CN108412544A - The chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging - Google Patents
The chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging Download PDFInfo
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- CN108412544A CN108412544A CN201810189811.9A CN201810189811A CN108412544A CN 108412544 A CN108412544 A CN 108412544A CN 201810189811 A CN201810189811 A CN 201810189811A CN 108412544 A CN108412544 A CN 108412544A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 63
- 238000002425 crystallisation Methods 0.000 title claims abstract description 31
- 230000008025 crystallization Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000004033 plastic Substances 0.000 claims abstract description 32
- 229920003023 plastic Polymers 0.000 claims abstract description 32
- 239000002904 solvent Substances 0.000 claims abstract description 22
- 239000012445 acidic reagent Substances 0.000 claims abstract description 7
- 150000007524 organic acids Chemical class 0.000 claims abstract description 7
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 6
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 10
- 239000013049 sediment Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000001802 infusion Methods 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 239000013078 crystal Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 201000010099 disease Diseases 0.000 description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012502 risk assessment Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 150000005323 carbonate salts Chemical class 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
- E21F16/02—Drainage of tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Treatment Of Sludge (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention is a kind of chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging, the problem of karst area Tunnel Engineering crystallizes obstruction drainage system in the prevalence of karst brings and seriously threatens to the structure safety and its long-term operation of Tunnel Engineering.The present invention relates to the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging.The present invention uses the polymerization of carboxylic acid class organic acid reagent that a concentration of 2000~2200ppm, bichromate index are 17.71~20% to be used as dissolving cleaning solvent.Its construction procedure is divided into：Stifled point electromagnetic surveying, the chemolysis stage, auxiliary dredging measure, the wash cycles stage, blocks dissolving Cleaning pipes hole at dissolving Cleaning pipes arrangement.Above-mentioned dissolving cleaning solvent has environmentally protective and is not chemically reacted with cement base, PVC plastic material, can effectively remove drainage system karst crystal.The construction method of the present invention can effectively solve the problems, such as karst area Tunnel Engineering generally existing karst Crystallization Plugging drainage system.
Description
Technical field
The present invention relates to the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging.Belong to sandhog
Journey treatment technique field.It is safeguarded suitable for Karst Tunnel operation of engineering projects, especially in karst area.
Background technology
For the karst area area in China close to the 1/3 of national territorial area, the disease problem of Karst Tunnel is particularly severe.Rock
Molten tunnel harm is essentially from two aspects：On the one hand it is that karsts developing area causes geological structure and rock-mass quality cracking to tunnel knot
The adverse effect of structure long-time stability；On the other hand it is exactly corrosion function shadow of the karst water to tunnel lining structure and drainage system
It rings.Wherein, a kind of outstanding problem that the latter is caused is exactly that karstic ground water sweeps along landwaste precipitated crystal plug to block up drainage system, is made
Tunnel drainage failure is obtained, liner structure undertakes high external water pressure, to jeopardize tunnel structure safety, or even tunnel structure is caused to open
Generation water leakage defect is split, the safe operation in tunnel is seriously affected.Therefore, for Karst Tunnel drainage system block prevention with
Treatment Methods have become scientific and engineering problem urgently to be resolved hurrily.
In terms of the tunnel defect of karst area, Zhang Guoyan, Tong Jiansheng are with karst area hole gulf Tunnel Water Leakage and water burst etc.
