CN207537993U - A kind of diversion tunnel concrete plug - Google Patents
A kind of diversion tunnel concrete plug Download PDFInfo
- Publication number
- CN207537993U CN207537993U CN201721440828.4U CN201721440828U CN207537993U CN 207537993 U CN207537993 U CN 207537993U CN 201721440828 U CN201721440828 U CN 201721440828U CN 207537993 U CN207537993 U CN 207537993U
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- CN
- China
- Prior art keywords
- plug
- diversion tunnel
- diversion
- construction
- gallery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of diversion tunnel concrete plugs,Temporary water retaining cofferdam including being arranged on diversion tunnel front end,The diversion pipe through diversion tunnel is embedded in temporary water retaining cofferdam,It is additionally provided with and the plug that diversion tunnel blocks completely is first poured into block,Plug first pours block and covers the front end of diversion pipe,The rear end of diversion pipe is arranged with construction gallery,Block is first poured with plug and is connected in the front end of construction gallery,The outer surface covering plug main body of construction gallery,Plug main body floods diversion tunnel completely,This diversion tunnel concrete plug,The temporary water retaining cofferdam for being arranged on diversion tunnel front end has ensured that diversion tunnel concrete head first pours the dry work of block,It eliminates due to influence of the plug front end percolating water for concrete construction,Again by setting construction gallery,It ensure that the follow-up row of flow leads,So as to improve the construction quality of plug main body,It improves drainage efficiency and reduces construction cost,This utility model is used for hydraulic engineering field.
Description
Technical field
The utility model is related to hydraulic engineering field, more particularly to a kind of diversion tunnel concrete plug.
Background technology
Water conservancy diversion discharge structure is after water conservancy diversion sluicing task is completed, it usually needs blocks water conservancy diversion discharge structure, at present
In hydraulic and hydroelectric engineering, influenced, led by gate installation precision, water-stagnating effect, geological conditions and liner structure is blocked
Before flowing the closure of tunnel occluding body, there is the infiltration for coming from the leak for blocking gate, osculum and Lining Crack.In order to improve coagulation
Native bulkhead concrete pouring quality, it is necessary to temporary water dash and row be taken to lead measure, applied dryly for blocking concrete for diversion tunnel creation
The condition of work.Existing temporary water dash and row lead the problems such as measure is low there are drainage efficiency, and construction cost is high.
Utility model content
The purpose of this utility model is to provide the diversion tunnel concrete plugs that a kind of drainage efficiency is high, construction cost is low.
Technical solution adopted in the utility model is：
A kind of diversion tunnel concrete plug, the temporary water retaining cofferdam including being arranged on diversion tunnel front end, temporary water retaining cofferdam
The diversion pipe through diversion tunnel is inside embedded with, is additionally provided with and the plug that diversion tunnel blocks completely is first poured into block, plug first pours block and will lead
The front end covering of flow tube, the rear end of diversion pipe are arranged with construction gallery, and the front end of construction gallery first pours block with plug and connects, construction
The outer surface covering plug main body of gallery, plug main body flood diversion tunnel completely.
The improvement of technical solutions of the utility model is further used as, the rear end of diversion pipe is hose.
The improvement of technical solutions of the utility model is further used as, the front end of hose is equipped with gate valve.
The improvement of technical solutions of the utility model is further used as, construction gallery is concrete prefabricated gallery.
The improvement of technical solutions of the utility model is further used as, the top of construction gallery is equipped with to introduce rockfill grouting
The preformed hole of pipeline and contact grouting pipeline.
The improvement of technical solutions of the utility model is further used as, backfill grouting pipeline is included through plug main body and one end
The rockfill grouting pipe of construction gallery is stretched into, grout cell is equipped at the nozzle of rockfill grouting pipe.
The improvement of technical solutions of the utility model is further used as, plug first pours block and the periphery of plug main body is equipped with card
Slot is equipped with the hydro-expansive rubber for only starching in card slot.
The beneficial effects of the utility model：This diversion tunnel concrete plug, utilizes the interim gear for being arranged on diversion tunnel front end
Water cofferdam has ensured that diversion tunnel concrete plug first pours the dry work of block, eliminates since plug front end percolating water is for concrete
The influence of construction, then by setting construction gallery, ensure that the follow-up row of flow leads, so as to improve the construction matter of plug main body
Amount, improves drainage efficiency and reduces construction cost.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the internal structure schematic diagram of diversion tunnel concrete plug in the utility model embodiment；
Fig. 2 is the A-A sectional views of diversion tunnel concrete plug in the utility model embodiment；
Fig. 3 is that hydro-expansive rubber and concrete reserve card slot schematic diagram in the utility model embodiment；
Fig. 4 is the drawing in side sectional elevation of construction gallery in the utility model embodiment.
