CN112593983A - Diversion consolidation technology-based tunnel water bursting expansion plugging structure and application method thereof - Google Patents
Diversion consolidation technology-based tunnel water bursting expansion plugging structure and application method thereof Download PDFInfo
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- CN112593983A CN112593983A CN202011632535.2A CN202011632535A CN112593983A CN 112593983 A CN112593983 A CN 112593983A CN 202011632535 A CN202011632535 A CN 202011632535A CN 112593983 A CN112593983 A CN 112593983A
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- diversion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 238000007596 consolidation process Methods 0.000 title claims abstract description 16
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000009172 bursting Effects 0.000 title description 5
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 230000036571 hydration Effects 0.000 claims description 2
- 238000006703 hydration reaction Methods 0.000 claims description 2
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 8
- 230000005494 condensation Effects 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- 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)
- Excavating Of Shafts Or Tunnels (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology and the use method thereof comprise a pipe body, wherein a shell structure is arranged on the pipe body, a stabilizing pipe is arranged at one end of the pipe body, a suction device is arranged at the other end of the pipe body, a cooling structure is arranged between the shell structure and the pipe body, and a plurality of reinforcing structures are arranged on the shell structure; the shell structure comprises an inner pipe matched with the pipe body, a plurality of supporting ring pipe units matched with each other are arranged on the inner pipe, and gaps are formed between every two adjacent supporting ring pipe units; the cooling structure comprises a box body, a plurality of connecting pipes are arranged on the box body and connected with the cooling pipe wound on the outer wall of the pipe body through a sealing connecting piece, and a pump body structure is arranged on one connecting pipe. Adopt above-mentioned structure, become uncontrollable rivers into controllable, the rivers of water conservancy diversion, the inflation agent mixture location shutoff of drawing water the water conservancy diversion in the multiple places of being convenient for, the slow rivers of effective temporary condensation, the inflation agent mixture location shutoff in the membrane bag of being convenient for.
Description
Technical Field
The invention relates to the field of tunnels and underground engineering, in particular to a tunnel water bursting expansion plugging structure based on a diversion consolidation technology and a use method thereof.
Background
The mechanical action of groundwater has hydrostatic pressure effect and powerful water pressure effect, and these two kinds of effects can both make the rock mass take place hydraulic fracture, make the crack chain increase and open the aperture increase to increase the osmotic force, make local water proof barrier effect broken through, groundwater level is higher, thereby forms gush water and suddenly mud. Therefore, water is the largest source of water gushing and mud bursting disasters, the pressure is high, the general burial depth of the tunnel is large, the original balance pressure is broken through blasting excavation, and the tunnel is in a high-pressure state. In addition, the tunnel is in unfavorable geology, generally has the characteristics of being long, large, deep and the like, is subjected to various changes of surrounding rocks along the way, and is particularly easy to cause water and mud gushing disasters when passing through unfavorable geology such as a karst cave, a fault fracture zone or a contact zone, an underground river and the like. In summary, the unfavorable combination of the three, namely water-rich, high pressure and unfavorable geology, is the main geological condition for inducing water burst mud burst disasters. Blind and unreasonable excavation on unfavorable geological surrounding rocks is caused by overlarge excavation footage, and the main reason for water burst and mud burst is caused.
With the continuous development and perfection of the traffic network and the hydropower resource in China, tunnels and underground engineering are transferred to western regions with more complex topographic and geological conditions, and because of the complex uncertainty of the geological structure and the improper construction method in the construction process, the situation of high-pressure sudden water burst is generated occasionally, so that not only is property loss easily caused, but also casualties are more easily caused.
The existing gushing water plugging method has low gushing water treatment efficiency for irregular tunnels, still has great risk, particularly has extremely poor control force on water flow, and has complicated and single water system and lower efficiency in multi-point construction.