Disease is research object, is proposed on the basis of summarizing hole gulf Tunnel Water Leakage causes of disease and sets drain cavern and extend gutter way
Handle measure；Xu Zhenhao summarizes the origin cause of formation of Karst Tunnel lining cutting pressure break water bursting disaster.Qiu Enxi, Xie Qiang, Wen Jiangquan utilize electricity
Probing method and ELECTROMAGNETIC WAVE COMPUTERIZED TOMOGRAPHY detection Karst Tunnel goaf consolidation effect；Yang Zhongni combinations limestone area tunnel disease
Evil diagnostic method, has invented the minimally invasive Treating technology of construction joint of tunnel percolating water.In recent years, the disease research of Karst Tunnel is mainly poly-
Coke organically combines artificial neural network theories, wavelet analysis and Fuzzy Evaluation Method in percolating water risk assessment, Li Zhilin, establishes
Karst declogging security risk assessment model based on Fuzzy Wavelet Network.However, the studies above is not directed to karst
Crystal blocks research in terms of tunnel drainage system, and corresponding Treatment Methods are after serious destroy occurs for tunnel structure
Means to save the situation, development disease early prevention and treatment and punishment block the cleaning of drainage system and dredge so carrying out lava crystal
Logical technical research has important scientific meaning and engineering value to solving such disease.
Invention content
Technical problem：The object of the present invention is to provide a kind of chemolysis of Karst Tunnel drainage system Crystallization Plugging and clearly
Wash dredging method, it is proposed that one kind can dissolve cleaning karst crystal, not with cement base, that chemistry occurs for PVC plastic material is anti-
Answer and environmentally protective chemical solvent and a whole set of stifled point detection, chemolysis, wash cycles, auxiliary dredging construction
Method.
Technical solution：The chemolysis and cleaning and dredging method of a kind of Karst Tunnel drainage system Crystallization Plugging of the present invention
It is as follows：
The stifled point electromagnetic surveyings of first step：On the basis of investigation obtains Karst Tunnel drainage system Crystallization Plugging region, adopt
With high frequency geological radar, detection, which obtains precisely to crystallize in tunnel lining structure back side PVC plastic drain bar and blind-ditch pipe, blocks up point
It sets and stemming length；
Second step dissolving Cleaning pipes arrangements：Since stifled both ends respectively to stifled dot center direction Inner pan positions calculate,
This section uses water drilling trepanning, trepanning depth to pass through liner structure thickness, reach at karst Crystallization Plugging at spacing intervals；Often
It is inserted into PVC plastic pipe in a trepanning, and smears water-stop glue in the seam crossing of plastic tube and trepanning mouth and carries out patching, finally
Unicom is integral one by one by a multiple three-way pipes for the plastic tube that each trepanning mouth is connected out；
Third walks the chemolysis stages：Dissolving cleaning solvent is filled in the integral PVC plastic pipe of mutual unicom, and
And sealing pressing, it is kept for the dissolving dredging phase, monitors the concentration of pressure gauge and cleaning solution at any time, ensure that pressure maintains sealing pressure
Power；
4th step assists dredging measure：Within 5~10 days dissolving dredging phases, ultrasonic surface vibration gauge is used daily,
It is vibrated on the liner structure tunnel inner wall face in each two aperture section for being maintained at bottleneck area every time；Maintain dissolving hydraulic coupling with
During the ftercompction of concentration, fluid infusion, discovery occurs sediment orientation fine crushing in the connecting pipe in some aperture section and continues
Flowing, then can determine whether out section Crystallization Plugging preliminarily solubilised；
5th step wash cycles stages：After the Crystallization Plugging preliminarily solubilised in the section, change the PVC plastic in the section
The connection status of pipe is allowed to not connect with the PVC plastic pipe in other sections, the plastic tube of the section holes is interconnected to form
Circuit injects the dissolving cleaning solvent newly matched in plastics tube loop, and pump pressure is added, and dissolving cleaning solvent is made to circulate,
Reach wash cycles effect；It when the blocking circulating pump water inlet of sediment fine crushing in pipeline or is intended to more to renew daily and match
Dissolve cleaning solvent, when in pipeline sediment amount of precipitation fine crushing less than liquor capacity capacity 5% after, it can be assumed that cleaning effect
Fruit reaches dredging standard, can stop wash cycles process；
6th step blocks dissolving Cleaning pipes hole：After all sections reach cleaning performance, emptying dissolving cleaning is molten
Agent, and final dredging effect is examined using high frequency geological radar, C40 or more high grade waterproof cements are finally used, cleaning is blocked
Hole.
