermediate steel
Box structure, as suction bucket foundation, has both jacket structure, gravity-type structure and suction as ballast compartment, lower part steel tube structure
The characteristics of power cylinder-shaped foundation structure.
The changeover portion pylon on top is connect by connector with steel buoyancy tank, can by wind suffered by changeover portion pylon,
The loads Transmit evenlies such as wave, stream and blower fan tower barrel give steel buoyancy tank, avoid stress concentration, improve holding for changeover portion pylon
Loading capability and fatigue strength.
Intermediate steel buoyancy tank bears the load of changeover portion pylon transmitting, wherein annular plate passes through connector and transition
To together, annular plate is connected with each other with radial rib plate section pylon root weld again, disperses the load transmitted uniformly
To entire steel buoyancy tank, and pass to the steel tube structure of lower part.Foundation structure steel buoyancy tank when being sunk is floated as real
Body provides the buoyancy of constant magnitude for structure, it is more stable in self weight sinking watching to make foundation structure, while can pass through
Infusing/drawing water into foundation structure remains at fall rate in one controllable and stable range, avoids because under structure
Settling velocity rate excessive impact seabed destroys basis.After sinking, to steel buoyancy tank inside be in the milk or pour water, Ke Yijin
One step lay a good foundation, and integrally-built pedestal is become, the self weight of foundation structure is improved, it is made to resist tilting moment
Ability greatly increases, therefore combined cylinder buoyancy tank foundation structure of the invention has the characteristics that gravity type foundation.
The steel tube structure of lower part is during carrying out whole transportation by driving, by may be implemented to inflating inside multiple wing tanks
The whole self-floating towing of structure, while air pressure changes in multiple steel cylinders when structure run-off the straight shaking, forms restoring moment,
The certainly floating stability of structure can largely be kept.It, can be by changing multiple sides during carrying out negative pressure sinking
The pumping rate in cabin levels structure, and steel tube structure is divided into intermediate cabin and is trapped among multiple wing tanks on intermediate cabin periphery, improves
The lateral rigidity of steel cylinder prevents sheath skirt in sinking watching from buckling phenomenon occurs, and being conducive to equably will be under the transmitting of steel buoyancy tank
The load come is transmitted in the soil body, therefore combined cylinder buoyancy tank foundation structure of the invention has the characteristics that bucket foundation.
Detailed description of the invention
Fig. 1 is the schematic perspective view of combined cylinder buoyancy tank foundation structure provided by the present invention；
Fig. 2 is the vertical view visual angle schematic diagram of combined cylinder buoyancy tank foundation structure provided by the present invention；
Fig. 3 is that combined cylinder buoyancy tank foundation structure provided by the present invention looks up visual angle schematic diagram；
Fig. 4 is the structural decomposition diagram of combined cylinder buoyancy tank foundation structure provided by the present invention；
Fig. 5 is the structural schematic diagram of steel buoyancy tank in combined cylinder buoyancy tank foundation structure provided by the present invention；
Fig. 6 is the structural schematic diagram of changeover portion in combined cylinder buoyancy tank foundation structure provided by the present invention；
In figure: 1, steel tube structure；2, steel buoyancy tank, 21, top plate, 22, bottom plate, 23, outer panel, 24, interior plate, 25, in
Ring floor, 26, inner ring floor, 27, radial rib plate, the 28, first connector, the 29, second connector；3, changeover portion pylon, 31, vertical
Column, 32, support rod, 33, brace.
Specific embodiment
For that can further appreciate that summary of the invention of the invention, feature and effect, the following examples are hereby given, and cooperates attached drawing
Detailed description are as follows:
As shown in Figures 1 to 4, present embodiment discloses a kind of combined cylinder buoyancy tank foundation structures, mainly include band
There is the changeover portion pylon 3 of steel buoyancy tank 2, one of steel tube structure 1, one in multiple cabins.
Steel tube structure 1 be upper lower open mouth steel cylinder shape structure, diameter 10-50m, highly for its diameter four/
One arrives half.It is divided into seven cabins by 12 blocks of identical steel plates inside steel tube structure 1, including in a regular hexagon
Between cabin and be trapped among six wing tanks on intermediate cabin periphery.Each wing tank of steel tube structure 1 is internally provided with a baroceptor, uses
Air pressure change in monitoring installation process inside wing tank.
1 top of steel tube structure is connect with a steel buoyancy tank 2 jointly.The center of steel buoyancy tank 2 offers through-hole, the through-hole
So that the intermediate cabin of steel tube structure 1 is in communication with the outside, generates interference in transportation by driving towage and negative pressure sinking watching to avoid it.Steel
The cross section of buoyancy tank 2 is circle, and the circle is consistent with the diameter of steel tube structure 1.The height of steel buoyancy tank 2 is usually steel buoyancy tank
10 to the ten/10ths 1/5th of 2 outer diameters.When the through-hole that 2 center of steel buoyancy tank opens up is round, diameter is usually steel
/ to five/10ths of the outer diameter of buoyancy tank 2.
