CN207537993U - A kind of diversion tunnel concrete plug - Google Patents

A kind of diversion tunnel concrete plug Download PDF

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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
Authority
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
Application number
CN201721440828.4U
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Chinese (zh)
Inventor
谢祥明
梁跃先
陈再
邓东升
刘伟
阴云康
谢小明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Ysd Surveying & Designing Co Ltd
Guangdong No 2 Hydropower Engineering Co Ltd
Original Assignee
Guangdong Ysd Surveying & Designing Co Ltd
Guangdong No 2 Hydropower Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Ysd Surveying & Designing Co Ltd, Guangdong No 2 Hydropower Engineering Co Ltd filed Critical Guangdong Ysd Surveying & Designing Co Ltd
Priority to CN201721440828.4U priority Critical patent/CN207537993U/en
Application granted granted Critical
Publication of CN207537993U publication Critical patent/CN207537993U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of diversion tunnel concrete plug
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).
CN201721440828.4U 2017-10-31 2017-10-31 A kind of diversion tunnel concrete plug Expired - Fee Related CN207537993U (en)

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

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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)

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CN (1) CN207537993U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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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