CN108104148A - A kind of thin-walled steel suction bucket basis with reinforced pipe and its installation method - Google Patents
A kind of thin-walled steel suction bucket basis with reinforced pipe and its installation method Download PDFInfo
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- CN108104148A CN108104148A CN201711315249.1A CN201711315249A CN108104148A CN 108104148 A CN108104148 A CN 108104148A CN 201711315249 A CN201711315249 A CN 201711315249A CN 108104148 A CN108104148 A CN 108104148A
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- staving
- reinforced pipe
- suction
- pneumatic operated
- operated valve
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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
- E02D27/24—Foundations constructed by making use of diving-bells
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of thin-walled steel suction bucket basis with reinforced pipe and its installation methods, the suction barrel base includes staving fluidic system, the fluidic system includes being axially disposed within several reinforced pipes of staving surrounding, delivery valve is provided at the top of the reinforced pipe, for connecting external high pressure water-carriage system, the bottom of reinforced pipe is apopore.The installation method includes step 1：The dead weight of suction barrel base is sunk；Step 2：The water delivery into reinforced pipe；Step 3：Suction bucket correcting offset of base；Step 4：High pressure is sunk；Step 5：Sink down into designated depth；Step 6：It rectifies a deviation again.The present invention can directly break up bottom soil body, suitable for thin-walled steel suction bucket basis, bucket end resistance increasing degree it is relatively fewer, reinforced pipe effectively improves staving intensity, anti-flexion capabilities.
Description
Technical field
The present invention relates to a kind of thin-walled steel suction bucket basis with reinforced pipe and its installation methods, belong to ocean basis and hold
Carry engineering device technique field.
Background technology
Suction barrel base is a kind of ocean basis, has the advantages that installation speed is fast, advantage of lower cost, extensively using work
The basis of offshore wind farm, offshore platform.Suction barrel base is by conducting oneself with dignity, negative pressure sinks down into designated depth, in sinking watching
It is the successful key factor of installation effectively to reduce penetration resistance.The method that existing suction barrel base reduces penetration resistance is mainly
High pressure water flow is sprayed in bucket, outside bucket wall, bucket and breaks up the bottom soil body, so as to reduce penetration resistance.But these types of method is deposited respectively
Resistance-reducing efficiency it is low, be only applicable to big wall thickness basis, force bearing ring increases barrel end resistance the problems such as.
For example, notification number is the Chinese invention patent of 105926627 A of CN, disclosing " can pass through to sea bottom surface down
Suction anchor and its installation method ", injection high pressure water flow is mainly used for eliminating native plug in bucket, by break up barrel internal upper part soil body come
Lower end resistance in bucket is reduced, belong to reduces bucket end resistance indirectly, and resistance-reducing efficiency is low；
Notification number is the Chinese invention patent of 101718096 A of CN, discloses that " a kind of water conservancy diversion and negative pressure technique are combined big
Wall thickness foundation sinking method ", barrel wall injection high pressure water flow reduce lower end resistance in bucket by breaking up barrel end lower part soil body, lead
Flow tube is embedded in barrel wall, therefore is only applicable to the suction barrel base of big wall thickness armored concrete material, but for cost it is lower,
Sinking is faster, quality is lighter, transport is more convenient, using wider thin-walled steel suction bucket basis, and this method, which can not be realized, to be added
The effect that speed is sunk.
Notification number is the Chinese invention patent of 101748732 B of CN, discloses a kind of " band force bearing ring structure bucket foundation
Method for sinking ", force bearing ring is set in bucket wall Basolateral, force bearing ring for fixing air injection pipe, lead to by high pressure water or high pressure gas
It crosses air injection pipe and breaks up barrel end lower part soil body to reduce lower end resistance in bucket, but force bearing ring can increase a barrel end resistance, be unfavorable for heavy pass through
Be smoothed out.
