CN102296629A - Tower-drum structure suitable for ocean engineering and installation method thereof - Google Patents

Tower-drum structure suitable for ocean engineering and installation method thereof Download PDF

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Publication number
CN102296629A
CN102296629A CN2011102026587A CN201110202658A CN102296629A CN 102296629 A CN102296629 A CN 102296629A CN 2011102026587 A CN2011102026587 A CN 2011102026587A CN 201110202658 A CN201110202658 A CN 201110202658A CN 102296629 A CN102296629 A CN 102296629A
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CN
China
Prior art keywords
tower
guide pipe
concrete gravity
gravity formula
pedestal
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CN2011102026587A
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Chinese (zh)
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CN102296629B (en
Inventor
戴晓兵
刘路平
王立杰
伏亮明
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中国水电顾问集团中南勘测设计研究院
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Priority to CN 201110202658 priority Critical patent/CN102296629B/en
Publication of CN102296629A publication Critical patent/CN102296629A/en
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Publication of CN102296629B publication Critical patent/CN102296629B/en

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Abstract

The invention discloses a tower-drum structure suitable for ocean engineering and an installation method thereof, which are used for solving the problems of high installation and construction operation difficulty and high transportation and installation costs existing in the conventional tower-drum structure. The tower-drum structure comprises a concrete gravity foundation pedestal, a foundation tray, a guide pipe and a tower drum, wherein an injection pipe is arranged inside the guide pipe; the tower drum is sleeved on the outer side of the guide pipe; and the bottom edge of the tower drum is arranged in a tower drum collar of the concrete gravity foundation pedestal. The tower-drum structure has a simple structure, and is convenient to install; the requirement on the bearing force of a natural soft soil foundation can be met by adjusting the size of the foundation tray; and overall water haulage is adopted, so that the installation cost can be reduced effectively. The invention is particularly suitable for tower-drum structures such as sea areas with large water depths, wind generator sets and tide generator sets on soft soil foundations, and the like.

