CN114060054A - Tunnel water inrush and mud inrush plugging device and method - Google Patents
Tunnel water inrush and mud inrush plugging device and method Download PDFInfo
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- CN114060054A CN114060054A CN202210037504.5A CN202210037504A CN114060054A CN 114060054 A CN114060054 A CN 114060054A CN 202210037504 A CN202210037504 A CN 202210037504A CN 114060054 A CN114060054 A CN 114060054A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000011440 grout Substances 0.000 claims abstract description 67
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009172 bursting Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- 230000001052 transient effect Effects 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
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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
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- 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
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention belongs to the technical field of tunnels, and particularly relates to a tunnel water inrush and mud inrush plugging device and method. This tunnel gushes water and gushes mud plugging device includes: a clamping mechanism; the supporting plate is arranged on the clamping mechanism and is provided with a water leakage hole; the rubber grout stopping ring and the clamping mechanism are respectively and fixedly arranged on two sides of the supporting plate, and the rubber grout stopping ring and the supporting plate enclose a plugging space for plugging a water-bursting and mud-bursting port; the composite geomembrane filter cloth is laid on the surface of the supporting plate and used for filtering silt. Therefore, the invention can rapidly seal the water and mud outburst port and reduce the possibility of disaster occurrence. In addition, the invention has the advantages of simple structure, convenient installation, quick implementation and the like.
Description
Technical Field
The invention belongs to the technical field of tunnels, and particularly relates to a tunnel water inrush and mud inrush plugging device and method.
Background
In geotechnical engineering construction, various water-related problems are often encountered, wherein water-bursting and mud-bursting disasters encountered in tunnel construction are very serious accidents. The difficult prevention of tunnel gushing water mud suddenly, because the geological conditions in excavation face the place ahead is concealed, the exploration of construction earlier stage all is on the mountain directly over the tunnel, and detailed reconnaissance task is difficult to accomplish, and the geological data of gathering can't accurately predict the position that bad geology was located. The tunnel excavation generally requires advanced geological forecast, and the adopted technologies include a geological radar method, a seismic wave method, a transient electromagnetic method, a horizontal drilling method and the like, but are influenced by factors such as a working face, ambient environment interference, experience of technicians and the like, and the conventional geophysical prospecting technology is difficult to detect the front abnormal geological conditions without loss. When water and mud bursting disasters occur, equipment loss, personnel safety threat, construction period delay and other adverse effects are easily caused. The water-bursting mud-bursting is that mud-water mixture extrudes and expands cracks of a rock body under high-strength pressure, and when an excavation face is close to unfavorable geology abnormity, the middle rock body is difficult to support the pressure of mud-water, so that the mud-water is sprayed out from the weak part of the excavation face.
Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.
Disclosure of Invention
The invention aims to provide a tunnel water burst and mud burst plugging device which can plug a water burst and mud burst port and reduce the possibility of disaster occurrence; meanwhile, the invention also provides a tunnel water inrush and mud inrush blocking method using the device.
In order to achieve the above purpose, the invention provides the following technical scheme:
a tunnel water inrush and mud inrush plugging device comprises:
a clamping mechanism;
the supporting plate is arranged on the clamping mechanism, and water leakage holes are formed in the supporting plate;
the rubber grout stopping ring and the clamping mechanism are respectively and fixedly arranged on two sides of the supporting plate, and the rubber grout stopping ring and the supporting plate enclose a plugging space for plugging a water-bursting and mud-bursting port;
and the composite geomembrane filter cloth is laid on the surface of the supporting plate and is used for filtering silt.
Preferably, the clamping mechanism comprises one or more groups of clamping arms, the clamping arms are arranged at intervals, bolt holes are formed in the clamping arms of each group, and extrusion bolts are installed in the bolt holes to tightly assemble the clamping arms on the excavating equipment.
Preferably, the rubber grout stopping ring is fixedly connected with the support plate through a first bolt, the rubber grout stopping ring and the support plate are correspondingly provided with mounting holes, and the first bolt is mounted in the mounting holes.
Preferably, the installation holes are uniformly distributed along the circumferential direction of the rubber grout stop ring.
Preferably, the water leakage holes are plum blossom holes, and the plurality of plum blossom holes are uniformly distributed on the supporting plate.
The tunnel water inrush and mud inrush plugging device preferably further comprises a pressure sensor and a reading meter;
the pressure sensor is arranged in the plugging space and used for monitoring the pressure of muddy water in the plugging space and transmitting pressure data to the reading instrument through a data line;
and the reading instrument is used for displaying the reading value of the pressure data.
A method for plugging water inrush and mud inrush of a tunnel adopts the device for plugging water inrush and mud inrush of the tunnel, and comprises the following steps:
step S1, aligning the rubber grout stop ring with the water and mud outburst port, and pressing the rubber grout stop ring tightly to enable the rubber grout stop ring to be attached to the inner wall of the tunnel, so that the water and mud outburst port is wrapped in a plugging space formed by the rubber grout stop ring and the supporting plate;
and step S2, continuously plugging for a period of time, wherein mud and water in the plugged space are filtered by the composite geomembrane filter cloth, silt is left in the plugged space, water is discharged through the water leakage holes in the supporting plate, and the pressure in the plugged space is reduced.