Disclosure of Invention
The invention aims to solve the technical problems that the tunnel water inrush expansion plugging structure based on the diversion consolidation technology and the use method thereof are provided, the problems that the existing device cannot efficiently treat water inrush of irregular tunnels and has higher risk are solved, the pipeline diversion water inrush can be connected, the uncontrollable water flow is changed into controllable and conductive water flow, and when the water flow in the actual engineering is very large, the diversion water shutoff can reduce the water flow; a plurality of water pumping and flow guiding and expansion agent mixture positioning and plugging can be carried out around the engineering implementation site, so that the water flow of the engineering implementation site is reduced; the slow water flow is temporarily condensed by using the cooling material, and then the expansion agent mixture filled in the membrane bag is used for positioning and plugging, so that the problem of water inrush is effectively solved, and safety guarantee is provided for engineering practice.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the tunnel water-bursting expansion plugging structure based on the diversion consolidation technology comprises a pipe body, wherein a shell structure is arranged on the pipe body, a stabilizing pipe is arranged at one end of the pipe body, a suction device is arranged at the other end of the pipe body, a cooling structure is arranged between the shell structure and the pipe body, and a plurality of strengthening structures are arranged on the shell structure;
the shell structure comprises an inner pipe matched with the pipe body, a plurality of supporting ring pipe units matched with each other are arranged on the inner pipe, and gaps are formed between every two adjacent supporting ring pipe units;
the cooling structure comprises a box body, a plurality of connecting pipes are arranged on the box body and connected with the cooling pipe wound on the outer wall of the pipe body through a sealing connecting piece, and a pump body structure is arranged on one connecting pipe.
In the preferred scheme, the cooling pipe be double-end spiral structure, the cooling pipe is connected with the body through the fixed block that sets up on the body outer wall.
In a preferable scheme, the stabilizing pipe is provided with stabilizing threads.
In a preferable scheme, the support ring pipe units are provided with right-angle support positions, and the right-angle support positions between adjacent support ring pipe units are matched with each other.
In the preferred scheme, reinforced structure include with shell structure complex collar, the collar is through installation pole and shell structure fixed connection, be equipped with a plurality of mounting grooves around collar center evenly distributed on the collar, the mounting groove is articulated through the one end of installation axle with the hack lever, the other end of hack lever is equipped with anti-skidding tip and stably colludes, is equipped with the cooperation net between the adjacent hack lever, one side that the cooperation net is close to shell structure is equipped with expanding structure.
In the preferred scheme, the expansion structure comprises a membrane bag made of a steel wire mesh and carbon fibers, and cement, an expanding agent, a steel wire, an early strength agent, an accelerating agent and water are filled in the membrane bag.
In the preferred scheme, the pipe body adopts the material that keeps apart the temperature.
The tunnel water bursting expansion plugging structure based on the diversion consolidation technology and the use method thereof have the following beneficial effects by adopting the structure:
(1) the problem that the existing device cannot efficiently treat water inrush of an irregular tunnel and has higher risk is solved, the device can be connected with a pipeline for diversion and water inrush, uncontrollable water flow is changed into controllable and flow-guiding water flow, and when the water flow in the actual engineering is large, the diversion and water shutoff can reduce the water flow;
(2) a plurality of water pumping and flow guiding and expansion agent mixture positioning and plugging can be carried out around the engineering implementation site, so that the water flow of the engineering implementation site is reduced;
(3) the slow water flow is temporarily condensed by using the cooling material, and then the expansion agent mixture filled in the membrane bag is used for positioning and plugging, so that the problem of water inrush is effectively solved, and safety guarantee is provided for engineering practice.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic structural diagram of the housing of the present invention.
Fig. 4 is a schematic view of the cooling structure and the tube body according to the present invention.
Fig. 5 is a schematic view of a cooling structure of the present invention.
Fig. 6 is a schematic view of a reinforcing structure of the present invention.
Fig. 7 is a schematic view of a reinforcing structure of the present invention.