Description

A kind of tower core structure thing and mounting method thereof that is applicable to ocean engineering
Technical field
The present invention relates to a kind of infrastructure and mounting method thereof of ocean engineering, specifically be a kind of tower core structure thing and mounting method that is applicable to ocean engineering, refer in particular to bigger marine site of the depth of water and tower core structure things such as the wind power generating set on the soft foundation, tidal power generating unit.
Background technology
The foundation structure pattern of ocean engineering mainly comprises: single pile basis, concrete gravity formula basis, suction type foundation, many pile foundations and floatation type basis.Offshore drilling platforms adopts many pile foundations mostly, and the coastal waters wind power generating set adopts single pile steel work basis and concrete gravity formula basis mostly.The at present domestic concrete gravity formula basis pattern that generally adopts, because of himself huge weight can keep the stable of works, simple in structure, good stability is widely used in ocean engineerings such as harbour, harbour.
Corresponding, because concrete gravity formula basis pedestal weight is huge, the bearing capacity of natural soft soil foundation is difficult to meet the demands, and need carry out jackstone to sea bed usually and handle, in order to improve the supporting capacity of sea bed ground.When the depth of water is big, construction operations such as dredging operation, excavating foundation trench, fill block stone throwing and compaction in layers to sea bed all are difficult to carry out, huge basis weight also makes the transportation mounting cost significantly increase, thereby makes the cost of tower core structure things such as wind power generating set, tidal power generating unit significantly increase.
Summary of the invention
, transportation mounting cost high defective big at existing tower core structure thing construction operation difficulty on the ocean, the present invention aims to provide a kind of tower core structure thing and mounting method that is applicable to ocean engineering, this tower core structure thing is simple in structure, easy for installation, and utilize the characteristics of basic tray area greater than concrete gravity formula basis pedestal area, by increasing the area of basic pallet, reduce of the requirement of concrete gravity formula basis to the natural soft soil foundation bearing capacity, utilize whole haul waterborne, can reduce installation cost effectively.
For achieving the above object, the technical solution used in the present invention is: the described tower core structure thing that is applicable to ocean engineering, its design feature is, comprise concrete gravity formula basis and the tower tube that places on the concrete gravity formula basis, described concrete gravity formula basis comprises concrete gravity formula basis pedestal, basic pallet and guide pipe; Described basic pallet is positioned at pedestal below, concrete gravity formula basis and links to each other with concrete gravity formula basis pedestal base plate, and floor space that should the basis pallet is greater than the floor space of concrete gravity formula basis pedestal, described guide pipe is contained on the pedestal of concrete gravity formula basis, described tower jacket casing is contained in the guide pipe outside, and the root edge of this tower tube places on the pedestal of concrete gravity formula basis; Described guide pipe internal placement has Grouting Pipe, and this guide pipe outer wall offers the injected hole that a plurality of and described Grouting Pipe is communicated with.
As to further improvement of the present invention:
In order to guarantee that the tower tube can accurately be positioned on the pedestal of concrete gravity formula basis, the end face of described concrete gravity formula basis pedestal is provided with the tower jacket casing ring that is positioned at the guide pipe outside, the root edge of described tower tube places this tower jacket casing ring inboard, and the height of described guide pipe is greater than the depth of water of infield.
In order to realize the mortar depositing construction between guide pipe and tower tube, so that increase the rigidity of tower core structure thing, need to improve the hoop sealing effectiveness of tower tube root edge and concrete gravity formula basis pedestal end face, be provided with the sealing packing ring between described guide pipe and the tower jacket casing ring.
In order to adjust the verticality of tower tube, the top external diameter of described guide pipe is less than lower outer diameter.
Balance when installing in order to keep concrete gravity formula basis to transport better, described basic pallet internal placement has equilibrate counterweight and concora crush hole.
Further, the invention provides a kind of mounting method of above-mentioned tower core structure thing, specifically comprise the steps:
1), makes concrete gravity formula basis pedestal, guide pipe and associate member at sea on the basic pallet of floating and anchorage;
2), above-mentioned concrete gravity formula base integral is transported to the infield, the location, counterweight makes it keep balance;
3), water filling makes the concrete gravity formula immerge of being made up of concrete gravity formula basis pedestal, basic pallet and guide pipe in basic pallet;
4), utilize the guide pipe that exceeds the water surface tower tube to be positioned form the hoop sealing in the tower jacket casing ring of concrete gravity formula basis pedestal end face;
5, adjust the verticality of tower tube, and the water body between pump drainage guide pipe and the tower tube;
6), by pressure injection slurries in the gap of Grouting Pipe between guide pipe and tower tube in the guide pipe.
Wherein, described associate member comprises Grouting Pipe, tower jacket casing ring, sealing packing ring etc.Be provided with the sealing packing ring that is contained in concrete gravity formula basis pedestal end face between described tower jacket casing ring and the guide pipe, form the hoop sealing between the root edge of described tower tube and this sealing packing ring, sealing effectiveness is better.
Further, after concrete gravity formula immerge is finished, in order to make basic pallet obtain bigger ballast, fill block stone throwing in basic pallet;
Behind the water body between pump drainage guide pipe and the tower tube, before the pressure injection slurries, fill building stones or concrete in the gap between guide pipe and tower tube in the gap between guide pipe and tower tube.
Make the generally processing on land of basic pallet, the basic pallet after will completing then is transported to the marine and anchorage of offshore.
