CN112593983B - Tunnel water-inrush expansion plugging structure based on diversion consolidation technology and use method thereof - Google Patents

Tunnel water-inrush expansion plugging structure based on diversion consolidation technology and use method thereof Download PDF

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Publication number
CN112593983B
CN112593983B CN202011632535.2A CN202011632535A CN112593983B CN 112593983 B CN112593983 B CN 112593983B CN 202011632535 A CN202011632535 A CN 202011632535A CN 112593983 B CN112593983 B CN 112593983B
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pipe
water
cooling
expansion
pipe body
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CN112593983A (en
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刘杰
李政
韦俐媛
刘星宇
黎照
石谦
孙涛
李运舟
杨浩宇
唐洪宇
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/38Waterproofing; Heat insulating; Soundproofing; Electric insulating
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Abstract

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 stable 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 arranged between adjacent supporting ring pipe units; the cooling structure comprises a box body, wherein a plurality of connecting pipes are arranged on the box body and connected with cooling pipes wound on the outer wall of the pipe body through sealing connectors, and one connecting pipe is provided with a pump body structure. By adopting the structure, uncontrollable water flow is changed into controllable and diversion water flow, so that water pumping and diversion at multiple positions and positioning and plugging of the expanding agent mixture are facilitated, slow water flow is effectively and temporarily condensed, and positioning and plugging of the expanding agent mixture in the membrane bag are facilitated.

