CN104947676B - Offshore grouting leakage preventing structure and method - Google Patents
Offshore grouting leakage preventing structure and method Download PDFInfo
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- CN104947676B CN104947676B CN201510374717.7A CN201510374717A CN104947676B CN 104947676 B CN104947676 B CN 104947676B CN 201510374717 A CN201510374717 A CN 201510374717A CN 104947676 B CN104947676 B CN 104947676B
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- grouting
- dividing plate
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- inner tube
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Abstract
The invention discloses an offshore grouting leakage preventing structure and method. The offshore grouting leakage preventing structure comprises a grouting outer pipe, a grouting inner pipe and a sealing partition plate, wherein one end of the grouting inner pipe stretches into the grouting outer pipe, an annular grouting channel is formed between the outer wall of the grouting inner pipe and the inner wall of the grouting outer pipe, a seal ring used for sealing and blocking the grouting channel is arranged between the grouting inner pipe and the grouting outer pipe, the sealing partition plate is arranged at one side, away from the grouting channel, of the seal ring and provided with at least one vent hole, and a net-shaped grid is arranged in each vent hole. The offshore grouting leakage preventing method includes the following steps that the seal ring is fixed outside the grouting inner pipe; the sealing partition plate is fixed in the grouting outer pipe; after pile sinking of the grouting outer pipe reaches the design elevation, the grouting inner pipe stretches into the grouting outer pipe and grouts mortar into the grouting channel. The offshore grouting leakage preventing structure and method can effectively ensure smooth construction of an offshore wind turbine foundation.
Description
Technical field
The present invention relates to field of ocean engineering, more particularly to a kind of marine grouting leakage-proof structure and marine grouting leakproof
Method.
Background technology
At present, offshore wind farm is quickly grown in new energy field because of advantages such as its cleaning, safety, development efficiency height, and
The basic engineering of offshore wind turbine is one of important content.At present, in the foundation pattern of various blower fans, catheterostat, under water
The foundation patterns such as three and three waterborne are used widely.Wherein, the linkage section that is in the milk is taken over from the past and set a new course for the future in whole construction link
One ring of key, and the key structure that whole supporting construction stress is formed a connecting link.Therefore, the design and construction of grouting linkage section
Very crucial, the price of grouting material is higher in addition, and the quality of grouting construction strictly need to be controlled, especially grouting sealing
Structure.According to existing grouting seal approach, even if construction is in strict accordance with requiring to perform, in high-volume construction operation, grouting
The situation of sealing structure failure still happens occasionally, so improving the reliability of grouting sealing, is to ensure that offshore wind turbine foundation is smooth
The key factor of construction, and improve the Reliable guarantee of offshore construction installation effectiveness.
The content of the invention
Based on this, the invention reside in overcoming the defect of prior art, there is provided be in the milk anti-drain junction at a kind of sea of good airproof performance
Structure and marine grouting anti-leaking method, can effective guarantee offshore wind turbine foundation smooth construction, be particularly suited for that grouting quantity is big, grouting matter
Measure unmanageable situation.
Its technical scheme is as follows：
The marine grouting leakage-proof structure of one kind, including grouting outer tube, grouting inner tube, seals dividing plate, and the one of the grouting inner tube
End is stretched in grouting outer tube, and the outer wall of the grouting inner tube forms the grouting channel of ring-type, the filling with the inwall of grouting outer tube
The sealing ring for blocking the grouting channel is provided between slurry inner tube and grouting outer tube, and the sealing dividing plate is arranged on sealing ring
Away from the side of the grouting channel, the sealing dividing plate is provided with least one passage, is provided with netted in the passage
Grid.
Wherein in one embodiment, the sealing ring is set on the outer wall of grouting inner tube, and the sealing dividing plate is fixed
On the inwall of grouting outer tube.
Wherein in one embodiment, the sealing dividing plate is welded on the inwall of grouting outer tube.
Wherein in one embodiment, the sealing dividing plate is arranged on the position of 100-300mm below grouting inner tube outlet
Place.
Wherein in one embodiment, the passage is one, and the passage is located at the center of sealing dividing plate, and described
Passage is circular or square.
Wherein in one embodiment, the full-size of the mesh grille is less than the maximum that grouting material self-healing is allowed
Size.
Wherein in one embodiment, the sealing ring includes fixes sleeve and plugging hood, and the plugging hood is connected to solid
Determine the port of sleeve, the fixes sleeve is bolted in the grouting inner tube by some.
Wherein in one embodiment, the end of the bolt is additionally provided with protection pad.
The present invention also provides a kind of marine grouting anti-leaking method, comprises the following steps：
Sealing ring is fixed on outside grouting inner tube；
Sealing dividing plate is fixed in grouting outer tube；
Grouting outer tube pile sinking is to design altitude；
Grouting inner tube is stretched in grouting outer tube and the grouting towards in grouting channel.
The marine grouting anti-leaking method specifically includes following steps：
The length of grouting outer tube is stretched into according to grouting inner tube, sealing dividing plate is fixed on into 100- below grouting inner tube outlet
At the position of 300mm.
Below the advantage or principle of preceding solution are illustrated：
Above-mentioned marine grouting leakage-proof structure and marine grouting anti-leaking method, realize bilayer by sealing ring and sealing dividing plate
Leakproof, when being in the milk toward in grouting channel, sealing ring realizes first sealing and anti-leakage of grouting material, if the sealing effect of sealing ring
Fruit is intact, and sealing dividing plate will not play sealing function, only has the effect for improving grouting outer tube intensity.If sealing ring is close
Sealing property is partially or fully lost because of a variety of causes of work progress, and grouting material is would leak on sealing dividing plate, seals dividing plate
Passage on be provided with mesh grille, initially have a small amount of grouting material down leak by mesh grille, due to injection material
Material can be blocked by grouting material with certain self-healing capability, at leisure these mesh grilles, and sealing dividing plate is played immediately
Leak preventing effect.
Description of the drawings
Fig. 1 is the structural representation of the marine grouting leakage-proof structure described in the embodiment of the present invention；
Fig. 2 is the enlarged diagram at A in Fig. 1；
Fig. 3 is the structural representation of the sealing dividing plate described in the embodiment of the present invention.
Description of reference numerals：
1st, be in the milk outer tube, 2, grouting inner tube, 3, sealing dividing plate, 4, sealing ring, 5, bolt, 6, protection pad, 10, grouting it is logical
Road, 30, passage, 31, mesh grille, 40, fixes sleeve, 41, plugging hood.
Specific embodiment
Below embodiments of the invention are described in detail：
As shown in Figure 1,3, the marine grouting leakage-proof structure described in the present embodiment, including grouting outer tube 1, grouting inner tube 2, close
Packing plate 3, one end of the grouting inner tube 2 are stretched in grouting outer tube 1, and the outer wall of the grouting inner tube 2 is interior with grouting outer tube 1
Wall forms the grouting channel 10 of ring-type, is provided with for blocking the grouting channel 10 between the grouting inner tube 2 and grouting outer tube 1
Sealing ring 4, it is described sealing dividing plate 3 be arranged on side of the sealing ring 4 away from the grouting channel 10, on the sealing dividing plate 3
At least one passage 30 is provided with, in the passage 30, mesh grille 31 is provided with.
The present embodiment also provides a kind of marine grouting anti-leaking method, comprises the following steps：
Sealing ring 4 is fixed on outside grouting inner tube 2；
Sealing dividing plate 3 is fixed in grouting outer tube 1；
Grouting 1 pile sinking of outer tube is to design altitude；
Grouting inner tube 2 is stretched in grouting outer tube 1 and towards grouting in grouting channel 10.
Above-mentioned marine grouting leakage-proof structure and marine grouting anti-leaking method, it is double to realize with sealing dividing plate 3 by sealing ring 4
Layer leakproof, when grouting in grouting channel 10, sealing ring 4 realizes first sealing and anti-leakage of grouting material, if sealing ring 4
Sealing effectiveness is intact, and sealing dividing plate 3 will not play sealing function, only has the effect for improving grouting 1 intensity of outer tube.If close
The sealing property of seal 4 is partially or fully lost because of a variety of causes of work progress, and grouting material would leak into sealing dividing plate 3
On, mesh grille 31 is provided with the passage 30 for sealing dividing plate 3, initially have a small amount of grouting material past by mesh grille 31
Lower leakage, as grouting material has certain self-healing capability, these mesh grilles 31 can be blocked by grouting material at leisure
Firmly, seal dividing plate 3 and play leak preventing effect immediately.
As shown in Fig. 2 first, by land in processing factory, sealing ring 4 is set on the outer wall of grouting inner tube 2, and is passed through
If bolt stem 5 is fixed in the grouting inner tube 2, wherein, sealing ring 4 includes integrally formed fixes sleeve 40 and plugging hood
41, fixes sleeve 40 is used for being fixed by socket, and plugging hood 41 is connected to the port of fixes sleeve 40, for plugging grouting passage
10.The end of bolt 5 is additionally provided with protection pad 6, in case bolt 5 is destroyed in installation process.
As shown in figure 3, sealing dividing plate 3 is also welded on the inwall of grouting outer tube 1 in the processing factory of land, it is solid and reliable.
The position of the sealing welding of dividing plate 3 need to be determined according to the length of the grouting insertion grouting outer tube 1 of inner tube 2, it is preferred that sealing dividing plate 3 sets
Put below the grouting outlet of inner tube 2 at the position of 100-300mm, distance should not be excessive, in case the grouting material of consume increases；Also
Should not be too small, the too small impact that will cause to offset piling vertical error.
As shown in figure 1, when grouting 1 pile sinking of outer tube, having air and sea water up springing up, seal the passage of dividing plate 3
30 now can be used for air-out and sea water.After 1 pile sinking of outer tube that is in the milk is to design altitude, by the wind including grouting inner tube 2
In machine basis insertion grouting outer tube 1, after blower foundation is in place, start to carry out grouting construction to which.
If the sealing effectiveness of sealing ring 4 is intact, sealing dividing plate 3 will not play sealing function, only have and improve grouting
The effect of 1 intensity of outer tube.If the sealing property of sealing ring 4 is partially or fully lost because of a variety of causes of work progress, injection material
Material is would leak on sealing dividing plate 3, is provided with mesh grille 31, initially has a small amount of injection material on the passage 30 for sealing dividing plate 3
Material can be down leaked by mesh grille 31, as grouting material has certain self-healing capability, these netted lattice at leisure
Grid 31 can be blocked by grouting material, and sealing dividing plate 3 plays leak preventing effect immediately.
In the present embodiment, the passage 30 is one, and the passage 30 is located at the center of sealing dividing plate 3, and described
Passage 30 is circular or square.It should be understood that the different passages 30 of number, the different set locations of passage 30 and
The different shape of passage 30 all should be within the scope of the present invention.In addition, the full-size of the mesh grille 31 is needed
Less than the full-size that grouting material self-healing is allowed, prevent grouting material from occurring the feelings that can not be healed in mesh grille 31
Condition.In other embodiments, it is also possible to which multi-layer sealed circle 4 and/or multi-layer sealed dividing plate 3, but sealing ring 4 and sealing dividing plate are set
3 cost is high, and the economy of single sealing ring 4 and single sealing dividing plate 3 described in the present embodiment is more excellent.
The high-strength fill material of costliness for offshore construction, if leakproof is improper, is not only wasted, construction can be also affected
Dispatching expense and duration for ship machine equipment, of the invention to provide dual safety guarantee for marine grouting, its beneficial effect brought
Significantly.
Each technical characteristic of embodiment described above arbitrarily can be combined, for making description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and
Therefore can not be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art comes
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (9)
1. a kind of marine grouting leakage-proof structure, it is characterised in that including grouting outer tube, grouting inner tube, sealing dividing plate, the grouting
One end of inner tube is stretched in grouting outer tube, and the grouting that the outer wall of the grouting inner tube forms ring-type with the inwall of grouting outer tube is led to
Road, is provided with the sealing ring for blocking the grouting channel between the grouting inner tube and grouting outer tube, the sealing dividing plate sets
The side away from the grouting channel in sealing ring is put, the sealing dividing plate is provided with least one passage, the passage
Mesh grille is provided with inside, the sealing dividing plate is arranged on below grouting inner tube outlet, and the full-size of the mesh grille is less than
The full-size that grouting material self-healing is allowed.
2. marine grouting leakage-proof structure according to claim 1, it is characterised in that the sealing ring is set in grouting inner tube
Outer wall on, it is described sealing dividing plate be fixed on grouting outer tube inwall on.
3. marine grouting leakage-proof structure according to claim 2, it is characterised in that it is outer that the sealing dividing plate is welded on grouting
On the inwall of pipe.
4. marine grouting leakage-proof structure according to claim 2, it is characterised in that the sealing dividing plate is arranged in grouting
At the position of pipe outlet lower section 100-300mm.
5. marine grouting leakage-proof structure according to claim 1, it is characterised in that the passage is, the ventilation
Hole position is in the center of sealing dividing plate, and the passage is circular or square.
6. the marine grouting leakage-proof structure according to any one of claim 1-5, it is characterised in that the sealing ring includes solid
Determine sleeve and plugging hood, the plugging hood is connected to the port of fixes sleeve, if the fixes sleeve is fixed by bolt stem
In the grouting inner tube.
7. marine grouting leakage-proof structure according to claim 6, it is characterised in that the end of the bolt is additionally provided with guarantor
Protective pad piece.
8. a kind of marine grouting anti-leaking method of the marine grouting leakage-proof structure based on as described in any one of claim 1-7, its
It is characterised by, comprises the following steps：
Sealing ring is fixed on outside grouting inner tube；
Sealing dividing plate is fixed in grouting outer tube；
Grouting outer tube pile sinking is to design altitude；
Grouting inner tube is stretched in grouting outer tube and the grouting towards in grouting channel.
9. marine grouting anti-leaking method according to claim 8, it is characterised in that specifically include following steps：
The length of grouting outer tube is stretched into according to grouting inner tube, sealing dividing plate is fixed on into 100-300mm below grouting inner tube outlet
Position at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374717.7A CN104947676B (en) | 2015-06-29 | 2015-06-29 | Offshore grouting leakage preventing structure and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510374717.7A CN104947676B (en) | 2015-06-29 | 2015-06-29 | Offshore grouting leakage preventing structure and method |
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| Publication Number | Publication Date |
|---|---|
| CN104947676A CN104947676A (en) | 2015-09-30 |
| CN104947676B true CN104947676B (en) | 2017-03-22 |
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| CN201510374717.7A Active CN104947676B (en) | 2015-06-29 | 2015-06-29 | Offshore grouting leakage preventing structure and method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105604084B (en) * | 2016-03-02 | 2018-11-02 | 福建省水利水电勘测设计研究院 | Offshore wind turbine foundation steel-pipe pile and changeover portion high undersea hydrostatic pressures grouting connection structure and its installation method |
| CN107268665A (en) * | 2017-07-27 | 2017-10-20 | 浙江华蕴海洋工程技术服务有限公司 | The sealing device and encapsulating method of marine fan jacket foundation |
| CN108930282A (en) * | 2018-08-01 | 2018-12-04 | 中国能源建设集团广东省电力设计研究院有限公司 | More connection structures, the construction method of offshore support structure and offshore support structure |
| CN108708686A (en) * | 2018-08-21 | 2018-10-26 | 天津熙盛科技发展有限公司 | A kind of passive type has the underwater packer of diminution gap function |
| JP6830505B2 (en) * | 2019-04-12 | 2021-02-17 | 五洋建設株式会社 | How to repair steel pipe piles |
| CN111560936B (en) * | 2020-07-13 | 2020-09-25 | 东营金联建筑工程有限公司 | Umbrella-shaped self-opening type ocean engineering pile pipe packer |
| CN111910672B (en) * | 2020-07-27 | 2021-08-31 | 浙江大学 | Device and method for monitoring grouting sleeve of offshore wind turbine and guaranteeing operation safety |
| CN113356214A (en) * | 2021-06-04 | 2021-09-07 | 中交第三航务工程局有限公司江苏分公司 | Grouting bottom sealing method for offshore wind turbine jacket foundation structure |
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| US4804018A (en) * | 1987-10-30 | 1989-02-14 | Mcdermott International, Inc. | Grouted closure assembly |
| US20120107053A1 (en) * | 2010-08-20 | 2012-05-03 | Hilgefort Gmbh Anlagenkomponenten Und Apparatebau | Sandwich base structure for off-shore wind turbines |
| JP5708982B2 (en) * | 2010-10-04 | 2015-04-30 | 清水建設株式会社 | Leakage prevention structure for filled concrete |
| DE102012024412A1 (en) * | 2012-12-14 | 2014-06-18 | Senvion Se | Method for anchoring a foundation structure and foundation structure |
| CN103233481B (en) * | 2013-04-17 | 2015-08-12 | 广东明阳风电产业集团有限公司 | A kind of jacket support structure connected that is in the milk |
| CN103437372B (en) * | 2013-08-13 | 2016-08-10 | 广东明阳风电产业集团有限公司 | A kind of connecting structure for jacket foundation and underwater pile foundation of offshore wind turbine and grouting method |
| CN103967036B (en) * | 2014-05-07 | 2016-12-07 | 中国水电顾问集团华东勘测设计研究院有限公司 | Stake and sleeve grouting attachment structure and construction method thereof for offshore wind farm |
| CN104532848A (en) * | 2014-12-29 | 2015-04-22 | 广州华申建设工程管理有限公司 | Underwater dry grouting component for offshore wind power and implementation method thereof |
| CN104594317B (en) * | 2015-01-13 | 2017-05-10 | 江苏金风科技有限公司 | Working platform, single pile foundation, offshore working platform and installing method of offshore working platform |
| CN204780931U (en) * | 2015-06-29 | 2015-11-18 | 中国能源建设集团广东省电力设计研究院有限公司 | Marine grout leak protection structure |
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