In one embodiment of the invention, as shown in figure 5, steel buoyancy tank 2 by top plate 21, bottom plate 22, outer panel 23,
Interior plate 24, middle ring floor 25, inner ring floor 26, radial rib plate 27, the first connector 28, the second connector 29 composition.Top plate
21 and bottom plate 22 diameter it is consistent with the diameter of steel tube structure 1, there is the identical circular hole of diameter at top plate 21 and the center of bottom plate 22, should
The diameter of circular hole is 1st/1 to five/10ths of 22 diameter of top plate 21 or bottom plate.It is top plate 21, bottom plate 22, outer panel 23, interior
Side plate 24 surrounds the intermediate cylindrical cavity structure for having circular through hole, and cylindrical cavity structure is internally provided with a middle ring rib
Plate 25, inner ring floors 26, a multiple radial rib plates 25, are divided into multiple regions for 2 inner space of steel buoyancy tank.Middle ring floor
25 settings are external in the intermediate cabin of steel tube structure 1 in 2 bosom position of steel buoyancy tank, the circle that projection is formed downwards of middle ring floor 25
Regular hexagon.Three the first connectors 28 are vertically arranged, and even circumferential is distributed on middle ring floor 25.In this way, for
The first connector 28 that column 31 connects is respectively positioned on the surface on three vertex in cabin among the regular hexagon of steel tube structure 1, due to
Nearby rigidity is larger on the vertex in intermediate cabin, can effectively reduce the deformation of 2 bottom plate of steel buoyancy tank.Three the second connectors 29 are vertical
Setting, and it is arranged one in the midpoint of 28 line of the first connector of each adjacent two.Inner ring floor 26 is external in three
Two connectors 29, three the second connectors 29 even circumferential on inner ring floor 26 are distributed.18 radial rib plates 25 are from inside
Plate 24 is radially extended to outer panel 23 and being arranged radially along steel buoyancy tank 2.First connector 28 and the second connector 29 are
For steel round tube, height is generally 1.1-1.5 times of 2 height of steel buoyancy tank, and the first connector 28 or the second connector 29 surpass
The part caliber of 2 height of steel buoyancy tank gradually becomes smaller out, in order to weld with changeover portion pylon 3.
2 top of steel buoyancy tank is connected with changeover portion pylon 3, and changeover portion pylon 3 is for connecting top wind power equipment.In this hair
In a kind of bright embodiment, as shown in fig. 6, changeover portion pylon 3 is by three identical columns 31, several support rods 32, the six roots of sensation
Brace 33 is constituted, and the quantity of column 31 should be identical as the quantity of the first connector 28.The bottom of three root posts 31 is located at
The surface of three first connectors 28, and connecting one to one with the first connector 28, three root posts 31 from the bottom to top with
Identical angle is tilted to foundation structure center.Several support rods 32 are connected between per adjacent two root posts 31, constitute truss
Formula steel construction.Two braces 33 are provided between per adjacent two root posts 31, two 33 upper ends of brace are connected on column 31, and two
33 lower end of root brace crosses together and (the second connector 29 is centered at two the first adjacent connectors with the second connector 29
28) it is connected.
Air-liquid pipeline, grout lines and liquid level sensor are respectively arranged with inside each column 21.Air-liquid pipeline by
Each column 21 extends respectively to inside each wing tank of steel tube structure 1, and grout lines extend to steel buoyancy tank 2 by each column
Each region inside.Liquid level sensor during towage for passing through the liquid level of liquid after observation 21 inside fluid-tight of column
Height change judges the atmospheric pressure state in each wing tank of steel tube structure 1 corresponding to 21 bottom of column.
The construction method of said combination formula composite tube buoyancy tank foundation structure specifically carries out in accordance with the following steps:
(1) after the steel tube structure 1, steel buoyancy tank 2, changeover portion pylon 3 of land subdivision structure, by steel tube structure 1 and steel
Buoyancy tank 2, changeover portion pylon 3 are welded, and the assembling of combined cylinder buoyancy tank foundation structure is completed.
(2) combined cylinder buoyancy tank foundation structure is hung in water, checks air-tightness, required to utilize transition according to towage
Air-liquid pipeline inside the column 31 of section pylon 3 is evacuated or inflates from each wing tank of steel tube structure 1, adjusts steel tube structure 1
Drinking water；The column 31 of last changeover portion pylon 3 fills the water fluid-tight.
(3) combined cylinder buoyancy tank foundation structure is subjected to transportation by driving towage；During transportation by driving towage, pass through inside
The level detection equipment of column 21 and its inside after filling the water fluid-tight, observes the variation feelings of liquid after each 21 inside fluid-tight of column
Whether condition, preliminary judgement basis structure keep equilibrium state, are leveled if any the inclination for deviateing equilbrium position.
