CN102296623A - Tripod type leveling offshore foundation structure and construction method thereof - Google Patents
Tripod type leveling offshore foundation structure and construction method thereof Download PDFInfo
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- CN102296623A CN102296623A CN201110173952XA CN201110173952A CN102296623A CN 102296623 A CN102296623 A CN 102296623A CN 201110173952X A CN201110173952X A CN 201110173952XA CN 201110173952 A CN201110173952 A CN 201110173952A CN 102296623 A CN102296623 A CN 102296623A
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Abstract
The invention discloses a tripod type leveling offshore foundation structure which comprises a foundation main body part, a leveling device and a dry type cabin grouting device, wherein the foundation main body part comprises a steel pipe type tripod and a pile body, the leveling device comprises three closed cylinder bodies, and the dry type cabin grouting device comprises three closed dry type cabins. A construction method comprises the steps of: positioning a tripod through a hoisting device and piling through a piling guide pipe, leveling through the leveling device, installing an offshore tool, measuring the levelness of a foundation structure for secondary leveling, connecting cabin covers of the dry type cabins in a sealing manner, injecting gas in the dry type cabins for discharging a water body and grouting, and solidifying a pile tube and the piling guide pipe into a whole. The invention has the advantages of capability of realizing leveling and grouting operations of a foundation structure system by adopting a leveling structure system and a dry type cabin grouting structure system, simpleness and rapidness in construction, less quantity of required construction devices, avoidance of an expensive underwater grouting construction device, low construction cost and low comprehensive cost.
Description
Technical field
The present invention relates to marine foundation structure and job practices thereof, but particularly marine foundation structure of a kind of tripod type of leveling and job practices.
Background technology
At sea in the wind-powered electricity generation engineering, the foundation structure form generally includes: single pile (Mono-pile), tripod (Tripod), jacket-type basis (Jacket), gravity basis (Gravity based), negative pressure bucket base (Suction Bucket) and floating platform structure (Floating type) etc. at present.These bases need additional designs leveling means and method usually, and for the band pile foundation, the pile crown part also needs operations such as underwater grouting connection, and expense was very high when these processes were constructed in the marine site.
Summary of the invention
The present invention is directed to above-mentioned existing problems, but a kind of marine foundation structure of tripod type and job practices of leveling are provided, this foundation structure and job practices thereof can obviously reduce the construction cost on marine basis.
Technical scheme of the present invention:
But the marine foundation structure of a kind of tripod type of leveling, comprise basic main part, levelling device and dry chamber provisions for grouting, the basis main part comprises steel piping tripod, three piling guide pipes and three pile pipes, the bottom of tripod is equilateral triangle, fix with three isometric steel pipes and the central tube that is positioned at the tripod top from leg-of-mutton three angle ends, the central tube top is fixed with the facility junction plate, three angle end vertical fixing of three piling guide pipes and tripod bottom, three pile pipes are respectively by the operation of driving piles of three piling guide pipes guiding; Levelling device is three airtight cylinders that structure is identical, and cylinder is by the tube wall sealing and fixing of top cover with piling guide pipe lower end, the tube wall sealing and fixing of the base plate of cylinder and stake pipe, and the top cover of cylinder is provided with into drain hole; The dry chamber provisions for grouting is three airtight dry chambers and the top that lays respectively at three cylinders of levelling device, three piling guide pipes all are positioned at three dry chambers, each dry chamber comprises bulkhead and hatchcover, the top seal of bulkhead and cylinder is fixed, hatchcover is connected with bulkhead by bolt, hatchcover is provided with air inlet and suction eye, and the bulkhead bottom is provided with the single slope drainage hole.
Described stake pipe is for prestress steel pile tube, filling core steel pipe pile or do not irritate the core steel pipe pile.
Be provided with the subdivision plate in the airtight cylinder of described levelling device, subdivision plate top links to each other with the cylindrical shell top cover, highly is no more than the cylindrical shell height, and the inner barrel space of cutting apart with the subdivision plate becomes cellular.
Described airtight dry chamber is round, square or 6-12 limit type.
But the job practices of the marine foundation structure of a kind of tripod type of described leveling may further comprise the steps:
1), by the operation of driving piles of three piling guide pipes on the tripod, the hatchcover and the bulkhead of provisions for grouting dry chamber are taken apart then by hanging device location tripod;
2) by the drain hole that advances on three cylinder top covers of levelling device setting-out is carried out or the operation of drawing water in cylinder inside,, whole foundation structure is carried out the leveling operation by being pressed into or extracting out to make and present malleation or negative pressure in the tube of water body;
3) by the facility junction plate at tripod top marine plant is installed;
4) levelness of Fundamentals of Measurement structure is if any deviation repeating step 2 then) carry out the secondary leveling;
5) hatchcover with the provisions for grouting dry chamber is connected by bolt seal with bulkhead, the air inlet gas injection in dry chamber that covers by dry chamber, water body in the cabin is discharged by the single slope drainage hole of dry type bulkhead bottom, and then the residual water in the cabin is all extracted out by the suction eye on the hatchcover;
6) in dry chamber, carry out grouting operation, stake pipe and piling guide pipe are frozen into one, finish whole foundation structure construction.
