CN105064412B - Gasbag-type open trench tunnel movement joint sealing structure - Google Patents
Gasbag-type open trench tunnel movement joint sealing structure Download PDFInfo
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- CN105064412B CN105064412B CN201510459568.4A CN201510459568A CN105064412B CN 105064412 B CN105064412 B CN 105064412B CN 201510459568 A CN201510459568 A CN 201510459568A CN 105064412 B CN105064412 B CN 105064412B
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- gasbag
- tunnel
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- groove
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- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 239000007799 cork Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention discloses a kind of gasbag-type open trench tunnel movement joint sealing structure, is being provided with the groove along the circumferential circle of tunnel inner wall at the position of movement joint on the inside of tunnel；Packing material is full of in movement joint；The slot opening end, which is provided with the baffle plate being fixed on tunnel madial wall, the groove, is provided with gasbag-type waterstop；The gasbag-type waterstop is provided with the charge valve for passing the baffle plate.Using rear-loading type waterstop, therefore do not limited by construction site condition, it is not necessary to the protection of live high standard, while being also suitable for the Disease Treatment of existing tunnel；What gasbag-type waterstop can be changed on the premise of not influenceing to use function, meet life requirement；Unified pressure monitoring system and dynamic gas pressure system can be set up, the intelligent waterproof system safeguarded automatically is formed.
Description
Technical field
The invention belongs to tunnel water proofing technical field, the improvement of established tunnel movement joint leak is not only applicable, also can conduct
The waterproofing of movement joints of newly built tunnels designs the gasbag-type open trench tunnel movement joint sealing structure of strengthening measure.
Background technology
In recent years, with the extensive construction of highway, railway and city underground, increasing open trench tunnel work is occurred in that
Journey, these Tunnel Engineering are buried in underground, long-term four chow rings water, test the waterproof ability in tunnel.But be limited by technique and
The limitation of construction level, the waterproof problem in tunnel is always technical barrier in the industry, and numerous built or newly built tunnels are occurred in that Lou
The situation of water.Tunnel leak has movement joint leak, the leak of wallboard crack and construction joint leak, and the most normal with movement joint leak
See.
Domestic waterproofing of movement joints at present designs main basis《Underground Engineering Waterproof Designing specification》The correlation technique of middle recommendation,
Outside is using buried rubber watertight strip in back sticking type rubber fastening band, middle setting.During on the one hand prior art is limited by
The position relationship of buried rubber watertight strip, when concrete is poured into a mould, the concrete near it is difficult to effectively vibrate, and causes leak
Path；On the other hand be limited by construction level limitation, many times in buried rubber watertight strip be difficult to be accurately positioned and have
Damaged or displacement occurs in effect protection, concrete placement, water leakage path is caused.
The content of the invention
For problem present in background technology, the severe construction in scene is adapted to it is an object of the invention to provide a kind of
Condition, is easier to protect and changes, and is used as Curing of Tunnel Diseases, can meet Tunnel Design life requirements, it is ensured that leakage
The gasbag-type open trench tunnel movement joint sealing structure of convertibility during edema evil recurrence.
To reach above-mentioned purpose, the gasbag-type open trench tunnel movement joint sealing structure that the present invention is designed, it is characterised in that：
The groove along the circumferential circle of tunnel inner wall is provided with the position of movement joint on the inside of tunnel；Full of filling material in movement joint
Material；The slot opening end, which is provided with the baffle plate being fixed on tunnel madial wall, the groove, is provided with gasbag-type waterstop；It is described
Gasbag-type waterstop is provided with the charge valve for passing the baffle plate.
It is preferred that, width >=movement joint width+50mm~100mm of the groove.It is preferred that, the recess width+
The diameter of 50mm >=gasbag-type waterstop >=recess width+20mm.
It is preferred that, the gasbag-type waterstop is produced with groove walls after being filled with filler to the gasbag-type waterstop
Contact ＞ external water pressures × safety coefficient.