The content of the invention
For solve existing reduction bucket end penetration resistance there are resistance-reducing efficiency it is low, be only applicable to big wall thickness basis, force bearing ring increases
The problems such as big bucket end resistance, the present invention provides a kind of thin-walled steel suction bucket basis with reinforced pipe and its installation method,
Reinforced pipe is added around suction barrel base bucket wall, high pressure water flow is injected by reinforced pipe in suction barrel base sinking watching and is broken up
The lower part soil body, reduces penetration resistance accordingly, achievees the purpose that quickly to sink.The present invention can directly break up bottom soil body, be suitable for
Thin-walled steel suction bucket basis, bucket end resistance increasing degree are relatively fewer, and can enhance staving intensity, improve the carrying of bucket base
Power is recycled beneficial to bucket base.Its specific technical solution is as follows：
A kind of thin-walled steel suction bucket basis with reinforced pipe, including staving, the staving top seal, staving inner hollow,
Staving bottom-open, and penetrate through one with tubular body, the staving top center are provided with connecting rod, dead weight pneumatic operated valve and true
Sky pump pneumatic operated valve, the dead weight pneumatic operated valve and vacuum pump pneumatic operated valve and staving internal run-through；
Fluidic system is further included, the fluidic system includes being axially disposed within several reinforced pipes of staving surrounding, several add
Strong pipe is uniformly distributed in staving circumferencial direction, delivery valve is provided at the top of the reinforced pipe, for connecting external high pressure water delivery
System, the bottom of reinforced pipe is apopore, and high pressure water flow enters reinforced pipe by delivery valve, dispels out at a high speed, dispels through apopore
The soil body of staving bottom reduces staving penetration resistance.
The height of the reinforced pipe and staving it is highly consistent, the top of reinforced pipe at the top of staving with flushing, the reinforcement
The bottom of pipe is flushed with staving bottom.
The reinforced pipe is seamlessly connected with staving, and the material of the staving and reinforced pipe selects steel, staving and reinforced pipe
Seamless welding.
The aperture of the apopore is not more than the aperture of reinforced pipe.
A kind of installation method on the thin-walled steel suction bucket basis with reinforced pipe, it is characterised in that comprise the following steps：
Step 1：The dead weight of suction barrel base is sunk：Dead weight pneumatic operated valve is opened, closes vacuum pump pneumatic operated valve, suction barrel base is being conducted oneself with dignity
Effect sinks to passing through to certain depth, completes dead weight and sinks, and closes dead weight pneumatic operated valve at this time, while vacuum pump pneumatic operated valve is kept to close
It closes；
Step 2：The water delivery into reinforced pipe：External high pressure water-carriage system is connected at the top of reinforced pipe, opens delivery valve, injects low pressure
Water, and hydraulic pressure is gradually stepped up, minimum hydraulic pressure should be able to dispel the soil body below barrel wall, and highest hydraulic pressure will not cause entire suction bucket
Liquefaction of soil mass in the range of embedded depth of foundation；
Step 3：Suction bucket correcting offset of base：Whether staving top surface is parallel with big ground level after observation dead weight is sunk, such as parallel,
Then suction barrel base is longitudinally perpendicular to the ground, such as not parallel, then injects water in the reinforced pipe of staving top surface higher one side
Stream opens simultaneously vacuum pump pneumatic operated valve and applies suction, accelerates unilateral sinking, to rectify a deviation；
Step 4：High pressure is sunk：It treats that suction bucket correcting offset of base finishes, opens whole delivery valves, high pressure water flow enters reinforced pipe, passes through
Apopore dispels at a high speed the soil body below the bucket wall of suction barrel base, reduces staving penetration resistance, while continues on vacuum pump
Pneumatic operated valve applies suction, it is ensured that sinks and smoothly, persistently carries out；
Step 5：Staving top surface is sunk down into sea bed plane in same level or less than level where sea bed plane, that is, is sunk
To designated depth；
Step 6：It rectifies a deviation again：Staving, which sinks, to be passed through to designated depth, is repeated step 3, is observed, rectifies a deviation, and is closed after the completion of correction
Delivery valve and vacuum pump pneumatic operated valve are closed, so far sinks to terminating.
