CN106948362B - A kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit and control method - Google Patents
A kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit and control method Download PDFInfo
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- CN106948362B CN106948362B CN201710166792.3A CN201710166792A CN106948362B CN 106948362 B CN106948362 B CN 106948362B CN 201710166792 A CN201710166792 A CN 201710166792A CN 106948362 B CN106948362 B CN 106948362B
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- drag
- line
- compound
- controlling unit
- bucket foundation
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Classifications
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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
- E02D27/10—Deep foundations
- E02D27/18—Foundations formed by making use of caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
-
- 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
Abstract
The invention belongs to oceanic winds electrical domains, disclose a kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit and control method, drag-line sub-controlling unit includes lower part drag-line, top drag-line, tension ring, and tension ring bottom and top connect multiple lower part drag-lines and multiple top drag-lines respectively with uniformly circumferentially disposed tie point；Lower part drag-line lower end is for connecting compound bucket foundation, and top drag-line upper end is for connecting lifting device；In the self weight sinking watching of compound bucket foundation, when basic subsidence velocity is excessive in the hole, drag-line sub-controlling unit helps basis to reduce subsidence velocity, it is made steadily to sink；In the self weight sinking and negative pressure sinking watching of compound bucket foundation, when basic slope angle is excessive, drag-line sub-controlling unit carries out fast leveling.The present invention can effectively improve stability and safety of the compound bucket foundation during sinking, while have many advantages, such as that short construction period, at low cost, work progress is easy.
Description
Technical field
The invention belongs to oceanic winds electrical domain, in particular to a kind of sea bucket foundation is during sinking
Control instability device and control method.
Background technique
Currently, more compound bucket foundations in storehouse can meet towage due to it at sea in New Equipment Engineering such as offshore wind farm engineering
The demands such as stability, construction sinking, fine leveling, are more and more applied in ocean engineering.In compound cartridge type foundation construction
Self weight sinking watching in, there are a borderline risk state, i.e., at the time of compound bucket foundation self weight is equal with natural buoyancy, this
Shi Fuhe bucket foundation is since inertia force continues to sink, but air is continued to increase due to pressure in storehouse, and internal gas is continuous
Compression, compression meeting of internal gas so that the provided buoyancy in basis reduction so that the downward sinking of basis acceleration, and under
Settling velocity degree can be getting faster；Since compound bucket foundation can not can guarantee abswolute level all the time in sinking watching, this
Accelerate sinking watching in meeting so that basis generation it is more serious topple, cause serious safety accident.In engineering, composite tube
When there is larger inclination in type basis, keep compound bucket foundation balance conventional method be to compound bucket foundation downwards/updip
An oblique point storehouse is inflated/is vented, but this balance adjustment process there are long construction period, it is at high cost, work progress is complicated the disadvantages of.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of compound cartridge type foundation immersion unstability drag-line auxiliary controls
Device and control method can effectively improve stability and safety of the compound bucket foundation during sinking, have simultaneously
Have the advantages that short construction period, at low cost, work progress is easy.
The present invention is achieved by technical solution below:
A kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit, including lower part drag-line, tension ring, top drawing
Rope；The tension ring bottom connects multiple lower part drag-lines with uniformly circumferentially disposed tie point, at the top of the tension ring with
Uniformly circumferentially disposed tie point connects multiple top drag-lines；Lower part drag-line upper end connects the tension ring, lower end
For connecting compound bucket foundation；Top drag-line lower end connects the tension ring, and upper end is for connecting lifting device.
Preferably, the lower part drag-line uses diameter for the steel strand wires of 100-200mm.
Preferably, the top drag-line uses diameter for the steel strand wires of 150-300mm.
Preferably, the quantity of the lower part drag-line is 10-30.
Preferably, the quantity of the top drag-line is 4-12.
