CN206513380U - A kind of tunnel double-lining vault with rubber seal reserves Grouting Pipe - Google Patents
A kind of tunnel double-lining vault with rubber seal reserves Grouting Pipe Download PDFInfo
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- CN206513380U CN206513380U CN201720150809.1U CN201720150809U CN206513380U CN 206513380 U CN206513380 U CN 206513380U CN 201720150809 U CN201720150809 U CN 201720150809U CN 206513380 U CN206513380 U CN 206513380U
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- grouting pipe
- rubber
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- tunnel double
- lining
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Abstract
The utility model is related to a kind of tunnel double-lining vault with rubber seal and reserves Grouting Pipe, including body（1）, body（1）On be provided with extravasating hole（2）, extravasating hole（2）On be set with rubber ring（3）.The beneficial effect of the utility model compared with prior art is：The utility model is set with rubber ring by the extravasating hole on built-in slip casting pipe, efficiently solves the extravasating hole blockage problem of Grouting Pipe.Through practical proof, tunnel double-lining vault longitudinal direction Grouting Pipe using rubber ring when not closing extravasating hole, and tunnel, which comes to nothing to be in, still has 54% to come to nothing and fail to fill slurries after longitudinal slip casting, and after the slurry that overflow using rubber ring closing, and tunnel comes to nothing only 2%.
Description
Technical field
The utility model is related to tunnel double-lining vault and reserves Grouting Pipe, more particularly to a kind of tunnel with rubber seal
Two lining vaults reserve Grouting Pipe.
Background technology
It is reserved vertical using vault in the prior art to solve the technical problem that tunnel double-lining construction vault easily comes to nothing
To pre- patch Grouting Pipe construction technology to the position slip casting of coming to nothing.But in practical operation, easily occur in casting concrete
Extravasating hole in Grouting Pipe directly blocks the phenomenon of Grouting Pipe, and this will lead to not reach expected slip casting effect.Therefore urgently
Improve.
Patent No. ZL201610310888.8 Chinese invention patent discloses a kind of mountain area weak surrounding rock small interval tunnel
Rock stability control method is pressed from both sides in road, including：First, geologic prospect report is consulted, construction field geology country rock grade is determined；Consult
Tunnel Design and arrangement and method for construction, it is determined that in press from both sides rock thickness, tunnel list hole span；Judge whether to meet the engineering bar using this method
Part；2nd, Tunnel Design and arrangement and method for construction are consulted, it is determined that in folder rock height, steel arch-shelf spacing and I-steel selected by steel arch-shelf
Model and flange width；Geologic prospect report is consulted, country rock porosity is determined；3rd, slip casting ductule pre-grouting pipe is determined
Machined parameters；4th, longitudinal girder steel machined parameters are determined；5th, the reinforcing of construction pre-grouting is reinforced；6th, the longitudinal strengthening of steel bridge of construction.
The present invention effectively reduces the deformation of Shared Rock of Neighborhood Tunnel and the load acted in supporting construction, improves steel arch-shelf stable
Property, reduce the shear stress caused by leading hole, rear row hole asymmetric Construction, Enhanced support structure simplifies construction technology.But should
The extravasating hole 4 of the leading hole pre-grouting pipe 1 in utility model and the extravasating hole 4,5 of the rear row hole pre-grouting pipe 2
The technological deficiency that the extravasating hole easily occurred in casting concrete in Grouting Pipe directly blocks Grouting Pipe is still suffered from, this will cause
It is unable to reach expected slip casting effect.Therefore urgently improve.
Utility model content
The technological deficiency that Grouting Pipe is present, technology of the present utility model are reserved in order to solve the above-mentioned lining of existing tunnel two vault
Scheme is specific as follows：
A kind of tunnel double-lining vault with rubber seal reserve be provided with Grouting Pipe, including body, the body it is excessive
Starch and be set with rubber ring on hole, the extravasating hole.
Preferably, the body is managed using φ 30mm PVC.
In any of the above-described scheme preferably, the extravasating hole is laid from the pipe end 1m along longitudinal.
In any of the above-described scheme preferably, the extravasating hole aperture is not less than 8mm.
In any of the above-described scheme preferably, the extravasating hole is laid using blossom type.
In any of the above-described scheme preferably, the extravasating hole, which is laid, is no less than 30.
In any of the above-described scheme preferably, the rubber loop diameter 25mm, width 15-20mm, thickness 1-2mm.
In any of the above-described scheme preferably, the rubber ring uses fluorubber.
In any of the above-described scheme preferably, the rubber ring uses silicon rubber.
In any of the above-described scheme preferably, the rubber ring uses nitrile rubber.
The beneficial effect of the utility model compared with prior art is：The utility model passes through overflowing on built-in slip casting pipe
Borehole jack dress rubber ring is starched, the extravasating hole blockage problem of Grouting Pipe is efficiently solved.Through practical proof, tunnel double-lining vault is longitudinally noted
When starching Guan Wei and closing extravasating hole using rubber ring, tunnel, which comes to nothing to be in, still has 54% to come to nothing and fail to fill slurry after longitudinal slip casting
Liquid, and after the slurry that overflow using rubber ring closing, tunnel comes to nothing only 2%.