The beneficial effects of the invention are as follows：
The present invention adds reinforced pipe around staving, while staving intensity is enhanced, injects high pressure water flow by reinforced pipe and rushes
Dissipating the lower part soil body reduces penetration resistance, solve existing reduction bucket end penetration resistance there are resistance-reducing efficiency it is low, be only applicable to it is big
The problems such as wall thickness basis, force bearing ring increase barrel end resistance.
Especially solve reinforcing bar existing for big wall thickness armored concrete material suction barrel base and concrete material consumption
Excessive, one-piece casting working procedure complexity, wall thickness are larger（Wall thickness is about 0.4m-0.5m）Cause that barrel end penetration resistance is excessive, bucket
Body dead weight is larger to lead to problems such as the increase of coastal waters towage transport difficulty, the larger staving recovery difficult that also results in of conducting oneself with dignity increase；This
Invent that a kind of thin-walled steel suction bucket basis consumptive material with reinforced pipe is few, at low cost, staving makes simple, wall thickness very little
（0.04m-0.1m）And then bucket end resistance smaller sink faster, staving thus from heavy and light towage with recycle it is convenient, strengthen pipe diameter compared with
It is small（0.1m-0.2m）Then increased bucket end resistance is smaller is beneficial to sink, and is entirely capable of by the staving intensity that reinforced pipe improves
Enough meet normal use requirement.The present invention can not only directly break up bottom soil body, suitable for thin-walled steel suction bucket basis, bucket
Body base drag increasing degree is relatively fewer.Meanwhile reinforced pipe can reinforce barrel wall itself knot with suction barrel base seamless welding
Structure effectively improves staving intensity, anti-flexion capabilities；Reinforced pipe and suction barrel base, which are formed, whole can increase the opposite appearance of staving
Area improves foundation bearing capacity, and effectively improves whole anti-torsion ability；After suction barrel base reaches service life, by adding
Strong pipe injection water jet can realize the quick recycling of suction barrel base.
Description of the drawings
Fig. 1 is the three dimensional structure diagram of the present invention,
Fig. 2 is longitudinal center's sectional view of the present invention,
Fig. 3 is longitudinal center's sectional view of the present invention,
Fig. 4 is the top view of the present invention,
In figure：1. connecting rod, 2. bungs, 3. barrels of walls, 4. dead weight pneumatic operated valves, 5. vacuum pump pneumatic operated valves, 6. delivery valves, 7.
Reinforced pipe, 8. apopores.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.It should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
Fig. 1 is the three dimensional structure diagram of the present invention, and Fig. 2 is longitudinal center's sectional view of the present invention, and Fig. 3 is of the invention
Longitudinal center's sectional view, Fig. 4 are the top view of the present invention, and the component names marked in figure are followed successively by：Connecting rod 1, bung 2, bucket
Wall 3, pneumatic operated valve 4 of conducting oneself with dignity, vacuum pump pneumatic operated valve 5, delivery valve 6, reinforced pipe 7, apopore 8.
With reference to attached drawing as it can be seen that this suction barrel base with reinforced pipe, including staving, the staving top seal, in staving
Portion is hollow, staving bottom-open, and penetrates through one with tubular body, and the staving top center is provided with connecting rod, dead weight gas
Dynamic valve and vacuum pump pneumatic operated valve, the dead weight pneumatic operated valve and vacuum pump pneumatic operated valve and staving internal run-through.The present invention, inside staving
Hollow, staving surrounding keeps away face and is known as bucket wall, is integrally formed and closed by bung and bucket wall at the top of staving.As seen from Figure 3, connecting rod
It is a solid body of rod, is fixed with bung, conduct oneself with dignity pneumatic operated valve and vacuum pump pneumatic operated valve and staving internal run-through.
