CN106593494A - Grouting water plugging method for tunnel - Google Patents
Grouting water plugging method for tunnel Download PDFInfo
- Publication number
- CN106593494A CN106593494A CN201710011634.0A CN201710011634A CN106593494A CN 106593494 A CN106593494 A CN 106593494A CN 201710011634 A CN201710011634 A CN 201710011634A CN 106593494 A CN106593494 A CN 106593494A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- grouting
- waterproof
- secondary lining
- injected hole
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000007569 slipcasting Methods 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 20
- 238000010276 construction Methods 0.000 abstract description 9
- 238000004080 punching Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 20
- 239000004567 concrete Substances 0.000 description 19
- 238000002347 injection Methods 0.000 description 18
- 239000007924 injection Substances 0.000 description 18
- 238000004078 waterproofing Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 239000003292 glue Substances 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000011378 shotcrete Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a grouting water plugging method for a tunnel. The grouting water plugging method comprises the following steps that S1, a water leakage point in the tunnel is determined; S2, a grouting hole is punched in the water leakage point and penetrates through a waterproof layer to a preliminary-stage support from a secondary lining in the tunnel; S3 a grouting pipe is inserted and fixed into the grouting hole formed in the S2; and S4, grouting is conducted, and water leakage point plugging is completed. According to the grouting water plugging method for the tunnel, the punching depth of the grouting hole is changed, and thus the grouting water plugging method is suitable for grouting water plugging construction of the tunnel adopting reverse-sticky waterproof coiled materials as the waterproof layer.
Description
Technical field
The present invention relates to the waterproofing and leakage-stopping construction field in tunnel, more particularly to using anti-viscous waterproof roll as waterproof layer
The grouting water blocking method in tunnel.
Background technology
The architectural environment in tunnel often have it is moist, the features such as drip, and the substantial amounts of earth's surface knot due to penetration tunnel
Structure, destroys the leak path of original underground water, thus work progress and it is actually used in, tunnel inner wall usually can ooze
Leakage phenomenon.
In order to solve the Seepage of tunnel inner wall, at present during constructing tunnel, mainly supporting in the early stage with it is secondary
The waterproof layer formed by splash guard or waterproof roll is laid between lining cutting, so as to intercept the water penetrated into from preliminary bracing, it is prevented
Tunnel internal is entered through secondary lining.But, tunnel can be difficult to avoid that in work progress or in use for some time
Appearance infiltration, its be mainly manifested on secondary lining seep water, now, the way of traditional waterproofing and leakage-stopping is:In secondary lining
Drill on block to before waterproof layer, and to slip casting in the hole being drilled, leakage point is blocked, then aid in being imitated with the waterproof of waterproof layer
Really, water seepage of tunnel is eliminated.
But traditional waterproof layer exist one it is generally acknowledged the drawbacks of, i.e., splash guard or traditional waterproof material with it is secondary
Not closely connected between lining cutting, there is surface infiltration in the concrete of a position, does not necessarily mean that the waterproof roll of this position
Rupture, it is also possible to which water flow to this position generation seepage after the waterproof roll rupture of other positions, therefore, traditional waterproof layer
Seepage point is difficult to determine when there is waterproofing and leakage-stopping.Based on this reason, the waterproof layer in tunnel is now more using anti-viscous waterproof
Coiled material, this waterproof roll is made up of the key assistant such as pitch, polyester carcass and tackifier, active hydrophilic material, when anti-viscous anti-
When water coiled material is laid to secondary lining outer surface, active hydrophilic particle therein produces solidifying after contacting with the water in secondary lining
Glue, produces between the two stronger adhesion, also, the prolongation over time of this adhesion and increase, it can be from basic
Upper to solve the problems, such as that waterproof layer is not closely connected with secondary lining, after tunnel seeps water, seepage point is extremely convenient to be assured that.
But, this anti-viscous waterproof roll is done in the tunnel of waterproof layer, difficult when doing waterproofing and leakage-stopping after secondary lining infiltration
To determine the depth of injected hole, injection slurry is squeezed between two linings and waterproof based on traditional mode, injection slurry is due to waterproof layer
Method is bonded without and the top surface of secondary lining between in injected hole, it is difficult to implement waterproofing and leakage-stopping operation.
The content of the invention
It is an object of the invention to provide a kind of grouting water blocking method in tunnel, it passes through the punching depth for changing injected hole
Degree, the mode for making grouting for water blocking is applied to tunnel water proofing blocking construction of the anti-viscous waterproof material as waterproof layer.
The present invention above-mentioned purpose technical scheme is that:A kind of grouting water blocking method in tunnel,
Comprise the steps:
S1 determines the leakage point in tunnel;
S2 beats injected hole at leakage point, and secondary lining of the injected hole from tunnel penetrates waterproof layer into preliminary bracing;
S3 is inserted and fixed Grouting Pipe in the injected hole formed to S2;
S4 slip castings, complete leakage point closure.
By adopting above-mentioned technical proposal, after waterproof layer is using anti-viscous waterproof material, towards secondary on anti-viscous waterproof material
After active hydrophilic particle in the one side of lining cutting is squeezed, there is creep reaction to secondary lining direction, produce gel, this makes
Obtain bonding between waterproof layer and secondary lining and form one, secondary lining inside is it was observed that leakage point, you can immediately determine that waterproof
The position of layer leak, now, drills through waterproof layer to preliminary bracing inner surface position, and into injected hole during slip casting, injection slurry is entered
Leakage point is blocked in narrow and small gap between preliminary bracing and waterproof layer, injection slurry solidification.After conventional waterproof coiled material leak, even if
Leakage point is determined, is also the close gap for injection slurry being squeezed between waterproof layer and secondary lining, after injection slurry solidification, waterproof
Coiled material can aid in the injection slurry for solidifying to carry out waterproof;And for anti-viscous waterproof roll, it forms one with secondary lining, drilling
Less than waterproof layer, the close blind hole of injected hole, injection slurry is difficult to inject, and after waterproof layer is beaten, injection slurry can be entered, with
Realize waterproofing and leakage-stopping.
It is preferred that it is as follows to increase pore widening step after step 2:The aperture of the injected hole beaten in step S2 is increased, is allowed to certainly
Secondary lining starts to preliminary bracing direction decreasing pore size.
The tube head for installing Grouting Pipe is needed, it is carried out after expanding treatment by adopting above-mentioned technical proposal, injected hole, can
To increase the caliber of Grouting Pipe insertion position, to conveniently insert and fixed Grouting Pipe.
It is preferred that the depth that the injected hole stretches into preliminary bracing is less than 60 ㎜.
Spray to be formed for cement mortar near the side of waterproof layer, structure by adopting above-mentioned technical proposal, preliminary bracing, note
It is too deep that slurry hole is beaten, and can affect the structural strength of preliminary bracing;And beat it is too shallow, be difficult to ensure that again and penetrate waterproof layer, set
Within being set to 60 ㎜, can simultaneously ensure to penetrate waterproof layer, and weaken the intensity of preliminary bracing not too much.
In sum, the invention has the advantages that:After waterproof layer is using anti-viscous waterproof material, waterproof material is instead glued
On be squeezed towards the active hydrophilic particle in the one side of secondary lining after, to secondary lining direction occur creep reaction, produce
Raw gel, this causes bonding between waterproof layer and secondary lining to form one, and leakage point is observed in secondary lining inside, you can vertical
Determine the position of waterproof layer leak, now, drill through waterproof layer to preliminary bracing inner surface position, into injected hole during slip casting,
Injection slurry enters the narrow and small gap between preliminary bracing and waterproof layer, and leakage point is blocked in injection slurry solidification.Conventional waterproof coiled material
It is also the close gap for injection slurry being squeezed between waterproof layer and secondary lining even if determining leakage point after leak, injection slurry
After solidification, waterproof roll can aid in the injection slurry for solidifying to carry out waterproof;And for anti-viscous waterproof roll, it and secondary lining shape
Integral, less than waterproof layer, the close blind hole of injected hole, injection slurry is difficult to inject for drilling, after waterproof layer is beaten, injection slurry
Can enter, to realize waterproofing and leakage-stopping.
Description of the drawings
Fig. 1 is the topology view of tunnel inner waterproofing structure;
Fig. 2 is the A portions zoomed-in view of Fig. 1;
In figure, 1, preliminary bracing;2nd, secondary lining;3rd, waterproof roll is instead glued;4th, leakage point;5th, injected hole;6th, Grouting Pipe.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
A kind of waterproof construction in tunnel, as shown in figure 1, anti-including preliminary bracing 1, secondary lining 2 and positioned between the two
Viscous waterproof roll 3, anti-viscous waterproof roll 3 is arranged between the inwall of the preliminary bracing 1 in tunnel and the outer wall of secondary lining 2, instead
It is seamlessly connected between viscous waterproof roll 3 and secondary lining 2.