In the method for plugging water inrush mud from a tunnel as described above, it is preferable that before step S1, the clamp arm of the device is fixedly mounted to the excavating equipment by the pressing bolt, and the rubber grommet is moved to the position of the water inrush mud port by the excavating equipment.
In the method for blocking water inrush and mud inrush in a tunnel as described above, preferably, the method further includes: and step S3, monitoring the pressure of the muddy water in the plugging space by using a pressure sensor, transmitting the pressure data to a reading instrument through a data line, and monitoring the reading value of the reading instrument so as to judge the condition of water burst and mud burst.
In the method for blocking water inrush and mud inrush in a tunnel as described above, preferably, the method further includes: and step S4, if the reading value of the reading instrument continuously rises, arranging a drain hole at a position far away from the water-bursting and mud-bursting port in the tunnel so as to reduce the pressure of mud water in the plugging space.
Has the advantages that:
the periphery of the water and mud outburst port is sealed by using the contractibility of rubber, and the water and mud outburst port is wrapped in a sealing space formed by the rubber grout stop ring and the supporting plate; under the filtering action of the composite geomembrane filter cloth, silt in muddy water is reserved in the plugging space, and water in the muddy water is discharged to the outside of the plugging space through the water leakage holes, so that the internal pressure of the plugging space can be reduced, and the plugging can be realized after the silt is accumulated to a certain degree. Therefore, the invention can rapidly seal the water and mud outburst port and reduce the possibility of disaster occurrence. In addition, the invention has the advantages of simple structure, convenient installation, quick implementation and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
FIG. 1 is a schematic structural diagram of a tunnel water-inrush and mud-inrush plugging device according to the present invention;
the names corresponding to the reference numbers in the figures are: 1-rubber grout stopping ring; 2-composite geomembrane filter cloth; 3-a pressure sensor; 4-a clamping arm; 5-a first bolt; 6-a data line; 7-extruding the bolt; 8-a reading instrument; 9-a support plate; 10-water leakage hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The embodiment of the tunnel water-inrush and mud-inrush plugging device comprises the following components:
as shown in fig. 1, the tunnel water inrush and mud inrush plugging device comprises a clamping mechanism, a support plate 9, a rubber grout ring 1 and a composite geomembrane filter cloth 2. The clamping mechanism and the rubber grout stopping ring are respectively arranged on two side surfaces of the supporting plate 9.
Wherein, the supporting plate 9 is arranged on the clamping mechanism, and the supporting plate 9 is provided with a water leakage hole 10 which penetrates through along the thickness direction of the supporting plate 9.
The rubber grout stop ring 1 and the supporting plate 9 enclose a plugging space for plugging a water-bursting and mud-bursting port. The rubber grout stop ring and the clamping mechanism are respectively and fixedly arranged at two sides of the supporting plate 9. Specifically, the bottom of the rubber grout stop ring 1 is fixedly connected with the supporting plate 9.
And the composite geomembrane filter cloth 2 is laid on the surface of the supporting plate 9 and is used for filtering silt.
The working principle of the device is as follows: when using, with the grout stopping ring of rubber 1 alignment gushing out water mud gushing mouth, utilize the shrink nature of rubber, make the grout stopping ring of rubber 1 and the cooperation of laminating of tunnel inner wall pressure, silt is enclosed and is blocked up inside backup pad 9 and the synthetic shutoff space of grout stopping ring of rubber 1 enclosure. The muddy water in the plugging space is filtered by the composite geomembrane filter cloth 2, the muddy water is divided into silt and water, the silt is remained in the plugging space, and the water is discharged to the outside of the plugging space through the water leakage holes 10. After a period of time, the pressure in the plugging space is reduced, and the water and mud bursting port can be plugged by the accumulated mud and sand.
Further, the support plate 9 is square or rectangular. In one embodiment, the rubber grout ring 1 is made of soft rubber, and has a height of 20-40 cm and a thickness of 3-8 cm. In a preferred embodiment of the present invention, the rubber grommet 1 has a height of 30cm and a thickness of 5 cm. The height and thickness may be any combination within a range of values in other embodiments of the invention.
In one embodiment of the present invention, the rubber grommets 1 are one (as shown in FIG. 1).
In other embodiments of the present invention, the number of the rubber grout ring 1 may be multiple, for example, 2, 3 or 4.
In an embodiment of the present invention, the diameters of the rubber grout stopping rings 1 are different, and the rubber grout stopping rings 1 are concentrically sleeved. An additional rubber grout stopping ring 1 can be sleeved outside the rubber grout stopping ring 1 shown in fig. 1, and the additional rubber grout stopping ring 1 can also be sleeved inside the rubber grout stopping ring 1 shown in fig. 1. By arranging the plurality of rubber rings, the multi-sealing effect is achieved, muddy water can be further prevented from leaking outwards, and the plugging effect can be improved; when the water and mud bursting port is enlarged, the use requirement can be met.