Compared with prior art, the invention has the beneficial effects as follows: the described tower core structure thing of ocean engineering that is applicable to utilizes basic tray area greater than concrete gravity formula basis pedestal area, be the characteristics of the buoyancy of basic pallet generation greater than the deadweight on concrete gravity formula basis, by increasing the area of basic pallet, reduce of the requirement of concrete gravity formula basis to the natural soft soil foundation bearing capacity; The buoyancy that utilizes basic pallet to produce makes concrete gravity formula base integral float on the water surface, reaches the purpose of whole haul waterborne, by water filling in basic pallet base integral is sunk, thereby reduces the transportation installation cost; Utilize equilibrate counterweight to regulate whole center of gravity, utilize the concora crush hole to regulate the internal pressure of unstable wake flow whirlpool body, concrete gravity formula base integral is steadily sunk, the pendulum in the deduction and exemption sinking process wafts.
After the basis installation of concrete gravity formula, utilize the guide effect of the guide pipe that exceeds the water surface, the tower tube is positioned in the tower jacket casing ring of concrete gravity formula basis pedestal end face, and forms the hoop sealing.Water body between pump drainage guide pipe and the tower tube, building stones or concrete are filled in the gap between guide pipe and tower tube, and make tower tube and guide pipe become integral body by Grouting Pipe slip casting, thereby improve the rigidity of tower core structure thing.When concrete gravity formula foundation immersion is on the bigger sea bed ground of gradient, utilize the characteristics of guide pipe top external diameter less than lower outer diameter, still can realize the vertical correction of tower tube to a certain extent.The mounting method of described tower core structure thing is easy, and the transportation installation cost is low.
The invention will be further elaborated below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the structural representation on concrete gravity formula of the present invention basis
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the lateral view of basic pallet of the present invention;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the drawing in side sectional elevation of guide pipe of the present invention.
In the drawings:
1-concrete gravity formula basis pedestal; 2-guide pipe; 3-Grouting Pipe;
4-injected hole; 5-tower jacket casing ring; 6-sealing packing ring;
7-basic pallet; 8-counterweight; 9-concora crush hole;
10-tower tube.
The specific embodiment
A kind of tower core structure thing that is applicable to ocean engineering as shown in Figure 1, comprises concrete gravity formula basis and the tower tube 10 that is contained on the concrete gravity formula basis.The structure on described concrete gravity formula basis comprises basic pallet 7 shown in Fig. 2~3, be contained in the concrete gravity formula basis pedestal 1 on the basic pallet 7 and be contained in the guide pipe 2 of concrete gravity formula basis pedestal 1 end face.Wherein, the first half of described concrete gravity formula basis pedestal 1 is a circular platform type, and the latter half is a column type, and its physical dimension should be determined according to upper load and sea bed foundation condition.The end face of concrete gravity formula basis pedestal 1 is provided with tower jacket casing ring 5 and sealing packing ring 6.The internal diameter of tower jacket casing ring 5 should be greater than the external diameter of tower tube 10 (as wind-force unit tower tube, trend unit tower tube).When foundation immersion is on the bigger sea bed ground of gradient, can be with the enlarged diameter of tower jacket casing ring 5, its diameter can calculate according to the height of the angle of inclination of sea bed ground, tower tube 10 external diameters, guide pipe 2 and top and the bottom external diameter equidimension and try to achieve, thereby realizes the vertical correction of tower tube.Sealing packing ring 6 agrees with mutually with the sealing packing ring of tower tube root edge, form the hoop sealing between tower tube 10 inboards and the guide pipe 2, make it to possess the condition that drains water body, quality in order to concrete and slip casting between the guarantee gap, make tower tube 10 and guide pipe 2 become integral body, improve the rigidity of tower core structure thing.
As Fig. 4~shown in Figure 5, basic pallet 7 connects into integral body with the bottom of concrete gravity formula basis pedestal 1, and the size of basic pallet 7 determines that by the supporting capacity of overall weight and sea bed ground the buoyancy of its generation should be able to make integral body float on the water surface.Pallet 7 inside, basis evenly are furnished with counterweight 8 and concora crush hole 9, counterweight 8 makes it keep balance in order to regulate whole center of gravity, the lower openings in concora crush hole 9 adopts airflow design, the bottom bore in this concora crush hole 9 is greater than the top bore, enough current are arranged by concora crush hole 9 when concrete gravity formula immerge, so that subdue the transient pressure of body inside, wake flow whirlpool, the pendulum in the deduction and exemption sinking process wafts.
As shown in Figure 6, the top external diameter of guide pipe 2 is less than lower outer diameter and exceed the water surface, and tower tube 10 accurately is positioned in the tower jacket casing ring 5, and tower tube 10 root edges and sealing packing ring 6 form the hoop sealing.Grouting Pipe 3 is evenly arranged in the inboard of guide pipe 2, and the injected hole 4 that is opened on guide pipe 2 tube walls directly is communicated with Grouting Pipe 3.When from Grouting Pipe 3 pressure injection slurries, slurries enter gap between the inboard and guide pipe 2 of tower tube by injected hole 4.
The above-mentioned mounting method that is applicable to the tower core structure thing of ocean engineering specifically comprises the steps:
1), processing and fabricating basis pallet 7 on land, basic pallet 7 after will completing then is transported to the marine and anchorage of offshore, makes concrete gravity formula basis pedestal 1, guide pipe 2, Grouting Pipe 3, tower jacket casing ring 5, sealing packing ring 6 etc. on the basic pallet 7 that swims in the marine also anchorage of offshore;
2), with the haul of above-mentioned concrete gravity formula base integral to the infield, the location, counterweight makes it keep balance;
3), water filling makes the steadily sinking of being made up of concrete gravity formula basis pedestal 1, guide pipe 2, basic pallet 7 of concrete gravity formula basis in basic pallet 7, after concrete gravity formula immerge is finished, fill block stone throwing in basic pallet 7;
4), utilize the guide pipe 2 that exceeds the water surface tower tube 10 to be positioned form the hoop sealing in the tower jacket casing ring 5 of concrete gravity formula basis end face;
5), adjust the verticality of tower tube 10 and the water body between pump drainage tower tube 10 and the guide pipe 2; Fill building stones or concrete then in the gap between guide pipe 2 and tower tube 10;
6), by pressure injection slurries in the gap of Grouting Pipe 3 between guide pipe 2 and tower tube 10 in the guide pipe 2.
The content that the foregoing description is illustrated should be understood to these embodiment and only is used to be illustrated more clearly in the present invention, limit the scope of the invention and be not used in, after having read the present invention, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present invention.