Brief description of the drawings
Fig. 1 reserves the one preferred of Grouting Pipe as according to the tunnel double-lining vault of the present utility model with rubber seal
The structural representation of embodiment；
Fig. 2 is real as Fig. 1 that Grouting Pipe is reserved according to the tunnel double-lining vault of the present utility model with rubber seal
Apply the Grouting Pipe involved by example and bury section structure schematic diagram.
Description of reference numerals：
1 body；2 extravasating holes；3 rubber rings；4 blast pipes；5 first Grouting Pipes；6 second Grouting Pipes；7 vaults come to nothing place；8 two
Secondary lining cutting irrigates concrete.
Embodiment
The present embodiment is only an optimal technical scheme, wherein each involved building block and annexation are not limited
The setting and connection of each building block in a kind of this following embodiment described by the embodiment, the preferred scheme
Relation can carry out arbitrary permutation and combination and form complete technical scheme.
As shown in figure 1, a kind of tunnel double-lining vault with rubber seal reserves Grouting Pipe, including body 1, body 1
On be provided with extravasating hole 2, extravasating hole 2 and be set with rubber ring 3.Body 1 is managed using φ 30mm PVC.Extravasating hole 2 is from body 1
Termination 1m is risen along longitudinal and laid, and the aperture of extravasating hole 2 is not less than 8mm, and extravasating hole 2 is laid using blossom type, and extravasating hole 2 is laid much
In 30.The diameter 25mm of rubber ring 3, width 15-20mm, thickness 1-2mm, rubber ring 3 using fluorubber or silicon rubber or
Nitrile rubber.
As shown in Fig. 2 during built-in slip casting pipe, in the pre- patch φ 30mmPVC slip castings in vault longitudinal direction before secondary lining perfusion concrete 8
Pipe and each one of blast pipe, a blast pipe 4 is pasted in tunnel vault in advance, away from pre- patch two at each 50cm in vault center line both sides
Grouting Pipe 5,6.Grouting Pipe 5,6 and blast pipe 4 preferably use wide tape-stripping on the inside of the splash guard of setting position, Grouting Pipe 5,6
Ttom of pipe be not more than 5cm away from upper plate lining cutting termination, the ttom of pipe of blast pipe 4 is away from upper plate lining cutting termination 20cm~30cm.Slip casting
Pipe 5,6 and blast pipe 4 should expose circulation lining cutting termination 20cm~30cm, Grouting Pipe 5,6 revealed section terminations and grouting equipment pipe
Road is connected.
Operation principle of the present utility model：It is closed by being set with rubber ring 3 on extravasating hole 2, it is to avoid because pouring
Slurries flow into Grouting Pipe by extravasating hole 2 and block pipeline when building concrete.Later stage to vault come to nothing place 6 slip casting when, work as slip casting
When pressure is 0.1Mpa（Slip casting machine pressure is general in 0.2-0.6Mpa）, rubber ring 3 can open laterally, slurries with and his like
Enter vault to come to nothing place 7, so as to reach slip casting purpose.
The secondary lining is the form concrete or armored concrete applied on the inside of tunnel construction supporting in the early stage
Lining cutting, composite lining is collectively constituted with preliminary bracing.The general provision of the secondary lining：Tunnel Second Lining structure coagulation
Soil should closely knit, surfacing be smooth, curvilinear circular is suitable, meets design strength, waterproof and life requirement.Secondary lining coagulation soil application
Cement, fine aggregate, coarse aggregate, mixing and maintenance is tackled before work to be tested with raw material such as water, additive, admixtures, it is every
Technical indicator should echo the relevant regulations of acceptance criteria.According to the concrete condition at scene, it should suitably increase the outer of secondary lining and put
Value（Construction positive error）, in order to avoid invade limit.Tunnel arch backbreak part should use with secondary lining with strength grade concrete once
Pour.The order of Second Lining Construction is that inverted arch is advanced, wall, arch one-piece casting.The position of abutment wall height of foundation（Divergence
Seam）The maximum section of shearing should be avoided, and makees water-proofing treatment by design requirement.Concrete production, which should be used, has automatic gauge dress
The blending station put, mix and stir waggon, concrete pump, plug-in type the machanized line vibrated is combined with adhesion type.It is secondary
The concrete of lining cutting, from the inspection and selection of raw material, the proportioning of concrete and mixing, the control of placing temperature and vibrate, to
The each operation of lining cutting maintenance must be operated on request, prevent the generation of Lining Crack.