(4) after combined cylinder buoyancy tank foundation structure being transported to specified sea area, under being self-possessed first with basis
Heavy, this adjusts the fall rate of foundation structure by filling the water or drawing water into steel buoyancy tank 2 in the process.It recycles in column 21
The air-liquid pipeline in portion is drawn water from each wing tank of steel tube structure 1 carries out negative pressure sinking to foundation structure, sinks to designated position；
By 1 wing tank of the steel tube structure increase pumping rate in updip and/or in 1 wing tank of steel tube structure having a down dip in negative pressure sinking watching
Inflation or water-filling carry out Levelling operation.
(5) sinking terminates to continue to draw water, until reinforcing to the soil body inside steel tube structure 1；
(6) after the completion of consolidation process, using the grout lines inside the column 21 of changeover portion pylon 3, into steel buoyancy tank 2
Portion carries out Irrigation levels or grouting treatment；
(7) after the completion of Irrigation levels or grouting treatment are handled, top wind power equipment is lifted, installation waterborne is carried out, has constructed
At.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of specific transformation, within these are all belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of combined cylinder buoyancy tank foundation structure, the steel tube structure including having multiple cabins, multiple cabins include one
A intermediate cabin and the multiple wing tanks for being trapped among intermediate cabin periphery；It is characterized in that, the steel tube structure is connected with steel buoyancy tank；It is described
Steel buoyancy tank center offers through-hole, and the through-hole makes the intermediate cabin of the steel tube structure be in communication with the outside；The steel buoyancy tank
It is internally provided with middle ring floor, inner ring floor and radial rib plate, the middle ring floor, the inner ring floor and the radial rib plate
The steel buoyancy tank is divided into multiple regions；Even circumferential is provided with the first connector on the middle ring floor, described
Even circumferential is provided with the second connector on inner ring floor；
Steel buoyancy tank top is connected with changeover portion pylon, and the changeover portion pylon is for connecting top wind power equipment；It is described
Changeover portion pylon includes more identical columns, and the quantity of the column is identical as the quantity of first connector；More institutes
The bottom for stating column connects one to one with first connector respectively；Support rod is connected between adjacent two columns
Constitute truss type steel structure；Brace is connected between the column and second connector；Inside the every column respectively
It is provided with air-liquid pipeline, grout lines and liquid level sensor, the air-liquid pipeline is extended respectively to described by the column
Inside each wing tank of steel tube structure, the grout lines are extended to by the column in each region of the steel buoyancy tank
Portion.
2. a kind of combined cylinder buoyancy tank foundation structure according to claim 1, which is characterized in that the steel tube structure
Each wing tank be internally provided with the baroceptor for monitoring air pressure change.
3. a kind of combined cylinder buoyancy tank foundation structure according to claim 1, which is characterized in that the steel tube structure
Diameter be 10-50m, be highly a quarter of its diameter to half.
4. a kind of combined cylinder buoyancy tank foundation structure according to claim 1, which is characterized in that the steel buoyancy tank
Cross section be circle, the circle is consistent with the diameter of the steel tube structure；The through-hole that steel buoyancy tank center opens up is circle
Shape, and diameter is 1st/1 to five/10ths of the outer diameter of the steel buoyancy tank.
5. a kind of combined cylinder buoyancy tank foundation structure according to claim 1, which is characterized in that first connection
Part and the second connector are steel round tube, are highly 1.1-1.5 times of the steel buoyancy tank height, floating beyond the steel
The part caliber of case height gradually becomes smaller.
6. a kind of combined cylinder buoyancy tank foundation structure according to claim 1, which is characterized in that the more columns
Tilted from the bottom to top with identical angle to foundation structure center.
7. a kind of construction method of the combined cylinder buoyancy tank foundation structure as described in claim 1-6, which is characterized in that press
It is carried out according to following steps:
(1) after land fabrication is with the steel tube structure of subdivision structure, steel buoyancy tank, changeover portion pylon, by the steel tube structure with
The steel buoyancy tank, the changeover portion pylon are welded, and the assembling of combined cylinder buoyancy tank foundation structure is completed；
(2) the combined cylinder buoyancy tank foundation structure is hung in water, checks air-tightness, according to towage requirement utilization
The air-liquid pipeline inside the column of changeover portion pylon is evacuated or beats from each wing tank of multiple steel tube structures
The drinking water of steel cylinder described in controlled atmosphere section；The column of the last changeover portion pylon fills the water fluid-tight；
(3) the combined cylinder buoyancy tank foundation structure is subjected to transportation by driving towage；
(4) after the combined cylinder buoyancy tank foundation structure being transported to specified sea area, under being self-possessed first with basis
It is heavy, it recycles the air-liquid pipeline inside the column to draw water from multiple steel cylinders and negative pressure sinking is carried out to foundation structure, under
Sink to designated position；
(5) sinking terminates to continue to draw water, until reinforcing to the soil body inside the steel tube structure；
(6) after the completion of consolidation process, using the grout lines inside the column to carrying out place of pouring water inside the steel buoyancy tank
Reason or grouting treatment；
(7) after the completion of Irrigation levels or grouting treatment are handled, top wind power equipment is lifted, carries out installation waterborne, construction is completed.