Wherein,
In the second step, calculated since the positions 10cm are respectively moved in stifled both ends to stifled dot center direction Inner, in this section
Aperture 25mm water drilling trepannings are used every 30~40cm spacing,
In second step, the PVC plastic pipe aperture being inserted into each trepanning is 20~25mm.
In third step, the sealing pressing is forced into 0.8~0.1MPa, and the phase is dredged in the dissolving kept for 5~10 days.
Third step in, the dissolving cleaning solvent be a concentration of 2000~2200ppm bichromates index be 17.71~
20% polymerization of carboxylic acid class organic acid reagent.
In 4th step, described uses ultrasonic surface vibration gauge 2~10 times daily, is maintained at every the two of bottleneck area every time
15~20min is vibrated on the liner structure tunnel inner wall face in a aperture section.
In 5th step, the dissolving cleaning solvent newly matched be 2000~2200ppm bichromate indexes be 17.71~
20% polymerization of carboxylic acid class organic acid reagent.
The high frequency geological radar uses the high frequency geological radar of 1000~1200MHz.
Advantageous effect：Karst crystallization is soluble carbonate salt rock by works such as dissolving erosion, waterpower carrying, crystallization depositions
With and formed.The problem of karst area Tunnel Engineering crystallizes obstruction drainage system in the prevalence of karst, gives the knot of Tunnel Engineering
Structure safety and its long-term operation bring and seriously threaten.Present invention seek to address that karst area Tunnel Engineering generally existing karst knot
Crystalline substance blocks the problem of drainage system.The present invention use a concentration of 2000ppm, bichromate index for 17.71% polymerization of carboxylic acid
Class organic acid reagent is as dissolving cleaning solvent.Its construction procedure is divided into：Stifled point electromagnetic surveying, is changed dissolving Cleaning pipes arrangement
It learns dissolution phase, auxiliary dredging measure, the wash cycles stage, block dissolving Cleaning pipes hole.Above-mentioned dissolving cleaning solvent has
It is environmentally protective and do not chemically reacted with cement base, PVC plastic material, drainage system karst crystal can be effectively removed, is applied
Work method is simple and effective, has very strong operability.
Specific implementation mode
It illustrates below and technical scheme of the present invention is described in detail：
1, the construction method of the chemolysis of Karst Tunnel drainage system Crystallization Plugging and cleaning and dredging, including following step
Suddenly：
The first step：Stifled point electromagnetic surveying is adopted on the basis of investigation obtains Karst Tunnel drainage system Crystallization Plugging region
With 1000MHz high frequency geological radars, detection obtains precisely to be crystallized in tunnel lining structure back side PVC plastic drain bar and blind-ditch pipe
Stifled point position and stemming length；
Second step：Cleaning pipes arrangement is dissolved, is counted since the positions 10mm are respectively moved in stifled both ends to stifled dot center direction Inner
It calculates, uses aperture 25mm water drilling trepannings, trepanning depth to pass through liner structure thickness, reach every 30~40cm spacing in this section
At karst Crystallization Plugging；It is inserted into aperture 20~25mmPVC plastic tubes in each hole, and is applied in the seam crossing in plastic tube and aperture
It wipes glue and carries out patching, finally the plastic tube that each aperture connects out is connected one by one by a multiple three-way pipes
Come；
Third walks：The chemolysis stage fills a concentration of 2000ppm, weight chromium in the PVC plastic pipe being serially connected
The polymerization of carboxylic acid class organic acid reagent that hydrochlorate index is 17.71% as dissolving cleaning solvent, and sealing pressing to 0.8~
0.1MPaMPa, last subsequent dissolving in 5~10 days dredge the phase, monitor the concentration of pressure gauge and cleaning solution at any time, ensure pressure
0.8~0.1MPaMPa is maintained, concentration index maintains 2000~2200ppm, bichromate index is 17.71%~20%.
4th step：Dredging measure is assisted, within 5~10 days cleaning and dredging phases, uses ultrasonic surface vibration gauge 2 daily
~10 times, it is maintained at 15~20min of vibration on the liner structure tunnel inner wall face in each two aperture section of bottleneck area every time；
During the ftercompction of hydraulic coupling and concentration, fluid infusion are dissolved in maintenance, discovery occurs thin in the connecting pipe in some aperture section
Broken sediment orients constant flow, then can determine whether out section Crystallization Plugging preliminarily solubilised；
5th step：The wash cycles stage after the section Crystallization Plugging preliminarily solubilised, then changes the PVC plastic in the section
The connection status of pipe is allowed to not connect with the PVC plastic pipe in other sections, the plastic tube of the section holes is interconnected to form
Circuit injects the dissolving cleaning solvent newly matched in plastics tube loop, and pump pressure is added, and dissolving cleaning solvent is made to circulate,
Reach wash cycles effect.According to the quantity of sediment fine crushing in pipeline, the dissolving cleaning solvent newly matched is regularly replaced, pipeline is worked as
After interior sediment amount of precipitation fine crushing is less, it can be assumed that cleaning performance reaches dredging standard, wash cycles process can be stopped.
6th step：Dissolving Cleaning pipes hole is blocked, after all sections reach cleaning performance, emptying dissolving cleaning is molten
Agent, and final dredging effect is examined using 1000MHz high frequency geological radars, C40 high grade waterproof cements are finally used, are blocked clear
Hole flushing.
Claims (8)
1. a kind of chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging, it is characterised in that
The chemolysis and cleaning and dredging method are as follows：
The stifled point electromagnetic surveyings of first step：On the basis of investigation obtains Karst Tunnel drainage system Crystallization Plugging region, use
High frequency geological radar, detection, which obtains, precisely crystallizes a stifled point position in tunnel lining structure back side PVC plastic drain bar and blind-ditch pipe
With stemming length；
Second step dissolving Cleaning pipes arrangements：Since stifled both ends respectively to stifled dot center direction Inner pan positions calculate, herein
Section uses water drilling trepanning, trepanning depth to pass through liner structure thickness, reach at karst Crystallization Plugging at spacing intervals；Each
It is inserted into PVC plastic pipe in trepanning, and smears water-stop glue in the seam crossing of plastic tube and trepanning mouth and carries out patching, finally
Unicom is integral one by one by a multiple three-way pipes for the plastic tube that each trepanning mouth is connected out；
Third walks the chemolysis stages：Dissolving cleaning solvent is filled in the integral PVC plastic pipe of mutual unicom, and close
Envelope pressurization, is kept for the dissolving dredging phase, monitors the concentration of pressure gauge and cleaning solution at any time, ensures that pressure maintains sealed pressure；
4th step assists dredging measure：Within 5 ~ 10 days dissolving dredging phases, ultrasonic surface vibration gauge is used daily, every time
It is maintained on the liner structure tunnel inner wall face in each two aperture section of bottleneck area and vibrates；Maintaining dissolving hydraulic coupling and concentration
Ftercompction, during fluid infusion, there is sediment orientation constant flow fine crushing in the connecting pipe in some aperture section in discovery,
It then can determine whether out section Crystallization Plugging preliminarily solubilised；
5th step wash cycles stages：After the Crystallization Plugging preliminarily solubilised in the section, change the PVC plastic pipe in the section
Connection status is allowed to not connect with the PVC plastic pipe in other sections, the plastic tube of the section holes is interconnected to form back
Road injects the dissolving cleaning solvent newly matched in plastics tube loop, and pump pressure is added, and so that dissolving cleaning solvent is circulated, reaches
To wash cycles effect；When the blocking circulating pump water inlet of sediment fine crushing in pipeline or daily be intended to more renew match it is molten
Solve cleaning solvent, when in pipeline sediment amount of precipitation fine crushing less than liquor capacity capacity 5% after, it can be assumed that cleaning performance
Reach dredging standard, wash cycles process can be stopped；
6th step blocks dissolving Cleaning pipes hole：After all sections reach cleaning performance, emptying dissolving cleaning solvent, and
Final dredging effect is examined using high frequency geological radar, C40 or more high grade waterproof cements is finally used, blocks cleaning hole.