Specific embodiment
With reference to Fig. 1~Fig. 4, the utility model is a kind of diversion tunnel concrete plug, including being arranged on diversion tunnel front end
Temporary water retaining cofferdam 1, temporary water retaining cofferdam 1 are piled up using clay packet, and temporary water retaining cofferdam 1 piles up clay packet should not mistake
Height, high 1.5m, thickness 1.5m or so, are embedded with the diversion pipe 2 through diversion tunnel in temporary water retaining cofferdam 1, diversion pipe 2 is according to oozing
The size of water water selectes caliber and radical, and the front end of diversion pipe 2 is steel pipe, and it is first to be additionally provided with the plug for blocking diversion tunnel completely
Block 12 is poured, plug first pours block 12 and covers the front end of diversion pipe 2, and the rear end of diversion pipe 2 is arranged with construction gallery 5, construction gallery 5
Front end first pour block 12 with plug and connect, the outer surface covering plug main body 13 of construction gallery 5, plug main body 13 is complete by diversion tunnel
Total flooding.
This diversion tunnel concrete plug has ensured that diversion tunnel mixes using the temporary water retaining cofferdam 1 for being arranged on diversion tunnel front end
Solidifying soil plug first pours the dry work of block 12, eliminates due to influence of the plug front end percolating water for concrete construction, then pass through
Construction gallery 5 is set, ensure that the follow-up row of flow leads, so as to improve the construction quality of plug main body 13, improve draining
Efficiency simultaneously reduces construction cost.
As the utility model preferred embodiment, the rear end of diversion pipe 2 is hose 4, when plug main body 13 has been constructed
Finish, before plugging construction gallery 5, this hose 4 can be removed, be recycled after remaining, save construction cost.
As the utility model preferred embodiment, the front end of hose 4 is equipped with gate valve 3, before plugging construction gallery 5, palpus
This gate valve 3 is closed, keeps the drying in construction gallery 5.
As the utility model preferred embodiment, construction gallery 5 is concrete prefabricated gallery, can be with subsequently pouring
Concrete combines together.
As the utility model preferred embodiment, the top of construction gallery 5 is equipped with to introduce backfill grouting pipeline
With the preformed hole 11 of contact grouting pipeline 8, plug backfill, surface grouting are carried out in construction gallery 5, after the completion of grouting, into
The concrete backfill of row construction gallery 5.
As the utility model preferred embodiment, backfill grouting pipeline includes stretching into through plug main body 13 and one end
The rockfill grouting pipe 9 of construction gallery 5 is equipped with grout cell 10 at the nozzle of rockfill grouting pipe 9.
As the utility model preferred embodiment, plug first pours block 12 and the periphery of plug main body 13 is equipped with card slot
6, the hydro-expansive rubber 7 for only starching is equipped in card slot 6, during plug both ends concrete is poured, according to only slurry knot
Structure reserves the requirement of 6 size of card slot, buries corresponding embedded part on bulkhead concrete periphery in advance, and embedded part is carried out after concrete form removal
It removes, forms concrete card slot 6, the concrete that hydro-expansive rubber 7 is arranged on concrete plug periphery is reserved in card slot 6.
The construction method of this diversion tunnel concrete plug includes the following steps：
1) fills temporary water retaining cofferdam 1 in the front end of diversion tunnel, and diversion pipe 2 is buried in temporary water retaining cofferdam 1, leads
Flow tube 2 runs through diversion tunnel；
2) pours plug in the front end of diversion tunnel and first pours block 12, and plug first pours block 12 and the front end of diversion pipe 2 is covered and incited somebody to action
Diversion tunnel blocks completely；
3) sets construction gallery 5 in diversion tunnel, and the front end of construction gallery 5 first pours block 12 with plug and is connected, construction gallery
5 are set in the outside of diversion pipe 2；
4) pours plug main body 13, and plug main body 13 outer surface of construction gallery 5 is completely covered and diversion tunnel is complete
It floods；
5) confined beds flow tube 2, plugging construction gallery 5.