In the figure: the structure comprises a shell structure 1, a pipe body 2, a suction device 3, a stabilizing pipe 4, a box body 5, a reinforcing structure 6, an inner pipe 7, a supporting ring pipe unit 8, a gap 9, a fixing block 10, a connecting pipe 11, a cooling pipe 12, a sealing connecting piece 13, a pump body structure 14, a mounting ring 15, a mounting rod 16, a mounting groove 17, a mounting shaft 18, a framework rod 19, a matching net 20, an anti-skid pointed end 21, a stable hook 22, an expansion structure 23, a stabilizing thread 24 and a right-angle supporting position 25.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1-7, the tunnel water-bursting expansion plugging structure based on the diversion consolidation technology comprises a pipe body 2, wherein a shell structure 1 is arranged on the pipe body 2, a stabilizing pipe 4 is arranged at one end of the pipe body 2, a suction device 3 is arranged at the other end of the pipe body 2, a cooling structure is arranged between the shell structure 1 and the pipe body 2, and a plurality of reinforcing structures 6 are arranged on the shell structure 1;
the shell structure 1 comprises an inner pipe 7 matched with the pipe body 2, the inner pipe 7 is provided with a plurality of supporting ring pipe units 8 matched with each other, and a gap 9 is arranged between every two adjacent supporting ring pipe units 8;
the cooling structure include box 5, be equipped with a plurality of connecting pipes 11 on box 5, connecting pipe 11 is connected with cooling pipe 12 of winding on body 2 outer wall through sealing connecting piece 13, is equipped with pump body structure 14 on one of them connecting pipe 11.
In the preferred scheme, cooling pipe 12 be double-end spiral structure, cooling pipe 12 is connected with body 2 through the fixed block 10 that sets up on body 2 outer wall.
In a preferred scheme, the stabilizing pipe 4 is provided with a stabilizing thread 24.
In a preferred scheme, the support ring pipe units 8 are provided with right-angle support positions 25, and the right-angle support positions 25 between adjacent support ring pipe units 8 are matched with each other.
In the preferred scheme, reinforced structure 6 include with shell structure 1 complex collar 15, collar 15 passes through installation pole 16 and shell structure 1 fixed connection, be equipped with a plurality of mounting grooves 17 around collar 15 center evenly distributed on the collar 15, mounting groove 17 is articulated through the one end of installation axle 18 with skeleton pole 19, the other end of skeleton pole 19 is equipped with anti-skidding prong 21 and stable hook 22, be equipped with cooperation net 20 between the adjacent skeleton pole 19, one side that cooperation net 20 is close to shell structure 1 is equipped with expansion structure 23.
In a preferred scheme, the expansion structure 23 comprises a membrane bag made of a steel wire mesh and carbon fibers, and cement, an expanding agent, a steel wire, an early strength agent, an accelerating agent and water are filled in the membrane bag.
In the preferred scheme, the pipe body 2 is made of a heat insulation material.
Example two:
as shown in fig. 1-7, the method of use of the present invention is:
firstly, assembling a pipe body 2 and a shell structure 1 according to use requirements, adjusting the number of support ring pipe units 8 in the shell structure 1 according to requirements, then selecting a proper number of reinforcing structures 6 to be additionally arranged on the shell structure 1, and pushing the structure into a tunnel water inrush position through an air compressor;
secondly, opening the cooling structure, pumping the cooling material in the box body 5 into a cooling pipe 12 wound on the pipe body 2 through a connecting pipe 11 by working through a pump body structure 14, and circularly returning the cooling material to the box body 5 through the other end of the cooling pipe 12, wherein the double-end spiral structure of the cooling pipe 12 can be matched with the cooling material to uniformly and stably reduce the temperature and freeze part of accumulated water in the hole;
thirdly, the expansion structure 23 in the reinforcing structure 6 realizes the regular expansion by adjusting the proportion of the early strength agent and the accelerator therein, the early strength agent and the accelerator can accelerate the hydration and hardening of the cement to form enough strength within the required time range, the framework rods 19 distributed in an umbrella shape in the reinforcing structure 6 are pushed to open by the expansion support, and the support is reinforced under the matching of the antiskid cusp 21 and the stabilizing hook 22;
and fourthly, the expansion structure 23 is tightly matched with the water expansion, and after water burst is blocked and no water flows out, the cooling structure and the suction device 3 are closed.