This suction barrel base with reinforced pipe, further includes fluidic system, and the fluidic system includes being axially disposed within staving
Several reinforced pipes of surrounding, several reinforced pipes are uniformly distributed in staving circumferencial direction, are provided at the top of the reinforced pipe
Delivery valve, for connecting external high pressure water-carriage system, the bottom of reinforced pipe is apopore, and high pressure water flow enters reinforcement by delivery valve
Pipe dispels out at a high speed through apopore, dispels the soil body of staving bottom, reduce staving penetration resistance.As seen from Figure 3, in reinforced pipe
Portion is hollow, and up/down perforation, and delivery valve and the reinforced pipe through connection at top, apopore is the bottom of reinforced pipe.
The height of the reinforced pipe and staving it is highly consistent, the top of reinforced pipe at the top of staving with flushing, the reinforcement
The bottom of pipe is flushed with staving bottom.The position that reinforced pipe flushes up and down, is fixed convenient for reinforced pipe and staving seamless welding, is improved
In the use of the present invention, whole stability, avoids staving or reinforced pipe from locally accepting deformation or distortion.
The reinforced pipe is seamlessly connected with staving, and the material of the staving and reinforced pipe selects steel, staving and reinforced pipe
Seamless welding.Reinforced pipe and staving make thin-wall construction, the arrangement of staving and reinforced pipe of the present invention, it is ensured that in reinforced pipe and bucket
Body can be thin-wall construction, and can complete sinking and corresponding use.Whole external force resistance ability enhancing.
The aperture of the apopore is not more than the aperture of reinforced pipe.
A kind of installation method on the thin-walled steel suction bucket basis with reinforced pipe, it is characterised in that comprise the following steps：
Step 1：The dead weight of suction barrel base is sunk：Dead weight pneumatic operated valve is opened, closes vacuum pump pneumatic operated valve, suction barrel base is being conducted oneself with dignity
Effect sinks to passing through to certain depth, completes dead weight and sinks, and closes dead weight pneumatic operated valve at this time, while vacuum pump pneumatic operated valve is kept to close
It closes；
Step 2：The water delivery into reinforced pipe：External high pressure water-carriage system is connected at the top of reinforced pipe, opens delivery valve, injects low pressure
Water, and hydraulic pressure is gradually stepped up, minimum hydraulic pressure should be able to dispel the soil body below barrel wall, and highest hydraulic pressure will not cause entire suction bucket
Liquefaction of soil mass in the range of embedded depth of foundation.
Step 3：Suction bucket correcting offset of base：Whether staving top surface is parallel with big ground level after observation dead weight is sunk, such as
Parallel, then suction barrel base is longitudinally perpendicular to the ground, such as not parallel, then is noted in the reinforced pipe of staving top surface higher one side
Enter current, open simultaneously vacuum pump pneumatic operated valve and apply suction, accelerate unilateral sinking, to rectify a deviation；
Step 4：High pressure is sunk：It treats that suction bucket correcting offset of base finishes, opens whole delivery valves, high pressure water flow enters reinforced pipe, passes through
Apopore dispels at a high speed the soil body below the bucket wall of suction barrel base, reduces staving penetration resistance, while continues on vacuum pump
Pneumatic operated valve applies suction, it is ensured that sinks and smoothly, persistently carries out；
Step 5：Staving top surface is sunk down into sea bed plane in same level or less than level where sea bed plane, that is, is sunk
To designated depth；
Step 6：It rectifies a deviation again：Staving, which sinks, to be passed through to designated depth, is repeated step 3, is observed, rectifies a deviation, and is closed after the completion of correction
Delivery valve and vacuum pump pneumatic operated valve are closed, so far sinks to terminating.
The technical means disclosed in the embodiments of the present invention is not limited to the technical means disclosed in the above technical means, and is further included
Formed technical solution is combined by more than technical characteristic.