It is preferred that, the filler in the gasbag-type waterstop is gas or liquid.
It is preferred that, the packing material is the fine cork pad of fourth.
It is preferred that, it is ellipse that the gasbag-type waterstop, which fills up the section after filler in the groove,.
It is preferred that, the baffle plate is grating type baffle plate.
It is preferred that, the charge valve of each gasbag-type waterstop connection passes through connection to air pressure management monitoring system in tunnel
System.So, manage monitoring system by air pressure to monitor all gasbag-type waterstops in whole tunnel in real time, so
It can find and manage in time infiltration situation.
It is preferred that, back-adhering waterstop is being provided with the position of movement joint on the outside of tunnel.
It is preferred that, it is described provided with the middle buried water stop stretched into the concrete structure of movement joint both sides in the movement joint
Middle buried water stop is close to the bottom portion of groove.
The beneficial effects of the invention are as follows：Using breech-loading gasbag-type waterstop, therefore do not limited by construction site condition,
The protection of live high standard is not needed, while being also suitable for the Disease Treatment of existing tunnel；Gasbag-type waterstop can be in not shadow
Ring using what is changed on the premise of function, meet life requirement；Unified pressure monitoring system and automatic inflating can be set up
System, forms the intelligent waterproof system safeguarded automatically.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention
Fig. 2 is the enlarged diagram at the A in Fig. 1
Fig. 3 is all-round scheme of installation of the invention
In figure：Movement joint 1, back-adhering waterstop 2, groove 3, packing material 4, middle buried water stop 5, baffle plate 6, gasbag-type
Waterstop 7, charge valve 8, concrete structure 9, pressure gauge 10, holdfast 11, pad 12.
Embodiment
Below by Fig. 1~Fig. 3 and the mode for some alternative embodiments for enumerating the present invention, to the technical side of the present invention
Case (including optimal technical scheme) is described in further detail, any technical characteristic and any technical side in the present embodiment
Case is not limited the scope of the invention.
As shown in Figure 1, Figure 2 and Figure 3, the gasbag-type open trench tunnel movement joint sealing structure that the present invention is designed, positioned at tunnel
The groove 3 along the circumferential circle of tunnel inner wall is provided with the inside of road at the position of movement joint 1, in the position of the movement joint 1 on the outside of tunnel
Put place and be provided with back-adhering waterstop 2；Full of filling in movement joint 1 between back-adhering waterstop 2 and the groove 3 bottom
Material 4, is additionally provided with the middle buried water stop 5 inserted in the both sides concrete structure 9 of movement joint 1 in movement joint 1, it is described in it is buried
Waterstop 5 is close to the bottom of groove 3；The openend of groove 3 is provided with the baffle plate 6 being fixed on tunnel madial wall, described recessed
Gasbag-type waterstop 7 is provided with groove 3；The gasbag-type waterstop 7 is provided with the charge valve 8 for passing the baffle plate 6.
When constructing first, elongated groove 3 is reserved along movement joint 1 in the inner side of concrete structure 9, and ensure the light of cell wall
It is sliding；Width+the 50mm of width >=movement joint 1~100mm of the groove 3.
After the completion of structure construction, all-round elongated air bag waterstop 7 is installed in groove 3；And reserve in place
The installation position of charge valve 8 of gasbag-type waterstop 7 and pressure gauge 10；Gasbag-type waterstop 7 diameter selection requirement be：The groove
Width+the 20mm of the diameter of 3 width+50mm >=gasbag-type waterstop 7 >=groove 3.