Description

Tunnel water-inrush expansion plugging structure based on diversion consolidation technology and use method thereof
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 the underground water has hydrostatic pressure action and hydraulic pressure action, and the two actions can enable the rock mass to generate hydraulic fracture, so that the opening degree of the crack linkage is increased, the permeability is increased, the local water-proof barrier action is broken through, the underground water level is higher, and water-gushing mud is formed. Therefore, water is the biggest root of water-gushing and mud-bursting disasters, and the pressure is high, the common buried depth of the tunnel is large, and after blasting excavation, the original balance pressure is broken, and the tunnel is in a high-pressure state. Also, the tunnel is characterized by long, large, deep and the like, and the tunnel is subjected to various surrounding rock changes along the way, so that the tunnel is particularly easy to generate water and mud gushing disasters when passing through the karst cave, the fault fracture zone or the contact zone, the underground river and other bad geology. In a comprehensive view, the unfavorable combination of water-rich, high-pressure and unfavorable geology is a main geological condition for inducing water-gushing and mud-gushing disasters. Blind unreasonable excavation of bad geological surrounding rock and oversized excavation footage are main reasons for causing water and mud gushing.
Along with the continuous and near perfect development of traffic networks and hydropower resources in China, tunnels and underground engineering are being shifted towards western regions with more complex terrain and geological conditions, and the situation that high-pressure gushing water is generated in the construction process due to complex uncertainty of geological structures and improper construction methods is caused, so that property loss is easy to cause, and casualties are easy to occur.
The existing water bursting blocking method has low water bursting treatment efficiency for irregular tunnels, still has larger risks, especially has extremely poor control force for water flow, is complex in water system and not single, and has lower efficiency in multi-point construction.
Disclosure of Invention
The invention aims to solve the technical problems of providing a tunnel water bursting expansion plugging structure based on a diversion consolidation technology and a use method thereof, solving the problems that the existing device cannot efficiently treat water bursting of an irregular tunnel and has higher risk, and the existing device can take over the diversion water bursting, change uncontrollable water flow into controllable and diversion water flow, and reduce the water flow by diversion water shutoff when the water flow in engineering practice is large; the water pumping diversion and the expansion agent mixture positioning plugging can be carried out at a plurality of positions 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 a cooling material, and then the water flow is blocked by using the expanding agent mixture in the membrane bag, so that the water burst problem is effectively solved, and the safety guarantee is provided for engineering practice.
In order to solve the technical problems, the invention adopts the following technical scheme: 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 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 arranged between adjacent supporting ring pipe units;
the cooling structure comprises a box body, wherein a plurality of connecting pipes are arranged on the box body and connected with cooling pipes wound on the outer wall of the pipe body through sealing connectors, and one connecting pipe is provided with a pump body structure.
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 preferred scheme, the stabilizing tube is provided with stabilizing threads.
In the preferred scheme, the right-angle support positions are arranged on the support ring pipe units, and the right-angle support positions between adjacent support ring pipe units are mutually matched.
In the preferred scheme, reinforced structure include with shell structure complex collar, the collar passes through installation pole and shell structure fixed connection, is equipped with a plurality of mounting grooves around collar center evenly distributed on the collar, the mounting groove passes through the installation axle and articulates with the one end of hack lever, the other end of hack lever is equipped with anti-skidding tip and stable 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 expansion structure.
In a preferred scheme, the expansion structure comprises a film bag made of steel wire mesh and carbon fiber, and cement, an expanding agent, steel wires, an early strength agent, an accelerating agent and water are filled in the film bag.
In the preferred scheme, the pipe body is made of heat insulation materials.
The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology and the use method thereof have the following beneficial effects that by adopting the structure:
(1) The problem that the existing device cannot efficiently treat water burst of an irregular tunnel and has higher risk is solved, the pipe can be connected to guide water burst, uncontrollable water flow is changed into controllable and guide water flow, and when the water flow in the engineering practice is large, the guide water blocking can reduce the water flow;
(2) The water pumping diversion and the expansion agent mixture positioning plugging can be carried out at a plurality of positions 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 a cooling material, and then the water flow is blocked by using the expanding agent mixture in the membrane bag, so that the water burst problem is effectively solved, and the 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 diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
Fig. 3 is a schematic view of the structure of the housing of the present invention.
Fig. 4 is a schematic diagram illustrating the cooling structure and the tube body of the present invention.
Fig. 5 is a schematic diagram of a cooling structure according to the present invention.
Fig. 6 is a schematic view of a reinforcing structure according to the present invention.
Fig. 7 is a schematic view of a reinforcing structure according to the present invention.
In the figure: the device 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 support ring pipe unit 8, a gap 9, a fixed 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 bone rack rod 19, a matching net 20, an anti-slip tip 21, a stabilizing hook 22, an expansion structure 23, stabilizing threads 24 and a right-angle support position 25.
Detailed Description
Embodiment one:
as shown in fig. 1-7, a tunnel water-bursting expansion plugging structure based on a 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, 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 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 connectors 13, and one connecting pipe 11 is provided with a pump body structure 14.
In the preferred scheme, the cooling pipe 12 is of a double-head spiral structure, and the cooling pipe 12 is connected with the pipe body 2 through a fixed block 10 arranged on the outer wall of the pipe body 2.
In a preferred embodiment, the stabilizer tube 4 is provided with a stabilizer thread 24.
In a preferred embodiment, 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, the reinforced structure 6 include with shell structure 1 complex collar 15, collar 15 passes through installation pole 16 and shell structure 1 fixed connection, is equipped with a plurality of mounting grooves 17 around collar 15 center evenly distributed on the collar 15, the mounting groove 17 passes through installation axle 18 and the one end of skeleton pole 19 is articulated, the other end of skeleton pole 19 is equipped with anti-skidding pointed end 21 and stable the collude 22, is equipped with cooperation net 20 between the adjacent skeleton pole 19, the one side that cooperation net 20 is close to shell structure 1 is equipped with expansion structure 23.
In a preferred embodiment, the expansion structure 23 comprises a film bag made of steel wire mesh and carbon fiber, and the film bag is filled with cement, an expanding agent, steel wires, an early strength agent, an accelerating agent and water.
In a preferred embodiment, the tube body 2 is made of a heat insulation material.
Embodiment two:
as shown in fig. 1-7, the use method of the invention is as follows:
1. according to the use requirement, the pipe body 2 and the shell structure 1 are assembled, the number of the supporting ring pipe units 8 in the shell structure 1 is adjusted according to the requirement, then a proper number of reinforcing structures 6 are selected and added on the shell structure 1, and then the structure is pushed into the tunnel water-inrush position through an air compressor;
2. the cooling structure is opened, the pump body structure 14 is used for working, cooling materials in the box body 5 are pumped into the cooling pipe 12 wound on the pipe body 2 through the connecting pipe 11, the cooling materials circulate back into the box body 5 through the other end of the cooling pipe 12, and the double-head spiral structure of the cooling pipe 12 can be matched with the cooling materials to uniformly and stably reduce the temperature and freeze partial accumulated water in the hole;
3. the expansion structure 23 in the reinforcement structure 6 realizes the timing expansion by adjusting the proportion of the early strength agent and the accelerator, the early strength agent and the accelerator are all used for accelerating the hydration hardening of cement, and enough strength is formed in the required time range, the expansion support pushes the umbrella-shaped distributed skeleton rods 19 in the reinforcement structure 6 to open, and the reinforcement support is realized under the cooperation of the anti-slip sharp head 21 and the stabilizing hook 22;
4. the expansion structure 23 is closely matched with the expansion of water, 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 burst of an irregular tunnel and has higher risk is solved, the pipe can be connected to guide water burst, uncontrollable water flow is changed into controllable and guide water flow, and when the water flow in the engineering practice is large, the guide water blocking can reduce the water flow; the water pumping diversion and the expansion agent mixture positioning plugging can be carried out at a plurality of positions 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 a cooling material, and then the water flow is blocked by using the expanding agent mixture in the membrane bag, so that the water burst problem is effectively solved, and the safety guarantee is provided for engineering practice.