Using above-mentioned desirable embodiment according to the invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (5)
1. a kind of thin-walled steel suction bucket basis with reinforced pipe, including staving, the staving top seal, in staving inside
Sky, staving bottom-open, and one is penetrated through with tubular body, the staving top center is provided with connecting rod, dead weight pneumatic operated valve
With vacuum pump pneumatic operated valve, conduct oneself with dignity pneumatic operated valve and the vacuum pump pneumatic operated valve and staving internal run-through；
Characterized by further comprising fluidic system, the fluidic system includes being axially disposed within several reinforcements of staving surrounding
Pipe, several reinforced pipes are uniformly distributed in staving circumferencial direction, and delivery valve is provided at the top of the reinforced pipe, outer for connecting
Portion's high-pressure water conveyance system, the bottom of reinforced pipe is apopore, and high pressure water flow enters reinforced pipe by delivery valve, is blown at a high speed through apopore
It sheds, dispels the soil body of staving bottom, reduce staving penetration resistance.
A kind of 2. thin-walled steel suction bucket basis with reinforced pipe according to claim 1, it is characterised in that the reinforcement
The height of pipe and staving it is highly consistent, the top of reinforced pipe at the top of staving with flushing, bottom and the staving bottom of the reinforced pipe
Portion flushes.
A kind of 3. thin-walled steel suction bucket basis with reinforced pipe according to claim 2, it is characterised in that the reinforcement
Pipe is seamlessly connected with staving, and the material of the staving and reinforced pipe selects steel, staving and reinforced pipe seamless welding.
A kind of 4. thin-walled steel suction bucket basis with reinforced pipe according to claim 3, it is characterised in that the water outlet
The aperture in hole is not more than the aperture of reinforced pipe.
5. a kind of installation method on the thin-walled steel suction bucket basis with reinforced pipe, it is characterised in that comprise the following steps：
Step 1：The dead weight of suction barrel base is sunk：Dead weight pneumatic operated valve is opened, closes vacuum pump pneumatic operated valve, suction barrel base is being conducted oneself with dignity
Effect sinks to passing through to certain depth, completes dead weight and sinks, and closes dead weight pneumatic operated valve at this time, while vacuum pump pneumatic operated valve is kept to close
It closes；
Step 2：The water delivery into reinforced pipe：External high pressure water-carriage system is connected at the top of reinforced pipe, opens delivery valve, injects low pressure
Water, and hydraulic pressure is gradually stepped up, minimum hydraulic pressure should be able to dispel the soil body below barrel wall, and highest hydraulic pressure will not cause entire suction bucket
Liquefaction of soil mass in the range of embedded depth of foundation；
Step 3：Suction bucket correcting offset of base：Whether staving top surface is parallel with sea bed plane after observation dead weight is sunk, such as parallel,
Then suction barrel base is longitudinally perpendicular to the ground, such as not parallel, then injects water in the reinforced pipe of staving top surface higher one side
Stream opens simultaneously vacuum pump pneumatic operated valve and applies suction, accelerates unilateral sinking, to rectify a deviation；
Step 4：High pressure is sunk：It treats that suction bucket correcting offset of base finishes, opens whole delivery valves, high pressure water flow enters reinforced pipe, passes through
Apopore dispels at a high speed the soil body below the bucket wall of suction barrel base, reduces staving penetration resistance, while continues on vacuum pump
Pneumatic operated valve applies suction, it is ensured that sinks and smoothly, persistently carries out；
Step 5：Staving top surface is sunk down into sea bed plane in same level or less than level where sea bed plane, that is, is sunk
To designated depth；
Step 6：It rectifies a deviation again：Staving, which sinks, to be passed through to designated depth, is repeated step 3, is observed, rectifies a deviation, and is closed after the completion of correction