Then grating type baffle plate 5 is installed in the madial wall of concrete structure 9, the grating type baffle plate 5 reserves holdfast hole, passes through anchor
Nail 11 and pad 12 are fixed on the inwall of concrete structure 9, primarily serve fixation, prevent from inflating rear gasbag formula waterstop
7 are extruded；
After the completion of above-mentioned work, waterstop 7 is tried to air bag by charge valve 8 and inflated, the control pressure value of setting is reached；
After reaching that waterproof effect, gasbag-type waterstop 7 are inflated, the section in groove 3 is ellipse and it is necessary to protected
Card：
Contact ＞ external water pressures × safety coefficient that the gasbag-type waterstop 7 is produced with the wall of groove 3.For example：1、
If external water pressure is 0.2Mpa (height of water level 20m), safety coefficient desirable 1.35；Then require after inflation, gasbag-type sealing
Contact point pressure 0.27Mpa with 7 Yu the side wall of groove 3, you can block Groundwater infiltration.If the 2, external water pressure is
0.4Mpa (height of water level 40m), safety coefficient desirable 1.35；Then require after inflation, gasbag-type waterstop 7 and the side wall of groove 3
Contact point pressure 0.54Mpa, you can block Groundwater infiltration.It is preferred that, after gasbag-type waterstop 7 is inflated, gasbag-type sealing
It is about that 1.3 times of channel section width are advisable with 7 cross-sectional width.
The present invention of construction in to(for) packing material 4 and middle buried water stop 5 is not described extensively, and it belongs to existing routine
Construction method.
It is preferred that, one end that movement joint 1 is located on the outside of tunnel is provided with back-adhering waterstop 2.
It is preferred that, the filler in the gasbag-type waterstop 7 is gas or liquid.
It is preferred that, the packing material 4 is the fine cork pad of fourth.
It is preferred that, the baffle plate 5 is grating type baffle plate.
It is preferred that, a pressure gauge 10 is connected on the charge valve 8.
It is preferred that, the charge valve 8 that each gasbag-type waterstop 7 is connected in tunnel is managed by connection a to air pressure and monitored
System, that is, the data transfer of pressure gauge 10 to the air pressure is managed into monitoring system, uniformly to the gas of gasbag-type waterstop 7
Pressure is managed, in real time monitoring, and the not enough infiltration situation of air pressure is found in time.
Claims (6)
1. a kind of gasbag-type open trench tunnel movement joint sealing structure, it is characterised in that：In the position of the movement joint on the inside of tunnel
Place is provided with the groove along the circumferential circle of tunnel inner wall；Packing material is full of in movement joint；The slot opening end is provided with and is fixed on
The gasbag-type waterstop along the circumferential circle of tunnel inner wall is provided with grating type baffle plate on tunnel madial wall, the groove；It is described
It is ellipse that gasbag-type waterstop, which fills up the section after filler in the groove,；The oval gasbag-type waterstop
In tunnel, the rear and front end of longitudinal direction is directly contacted with the groove walls of the groove respectively；The gasbag-type is stopped with filler
Contact ＞ external water pressures × safety coefficient that the gasbag-type waterstop is produced with groove walls after the filling of water band；The air bag
The charge valve that formula waterstop is provided with each gasbag-type waterstop connection in the charge valve for passing the baffle plate, tunnel passes through connection
Monitoring system is managed to an air pressure.
2. gasbag-type open trench tunnel movement joint sealing structure according to claim 1, it is characterised in that：The width of the groove
Degree >=movement joint width+50mm~100mm.
3. gasbag-type open trench tunnel movement joint sealing structure according to claim 1 or 2, it is characterised in that：The groove
The diameter of width+50mm >=gasbag-type waterstop >=recess width+20mm.
4. gasbag-type open trench tunnel movement joint sealing structure according to claim 1, it is characterised in that：The gasbag-type stops
Filler in water band is gas or liquid.
5. gasbag-type open trench tunnel movement joint sealing structure according to claim 4, it is characterised in that：Outside tunnel
Back-adhering waterstop is provided with the position of side movement joint.