A kind of control method using above-mentioned compound cartridge type foundation immersion unstability drag-line sub-controlling unit, according to following step
It is rapid to carry out:
(1) after compound bucket foundation towage is in place, lower part drag-line lower end in drag-line sub-controlling unit and multiple
It closes bucket foundation top plate to be connected, the top drag-line upper end in drag-line sub-controlling unit and the lift truss phase on towboat
Even；
(2) compound bucket foundation sinks by self weight, the synchronous sinking of drag-line sub-controlling unit in sinking watching；It is logical
Cross the force snesor real-time monitoring force value being installed on each lower part drag-line, and the resultant force of lower part drag-line described in real-time rendering with
The F-S change curve of time；
(3) at the time of occurring resultant force increase suddenly in F-S change curve, brake cable sub-controlling unit tightens institute
The top drag-line having, until compound bucket foundation remains static；
(4) all exhaust outlets that draw water of compound bucket foundation are opened simultaneously, by the way that each compound bucket foundation point is discharged
Gas and water inside cabin, so that compound bucket foundation continues to sink under internal and external pressure difference effect, drag-line sub-controlling unit
Synchronous sinking；
(5) after the steady sinking in place of drag-line sub-controlling unit assisted recombination bucket foundation success, recycling drag-line auxiliary control
Device processed.
Wherein, horizon sensor is installed, horizon sensor is for acquiring compound cartridge type base on compound cartridge type base roof plate
The tilt data of plinth；In the sinking watching of step (2) to step (4):
When compound cartridge type basic slope degree be greater than 3 ° when, brake cable sub-controlling unit, tighten tilt down it is compound
The corresponding top drag-line of bucket foundation subdivision, until stopping this behaviour when compound cartridge type basic slope degree is adjusted to 0 ° -1 °
Make；
When compound 1 ° -3 ° of cartridge type basic slope degree, acclivitous compound bucket foundation subdivision is exhausted or right
The compound bucket foundation subdivision tilted down is inflated, until stopping this when compound cartridge type basic slope degree is adjusted to 0 ° -1 °
Operation.
The beneficial effects of the present invention are:
The present invention is suitable for the sinking of the compound bucket foundation of ocean engineering, and drag-line sub-controlling unit can be avoided composite tube
Type basis is self-possessed the capsizing case in sinking watching, and can specific aim level compound bucket foundation self weight sink and negative pressure under
Heavy process skew spends big operating condition, thus effectively improve compound bucket foundation during sinking stability and safety,
Have many advantages, such as that short construction period, at low cost, work progress is easy.
Detailed description of the invention
Fig. 1 is the main view of compound cartridge type foundation immersion unstability drag-line sub-controlling unit provided by the present invention；
Fig. 2 is the top view of compound cartridge type foundation immersion unstability drag-line sub-controlling unit provided by the present invention；
Fig. 3 is the engineer application signal of compound cartridge type foundation immersion unstability drag-line sub-controlling unit provided by the present invention
Figure.
In figure: 1, lower part drag-line；2, tension ring；3, top drag-line；4, compound bucket foundation；5, compound bucket foundation top
Plate；6, draw water exhaust outlet；7, compound bucket foundation subdivision；8, lift truss.
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 depicted in figs. 1 and 2, present embodiment discloses a kind of compound cartridge type foundation immersion unstability drag-line auxiliary control dresses
It sets, including lower part drag-line 1, tension ring 2, top drag-line 3.
Lower part drag-line 1 uses diameter for the steel strand wires of 100-200mm, and upper end connects tension ring 2, and lower end is compound for connecting
Bucket foundation 4.
Top drag-line 3 uses diameter for the steel strand wires of 150-300mm, and lower end connects tension ring 2, and upper end can connect lift
Truss 8.
The cross section of tension ring 2 is in circular ring shape or C font, and 2 bottom of tension ring is equipped with the tie point of lower part drag-line 1, number
Amount is generally 10-30, along tension ring 2 in uniformly circumferentially disposed；The tie point of top drag-line 3, number are equipped at the top of tension ring 2
General 4-12 are measured, along tension ring 2 in uniformly circumferentially disposed.