Advantage of the present invention and good effect are: by adopting leveling structural system and dry chamber grouting structural system, can realize the leveling and the grouting operation of foundation structure system; The present invention constructs simply, fast, required construction equipment has seldom been avoided expensive underwater grouting construction equipment, construction cost is low, comprehensive cost is low.
Description of drawings
Fig. 1 is the marine foundation structure schematic diagram of this tripod type.
Fig. 2 is the marine foundation structure vertical view of this tripod type.
Among the figure: 1. tripod 2. 3. of piling guide pipes are managed 4. facility junction plates
5. cylinder 6. top covers 7. advance drain hole 8. dry chambers 9. bulkheads 10. hatchcovers
11. air inlet 12. suction eyes 13. single slope drainage holes.
The specific embodiment
Embodiment:
But a kind of marine foundation structure of tripod type that is used for the leveling of offshore wind turbine equipment, comprise basic main part, levelling device and dry chamber provisions for grouting, the basis main part comprises steel piping tripod 1, three piling guide pipes 2 and three pile pipes 3, the bottom of tripod 1 is equilateral triangle, fix with three isometric steel pipes and the central tube that is positioned at tripod 1 top from leg-of-mutton three angle ends, the central tube top is fixed with facility junction plate 4, three angle end vertical fixing of three piling guide pipes 2 and tripod 1 bottom, three steel are irritated core stake pipe 3 respectively by the operation of driving piles of three piling guide pipes, 2 guiding; Levelling device is three airtight cylinders 5 that structure is identical, cylinder 5 is by the tube wall sealing and fixing of top cover 6 with piling guide pipe 2 lower ends, the base plate of cylinder 5 and a tube wall sealing and fixing of pipe 3, the top cover 6 of cylinder 5 is provided with into drain hole 7, is provided with the subdivision plate in the cylinder 5; The dry chamber provisions for grouting is three round airtight dry chambers 8 and the top that lays respectively at three cylinders 5 of levelling device, three piling guide pipes 2 all are positioned at three dry chambers 8, each dry chamber 8 comprises bulkhead 9 and hatchcover 10, top cover 6 sealing and fixing of bulkhead 9 and cylinder 5, hatchcover 10 is connected with bulkhead 9 by bolt, hatchcover 10 is provided with air inlet 11 and suction eye 12, and the bulkhead bottom is provided with single slope drainage hole 13.
Among this embodiment, the weight of steel piping tripod is 650t; The diameter that steel is irritated core stake pipe is 3m, the long 30m of being, the pile body gravity of three steel filling core stake pipe formations is 300t; Guide pipe is the steel pipe of diameter 3.2m; The airtight cylinder of levelling device is the round steel pipe of diameter 6m, high 6m, and the top cover diameter is 6m; Round airtight dry chamber is the round steel pipe of diameter 6m, high 8m, and the dry type hatchcover is the circular steel plate of diameter 6m, thick 100mm.
But the job practices of the marine foundation structure of the tripod type of the described leveling that is used for offshore wind turbine equipment may further comprise the steps:
1), by the operation of driving piles of three piling guide pipes on the tripod, the hatchcover and the bulkhead of provisions for grouting dry chamber are taken apart then by crane barge location tripod;
2) by the drain hole that advances on three cylinder top covers of levelling device setting-out is carried out or the operation of drawing water in cylinder inside,, whole foundation structure is carried out the leveling operation by being pressed into or extracting out to make and present malleation or negative pressure in the tube of water body;
3) by the facility junction plate at tripod top offshore wind turbine equipment is installed;
4) levelness of Fundamentals of Measurement structure is if any deviation repeating step 2 then) carry out the secondary leveling;
5) hatchcover with the provisions for grouting dry chamber is connected by bolt seal with bulkhead, the air inlet gas injection in dry chamber that covers by dry chamber, water body in the cabin is discharged by the single slope drainage hole of dry type bulkhead bottom, and then the residual water in the cabin is all extracted out by the suction eye on the hatchcover;
6) in dry chamber, carry out grouting operation, stake pipe and piling guide pipe are frozen into one, finish whole foundation structure construction.