Delivery valve and vacuum pump pneumatic operated valve are closed, so far sinks to terminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315249.1A CN108104148A (en) | 2017-12-12 | 2017-12-12 | A kind of thin-walled steel suction bucket basis with reinforced pipe and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711315249.1A CN108104148A (en) | 2017-12-12 | 2017-12-12 | A kind of thin-walled steel suction bucket basis with reinforced pipe and its installation method |
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| Publication Number | Publication Date |
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| CN108104148A true CN108104148A (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711315249.1A Pending CN108104148A (en) | 2017-12-12 | 2017-12-12 | A kind of thin-walled steel suction bucket basis with reinforced pipe and its installation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965571A (en) * | 2019-12-31 | 2020-04-07 | 中国电建集团华东勘测设计研究院有限公司 | Negative pressure barrel-pile composite foundation structure and construction method thereof |
| CN113417591A (en) * | 2021-07-27 | 2021-09-21 | 中山大学 | Spiral propulsion type suction anchor well head installation equipment |
| CN113982020A (en) * | 2021-11-12 | 2022-01-28 | 南京航空航天大学 | Combined suction anchor with deviation correcting and quick sinking functions and using method thereof |
| CN115897575A (en) * | 2023-02-21 | 2023-04-04 | 中天科技集团海洋工程有限公司 | Underwater pile sinking device and process based on suction cylinder type pile stabilizing platform |
| CN116181271A (en) * | 2023-01-18 | 2023-05-30 | 福建永福电力设计股份有限公司 | Suction type submarine oil extraction wellhead protection device |
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| CN1730842A (en) * | 2005-09-07 | 2006-02-08 | 天津大学 | Maritime air float hauling and positioning sinking mounting method for soft-foundation box-cylinder type infrastructure |
| CN101718096A (en) * | 2009-11-10 | 2010-06-02 | 天津大学 | Large wall thickness foundation sinking method by combining diversion and negative pressure technology |
| CN105951873A (en) * | 2016-05-11 | 2016-09-21 | 中国海洋大学 | Submarine double-cylinder suction anchor |
| CN106351211A (en) * | 2016-10-31 | 2017-01-25 | 天津港航工程有限公司 | Concrete large cylinder structure and construction method of flushing sink thereof |
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2017
- 2017-12-12 CN CN201711315249.1A patent/CN108104148A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1730842A (en) * | 2005-09-07 | 2006-02-08 | 天津大学 | Maritime air float hauling and positioning sinking mounting method for soft-foundation box-cylinder type infrastructure |
| CN101718096A (en) * | 2009-11-10 | 2010-06-02 | 天津大学 | Large wall thickness foundation sinking method by combining diversion and negative pressure technology |
| CN105951873A (en) * | 2016-05-11 | 2016-09-21 | 中国海洋大学 | Submarine double-cylinder suction anchor |
| CN106351211A (en) * | 2016-10-31 | 2017-01-25 | 天津港航工程有限公司 | Concrete large cylinder structure and construction method of flushing sink thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965571A (en) * | 2019-12-31 | 2020-04-07 | 中国电建集团华东勘测设计研究院有限公司 | Negative pressure barrel-pile composite foundation structure and construction method thereof |
| CN110965571B (en) * | 2019-12-31 | 2024-06-18 | 中国电建集团华东勘测设计研究院有限公司 | Negative pressure barrel-pile composite foundation structure and construction method thereof |
| CN113417591A (en) * | 2021-07-27 | 2021-09-21 | 中山大学 | Spiral propulsion type suction anchor well head installation equipment |
| CN113417591B (en) * | 2021-07-27 | 2022-08-23 | 中山大学 | Spiral propulsion type suction anchor well head installation equipment |
| CN113982020A (en) * | 2021-11-12 | 2022-01-28 | 南京航空航天大学 | Combined suction anchor with deviation correcting and quick sinking functions and using method thereof |
| CN116181271A (en) * | 2023-01-18 | 2023-05-30 | 福建永福电力设计股份有限公司 | Suction type submarine oil extraction wellhead protection device |
| CN115897575A (en) * | 2023-02-21 | 2023-04-04 | 中天科技集团海洋工程有限公司 | Underwater pile sinking device and process based on suction cylinder type pile stabilizing platform |
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Application publication date: 20180601 |