Claims (10)

1. tower core structure thing that is applicable to ocean engineering, it is characterized in that, comprise concrete gravity formula basis and the tower tube (10) that places on the concrete gravity formula basis, described concrete gravity formula basis comprises concrete gravity formula basis pedestal (1), basic pallet (7) and guide pipe (2); Described basic pallet (7) is positioned at concrete gravity formula basis pedestal (1) below and links to each other with concrete gravity formula basis pedestal (1) base plate, and floor space that should basis pallet (7) is greater than the floor space of the basic pedestal of concrete gravity formula (1); Described guide pipe (2) is contained on the concrete gravity formula basis pedestal (1); Described tower tube (10) is sleeved on guide pipe (2) outside, and the root edge of this tower tube (10) places on the concrete gravity formula basis pedestal (1); Described guide pipe (2) internal placement has Grouting Pipe (3), and this guide pipe (2) outer wall offers the injected hole (4) that a plurality of and described Grouting Pipe (3) is communicated with.
2. the tower core structure thing that is applicable to ocean engineering according to claim 1, it is characterized in that, the end face of described concrete gravity formula basis pedestal (1) is provided with the tower jacket casing ring (5) that is positioned at guide pipe (2) outside, and the root edge of described tower tube (10) places this tower jacket casing ring (5) inboard.
3. the tower core structure thing that is applicable to ocean engineering according to claim 2 is characterized in that, is provided with sealing packing ring (5) between described guide pipe (2) and the tower jacket casing ring (5), and the root edge of described tower tube (10) places on this sealing packing ring (6).
4. the tower core structure thing that is applicable to ocean engineering according to claim 1, it is characterized in that, described basic pallet (7) connects into integral body with the base plate of concrete gravity formula basis pedestal (1), and this basis pallet (7) internal placement has equilibrate counterweight (8) and concora crush hole (9).
5. the tower core structure thing that is applicable to ocean engineering according to claim 4 is characterized in that the bottom bore in described concora crush hole (9) is greater than the top bore.
6. according to the described tower core structure thing that is applicable to ocean engineering of one of claim 1~5, it is characterized in that, described guide pipe (2) connects into integral body with the end face of concrete gravity formula basis pedestal (1), the top external diameter of this guide pipe (2) is less than lower outer diameter, and the height of guide pipe (2) is greater than the depth of water of infield.
7. a mounting method that is used for the tower core structure thing of ocean engineering is characterized in that, comprises the steps:
1), basic pallet (7) floating at sea and anchorage is gone up and is made concrete gravity formula basis pedestal (1), guide pipe (2) and associate member;
2), the described concrete gravity formula of one of claim 1~6 base integral is transported to the infield, the location, counterweight makes it keep balance;
3), water filling makes the concrete gravity formula immerge of being made up of concrete gravity formula basis pedestal (1), basic pallet (7), guide pipe (2) in basic pallet (7);
4), utilize the guide pipe (2) that exceeds the water surface tower tube (10) to be positioned form the hoop sealing in the tower jacket casing ring (5) of concrete gravity formula basis pedestal (1) end face;
5), adjust the verticality of tower tube (10) and the water body between pump drainage tower tube (10) and the guide pipe (2);
6), by pressure injection slurries in the gap of Grouting Pipe (3) between guide pipe (2) and tower tube (10) in the guide pipe (2).
8. the mounting method of the tower core structure thing of stating according to claim 7 that is applicable to ocean engineering is characterized in that, after concrete gravity formula immerge is finished, tower tube (10) is installed before, fill block stone throwing in basic pallet (7).
9. the mounting method that is applicable to the tower core structure thing of ocean engineering according to claim 7, it is characterized in that, in step 4), be provided with the sealing packing ring (6) that is contained in concrete gravity formula basis pedestal (1) end face between described tower jacket casing ring (5) and the guide pipe (2), form the hoop sealing between the root edge of described tower tube (10) and this sealing packing ring (6).
10. the mounting method that is applicable to the tower core structure thing of ocean engineering according to claim 7, it is characterized in that, behind the water body between pump drainage tower tube (10) and the guide pipe (2), before the pressure injection slurries, fill building stones or concrete in the gap between guide pipe (2) and tower tube (10) in the gap between guide pipe (2) and tower tube (10).
CN 201110202658 2011-07-19 2011-07-19 Tower-drum structure suitable for ocean engineering and installation method thereof CN102296629B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103114568A (en) * 2013-03-17 2013-05-22 浙江海洋学院 Building supporting equipment applied to oceanographic engineering
CN103225304A (en) * 2013-04-28 2013-07-31 国电联合动力技术有限公司 Marine foundation supporting structure and construction method thereof
CN104321488A (en) * 2012-03-24 2015-01-28 Owlc控股有限公司 Structures for offshore installations
CN104452797A (en) * 2014-11-18 2015-03-25 江苏金海新能源科技有限公司 Steel cylinder foundation structure and equipment and construction method of steel cylinder foundation structure
CN105442899A (en) * 2015-12-01 2016-03-30 三一重型能源装备有限公司 Offshore anemometer tower and base thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3764643B2 (en) * 2000-10-23 2006-04-12 日立造船株式会社 Basic structure of offshore wind turbine generator
CN201339197Y (en) * 2008-12-10 2009-11-04 姚攀峰 Self-pressure tower tube base
WO2010143968A1 (en) * 2009-06-10 2010-12-16 Seatower As Caisson foundation
CN202164862U (en) * 2011-07-19 2012-03-14 中国水电顾问集团中南勘测设计研究院 Tower barrel type structure suitable for ocean engineering