Above-mentioned novel tripod foundation structure not only can be used for offshore wind turbine equipment, can also be used for other marine equipment, for example: marine anemometer tower etc.
Although in conjunction with the accompanying drawings the preferred embodiments of the present invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (5)
1. but the marine foundation structure of the tripod type of a leveling, it is characterized in that: comprise basic main part, levelling device and dry chamber provisions for grouting, the basis main part comprises steel piping tripod, three piling guide pipes and three pile pipes, the bottom of tripod is equilateral triangle, fix with three isometric steel pipes and the central tube that is positioned at the tripod top from leg-of-mutton three angle ends, the central tube top is fixed with the facility junction plate, three angle end vertical fixing of three piling guide pipes and tripod bottom, three pile pipes are respectively by the operation of driving piles of three piling guide pipes guiding; Levelling device is three airtight cylinders that structure is identical, and cylinder is by the tube wall sealing and fixing of top cover with piling guide pipe lower end, the tube wall sealing and fixing of the base plate of cylinder and stake pipe, and the top cover of cylinder is provided with into drain hole; The dry chamber provisions for grouting is three airtight dry chambers and the top that lays respectively at three cylinders of levelling device, three piling guide pipes all are positioned at three dry chambers, each dry chamber comprises bulkhead and hatchcover, the top seal of bulkhead and cylinder is fixed, hatchcover is connected with bulkhead by bolt, hatchcover is provided with air inlet and suction eye, and the bulkhead bottom is provided with the single slope drainage hole.
2. but according to the marine foundation structure of the tripod type of the described leveling of claim 1, it is characterized in that: described stake pipe is for prestress steel pile tube, filling core steel pipe pile or do not irritate the core steel pipe pile.
3. but according to the marine foundation structure of the tripod type of the described leveling of claim 1, it is characterized in that: be provided with the subdivision plate in the airtight cylinder of described levelling device, subdivision plate top links to each other with the cylindrical shell top cover, highly is no more than the cylindrical shell height, and the inner barrel space of cutting apart with the subdivision plate becomes cellular.
4. but according to the marine foundation structure of the tripod type of the described leveling of claim 1, it is characterized in that: described airtight dry chamber is round, square or 6-12 limit type.
5. but job practices of the marine foundation structure of tripod type of leveling according to claim 1 is characterized in that may further comprise the steps:
1), by the operation of driving piles of three piling guide pipes on the tripod, the hatchcover and the bulkhead of provisions for grouting dry chamber are taken apart then by hanging device location tripod;
2) by the drain hole that advances on three cylinder top covers of levelling device setting-out is carried out or the operation of drawing water in cylinder inside,, whole foundation structure is carried out the leveling operation by being pressed into or extracting out to make and present malleation or negative pressure in the tube of water body;
3) by the facility junction plate at tripod top marine plant is installed;
4) levelness of Fundamentals of Measurement structure is if any deviation repeating step 2 then) carry out the secondary leveling;
5) hatchcover with the provisions for grouting dry chamber is connected by bolt seal with bulkhead, the air inlet gas injection in dry chamber that covers by dry chamber, water body in the cabin is discharged by the single slope drainage hole of dry type bulkhead bottom, and then the residual water in the cabin is all extracted out by the suction eye on the hatchcover;
6) in dry chamber, carry out grouting operation, stake pipe and piling guide pipe are frozen into one, finish whole foundation structure construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110173952 CN102296623B (en) | 2011-06-27 | 2011-06-27 | Tripod type leveling offshore foundation structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110173952 CN102296623B (en) | 2011-06-27 | 2011-06-27 | Tripod type leveling offshore foundation structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102296623A true CN102296623A (en) | 2011-12-28 |