Claims (4)

1. Tunnel water-bursting expansion plugging structure based on water conservancy diversion concretion technique, including body (2), its characterized in that: the pipe body (2) is provided with a shell structure (1), one end of the pipe body (2) is provided with a stabilizing pipe (4), the other end of the pipe body (2) is provided with a suction device (3), a cooling structure is arranged between the shell structure (1) and the pipe body (2), and the shell structure (1) is provided with a plurality of reinforcing structures (6);
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 adjacent supporting ring pipe units (8);
the cooling structure comprises a box body (5), wherein 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 connectors (13), and one connecting pipe (11) is provided with a pump body structure (14);
the reinforcing structure (6) comprises a mounting ring (15) matched with the shell structure (1), the mounting ring (15) is fixedly connected with the shell structure (1) through a mounting rod (16), a plurality of mounting grooves (17) uniformly distributed around the center of the mounting ring (15) are formed in the mounting ring (15), the mounting grooves (17) are hinged with one end of a skeleton rod (19) through a mounting shaft (18), an anti-slip tip (21) and a stabilizing hook (22) are arranged at the other end of the skeleton rod (19), a matching net (20) is arranged between adjacent skeleton rods (19), and an expansion structure (23) is arranged on one side, close to the shell structure (1), of the matching net (20);
the cooling pipe (12) is of a double-head spiral structure, and the cooling pipe (12) is connected with the pipe body (2) through a fixed block (10) arranged on the outer wall of the pipe body (2);
the right-angle support positions (25) are arranged on the support ring pipe units (8), and the right-angle support positions (25) between adjacent support ring pipe units (8) are matched with each other;
the expansion structure (23) comprises a film bag made of steel wire mesh and carbon fiber, and cement, an expanding agent, steel wires, an early strength agent, an accelerating agent and water are filled in the film bag.
2. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology according to claim 1, wherein the structure is characterized in that: the stabilizing tube (4) is provided with stabilizing threads (24).
3. The tunnel water-bursting expansion plugging structure based on the diversion consolidation technology according to claim 1, wherein the structure is characterized in that: the pipe body (2) is made of a heat insulation material.
4. The method for using the tunnel water-bursting expansion plugging structure based on the flow-guiding consolidation technology according to any one of claims 1 to 3, which is characterized by comprising the following steps:
firstly, according to the use requirement, a pipe body (2) and a shell structure (1) are assembled, the number of supporting ring pipe units (8) in the shell structure (1) is adjusted according to the requirement, then a proper number of reinforcing structures (6) are selected and additionally arranged on the shell structure (1), and then the tunnel water-bursting expansion plugging structure is pushed into the tunnel water-bursting position through an air compressor;
secondly), the cooling structure is opened, cooling materials in the box body (5) are pumped into a cooling pipe (12) wound on the pipe body (2) through a connecting pipe (11) and circulated back into the box body (5) through the other end of the cooling pipe (12), and 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 freeze part of accumulated water in a hole;
thirdly), the expansion structure (23) in the reinforcing structure (6) realizes the timing expansion by adjusting the proportion of the early strength agent and the accelerator, the early strength agent and the accelerator are all used for accelerating the hydration hardening of cement, enough strength is formed in a required time range, the expansion support pushes the umbrella-shaped distributed skeleton rods (19) in the reinforcing structure (6) to open, and the support is reinforced under the cooperation of the anti-slip sharp head (21) and the stabilizing hook (22);
fourth), the expansion structure (23) is closely matched with water expansion, and after water burst is blocked and no water flows out, the cooling structure and the suction device (3) are closed.
CN202011632535.2A 2020-12-31 2020-12-31 Tunnel water-inrush expansion plugging structure based on diversion consolidation technology and use method thereof Active CN112593983B (en)

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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
CN110107353B (en) * 2019-04-22 2020-10-27 太原理工大学 Water inrush emergency water plugging method and water plugging device thereof
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

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Application publication date: 20210402

Assignee: Hubei Hongzhuo Architectural Design Co.,Ltd.

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Contract record no.: X2023980043461

Denomination of invention: Tunnel Water Burst Expansion Sealing Structure and Its Application Method Based on Diversion and Consolidation Technology

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