6. gasbag-type open trench tunnel movement joint sealing structure according to claim 1 is characterized in that：In the movement joint
Provided with the middle buried water stop stretched into the concrete structure of movement joint both sides, the middle buried water stop is close to the groove-bottom
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459568.4A CN105064412B (en) | 2015-07-30 | 2015-07-30 | Gasbag-type open trench tunnel movement joint sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459568.4A CN105064412B (en) | 2015-07-30 | 2015-07-30 | Gasbag-type open trench tunnel movement joint sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105064412A CN105064412A (en) | 2015-11-18 |
| CN105064412B true CN105064412B (en) | 2017-07-25 |
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| CN201510459568.4A Active CN105064412B (en) | 2015-07-30 | 2015-07-30 | Gasbag-type open trench tunnel movement joint sealing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106638999A (en) * | 2016-10-18 | 2017-05-10 | 中国建筑第八工程局有限公司 | Waterstop structure for air bag and waterstop method of structure |
| CN106638711A (en) * | 2017-03-13 | 2017-05-10 | 刘国霞 | Pressurization expansion type tunnel water stop tape structure and construction process thereof |
| CN107489435B (en) * | 2017-09-30 | 2023-08-18 | 济南市市政工程设计研究院（集团）有限责任公司 | Replaceable inflatable water stop for mine tunnel |
| CN109083174A (en) * | 2018-10-25 | 2018-12-25 | 南水北调中线干线工程建设管理局 | It is a kind of can the quickly in place and monoblock type cofferdam removed and its construction method |
| CN109797668B (en) * | 2019-03-28 | 2021-06-08 | 中通建工城建集团有限公司 | Culvert waterproof structure and construction method thereof |
| CN111851420A (en) * | 2020-07-13 | 2020-10-30 | 尼旭东 | Aqueduct indirect seam water stopping device for hydraulic engineering |
| CN111997660B (en) * | 2020-09-01 | 2022-03-01 | 郑州市交通规划勘察设计研究院 | Waterproof and fixing structure for tunnel deformation joint in vibration environment and mounting method thereof |
| CN112796798A (en) * | 2021-01-18 | 2021-05-14 | 上海市城市建设设计研究总院（集团）有限公司 | Intelligent monitoring compensation inflation water-stop device for shield segment space and construction method thereof |
| CN113445529B (en) * | 2021-07-06 | 2022-03-29 | 中国海洋大学 | Anti-seepage method and structure of deep foundation pit enclosure structure of subway station in water-rich karst area |
| CN113605455A (en) * | 2021-07-29 | 2021-11-05 | 中天建设集团有限公司 | Construction method for basement expansion joint with inflatable air bag water stop structure |
| CN114855883B (en) * | 2022-04-13 | 2024-06-14 | 杭州潮峰重工钢结构有限公司 | Post-pouring strip water-stopping steel plate system for improving water-stopping effect and water-stopping method |
| CN116771392A (en) * | 2023-06-27 | 2023-09-19 | 沈阳建筑大学 | A kind of permanent support system and its construction method |
| CN117071633A (en) * | 2023-08-02 | 2023-11-17 | 中国电建集团华东勘测设计研究院有限公司 | A composite laminate joint with built-in pressure-compensating air cushion layer and a prefabricated subway station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09203062A (en) * | 1996-01-30 | 1997-08-05 | Bridgestone Corp | Immersed tunnel cut-off of water structure |
| CN2344433Y (en) * | 1998-09-25 | 1999-10-20 | 尹学军 | Air bag for blocking leakage |
| KR20080000887U (en) * | 2006-11-01 | 2008-05-07 | 양은택 | Connection packing material for concrete culvert |
| CN201517198U (en) * | 2009-03-20 | 2010-06-30 | 鲁应慧 | Telescopic device of bridge steel cover plate |
| CN202247903U (en) * | 2011-09-13 | 2012-05-30 | 中铁第四勘察设计院集团有限公司 | Weak stratum open cut tunnel with deformation joint having shear resistance function |
| CN204059404U (en) * | 2014-10-17 | 2014-12-31 | 株洲时代新材料科技股份有限公司 | A kind of type inflatable GINA rubber fastening band |
| CN204781016U (en) * | 2015-07-30 | 2015-11-18 | 中铁第四勘察设计院集团有限公司 | Gasbag formula open trench tunnel movement joint seal structure |
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