To ensure the safe and reliable of diversion tunnel concrete plug, in addition to strictly control concrete pouring quality, in concrete
Plug and 5 keystone of construction gallery are respectively provided with rockfill grouting, concrete plug and liner structure, basement rock contact surface into
Row surface grouting, by improving concrete plug to backfill, the optimization of surface grouting construction method and the control of grouting quality
Security reliability.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made under the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (7)
1. a kind of diversion tunnel concrete plug, it is characterised in that：Temporary water retaining cofferdam (1) including being arranged on diversion tunnel front end,
The diversion pipe (2) through diversion tunnel is embedded in the temporary water retaining cofferdam (1), is additionally provided with the plug for blocking diversion tunnel completely
Block (12) is first poured, the plug first pours block (12) and covers the front end of the diversion pipe (2), the rear end cap of the diversion pipe (2)
Equipped with construction gallery (5), front end and the plug of the construction gallery (5) first pour block (12) and connect, the construction gallery (5)
Outer surface covering plug main body (13), the plug main body (13) floods diversion tunnel completely.
2. diversion tunnel concrete plug according to claim 1, it is characterised in that：The rear end of the diversion pipe (2) is soft
It manages (4).
3. diversion tunnel concrete plug according to claim 2, it is characterised in that：The front end of the hose (4) is equipped with lock
Valve (3).
4. diversion tunnel concrete plug according to claim 1, it is characterised in that：The construction gallery (5) is concrete
Precast Gallery.
5. diversion tunnel concrete plug according to claim 1, it is characterised in that：It is set at the top of the construction gallery (5)
It is useful for introducing the preformed hole (11) of backfill grouting pipeline and contact grouting pipeline (8).
6. diversion tunnel concrete plug according to claim 5, it is characterised in that：The backfill grouting pipeline includes running through
The rockfill grouting pipe (9) of the construction gallery (5) is stretched into the plug main body (13) and one end, the rockfill grouting pipe (9)
Grout cell (10) is equipped at nozzle.
7. diversion tunnel concrete plug according to claim 1, it is characterised in that：The plug first pours block (12) and plug
The periphery of main body (13) is equipped with card slot (6), and the hydro-expansive rubber (7) for only starching is equipped in the card slot (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440828.4U CN207537993U (en) | 2017-10-31 | 2017-10-31 | A kind of diversion tunnel concrete plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440828.4U CN207537993U (en) | 2017-10-31 | 2017-10-31 | A kind of diversion tunnel concrete plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207537993U true CN207537993U (en) | 2018-06-26 |
Family
ID=62611980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721440828.4U Expired - Fee Related CN207537993U (en) | 2017-10-31 | 2017-10-31 | A kind of diversion tunnel concrete plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207537993U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700440A (en) * | 2017-10-31 | 2018-02-16 | 广东水电二局股份有限公司 | A kind of diversion tunnel concrete plug and its construction method |
| CN109137827A (en) * | 2018-09-10 | 2019-01-04 | 中国水利水电第五工程局有限公司 | A kind of underwater rapid plugging method of large hole |
| CN110409390A (en) * | 2019-07-08 | 2019-11-05 | 武汉大学 | A kind of the sawtooth pattern concrete plug and its construction method of Construction for Hydroelectric Project diversion tunnel |
| CN111636385A (en) * | 2020-06-15 | 2020-09-08 | 大连理工大学 | Structure for preventing concrete dam bank slope dam section fracture water leakage |
-
2017
- 2017-10-31 CN CN201721440828.4U patent/CN207537993U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700440A (en) * | 2017-10-31 | 2018-02-16 | 广东水电二局股份有限公司 | A kind of diversion tunnel concrete plug and its construction method |
| CN109137827A (en) * | 2018-09-10 | 2019-01-04 | 中国水利水电第五工程局有限公司 | A kind of underwater rapid plugging method of large hole |
| CN109137827B (en) * | 2018-09-10 | 2021-05-28 | 中国水利水电第五工程局有限公司 | Underwater rapid plugging method for large hole |
| CN110409390A (en) * | 2019-07-08 | 2019-11-05 | 武汉大学 | A kind of the sawtooth pattern concrete plug and its construction method of Construction for Hydroelectric Project diversion tunnel |
| CN111636385A (en) * | 2020-06-15 | 2020-09-08 | 大连理工大学 | Structure for preventing concrete dam bank slope dam section fracture water leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 Termination date: 20211031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |