CN205688413U - A kind of prefabricated water intaking in power plant immersed tunnel structure - Google Patents
A kind of prefabricated water intaking in power plant immersed tunnel structure Download PDFInfo
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- CN205688413U CN205688413U CN201620633413.8U CN201620633413U CN205688413U CN 205688413 U CN205688413 U CN 205688413U CN 201620633413 U CN201620633413 U CN 201620633413U CN 205688413 U CN205688413 U CN 205688413U
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- tube
- immersed
- immersed tube
- tunnel structure
- tube coupling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model discloses a kind of prefabricated water intaking in power plant immersed tunnel structure; including multiple end to end immersed tube tube couplings; the seam crossing of described immersed tube tube coupling is respectively provided with joinery and its construction; end at described immersed tube joints of segment is respectively provided with double-layer rubber waterstop; described immersed tube joints of segment top is all coated with geotextiles, and described geotextiles is arranged over block stone protective layer.This utility model is provided with concavo-convex joinery and its construction overlap joint in immersed tube tube coupling end, just considers the precision of immersed tube docking from design angle, as long as the socket joint completed during construction between immersed tube connects, substantially without occurring flushing the level of existence and vertical problem of misalignment.This utility model arranges double-deck Q type rubber fastening band in immersed tube tube coupling end, compares monolayer rubber fastening band, and leak preventing effect is more preferable, and joint quality is more guaranteed.Double-layer rubber sealing interband uses grouting stuff up a crack, further ensures seam crossing leak preventing effect.
Description
Technical field
This utility model relates to a kind of prefabricated water intaking in power plant immersed tunnel structure.
Background technology
Both at home and abroad, the docking between power plant's prefabricated water intaking immersed tube typically uses and flushes structure, is i.e. flat at immersed tube end joint
Crack structure, pre-buried rubber fastening band on the concrete cross section of end, by under water to drawing immersed tube, extrude rubber fastening band, come real
Docking between existing immersed tube.
Flushing docking structure pattern fairly simple, end only relies on one layer of rubber fastening band and carries out leakproof, at wave, under water
Under the influence of the many factors such as construction/differential settlement, easily occur that immersed tube is vertical to drawing insufficient, immersed tube horizontal displacement, immersed tube
The problems such as dislocation, thus the formation of the sand passage that causes leaking, leak, if water intaking immersed tube seam crossing pours in silt or marine growth, one
It is the immersed tube water intaking section that can block up, makes immersed tube water withdrawal be affected；Two be can enter circulation intake front pool and then
Suck the process equipment such as water pump and condenser, cause equipment heavy wear, even cause plant shutdown.Therefore, water intaking
The docking technique of design and construction of immersed tube is the key technology that can relation water intaking immersed tube effectively run.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of prefabricated water intaking in power plant immersed tube
Structure, is docked by spigot-and-socket between immersed tube tube coupling, rational in infrastructure, good leak-proof effect, and joint quality is more guaranteed, it is easy to execute
Work.
For achieving the above object, this utility model employing following technical proposals:
A kind of prefabricated water intaking in power plant immersed tunnel structure, including multiple end to end immersed tube tube couplings, described immersed tube tube coupling
Seam crossing is respectively provided with joinery and its construction, and the end at described immersed tube joints of segment is respectively provided with double-layer rubber waterstop, described immersed tube pipe
Joint seam top is all coated with geotextiles, and described geotextiles is arranged over block stone protective layer.
One end of described immersed tube tube coupling is provided with tenon/tongue-and-groove, and the other end of immersed tube tube coupling is provided with tongue-and-groove/tenon.
Being reserved with filling sand hole on described immersed tube tube coupling sidewall, described immersed tube tube coupling lateral wall is being embedded with filling near seam crossing
Slurry pipe.
Arranging filling sand bedding bottom described immersed tube tube coupling, the setting position of described filling sand bedding is provided with rubble buttress and supports
Immersed tube tube coupling.
Radial section size at described immersed tube joints of segment is more than the radial section size in the middle part of immersed tube tube coupling.
Block stone protective layer it also is provided with above the middle part of described immersed tube tube coupling；Whole immersed tube tube coupling is all protected by block stone protective layer
Protect under it, can farthest protect immersed tube tube coupling and suffer damage.
Described block of stone protective layer is provided with multilamellar, and multilamellar block stone protective layer is sequentially overlapped and is arranged on above geotextiles.
Described double-layer rubber waterstop includes internal layer rubber fastening band and outer layer rubber waterstop, described outer layer rubber sealing
The size of band is more than the size of internal layer rubber fastening band.
The beneficial effects of the utility model are:
This utility model is provided with concavo-convex joinery and its construction overlap joint in immersed tube tube coupling end, just considers immersed tube from design angle
The precision of docking, as long as the socket joint that completes during construction between immersed tube connects, substantially without occurring flushing the level of existence and vertically wrong
Position problem.
This utility model arranges double-deck Q type rubber fastening band in immersed tube tube coupling end, compares monolayer rubber fastening band, leakproof
Effect is more preferable, and joint quality is more guaranteed.Double-layer rubber sealing interband uses grouting stuff up a crack, further ensures seam crossing leakproof
Effect.
This utility model uses geotextiles parcel at immersed tube joints of segment top and both sides, arranges rubble on geotextiles
And block stone protective layer, completely cut off sea sand, the passage of seawater living entrance seam, fundamentally solve water intaking immersed tube seam leakiness
Water, dew sand, immersed tube dislocation impact water intaking security problems.
This utility model is provided above multilamellar block stone protective layer at immersed tube tube coupling, can preferably protect immersed tube tube coupling not to be subject to
The infringement of outer bound pair immersed tube tube coupling.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model immersed tunnel structure；
Fig. 2 is the cooperation schematic diagram between this utility model adjacent immersed tube tube coupling；
Fig. 3 is the layout schematic diagram of rubber fastening band；
In figure, 1 is immersed tube tube coupling, and 2 is joinery and its construction, and 3 is geotextiles, and 4 is block stone protective layer, and 5 for filling sand bedding, and 6 are
Rubble buttress, 7 is double-layer rubber waterstop, and 8 is grout pipe, and 9 for drawing jack, and 10 is grouting, and 11 is internal layer rubber water-proof
Band, 12 is outer layer rubber waterstop.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As Figure 1-Figure 2, a kind of prefabricated water intaking in power plant immersed tunnel structure, including multiple end to end immersed tube tube couplings 1,
The seam crossing of immersed tube tube coupling 1 is respectively provided with joinery and its construction 2, and the end of immersed tube tube coupling 1 seam crossing is respectively provided with double-layer rubber waterstop 7,
Immersed tube tube coupling 1 seam top is all coated with geotextiles 3, and geotextiles 3 is arranged over block stone protective layer 4.Immersed tube joints of segment top
And both sides use geotextiles parcel, rubble and block stone protective layer are set on geotextiles, have completely cut off sea sand, seawater living entrance
The passage of seam.
One end of immersed tube tube coupling 1 is provided with tenon/tongue-and-groove, and the other end of immersed tube tube coupling 1 is provided with tongue-and-groove/tenon.Adjacent connection
The end of one of them immersed tube tube coupling 1 of two immersed tube tube couplings 1 tenon is set, the end of another immersed tube tube coupling 1 arrange with
The tongue-and-groove that this tenon coordinates.Use spigot-and-socket docking mode between immersed tube tube coupling 1, often save immersed tube tube coupling 1 two ends section surrounding
It is respectively provided with concavo-convex Tenon overlap joint, between adjacent immersed tube, carries out socket joint connection, it is ensured that what immersed tube connected is accurately positioned.Immersed tube pipe
Joint end is provided with concavo-convex joinery and its construction overlap joint, although this kind of structural shape is complex relative to flush joint design, but it is from setting
Meter angle just considers the precision of immersed tube docking, as long as the socket joint completed during construction between immersed tube connects, substantially without occurring flushing
The level existed and vertical problem of misalignment.
Being reserved with filling sand hole on immersed tube tube coupling 1 sidewall, immersed tube tube coupling 1 lateral wall is being embedded with grout pipe 8 near seam crossing.
Arranging filling sand bedding 5 bottom immersed tube tube coupling 1, the setting position of filling sand bedding 5 is provided with rubble buttress 6 and supports immersed tube
Tube coupling 1.
The radial section size of immersed tube tube coupling 1 seam crossing is more than the radial section size in the middle part of immersed tube tube coupling.
Block stone protective layer 4 it also is provided with above the middle part of immersed tube tube coupling 1；Whole immersed tube tube coupling 1 is all protected by block stone protective layer 4
Protect under it, can farthest protect immersed tube tube coupling 1 and suffer damage.
Block stone protective layer 4 is provided with multilamellar, and multilamellar block stone protective layer 4 is sequentially overlapped and is arranged on above geotextiles 3.
As it is shown on figure 3, immersed tube tube coupling 1 end arranges inside and outside double-layered anti-leakage water, the Q type rubber fastening band of leakage sand.Double-deck rubber
Glue waterstop 7 includes internal layer rubber fastening band 11 and outer layer rubber waterstop 12, and the size of outer layer rubber waterstop 12 is more than interior
The size of layer rubber fastening band 11.
Arranging rubble buttress 6 bottom foundation trench and immersed tube tube coupling 1 is carried out Primary Location, after immersed tube tube coupling locates, it is right to utilize
Draw jack 9 to carry out drawing to immersed tube tube coupling 1, extrude Q type rubber fastening band, make to combine closely between immersed tube tube coupling 1.To pulling
After one-tenth, the filling sand hole by being reserved on immersed tube tube coupling sidewall carries out high pressure filling chamotte sand, enriches bottom immersed tube tube coupling.At the bottom of bedding
Portion fills after sand completes, then carries out pressure grouting by the pre-buried grout pipe 8 gap between double-layer rubber waterstop 7, seam it
Between real by grouting 10 filling.Wrap up geotextiles 3 at immersed tube tube coupling 1 seam top and both sides, and block stone protective layer is set thereon
4.Immersed tube merging precision and sealing effectiveness is made to reach to design requirement eventually through above-mentioned measures.Immersed tube tube coupling end arranges double
Layer Q type rubber fastening band, compares monolayer rubber fastening band, and leak preventing effect is more preferable, and joint quality is more guaranteed.Double-layer rubber sealing
Interband uses grouting stuff up a crack, further ensures seam crossing leak preventing effect.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines, but not new to this practicality
The restriction of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not to pay various amendments or deformation that creative work can make still at protection model of the present utility model
Within enclosing.
Claims (8)
1. the prefabricated water intaking in a power plant immersed tunnel structure, is characterized in that, including multiple end to end immersed tube tube couplings, described immersed tube
The seam crossing of tube coupling is respectively provided with joinery and its construction, and the end at described immersed tube joints of segment is respectively provided with double-layer rubber waterstop, described
Immersed tube joints of segment top is all coated with geotextiles, and described geotextiles is arranged over block stone protective layer.
2. immersed tunnel structure as claimed in claim 1, is characterized in that, one end of described immersed tube tube coupling is provided with tenon/tongue-and-groove, immersed tube
The other end of tube coupling is provided with tongue-and-groove/tenon.
3. immersed tunnel structure as claimed in claim 1, is characterized in that, described immersed tube tube coupling sidewall is reserved with filling sand hole, described
Immersed tube tube coupling lateral wall is being embedded with grout pipe near seam crossing.
4. immersed tunnel structure as claimed in claim 1, is characterized in that, arranges filling sand bedding, described filling bottom described immersed tube tube coupling
The setting position of sand bedding is provided with rubble buttress and supports immersed tube tube coupling.
5. the immersed tunnel structure as described in claim 1 or 3, is characterized in that, the radial section size at described immersed tube joints of segment
More than the radial section size in the middle part of immersed tube tube coupling.
6. immersed tunnel structure as claimed in claim 1, is characterized in that, also is provided with the protection of block stone above the middle part of described immersed tube tube coupling
Layer.
7. immersed tunnel structure as claimed in claim 1, is characterized in that, described block of stone protective layer is provided with multilamellar, and multilamellar block stone is protected
Sheath is sequentially overlapped and is arranged on above geotextiles.
8. immersed tunnel structure as claimed in claim 1, is characterized in that, described double-layer rubber waterstop includes internal layer rubber fastening band
With outer layer rubber waterstop, the size of described outer layer rubber waterstop is more than the size of internal layer rubber fastening band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620633413.8U CN205688413U (en) | 2016-06-23 | 2016-06-23 | A kind of prefabricated water intaking in power plant immersed tunnel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620633413.8U CN205688413U (en) | 2016-06-23 | 2016-06-23 | A kind of prefabricated water intaking in power plant immersed tunnel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205688413U true CN205688413U (en) | 2016-11-16 |
Family
ID=57424985
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|---|---|---|---|
| CN201620633413.8U Active CN205688413U (en) | 2016-06-23 | 2016-06-23 | A kind of prefabricated water intaking in power plant immersed tunnel structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222949A (en) * | 2018-01-03 | 2018-06-29 | 上海市机械施工集团有限公司 | Passage construction structures and methods |
| CN109653250A (en) * | 2018-12-17 | 2019-04-19 | 彭国洪 | A kind of simple method of construction of seabed tunnel |
| CN110670633A (en) * | 2019-08-21 | 2020-01-10 | 柯贤泽 | Immersed tube tunnel joint connection method and intelligent monitoring device |
| CN113445546A (en) * | 2021-07-01 | 2021-09-28 | 中建筑港集团有限公司 | Method and device for repairing seams of ocean water taking box culvert and construction tool |
| CN117090207A (en) * | 2023-10-19 | 2023-11-21 | 中铁第六勘察设计院集团有限公司 | Sand filling treatment device for immersed tunnel foundation and construction method |
-
2016
- 2016-06-23 CN CN201620633413.8U patent/CN205688413U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222949A (en) * | 2018-01-03 | 2018-06-29 | 上海市机械施工集团有限公司 | Passage construction structures and methods |
| CN109653250A (en) * | 2018-12-17 | 2019-04-19 | 彭国洪 | A kind of simple method of construction of seabed tunnel |
| CN110670633A (en) * | 2019-08-21 | 2020-01-10 | 柯贤泽 | Immersed tube tunnel joint connection method and intelligent monitoring device |
| CN110670633B (en) * | 2019-08-21 | 2021-08-13 | 柯贤泽 | Immersed tube tunnel joint connection method and intelligent monitoring device |
| CN113445546A (en) * | 2021-07-01 | 2021-09-28 | 中建筑港集团有限公司 | Method and device for repairing seams of ocean water taking box culvert and construction tool |
| CN117090207A (en) * | 2023-10-19 | 2023-11-21 | 中铁第六勘察设计院集团有限公司 | Sand filling treatment device for immersed tunnel foundation and construction method |
| CN117090207B (en) * | 2023-10-19 | 2023-12-26 | 中铁第六勘察设计院集团有限公司 | Sand filling treatment device for immersed tunnel foundation and construction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |