CN102108873B - High-polymer grouting method for rapidly disposing percolating water in tunnel - Google Patents
High-polymer grouting method for rapidly disposing percolating water in tunnel Download PDFInfo
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- CN102108873B CN102108873B CN 200910227697 CN200910227697A CN102108873B CN 102108873 B CN102108873 B CN 102108873B CN 200910227697 CN200910227697 CN 200910227697 CN 200910227697 A CN200910227697 A CN 200910227697A CN 102108873 B CN102108873 B CN 102108873B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 229920000642 polymer Polymers 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000002861 polymer material Substances 0.000 claims abstract description 52
- 238000005516 engineering process Methods 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000006757 chemical reactions by type Methods 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 35
- 230000008595 infiltration Effects 0.000 claims description 15
- 238000001764 infiltration Methods 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 201000010099 disease Diseases 0.000 claims description 10
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 7
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 210000004243 sweat Anatomy 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
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- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a high-polymer grouting method for rapidly disposing percolating water in a tunnel. Aiming at the problem of the percolating water in the tunnel, the high-polymer grouting method comprises the following steps: high-polymer materials are injected to water percolating positions, and the high-polymer materials are Non-aqueous reaction type high-polymer materials, rapidly swell in size after reaction and are solidified to rapidly fill and plug gaps of the water percolating positions, thus achieving the purpose of rapidly disposing the defect of the percolating water in the tunnel. Compared with the traditional tunnel defect disposing method, the high-polymer grouting technology developed in the invention for rapidly disposing the defect of the percolating water in a tunnel has the advantages of good disposal effect, quickness in construction, no requirement of maintenance, strong pertinence, good controllability and the like. The high-polymer grouting method is obviously creative in the aspects of technological principle and construction method, provides a novel approach to rapid, durable, economic and practical tunnel maintenance, is successfully applied to the defect disposal of the percolating water in the tunnel, shows great economic and social benefits and has broad development and application prospects.
Description
Technical field
The invention belongs to the tunnel maintenance maintenance technique, relate in particular to the Tunnel Water Leakage high polymer grouting technology of punishment fast.
Background technology
At present in or the part highway and railway tunnel built built in China, due to reasons such as design and constructions, in various degree exist various diseases, comparatively commonly leak, tunnel lining is come to nothing behind etc.When the tunnel passes or close water bearing ground, be subjected to the osmosis of underground water constantly, as waterproof and the drainage imperfection of lining cutting, underground water will be invaded the tunnel, and the Tunnel Water Leakage disease occurs.Tunnel Water Leakage is stable to the tunnel, facility, traffic safety, surface structures and tunnel ambient water environment produce many harmful effects and even threaten in the hole, affect internal construction and ancillary facility, reduce application life, will jeopardize the operation security of tunnel and underground construction when serious.Therefore the origin cause of formation of correct these diseases of understanding and utilize mature technology and new material, efficient, convenient, good all kinds of diseases of regulation are safely guaranteed the durable, unimpeded of operation tunnel, seem particularly important.
Construction of tunnel percolating water form main manifestations is three kinds of forms, and the seepage of seepage namely, the seepage of seam and face can be divided into slowly again according to the seepage speed and ooze, oozes soon, leaks and water burst.Therefore, the principle that will specifically treat as the case may be of the water leakage defect in tunnel is processed.For water seepage of tunnel several improvement technology commonly used, the ways such as surperficial shutoff, Shallow hole grouting, chemical grouting and pipe laying ejectment are arranged in engineering at present, other engineering solution is all extended from this several method basically.Main Problems is as follows:
(1) when the processing infiltration is not too serious, no matter take which kind of method, be all paste, stifled be main, such processing mode has just solved seepage problem in appearance from the tunnel, the crack of lining cutting and lining cutting back may exist in the problem of coming to nothing and not be resolved, after a period of time, the seepage problem in tunnel can reappear again.
(2) although and traditional grouting method can play the effect that shutoff crack and filling are come to nothing to a certain extent, but be limited by the performance of material, after slip casting a period of time, material meeting solidification shrinkage, the tunnel comes to nothing and can reappear, and this hides some dangers for for later seepage problem recurrence.
(3) improvement method construction technology is more complicated, and the implementation of each scheme needs engineering time of growing, and this can produce the construction in tunnel or normal operation and comparatively seriously influence, and can't carry out shutoff fully for more serious large issue.
(4) owing to after water response class high polymer material chance water, chemical reaction could occuring, be difficult to prove effective in the larger or large water burst situation of hydraulic pressure
Therefore, come the treating tunnel water leakage disease in the urgent need to developing a kind of fast waterproof blocking method.
Non-aqueous reaction class high polymer grouting technology is the foundation rapid reinforcement technology that new development is in recent years got up.This technology is by many component high polymers of injection material in the ground, utilizes the characteristic that volume expands and solidifies rapidly after high polymer material generation chemical reaction, reaches consolidated subsoil, filling is come to nothing or promotes the purpose on floor.At present, non-aqueous reaction class high polymer grouting technology is mainly used in ground stabilization and the road maintenance of industry and civilian construction.Domestic exploitation about Tunnel Water Leakage Defects Treatment high polymer technology at present still is in the starting developing stage, and existing research is confined to water response class high polymer material mostly.Dispose non-aqueous reaction class high polymer grouting technology about treatment technology for tunnel seepage and have no relevant report.
Summary of the invention
The object of the invention is the punishment problem for the Tunnel Water Leakage disease, develops a kind of new non-aqueous reaction class method for grouting polymers, for the Tunnel Water Leakage Defects Treatment provides advanced, efficient, economic, practical technical measures.
The present invention is achieved by the following technical solutions:
A kind of Tunnel Water Leakage is punished method for grouting polymers fast, leakage problem for the tunnel, to percolating water position injection high polymer material, described high polymer material is non-aqueous reaction class high polymer material, this material rapid expansion curing of rear volume that reacts, shutoff is filled rapidly in space, Tunnel Water Leakage position, thereby reach the purpose of quick treating tunnel water leakage disease.
Basic construction technology is:
(1) bore at a certain distance injected hole in the percolating water position, hole depth is determined according to tunnel surrounding and liner structure situation;
(2) lower Grouting Pipe in injected hole, for large water burst mouth, set up geotechnological cloth bag;
(3) by Grouting Pipe to percolating water position injection high polymer material, high polymer material reacts rapidly, volume expansion is solidified, and fills the space, the shutoff infiltration.
When partial points or gap infiltration, concrete implementation step is:
(1) bore injected hole.At the Tunnel Water Leakage position, at the infiltration point, or bore injected hole along the gap of seeping water with a determining deviation, hole depth is according to the structures shape of lining cutting or country rock, and boring is wanted and can be connected with penetrating passage;
(2) lower Grouting Pipe.Lower Grouting Pipe in injected hole, Grouting Pipe can be PPR pipe or metal tube;
(3) carry out high polymer grouting.Inject high polymer material by Grouting Pipe to lining cutting or country rock seepage part, high polymer material generation chemical reaction, expansion curing, fill percolating water space and cavity rapidly, thus quick blocking percolating water.
When sweat, concrete implementation step is:
(1) bore injected hole.On infiltration face, bore injected hole according to vertical and horizontal with a determining deviation, hole depth is according to the structures shape of lining cutting or country rock;
(2) lower Grouting Pipe.Lower Grouting Pipe in injected hole, Grouting Pipe are PPR pipe or metal tube;
(3) carry out high polymer grouting.By Grouting Pipe to percolating water position injection high polymer material, high polymer material generation chemical reaction, expansion curing, fill percolating water space and cavity rapidly, thereby quick blocking percolating water.
When large water burst, concrete implementation step is:
(1) with hoop, geotechnological cloth bag openend is fixed on hollow steel pipe one end;
(2) with adhesive tape or cord, geotechnological cloth bag is bundled into strip;
(3) hold the hollow steel pipe other end, the geotechnological cloth bag of tying up put into the water burst mouth, put into again simultaneously one not with the Grouting Pipe of geotechnological cloth bag at the water burst mouth, Grouting Pipe is put into the water burst mouth degree of depth will exceed geotechnological cloth bag;
(4) inject the multicomponent high polymer material by hollow steel pipe in geotechnological cloth bag, described high polymer material is non-aqueous reaction class high polymer material, and high polymer material expands and solidifies rapidly in geotechnological cloth bag, thus quick blocking water burst mouth;
(5) again by not with the Grouting Pipe of geotechnological cloth bag, inject the multicomponent high polymer material in the water burst passage, high polymer material expands and solidifies rapidly in the water burst passage, thus quick blocking water burst passage.
The diameter of described geotechnological cloth bag and length can produce plurality of specifications according to the design of issue concrete condition; The hollow metal tube diameter is generally 1.6cm, can be fixed according to requirement of engineering, and length is fixed according to requirement of engineering; According to the diameter of steel pipe and geotechnological cloth bag, can select the hoop of different size.
Compare with traditional tunnel defect punishment technology, the Tunnel Water Leakage Defects Treatment high polymer grouting technology of the present invention's exploitation has following advantages:
(1) punishment is effective.The high polymer material reaction of injection is fast, good endurance, and water resistance is good, and has elasticity preferably;
(2) quick construction does not need health.The material injection can form the intensity more than 90%, the traffic of can letting pass in rear 15 minutes.Compare with traditional tunnel defect Treatment Methods, the high polymer grouting technology of the present invention's exploitation can be saved the duration more than 70%;
(3) with strong points, controllability is good.The characteristic of volume self-expansion after patent utilization high polymer material generation chemical reaction of the present invention, reach fill come to nothing, the purpose such as shutoff infiltration, and after material cured, its density and intensity can regulate and control according to requirement of engineering.Therefore, compare with traditional mud jacking method, the high polymer grouting technology of the present invention's exploitation has better specific aim and controllability.
In sum, the Tunnel Water Leakage disease high polymer grouting technology of punishing fast of the present invention's exploitation is compared with traditional tunnel defect Treatment Methods, all has obvious innovation aspect know-why and job practices, started quick, durable, economic, practical Tunnel Repair new way, and be successfully applied to the water leakage defect punishment in tunnel, demonstrate huge economic and social benefits and wide development and application prospect.
Description of drawings
Fig. 1 geotechnique cloth bag is fixed in hollow steel pipe one end schematic diagram;
Fig. 2 geotechnique cloth bag is bundled into the strip schematic diagram;
The geotechnological cloth bag that Fig. 3 will tie up and Grouting Pipe are put into water burst mouth schematic diagram;
Fig. 4 high polymer sealing slip casting shutoff water burst mouth construction schematic diagram;
Water burst passage construction schematic diagram is filled in Fig. 5 high polymer sealing slip casting.
The specific embodiment
Embodiment: the Tunnel Water Leakage of the present invention's exploitation is punished method for grouting polymers fast, leakage problem for the tunnel, to percolating water position injection high polymer material, described high polymer material is non-aqueous reaction class high polymer material, this material rapid expansion curing of rear volume that reacts, shutoff is filled rapidly in space, Tunnel Water Leakage position, thereby reach the purpose of quick treating tunnel water leakage disease;
Basic construction technology is:
(1) bore at a certain distance injected hole in the percolating water position, hole depth is determined according to tunnel surrounding and liner structure situation;
(2) lower Grouting Pipe in injected hole, for large water burst mouth, set up geotechnological cloth bag;
(3) by Grouting Pipe to percolating water position injection high polymer material, high polymer material reacts rapidly, volume expansion is solidified, and fills the space, the shutoff infiltration.
The Specific construction scheme has following several:
(1) when partial points or gap infiltration, concrete implementation step is:
(1) bore injected hole; At the Tunnel Water Leakage position, at the infiltration point, or bore injected hole along the gap of seeping water with a determining deviation, hole depth is according to the structures shape of lining cutting or country rock, and boring is wanted and can be connected with penetrating passage;
(2) lower Grouting Pipe; Lower Grouting Pipe in injected hole, Grouting Pipe can be PPR pipe or metal tube;
(3) carry out high polymer grouting; Inject high polymer material by Grouting Pipe to lining cutting or country rock seepage part, high polymer material generation chemical reaction, expansion curing, fill percolating water space and cavity rapidly, thus quick blocking percolating water.
(2) when sweat, concrete implementation step is:
(1) bore injected hole; On infiltration face, bore injected hole according to vertical and horizontal with a determining deviation, hole depth is according to the structures shape of lining cutting or country rock;
(2) lower Grouting Pipe; Lower Grouting Pipe in injected hole, Grouting Pipe are PPR pipe or metal tube;
(3) carry out high polymer grouting; By Grouting Pipe to percolating water position injection high polymer material, high polymer material generation chemical reaction, expansion curing, fill percolating water space and cavity rapidly, thereby quick blocking percolating water.
(3) when large water burst, concrete implementation step is:
(1) with hoop 2, geotechnological cloth bag 3 openends are fixed on hollow steel pipe 1 one ends, as shown in Figure 1;
(2) with adhesive tape or cord 4, geotechnological cloth bag 3 is bundled into strip, as shown in Figure 2;
(3) hold hollow steel pipe 1 other end, the geotechnological cloth bag 3 of tying up put into water burst mouth 7, put into again simultaneously one not with the Grouting Pipe 5 of geotechnological cloth bag at water burst mouth 7, Grouting Pipe 5 is put into water burst mouth 7 degree of depth will exceed geotechnological cloth bag 3, as shown in Figure 3;
(4) by the past interior injection multicomponent of geotechnological cloth bag 3 high polymer material 9 of hollow steel pipe 1, high polymer material 9 is in the interior rapid expansion of geotechnological cloth bag 3 and curing, water burst 6 is along with the expansion of the interior high polymer material 9 of geotechnological cloth bag 3, flow is decreased to gradually and stops, thereby quick blocking water burst mouth 7, as shown in Figure 4;
(5) again by not with the Grouting Pipe 5 of geotechnological cloth bag, inject multicomponent high polymer material 9 in the water burst passage, high polymer material 9 expands and solidifies rapidly in the water burst passage, thus quick blocking water burst passage, and reinforce infiltration country rock 8, as shown in Figure 5.
The diameter of above-mentioned geotechnological cloth bag 3 and length can produce plurality of specifications according to the design of issue concrete condition; Hollow steel pipe 1 diameter and length are decided according to requirement of engineering; According to the diameter of hollow steel pipe 1 and geotechnological cloth bag 3, can select the hoop 2 of different size.
Claims (4)
1. a Tunnel Water Leakage is punished method for grouting polymers fast, it is characterized in that: for the leakage problem in tunnel, to percolating water position injection high polymer material, described high polymer material is non-aqueous reaction class high polymer material, this material rapid expansion curing of rear volume that reacts, shutoff is filled rapidly in space, Tunnel Water Leakage position, thereby reach the purpose of quick treating tunnel water leakage disease;
Basic construction technology is:
(1) bore at a certain distance injected hole in the percolating water position, hole depth is determined according to tunnel surrounding and liner structure situation;
(2) lower Grouting Pipe in injected hole, for large water burst mouth, set up geotechnological cloth bag;
(3) by Grouting Pipe to percolating water position injection high polymer material, high polymer material reacts rapidly, volume expansion is solidified, and fills the space, the shutoff infiltration.
2. Tunnel Water Leakage according to claim 1 is punished method for grouting polymers fast, it is characterized in that: when partial points or gap infiltration, concrete implementation step is:
(1) bore injected hole: at the Tunnel Water Leakage position, at the infiltration point, or bore injected hole along the gap of seeping water with a determining deviation, hole depth is according to the structures shape of lining cutting or country rock, and boring is wanted and can be connected with penetrating passage;
(2) lower Grouting Pipe: lower Grouting Pipe in injected hole, Grouting Pipe can be PPR pipe or metal tube;
(3) carry out high polymer grouting: inject high polymer material by Grouting Pipe to lining cutting or country rock seepage part, high polymer material generation chemical reaction, expansion curing, fill percolating water space and cavity rapidly, thus quick blocking percolating water.
3. Tunnel Water Leakage according to claim 1 is punished method for grouting polymers fast, it is characterized in that: when sweat, concrete implementation step is:
(1) bore injected hole: on infiltration face, bore injected hole according to vertical and horizontal with a determining deviation, hole depth is according to the structures shape of lining cutting or country rock;
(2) lower Grouting Pipe: lower Grouting Pipe in injected hole, Grouting Pipe is PPR pipe or metal tube;
(3) carry out high polymer grouting: by Grouting Pipe to percolating water position injection high polymer material, high polymer material generation chemical reaction, expansion curing, fill percolating water space and cavity rapidly, thereby quick blocking percolating water.
4. a Tunnel Water Leakage is punished method for grouting polymers fast, it is characterized in that: when large water burst, concrete implementation step is:
1) with hoop, geotechnological cloth bag openend is fixed on hollow steel pipe one end;
2) with adhesive tape or cord, geotechnological cloth bag is bundled into strip;
3) hold the hollow steel pipe other end, the geotechnological cloth bag of tying up put into the water burst mouth, put into again simultaneously one not with the Grouting Pipe of geotechnological cloth bag at the water burst mouth, Grouting Pipe is put into the water burst mouth degree of depth will exceed geotechnological cloth bag;
4) by hollow steel pipe injection multicomponent high polymer material in the geotechnological cloth bag, described high polymer material is non-aqueous reaction class high polymer material, and high polymer material expands and solidifies rapidly in geotechnological cloth bag, thus quick blocking water burst passway;
5) again by not with the Grouting Pipe of geotechnological cloth bag, inject the multicomponent high polymer material in the water burst passage, high polymer material expands and solidifies rapidly in the water burst passage, thus quick blocking water burst passage.
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| CN102536270B (en) * | 2011-12-29 | 2013-12-25 | 中铁十六局集团北京轨道交通工程建设有限公司 | Tunnel seepage protection method for soft soil stratum by existing shield method |
| CN102877865A (en) * | 2012-09-10 | 2013-01-16 | 刘清洁 | Construction method for treating underground gob or cavity |
| CN103215952A (en) * | 2013-04-11 | 2013-07-24 | 河南博特工程防护有限公司 | High polymer anchoring grouting method |
| CN103215960B (en) * | 2013-04-11 | 2015-06-24 | 郑州安源工程技术有限公司 | Grouting method for high polymer vertical support system |
| CN103821544B (en) * | 2014-02-28 | 2016-04-06 | 山东大学 | Tunneling and underground engineering high-pressure high-flow is dashed forward Water outburst treatment method |
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| CN104033165B (en) * | 2014-05-26 | 2016-08-31 | 江苏鼎泰工程材料有限公司 | Tunnel defect restorative procedure and reparation slurry |
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| CN104500108B (en) * | 2014-12-11 | 2017-04-05 | 中铁十九局集团有限公司 | Method for treating tunnel base water return point |
| CN104631478A (en) * | 2015-02-16 | 2015-05-20 | 中交一航局第一工程有限公司 | Method and device for quick blockage of piping in deep foundation pit |
| CN104775412B (en) * | 2015-03-25 | 2017-04-19 | 广州建恒机电设备安装有限公司 | Stratum reinforcement PSC construction method |
| CN108951708B (en) * | 2018-06-26 | 2020-12-18 | 山东大学 | Comprehensive treatment method for underground engineering lining water leakage |
| CN110805052A (en) * | 2019-10-31 | 2020-02-18 | 中国二十二冶集团有限公司 | Comprehensive treatment method for sudden surge of ultra-deep foundation pit |
| 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 |
| CN111749198B (en) * | 2020-05-30 | 2022-11-25 | 郑州安源工程技术有限公司 | Channel slab underwater grouting stabilizing and lifting method |
| CN114108545B (en) * | 2021-12-01 | 2023-08-08 | 重庆艺锦陶瓷有限公司 | Plugging machine for sectional closing type piping emergency |
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