Anti- viscous waterproof roll 3 is self-adhesion glued membrane, and self-adhesion glued membrane is anti-viscous anti-with special density polyethylene film with high as waterproof layer
There is frosted particle on the surface of water coiled material 3, and its frosted particle is by the key such as pitch, polyester carcass and tackifier, active hydrophilic material
Auxiliary agent is constituted, and can be reacted with liquid concrete slurry, and the anti-viscous waterproof roll 3 after reacting closely connects with concrete
Connect, the anti-waterproof roll 3 that glues closely is connected with the concrete on secondary lining 2.
It should be pointed out that the material of the anti-viscous waterproof roll 3 employed in the present embodiment is not limited to self-adhesion glued membrane,
The essence of anti-viscous waterproof roll 3 is that the material of anti-viscous waterproof roll 3 reacts with liquid concrete slurry, rolls up anti-waterproof of gluing
Material 3 is combined closely with concrete, between the two seamless generation.Therefore, anti-viscous waterproof roll 3 can using other can with it is mixed
The material that solidifying soil reacts.
A kind of waterproof construction in tunnel, its work progress is as follows:
According to construction requirement tunneling, the tunnel to having excavated arranges preliminary bracing 1, and preliminary bracing 1 can increase tunnel knot
Structure degree of safety and facilitate subsequent construction in tunnel, preliminary bracing 1 is that rigidity is less, while as the structure of permanent bearing structure
Layer is general in the form of gunite concrete.To the tunnel inner wall gunite concrete for having excavated, the concrete thickness of injection according to
The tunnel intensity of required excavation determines.
After the concrete final set of preliminary bracing 1, fixed anti-viscous waterproof roll 3, makes anti-on the concrete of supporting in the early stage 1
Inwall of the one side with frosted particle back on preliminary bracing 1 on viscous waterproof roll 3.
Glue after waterproof roll 3 is fixed on preliminary bracing 1 after counter, secondary lining 2 is arranged to tunnel.Secondary lining 2 is built for mould
Armored concrete, first by required bar splicing in the inwall of anti-viscous waterproof roll 3, to reinforcing bar gunite concrete, according to construction
The supporting intensity of requirement, determines the thickness of armored concrete in secondary lining 2.The concrete slurry of injection and anti-viscous waterproof roll
3 surface frosted particle reacts, and so as to be brought into close contact, secondary lining 2 forms the form of impermeable structure.
Now, the waterproof construction shaping in tunnel.
Embodiment 2
A kind of grouting water blocking method in tunnel, it is as follows with reference to Fig. 1 and Fig. 2:
When anti-viscous waterproof layer coiled material 3 occurs breakage, when water leakage situation occurs in tunnel inner wall, the inwall correspondence of secondary lining 2 can go out
Existing leakage point 4.Due to anti-viscous seamless connection between waterproof roll 3 and secondary lining 2, the leakage point 4 on the inwall of secondary lining 2 is
Corresponding to the breakage of anti-viscous waterproof roll 3.
Injected hole 5 is opened up at the leakage point 4 of the inwall of secondary lining 2, injected hole 5 continues to tunnel through after secondary lining
In road deeply, through after anti-viscous waterproof roll 3, until arriving at preliminary bracing 1, injected hole 5 is continued deeper into, but supporting in the early stage
1 depth is less than 60 mm.The aperture of injected hole 5 gradually increases from preliminary bracing 1 to secondary lining 2, facilitates follow-up slip casting.
Grouting Pipe 6 is inserted in injected hole 5, Grouting Pipe 6 is arrived at preliminary bracing 1.Simultaneously between injected hole 5 and Grouting Pipe 6
Certain space is left, slip casting operation is conveniently carried out.
Concrete is passed through to Grouting Pipe 6, concrete is slowly injected at preliminary bracing 1, until concrete is all by injected hole 5
Fill up, now, concrete repairs the breakage of anti-viscous waterproof roll 3, and leakage point 4 is plugged.
Next other leakage points 4 are blocked by above-mentioned steps, is realized instead to glue waterproof roll as the tunnel of waterproof layer
Road water blockoff.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make as needed the modification without creative contribution after this specification is read to the present embodiment, but as long as at this
All protected by Patent Law in the right of invention.
Claims (3)
1. a kind of grouting water blocking method in tunnel, is characterized in that:Comprise the steps:
S1 determines the leakage point in tunnel;
S2 beats injected hole at leakage point, and secondary lining of the injected hole from tunnel penetrates waterproof layer into preliminary bracing;
S3 is inserted and fixed Grouting Pipe in the injected hole formed to S2;
S4 slip castings, complete leakage point closure.
2. the grouting water blocking method in tunnel according to claim 1, is characterized in that:Increase pore widening step after step 2 as follows:
The aperture of the injected hole beaten in step S2 is increased, is allowed to from secondary lining start to preliminary bracing direction decreasing pore size.
3. the grouting water blocking method in tunnel according to claim 1 and 2, is characterized in that:The injected hole stretches into the initial stage
The depth of shield is less than 60 ㎜.
Priority Applications (1)
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CN201710011634.0A CN106593494A (en) | 2017-01-07 | 2017-01-07 | Grouting water plugging method for tunnel |
Applications Claiming Priority (1)
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CN201710011634.0A CN106593494A (en) | 2017-01-07 | 2017-01-07 | Grouting water plugging method for tunnel |
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Publication Number | Publication Date |
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CN106593494A true CN106593494A (en) | 2017-04-26 |
Family
ID=58583116
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CN201710011634.0A Pending CN106593494A (en) | 2017-01-07 | 2017-01-07 | Grouting water plugging method for tunnel |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107387123A (en) * | 2017-08-22 | 2017-11-24 | 中铁十局集团城市轨道工程有限公司 | The construction method of pressure grouting leak stopping is carried out for shield duct piece piece Seepage |
CN109723466A (en) * | 2018-12-10 | 2019-05-07 | 中交一公局桥隧工程有限公司 | Tunnel primary support seepage grouting treatment construction method |
CN110206563A (en) * | 2019-06-25 | 2019-09-06 | 深圳市综合交通设计研究院有限公司 | A kind of full packet waterproof composite lining structure resistant to pressure and its construction method |
CN110725706A (en) * | 2019-12-18 | 2020-01-24 | 中铁九局集团第四工程有限公司 | Tunnel water burst water stop method |
CN111140264A (en) * | 2020-04-02 | 2020-05-12 | 中铁工程设计咨询集团有限公司 | Method for treating water leakage of cracks of tunnel concrete lining structure |
CN111933007A (en) * | 2020-07-22 | 2020-11-13 | 北京交通大学 | Tunnel water leakage administers model test device |
CN113833500A (en) * | 2021-09-01 | 2021-12-24 | 中国华冶科工集团有限公司 | Method for repairing waterproof impermeable layer of mountain cave depot |
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CN2613530Y (en) * | 2003-05-15 | 2004-04-28 | 韩君国 | Intermediate set grout injection waterstop |
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2017
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JPH06248895A (en) * | 1993-02-26 | 1994-09-06 | Itsuki Kogyo Kk | Grout and grouting method |
JPH0893395A (en) * | 1994-09-22 | 1996-04-09 | Kajima Corp | Cut-off method of check boring in shielding work |
CN2613530Y (en) * | 2003-05-15 | 2004-04-28 | 韩君国 | Intermediate set grout injection waterstop |
CN1546842A (en) * | 2003-12-11 | 2004-11-17 | 广州市泰利斯固结补强工程有限公司 | Construction method of leakage waterstop for shield tunnel concrete structure segments |
Non-Patent Citations (1)
Title |
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曹凡: "隧道工程渗漏水分析及防治处理", 《科技创新与应用》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107387123A (en) * | 2017-08-22 | 2017-11-24 | 中铁十局集团城市轨道工程有限公司 | The construction method of pressure grouting leak stopping is carried out for shield duct piece piece Seepage |
CN107387123B (en) * | 2017-08-22 | 2019-02-19 | 中铁十一局集团城市轨道工程有限公司 | The construction method of pressure grouting leak stopping is carried out for shield duct piece piece leakage phenomenon |
CN109723466A (en) * | 2018-12-10 | 2019-05-07 | 中交一公局桥隧工程有限公司 | Tunnel primary support seepage grouting treatment construction method |
CN110206563A (en) * | 2019-06-25 | 2019-09-06 | 深圳市综合交通设计研究院有限公司 | A kind of full packet waterproof composite lining structure resistant to pressure and its construction method |
CN110725706A (en) * | 2019-12-18 | 2020-01-24 | 中铁九局集团第四工程有限公司 | Tunnel water burst water stop method |
CN111140264A (en) * | 2020-04-02 | 2020-05-12 | 中铁工程设计咨询集团有限公司 | Method for treating water leakage of cracks of tunnel concrete lining structure |
CN111933007A (en) * | 2020-07-22 | 2020-11-13 | 北京交通大学 | Tunnel water leakage administers model test device |
CN113833500A (en) * | 2021-09-01 | 2021-12-24 | 中国华冶科工集团有限公司 | Method for repairing waterproof impermeable layer of mountain cave depot |
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