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3764643B2 (en) * 2000-10-23 2006-04-12 日立造船株式会社 Basic structure of offshore wind turbine generator
CN201339197Y (en) * 2008-12-10 2009-11-04 姚攀峰 Self-pressure tower tube base
WO2010143968A1 (en) * 2009-06-10 2010-12-16 Seatower As Caisson foundation
CN202164862U (en) * 2011-07-19 2012-03-14 中国水电顾问集团中南勘测设计研究院 Tower barrel type structure suitable for ocean engineering

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
尚景宏等: "海上风电基础结构选型与施工工艺", 《应用科技》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9771700B2 (en) 2012-03-24 2017-09-26 Owlc Holdings Ltd. Structures for offshore installations
CN104321488A (en) * 2012-03-24 2015-01-28 Owlc控股有限公司 Structures for offshore installations
CN103114568A (en) * 2013-03-17 2013-05-22 浙江海洋学院 Building supporting equipment applied to oceanographic engineering
CN103225304A (en) * 2013-04-28 2013-07-31 国电联合动力技术有限公司 Marine foundation supporting structure and construction method thereof
CN103225304B (en) * 2013-04-28 2016-09-14 国电联合动力技术有限公司 A kind of marine foundation supporting structure and construction method thereof
CN104452797A (en) * 2014-11-18 2015-03-25 江苏金海新能源科技有限公司 Steel cylinder foundation structure and equipment and construction method of steel cylinder foundation structure
CN105442899A (en) * 2015-12-01 2016-03-30 三一重型能源装备有限公司 Offshore anemometer tower and base thereof

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