| CN102296623B CN102296623B (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110173952 Expired - Fee Related CN102296623B (en) | 2011-06-27 | 2011-06-27 | Tripod type leveling offshore foundation structure and construction method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535534A (en) * | 2012-01-05 | 2012-07-04 | 江苏海上龙源风力发电有限公司 | Construction process for leveling and grouting intertidal zone polygonal bracket fan foundation |
| CN104153366A (en) * | 2014-08-01 | 2014-11-19 | 中国铁建大桥工程局集团有限公司 | Offshore strong-stormy-wave high-intensity bare rock steel pipe pile foundation method |
| CN104213575A (en) * | 2014-09-30 | 2014-12-17 | 熊翱 | Hollow abutment foundation with pile caps and construction method of hollow abutment foundation |
| CN105064427A (en) * | 2015-07-15 | 2015-11-18 | 三一重型能源装备有限公司 | Offshore wind turbine and leveling device thereof |
| CN106381881A (en) * | 2016-09-14 | 2017-02-08 | 中国海洋大学 | Gravity-type single-pile foundation |
| CN106948366A (en) * | 2017-04-19 | 2017-07-14 | 合肥学院 | A kind of barrel base and accessory part and construction method for being easy to control perpendicularity |
| CN109372004A (en) * | 2018-09-27 | 2019-02-22 | 天津大学 | A kind of built-in more offshore wind power foundations |
| CN111364497A (en) * | 2020-03-25 | 2020-07-03 | 上海勘测设计研究院有限公司 | Offshore leveling multi-leg jacket spin pile foundation and construction method thereof |
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| CN2608560Y (en) * | 2003-04-28 | 2004-03-31 | 上海市隧道工程轨道交通设计研究院 | Immersed tube tunnel piling base structure |
| CN2642830Y (en) * | 2003-09-04 | 2004-09-22 | 山东华隆工程建设有限公司 | Positioning guiding device |
| JP2005069025A (en) * | 2003-08-27 | 2005-03-17 | Mitsui Eng & Shipbuild Co Ltd | Substructure and installation method for ocean wind power generation device |
| JP2007092406A (en) * | 2005-09-29 | 2007-04-12 | Mitsubishi Heavy Industries Bridge & Steel Structures Engineering Co Ltd | Foundation structure for on-water structure |
| CN201785765U (en) * | 2010-08-02 | 2011-04-06 | 中国水电顾问集团华东勘测设计研究院 | Secondary leveling structure for multi-pile base of marine wind power generator set |
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2011
- 2011-06-27 CN CN 201110173952 patent/CN102296623B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2608560Y (en) * | 2003-04-28 | 2004-03-31 | 上海市隧道工程轨道交通设计研究院 | Immersed tube tunnel piling base structure |
| JP2005069025A (en) * | 2003-08-27 | 2005-03-17 | Mitsui Eng & Shipbuild Co Ltd | Substructure and installation method for ocean wind power generation device |
| CN2642830Y (en) * | 2003-09-04 | 2004-09-22 | 山东华隆工程建设有限公司 | Positioning guiding device |
| JP2007092406A (en) * | 2005-09-29 | 2007-04-12 | Mitsubishi Heavy Industries Bridge & Steel Structures Engineering Co Ltd | Foundation structure for on-water structure |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535534A (en) * | 2012-01-05 | 2012-07-04 | 江苏海上龙源风力发电有限公司 | Construction process for leveling and grouting intertidal zone polygonal bracket fan foundation |
| CN102535534B (en) * | 2012-01-05 | 2016-01-20 | 江苏海上龙源风力发电有限公司 | A kind of intertidal zone multi-angular bracket blower foundation leveling grouting construction process |
| CN104153366A (en) * | 2014-08-01 | 2014-11-19 | 中国铁建大桥工程局集团有限公司 | Offshore strong-stormy-wave high-intensity bare rock steel pipe pile foundation method |
| CN104213575A (en) * | 2014-09-30 | 2014-12-17 | 熊翱 | Hollow abutment foundation with pile caps and construction method of hollow abutment foundation |
| CN104213575B (en) * | 2014-09-30 | 2016-05-18 | 熊翱 | With the hollow pier stylobate foundation construction of pile cover |
| CN105064427A (en) * | 2015-07-15 | 2015-11-18 | 三一重型能源装备有限公司 | Offshore wind turbine and leveling device thereof |
| CN106381881A (en) * | 2016-09-14 | 2017-02-08 | 中国海洋大学 | Gravity-type single-pile foundation |
| CN106381881B (en) * | 2016-09-14 | 2018-06-22 | 中国海洋大学 | A kind of gravity type single-pile foundation |
| CN106948366A (en) * | 2017-04-19 | 2017-07-14 | 合肥学院 | A kind of barrel base and accessory part and construction method for being easy to control perpendicularity |
| CN106948366B (en) * | 2017-04-19 | 2023-10-13 | 合肥学院 | Barrel-shaped foundation and auxiliary assembly convenient for controlling verticality and construction method |
| CN109372004A (en) * | 2018-09-27 | 2019-02-22 | 天津大学 | A kind of built-in more offshore wind power foundations |
| CN111364497A (en) * | 2020-03-25 | 2020-07-03 | 上海勘测设计研究院有限公司 | Offshore leveling multi-leg jacket spin pile foundation and construction method thereof |
| CN111364497B (en) * | 2020-03-25 | 2022-05-17 | 丁红岩 | Offshore leveling multi-leg jacket spin pile foundation and construction method thereof |
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| CN102296623B (en) | 2013-04-17 |
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