As shown in figure 3, using the control method of above-mentioned compound cartridge type foundation immersion unstability drag-line sub-controlling unit, according to
Following steps carry out:
1) 1 lower end of lower part drag-line and composite tube after compound 4 towage of bucket foundation is in place, in drag-line sub-controlling unit
Type base roof plate 5 is connected, and 3 upper end of top drag-line in drag-line sub-controlling unit is connected with the lift truss 8 on towboat；
2) compound bucket foundation 4 sinks by self weight, the synchronous sinking of drag-line sub-controlling unit in sinking watching；It is logical
Cross the force value of each lower part drag-line 1 of the force snesor real-time monitoring being installed on each lower part drag-line 1, and real-time rendering lower part drag-line
The F-S change curve of 1 resultant force at any time；
3) compound bucket foundation 4 is self-possessed in sinking watching, at the time of there is resultant force F in F-S change curve and increasing suddenly,
Brake cable sub-controlling unit tightens all top drag-lines 3, until compound bucket foundation 4 remains static；
4) all exhaust outlets 6 that draw water of compound bucket foundation 4 are opened simultaneously, by the way that each compound bucket foundation is discharged
Gas and water inside subdivision 7, so that compound bucket foundation 4 continues to sink under internal and external pressure difference effect；Drag-line auxiliary control
The synchronous sinking of device；
5) horizon sensor is installed, horizon sensor is for acquiring compound bucket foundation 4 on compound cartridge type base roof plate 5
Tilt data；In above-mentioned steps 2) and during step 4):
When compound 4 gradient of bucket foundation is greater than 3 °, brake cable sub-controlling unit tightens the composite tube tilted down
The corresponding top drag-line 3 of type basis subdivision 7, until stopping this operation when compound 4 Slope angle adjustment of bucket foundation is to 0 ° -1 °；
At compound 1 ° -3 ° of 4 gradient of bucket foundation, the opposite inclined compound bucket foundation subdivision 7 of up/down is exhausted/
It inflates, until stopping this operation when compound 4 Slope angle adjustment of bucket foundation is to 0 ° -1 °.
6) after the steady sinking in place of the success of drag-line sub-controlling unit assisted recombination bucket foundation 4, recycling drag-line auxiliary control
Device processed.
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 (7)
1. a kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit, which is characterized in that including lower part drag-line, pulling force
Ring, top drag-line；The tension ring bottom connects multiple lower part drag-lines, the pulling force with uniformly circumferentially disposed tie point
Multiple top drag-lines are connected with uniformly circumferentially disposed tie point at the top of ring；Lower part drag-line upper end connects the pulling force
Ring, lower end is for connecting compound bucket foundation；Top drag-line lower end connects the tension ring, and upper end is for connecting lifting dress
It sets；
It is carried out in sinking watching in compound bucket foundation by self weight, the synchronous sinking of drag-line sub-controlling unit；By being installed on
Force snesor real-time monitoring force value on each lower part drag-line, and the F- of the resultant force of lower part drag-line described in real-time rendering at any time
S change curve；At the time of occurring resultant force increase suddenly in F-S change curve, brake cable sub-controlling unit is tightened all
The top drag-line, until compound bucket foundation remains static；Thus compound bucket foundation unstability is controlled；
Sinking watching and compound bucket foundation are carried out in the case where continuing under internal and external pressure difference acts on by self weight in compound bucket foundation
During heavy, the synchronous sinking of drag-line sub-controlling unit；It is acquired by the horizon sensor installed on compound cartridge type base roof plate
The tilt data of compound bucket foundation: when compound cartridge type basic slope degree is greater than 3 °, brake cable sub-controlling unit, tightening
The corresponding top drag-line of the compound bucket foundation subdivision tilted down, until compound cartridge type basic slope degree adjust to 0 °-
At 1 °, stop this operation；When compound 1 ° -3 ° of cartridge type basic slope degree, acclivitous compound bucket foundation subdivision is carried out
Exhaust, or inflate to the compound bucket foundation subdivision tilted down, until compound cartridge type basic slope degree is adjusted to 0 ° -1 °
When, stop this operation；Thus the inclination or imbalance of compound bucket foundation are controlled.
2. a kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit according to claim 1, which is characterized in that
The lower part drag-line uses diameter for the steel strand wires of 100-200mm.
3. a kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit according to claim 1, which is characterized in that
The top drag-line uses diameter for the steel strand wires of 150-300mm.
4. a kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit according to claim 1, which is characterized in that
The quantity of the lower part drag-line is 10-30.
5. a kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit according to claim 1, which is characterized in that
The quantity of the top drag-line is 4-12.