8. a kind of construction method of combined cylinder buoyancy tank foundation structure according to claim 7, which is characterized in that step
Suddenly it during the transportation by driving towage of (3), by the level detection equipment of the column and its inside after internal water flooding fluid-tight, sees
The situation of change of liquid after fluid-tight inside each column is examined, whether preliminary judgement basis structure keeps equilibrium state, if any
The inclination for deviateing equilbrium position is leveled.
9. a kind of construction method of combined cylinder buoyancy tank foundation structure according to claim 7, which is characterized in that step
Suddenly during the self weight of (4) is sunk, the lower settling velocity of foundation structure is adjusted by filling the water or drawing water into the steel buoyancy tank
Rate.
10. a kind of construction method of combined cylinder buoyancy tank foundation structure according to claim 7, which is characterized in that
During the negative pressure of step (4) is sunk, pumping rate is increased by the wing tank of the steel tube structure in updip and/or under
The wing tank of the steel tube structure to incline is inflated or water-filling, carries out Levelling operation.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235515A (en) * | 2021-04-30 | 2021-08-10 | 天津大学 | Subdivision bulkhead designed backfill suction type steel cylinder island wall structure and installation method |
| CN113235514A (en) * | 2021-04-30 | 2021-08-10 | 天津大学 | Compartment suction type steel cylinder island wall revetment structure designed in lower subdivision and installation method |
| CN113502843A (en) * | 2021-09-10 | 2021-10-15 | 南通泰胜蓝岛海洋工程有限公司 | Liquefaction prevention method for offshore wind power conduit frame liquefaction prevention suction barrel device |
| CN114000495A (en) * | 2021-11-22 | 2022-02-01 | 中交第一航务工程局有限公司 | Underwater vacuum preloading process |
| CN114102065A (en) * | 2021-12-07 | 2022-03-01 | 南通振华重型装备制造有限公司 | Method for mounting suction barrel cover |
| CN116513647A (en) * | 2023-07-04 | 2023-08-01 | 湖南省上池环保科技有限公司 | Efficient sealing device for immersion double-disc type stainless steel floating disc |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049525A (en) * | 2016-07-27 | 2016-10-26 | 天津大学 | Polygonal offshore wind power barrel-shaped foundation |
| CN107542101A (en) * | 2017-09-28 | 2018-01-05 | 天津大学 | A kind of four floating drum buoyancy tank combined type foundation structures of sea and its construction method |
-
2019
- 2019-06-28 CN CN201910573944.0A patent/CN110453712A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049525A (en) * | 2016-07-27 | 2016-10-26 | 天津大学 | Polygonal offshore wind power barrel-shaped foundation |
| CN107542101A (en) * | 2017-09-28 | 2018-01-05 | 天津大学 | A kind of four floating drum buoyancy tank combined type foundation structures of sea and its construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235515A (en) * | 2021-04-30 | 2021-08-10 | 天津大学 | Subdivision bulkhead designed backfill suction type steel cylinder island wall structure and installation method |
| CN113235514A (en) * | 2021-04-30 | 2021-08-10 | 天津大学 | Compartment suction type steel cylinder island wall revetment structure designed in lower subdivision and installation method |
| CN113502843A (en) * | 2021-09-10 | 2021-10-15 | 南通泰胜蓝岛海洋工程有限公司 | Liquefaction prevention method for offshore wind power conduit frame liquefaction prevention suction barrel device |
| CN114000495A (en) * | 2021-11-22 | 2022-02-01 | 中交第一航务工程局有限公司 | Underwater vacuum preloading process |
| CN114102065A (en) * | 2021-12-07 | 2022-03-01 | 南通振华重型装备制造有限公司 | Method for mounting suction barrel cover |
| CN114102065B (en) * | 2021-12-07 | 2023-06-13 | 南通振华重型装备制造有限公司 | Suction cylinder cover mounting method |
| CN116513647A (en) * | 2023-07-04 | 2023-08-01 | 湖南省上池环保科技有限公司 | Efficient sealing device for immersion double-disc type stainless steel floating disc |
| CN116513647B (en) * | 2023-07-04 | 2023-09-29 | 湖南省上池环保科技有限公司 | Efficient sealing device for immersion double-disc type stainless steel floating disc |
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Application publication date: 20191115 |