The secondary lining applies condition：（1）Secondary lining, which applies general deformed in country rock and preliminary bracing, tends to be steady
Carried out after fixed.（2）In tunnel portal section, Shallow Section, country rock loose crushing section, secondary lining should be applied as early as possible, and answer reinforcing line
Build structure.（3）Carry out preliminary bracing, waterproof layer, ring longitudinal drainage system of operation section of secondary lining etc. and check and accept conjunction
Lattice；Waterproof layer surface dust has been removed totally.（4）Splash guard paving location answers advanced Second Lining Construction.（5）Secondary lining is applied
Tunnel center line, elevation and cross dimensions are checked before work, it is necessary to meet design requirement.（6）Packed layer or shop fixtures on inverted arch, which are adjusted, to be looked for
Flat bed, which has been constructed, to be finished；Underground water reasonable ejectment；Construction joint handles qualified by design requirement；Basic part no-sundries, product
Water.（7）The illumination of secondary lining operating area, power supply, water supply, drainage system can be met in lining cutting normal construction requirement, tunnel
Ventilation condition is good.Inverted arch and construction of bottom plates：（1）The empty slag of Tunnel Base, debris, mud, ponding etc. are cleaned out before construction,
And with high-pressure blast by tunnel bottom blowing wash clean, part of backbreaking is using concrete backfill at the same level.（2）During inverted arch one-piece casting, done to be anti-
Disturb operation and use trestle, to ensure that working space and young concrete structure are without damage.（3）Tunnel bottom is applied in time after excavating
Inverted arch or screed-coat, inverted arch or underplate concrete answer one-piece casting, once-forming, and fill concrete should be in inverted arch concrete final set
After carry out.（4）Inverted arch construction joint and movement joint should make water-proofing treatment.
The fluorubber has heat-resisting quantity, can be used in -30 DEG C -+250 DEG C environment, powerful oxidation corrosion resistance agent, oil resistant, resistance to
Soda acid.It is generally used in high temperature, high vacuum and hyperbaric environment, is suitable for oils environment.The silicon rubber has prominent resistance to height
Cryogenic property, what holding was good within the temperature range of -70 DEG C -+260 DEG C uses elasticity, and has resistance to ozone, Weather-resistant etc.
Advantage.The nitrile rubber has a performances such as excellent oil resistant and aromatic solvent, but intolerant to ketone, ester and chlorination through etc. medium, because
This oil resistant sealing article is based on use nitrile rubber.
Claims (10)
1. a kind of tunnel double-lining vault with rubber seal reserves Grouting Pipe, including body（1）, body（1）On be provided with it is excessive
Starch hole（2）, it is characterised in that extravasating hole（2）On be set with rubber ring（3）.
2. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 1, it is characterised in that body
（1）Managed using φ 30mm PVC.
3. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 1, it is characterised in that overflow slurry
Hole（2）From body（1）Termination 1m rises along longitudinal and laid.
4. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 3, it is characterised in that overflow slurry
Hole（2）Aperture is not less than 8mm.
5. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 3, it is characterised in that overflow slurry
Hole（2）Laid using blossom type.
6. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 3, it is characterised in that overflow slurry
Hole（2）Lay and be no less than 30.
7. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 1, it is characterised in that rubber
Circle（3）Diameter 25mm, width 15-20mm, thickness 1-2mm.
8. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 7, it is characterised in that rubber
Circle（3）Using fluorubber.
9. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 7, it is characterised in that rubber
Circle（3）Using silicon rubber.
10. the tunnel double-lining vault with rubber seal reserves Grouting Pipe as claimed in claim 7, it is characterised in that rubber
Cushion rubber（3）Using nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150809.1U CN206513380U (en) | 2017-02-20 | 2017-02-20 | A kind of tunnel double-lining vault with rubber seal reserves Grouting Pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150809.1U CN206513380U (en) | 2017-02-20 | 2017-02-20 | A kind of tunnel double-lining vault with rubber seal reserves Grouting Pipe |
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| CN206513380U true CN206513380U (en) | 2017-09-22 |
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| CN201720150809.1U Active CN206513380U (en) | 2017-02-20 | 2017-02-20 | A kind of tunnel double-lining vault with rubber seal reserves Grouting Pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301846A (en) * | 2018-03-21 | 2018-07-20 | 长安大学 | Tunnel-liner vault band is molded into sizing device and its construction |
| CN110359932A (en) * | 2019-08-07 | 2019-10-22 | 西南石油大学 | One kind two serves as a contrast vault slip casting tube assembly and its grouting construction method |
| CN111622782A (en) * | 2020-06-12 | 2020-09-04 | 中铁隧道局集团有限公司 | PVC pipe hole bottom grouting device and installation and grouting method thereof |
-
2017
- 2017-02-20 CN CN201720150809.1U patent/CN206513380U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301846A (en) * | 2018-03-21 | 2018-07-20 | 长安大学 | Tunnel-liner vault band is molded into sizing device and its construction |
| CN110359932A (en) * | 2019-08-07 | 2019-10-22 | 西南石油大学 | One kind two serves as a contrast vault slip casting tube assembly and its grouting construction method |
| CN110359932B (en) * | 2019-08-07 | 2022-07-19 | 西南石油大学 | Two-lining vault grouting pipe assembly and grouting construction method thereof |
| CN111622782A (en) * | 2020-06-12 | 2020-09-04 | 中铁隧道局集团有限公司 | PVC pipe hole bottom grouting device and installation and grouting method thereof |
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