6. a kind of control using compound cartridge type foundation immersion unstability drag-line sub-controlling unit described in any one of claim 1-5
Method processed, which is characterized in that carry out in accordance with the following steps:
(1) lower part drag-line lower end and composite tube after compound bucket foundation towage is in place, in drag-line sub-controlling unit
Type base roof plate is connected, and the top drag-line upper end in drag-line sub-controlling unit is connected with the lift truss on towboat；
(2) compound bucket foundation sinks by self weight, the synchronous sinking of drag-line sub-controlling unit in sinking watching；Pass through peace
Loaded on the force snesor real-time monitoring force value on each lower part drag-line, and the resultant force of lower part drag-line described in real-time rendering is at any time
F-S change curve；
(3) at the time of occurring resultant force increase suddenly in F-S change curve, brake cable sub-controlling unit is tightened all
The top drag-line, until compound bucket foundation remains static；
(4) all exhaust outlets that draw water of compound bucket foundation are opened simultaneously, by being discharged in each compound bucket foundation subdivision
The gas and water in portion, so that compound bucket foundation continues to sink under internal and external pressure difference effect, drag-line sub-controlling unit is synchronous
Sink；
(5) after the steady sinking in place of drag-line sub-controlling unit assisted recombination bucket foundation success, recycling drag-line auxiliary control dress
It sets.
7. a kind of control method of compound cartridge type foundation immersion unstability drag-line sub-controlling unit according to claim 6,
It is characterized in that, being equipped with horizon sensor on compound cartridge type base roof plate, horizon sensor is for acquiring compound bucket foundation
Tilt data；In the sinking watching of step (2) to step (4):
When compound cartridge type basic slope degree is greater than 3 °, brake cable sub-controlling unit tightens the compound cartridge type tilted down
The corresponding top drag-line of basic subdivision, until stopping this operation when compound cartridge type basic slope degree is adjusted to 0 ° -1 °；
When compound 1 ° -3 ° of cartridge type basic slope degree, acclivitous compound bucket foundation subdivision is exhausted, or to downward
Inclined compound bucket foundation subdivision is inflated, until stopping this behaviour when compound cartridge type basic slope degree is adjusted to 0 ° -1 °
Make.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166792.3A CN106948362B (en) | 2017-03-20 | 2017-03-20 | A kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166792.3A CN106948362B (en) | 2017-03-20 | 2017-03-20 | A kind of compound cartridge type foundation immersion unstability drag-line sub-controlling unit and control method |
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| Publication Number | Publication Date |
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| CN106948362A CN106948362A (en) | 2017-07-14 |
| CN106948362B true CN106948362B (en) | 2019-01-15 |
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| CN109578219B (en) * | 2018-12-19 | 2023-12-22 | 天津大学 | Offshore wind power cylindrical foundation capable of adjusting wind turbine bending moment load distribution |
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|---|---|---|---|---|
| KR101046648B1 (en) * | 2011-04-04 | 2011-07-05 | (주)대우건설 | Marine wind power generation facility for automatically controlling movements in ultimate loads |
| CN102704503A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged box type foundation structure and construction method thereof |
| CN103276743A (en) * | 2013-05-31 | 2013-09-04 | 天津大学 | Inhaul cable type multi-pile cylindrical foundation composite structure and construction method thereof |
| CN104213560A (en) * | 2014-09-23 | 2014-12-17 | 国家电网公司 | Perpendicularity regulating method for foundation cast-in-place pile steel bar cage of power transmission iron tower |
| CN104929144A (en) * | 2015-05-04 | 2015-09-23 | 浙江大学 | Deepwater suction type barrel-shaped foundation intermittent penetration equipment and installation method |
| CN106193085A (en) * | 2016-08-31 | 2016-12-07 | 合肥学院 | A kind of barrel base auxiliary is heavy passes through device and installation method |
-
2017
- 2017-03-20 CN CN201710166792.3A patent/CN106948362B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101046648B1 (en) * | 2011-04-04 | 2011-07-05 | (주)대우건설 | Marine wind power generation facility for automatically controlling movements in ultimate loads |
| CN102704503A (en) * | 2012-05-30 | 2012-10-03 | 天津大学 | Offshore submerged box type foundation structure and construction method thereof |
| CN103276743A (en) * | 2013-05-31 | 2013-09-04 | 天津大学 | Inhaul cable type multi-pile cylindrical foundation composite structure and construction method thereof |
| CN104213560A (en) * | 2014-09-23 | 2014-12-17 | 国家电网公司 | Perpendicularity regulating method for foundation cast-in-place pile steel bar cage of power transmission iron tower |
| CN104929144A (en) * | 2015-05-04 | 2015-09-23 | 浙江大学 | Deepwater suction type barrel-shaped foundation intermittent penetration equipment and installation method |
| CN106193085A (en) * | 2016-08-31 | 2016-12-07 | 合肥学院 | A kind of barrel base auxiliary is heavy passes through device and installation method |
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| CN106948362A (en) | 2017-07-14 |
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