2. the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging according to claim 1,
It is characterized in that, in the second step, is calculated since the positions 10cm are respectively moved in stifled both ends to stifled dot center direction Inner, in this section
Aperture 25mm water drilling trepannings are used every 30 ~ 40cm spacing.
3. the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging according to claim 1,
It is characterized in that, in second step, the PVC plastic pipe aperture being inserted into each trepanning is 20 ~ 25mm.
4. the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging according to claim 1,
It is characterized in that, in third step, the sealing pressing is forced into 0.8 ~ 0.1MPa, and the phase is dredged in the dissolving kept for 5 ~ 10 days.
5. the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging according to claim 1,
Be characterized in that, third step in, the dissolving cleaning solvent be a concentration of 2000 ~ 2200ppm bichromates index be 17.71 ~
20% polymerization of carboxylic acid class organic acid reagent.
6. the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging according to claim 1,
It is characterized in that, in the 4th step, described uses ultrasonic surface vibration gauge 2 ~ 10 times daily, is maintained at every the two of bottleneck area every time
15 ~ 20min is vibrated on the liner structure tunnel inner wall face in a aperture section.
7. the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging according to claim 1,
It is characterized in that, in the 5th step, the dissolving cleaning solvent newly matched is that 2000 ~ 2200ppm bichromate indexes are 17.71 ~ 20%
Polymerization of carboxylic acid class organic acid reagent.
8. the chemolysis and cleaning and dredging method of Karst Tunnel drainage system Crystallization Plugging according to claim 1,
It is characterized in that, the high frequency geological radar uses the high frequency geological radar of 1000 ~ 1200MHz.
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| CN201810189811.9A CN108412544B (en) | 2018-03-08 | 2018-03-08 | Chemical dissolving and cleaning dredging method for crystal blockage of karst tunnel drainage system |
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| CN201810189811.9A CN108412544B (en) | 2018-03-08 | 2018-03-08 | Chemical dissolving and cleaning dredging method for crystal blockage of karst tunnel drainage system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966041A (en) * | 2019-11-29 | 2020-04-07 | 长安大学 | Small-pipe-diameter tunnel drainage blind pipe intelligent dredging robot |
| CN112459835A (en) * | 2020-11-24 | 2021-03-09 | 中国地质大学（武汉） | Device for preventing crystal blockage of tunnel drainage system in karst area |
| CN113309566A (en) * | 2021-07-12 | 2021-08-27 | 重庆交通大学 | Anti-crystallization drainage system for tunnel |
| CN113339062A (en) * | 2021-07-22 | 2021-09-03 | 重庆国翔新材料有限公司 | Tunnel drain pipe anti-clogging device based on thing networking |
| CN113530600A (en) * | 2021-07-30 | 2021-10-22 | 陕西交通控股集团有限公司 | Tunnel longitudinal drain pipe blockage on-line monitoring and directional cleaning system and method |
| CN113530599A (en) * | 2021-07-21 | 2021-10-22 | 重庆交通大学 | Tunnel drain pipe crystallization treatment device based on thing networking |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113530600A (en) * | 2021-07-30 | 2021-10-22 | 陕西交通控股集团有限公司 | Tunnel longitudinal drain pipe blockage on-line monitoring and directional cleaning system and method |
| CN113530600B (en) * | 2021-07-30 | 2024-05-10 | 陕西交通控股集团有限公司 | On-line monitoring and directional cleaning system and method for blocking of longitudinal drainage pipe of tunnel |
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| CN108412544B (en) | 2020-01-10 |
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