The invention has the beneficial effects that: the problem that the existing device cannot efficiently treat water inrush of an irregular tunnel and has higher risk is solved, the device can be connected with a pipeline for diversion and water inrush, uncontrollable water flow is changed into controllable and flow-guiding water flow, and when the water flow in the actual engineering is large, the diversion and water shutoff can reduce the water flow; a plurality of water pumping and flow guiding and expansion agent mixture positioning and plugging can be carried out around the engineering implementation site, so that the water flow of the engineering implementation site is reduced; the slow water flow is temporarily condensed by using the cooling material, and then the expansion agent mixture filled in the membrane bag is used for positioning and plugging, so that the problem of water inrush is effectively solved, and safety guarantee is provided for engineering practice.
Claims (8)
1. Tunnel water burst expansion block structure based on water conservancy diversion consolidation technique, including body (2), its characterized in that: the device is characterized in that a shell structure (1) is arranged on the pipe body (2), a stabilizing pipe (4) is arranged at one end of the pipe body (2), a suction device (3) is arranged at the other end of the pipe body (2), a cooling structure is arranged between the shell structure (1) and the pipe body (2), and a plurality of reinforcing structures (6) are arranged on the shell structure (1);
the shell structure (1) comprises an inner pipe (7) matched with the pipe body (2), a plurality of supporting ring pipe units (8) matched with each other are arranged on the inner pipe (7), and gaps (9) are arranged between the adjacent supporting ring pipe units (8);
the cooling structure comprises a box body (5), a plurality of connecting pipes (11) are arranged on the box body (5), the connecting pipes (11) are connected with cooling pipes (12) wound on the outer wall of the pipe body (2) through sealing connecting pieces (13), and a pump body structure (14) is arranged on one connecting pipe (11).
2. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology as claimed in claim 1, wherein: the cooling pipe (12) is of a double-end spiral structure, and the cooling pipe (12) is connected with the pipe body (2) through a fixing block (10) arranged on the outer wall of the pipe body (2).
3. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology as claimed in claim 1, wherein: the stabilizing pipe (4) is provided with stabilizing threads (24).
4. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology as claimed in claim 1, wherein: the support ring pipe units (8) are provided with right-angle support positions (25), and the right-angle support positions (25) between adjacent support ring pipe units (8) are matched with each other.
5. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology as claimed in claim 1, wherein: reinforced structure (6) include with shell structure (1) complex collar (15), collar (15) are through installation pole (16) and shell structure (1) fixed connection, be equipped with a plurality of mounting grooves (17) around collar (15) center evenly distributed on collar (15), mounting groove (17) are articulated through the one end of installing axle (18) with skeleton pole (19), the other end of skeleton pole (19) is equipped with anti-skidding tip (21) and stably colludes (22), be equipped with cooperation net (20) between adjacent skeleton pole (19), one side that cooperation net (20) are close to shell structure (1) is equipped with expansion structure (23).
6. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology of claim 5, wherein: the expansion structure (23) comprises a membrane bag made of a steel wire mesh and carbon fibers, and cement, an expanding agent, a steel wire, an early strength agent, an accelerating agent and water are filled in the membrane bag.
7. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology as claimed in claim 1, wherein: the pipe body (2) is made of a heat insulation material.
8. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology and the use method thereof as claimed in claims 1-7, characterized in that the method comprises the following steps:
firstly), assembling a pipe body (2) and a shell structure (1) according to use requirements, adjusting the number of supporting ring pipe units (8) in the shell structure (1) according to requirements, then selecting a reinforcing structure (6) with a proper number to be additionally arranged on the shell structure (1), and pushing the structure into a tunnel water inrush part through an air compressor;
secondly), opening a cooling structure, working through a pump body structure (14), pumping cooling materials in the box body (5) into a cooling pipe (12) wound on the pipe body (2) through a connecting pipe (11), and circulating the cooling materials back to the box body (5) through the other end of the cooling pipe (12), wherein the double-end spiral structure of the cooling pipe (12) can be matched with the cooling materials to uniformly and stably reduce the temperature, and partial accumulated water in the freezing hole is frozen;
thirdly, the expansion structure (23) in the reinforcing structure (6) realizes the timed expansion by adjusting the proportion of the early strength agent and the accelerating agent, the early strength agent and the accelerating agent accelerate the hydration and hardening of cement, enough strength is formed within a required time range, the expansion support pushes the umbrella-shaped skeleton rods (19) in the reinforcing structure (6) to open, and the support is reinforced under the matching of the antiskid cusp (21) and the stabilizing hook (22);
fourthly), the expansion structure (23) is tightly matched with the expansion structure when meeting water, and after water burst is blocked and no water flows out, the cooling structure and the suction device (3) are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632535.2A CN112593983B (en) | 2020-12-31 | 2020-12-31 | Tunnel water-inrush expansion plugging structure based on diversion consolidation technology and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011632535.2A CN112593983B (en) | 2020-12-31 | 2020-12-31 | Tunnel water-inrush expansion plugging structure based on diversion consolidation technology and use method thereof |
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| Publication Number | Publication Date |
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| CN112593983A true CN112593983A (en) | 2021-04-02 |
| CN112593983B CN112593983B (en) | 2023-05-02 |
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| CN202011632535.2A Active CN112593983B (en) | 2020-12-31 | 2020-12-31 | Tunnel water-inrush expansion plugging structure based on diversion consolidation technology and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961637A (en) * | 2022-06-24 | 2022-08-30 | 三峡大学 | Device and method for blocking and guiding water inrush of tunnel |
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|---|---|---|---|---|
| JP2004169327A (en) * | 2002-11-18 | 2004-06-17 | Sumitomo Rubber Ind Ltd | Water sealing material |
| CN110107353A (en) * | 2019-04-22 | 2019-08-09 | 太原理工大学 | A kind of gushing water emergency shutoff method and its water blocking device |
| CN110242245A (en) * | 2019-05-14 | 2019-09-17 | 煤炭科学技术研究院有限公司 | Drilling Water expansion plugging drainage device |
| CN211472377U (en) * | 2019-12-17 | 2020-09-11 | 王仁龙 | Combined structure for preventing and treating water inrush leakage of hydraulic engineering tunnel |
| CN111733849A (en) * | 2020-07-29 | 2020-10-02 | 山东建勘集团有限公司 | Curtain rapid leaking stoppage device in high-water-head stratum and construction method thereof |
| CN112065403A (en) * | 2020-09-01 | 2020-12-11 | 中交第二航务工程局有限公司 | Steel pipe sheet device for freezing soil around tail of shield tunneling machine and construction method thereof |
-
2020
- 2020-12-31 CN CN202011632535.2A patent/CN112593983B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004169327A (en) * | 2002-11-18 | 2004-06-17 | Sumitomo Rubber Ind Ltd | Water sealing material |
| CN110107353A (en) * | 2019-04-22 | 2019-08-09 | 太原理工大学 | A kind of gushing water emergency shutoff method and its water blocking device |
| CN110242245A (en) * | 2019-05-14 | 2019-09-17 | 煤炭科学技术研究院有限公司 | Drilling Water expansion plugging drainage device |
| CN211472377U (en) * | 2019-12-17 | 2020-09-11 | 王仁龙 | Combined structure for preventing and treating water inrush leakage of hydraulic engineering tunnel |
| CN111733849A (en) * | 2020-07-29 | 2020-10-02 | 山东建勘集团有限公司 | Curtain rapid leaking stoppage device in high-water-head stratum and construction method thereof |
| CN112065403A (en) * | 2020-09-01 | 2020-12-11 | 中交第二航务工程局有限公司 | Steel pipe sheet device for freezing soil around tail of shield tunneling machine and construction method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961637A (en) * | 2022-06-24 | 2022-08-30 | 三峡大学 | Device and method for blocking and guiding water inrush of tunnel |
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| CN112593983B (en) | 2023-05-02 |
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Application publication date: 20210402 Assignee: Hubei Hongzhuo Architectural Design Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980043461 Denomination of invention: Tunnel Water Burst Expansion Sealing Structure and Its Application Method Based on Diversion and Consolidation Technology Granted publication date: 20230502 License type: Exclusive License Record date: 20231019 |
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Assignee: Hubei Hongzhuo Architectural Design Co.,Ltd. Assignor: CHINA THREE GORGES University Contract record no.: X2023980043461 Date of cancellation: 20240402 |