In an embodiment of the invention, the diameters of the rubber grout stopping rings 1 are the same, and the rubber grout stopping rings 1 are coaxially stacked, so that the capacity of a plugging space can be increased, the plugging time can be prolonged, and the plugging success rate can be increased.
In one embodiment of the invention, the composite geomembrane filter cloth 2 completely covers the surface of the support plate 9, and the composite geomembrane filter cloth 2 is positioned between the support plate 9 and the rubber grout ring 1. In one embodiment of the present invention, the length of the composite geomembrane filter cloth 2 may be less than the length of the support plate 9, may be greater than the length of the support plate 9, and may be equal to the length of the support plate 9.
In one embodiment of the invention, the length of the composite geomembrane filter cloth 2 is greater than the outer diameter of the rubber grout stop ring 1 positioned at the outermost side. In one embodiment of the present invention, the composite geomembrane filter cloth 2 has a plurality of layers to increase the filtering effect of the sand and the sand, thereby saving the plugging time, and preferably, the composite geomembrane filter cloth 2 has two layers (not shown).
In one embodiment of the invention, the shape of the composite geomembrane filter cloth 2 is matched with the shape of an inner ring of the rubber grout stop ring 1, and the composite geomembrane filter cloth 2 is positioned inside the rubber grout stop ring 1.
In one embodiment of the invention, as shown in fig. 1, the composite geomembrane filter cloth 2 is paved on the surface of the supporting plate 9 close to one side of the rubber grout ring 1. In one embodiment of the invention, the surface of the supporting plate close to the rubber grout stop ring 1 and the surface of the supporting plate close to the clamping mechanism are both provided with the composite geomembrane filter cloth 2, so that the multiple filtering effect can be achieved, and the composite geomembrane filter cloth 2 and the supporting plate 9 can be connected through waterproof glue.
In one embodiment of the invention, one side of the supporting plate close to the rubber grout stop ring 1 is provided with a composite geomembrane filter cloth 2 close to the rubber grout stop ring
The other side is provided with a metal filter screen.
In one embodiment of the present invention, a circular filter screen is fixedly arranged inside the rubber grout stopping ring 1 for filtering large-particle silt, and the circular filter screen is arranged at the top or the middle of the rubber grout stopping ring 1 in the height direction. In one embodiment of the present invention, a plurality of layers of circular filter screens, such as 2 layers, 3 layers or 4 layers, are fixed inside the rubber grout stopping ring 1, the plurality of layers of circular filter screens are uniform along the height direction of the rubber grout stopping ring 1, and the pore diameters of the plurality of layers of circular filter screens decrease layer by layer along the direction from the top to the bottom.
In one embodiment of the invention, the clamping mechanism comprises a group of clamping arms 4, the group of clamping arms 4 are arranged at intervals, and the group of clamping arms 4 and the supporting plate 9 form an inverted U-shaped structure. The support plate 9 is integrated with the clamp arm 4 and is made of a thick steel plate with a thickness not less than 5mm (for example, 5.5mm, 6mm, 6.5mm, 7mm, 7.3mm, 8mm, 8.5mm, etc.). Be equipped with the bolt hole on this group's centre gripping arm, install extrusion bolt 7 in the bolt hole, the extrusion bolt 7 on every group centre gripping arm 4 sets up in opposite directions to compress tightly centre gripping arm 4 and assemble on excavating equipment, specifically do, centre gripping arm 4 and backhoe excavator scraper bowl press fit.
The number of bolt holes per clamping arm 4 may be 1, or a plurality of bolt holes, for example 2, 3, 4, 5, 6, 7 or 8 bolt holes. A plurality of bolt holes are uniformly distributed along the height direction of the clamping arm.
In one embodiment of the present invention, the clamping mechanism includes a plurality of groups of clamping arms 4, such as 2 groups, 3 groups or 4 groups, each group of clamping arms 4 is arranged at intervals, each group of clamping arms 4 is provided with a bolt hole, and an extrusion bolt 7 is installed in the bolt hole to press and assemble the clamping arms on the excavating equipment. Sets of clamping arms are distributed circumferentially of the support plate 9 for press-fitting engagement with the excavating equipment in a plurality of directions. The spacing between each set of gripping arms 4 is dependent on the excavating equipment used in the tunnel.
In one embodiment of the invention, the opposite inner sides of each set of clamping arms are provided with wear resistant layers to increase the service life of the clamping arms, and the wear resistant layers are arranged on the surfaces of the clamping arms through surfacing welding or laser cladding or electroplating or thermal spraying.
In one embodiment of the invention, the opposite inner sides of each group of the clamping arms are provided with sawtooth structures to increase the surface roughness and improve the clamping fastness.
In other embodiments, the support plate 9 and the clamping arm 4 may be separate structures, and they may be fixedly connected by welding or may be fixedly connected by bolts.
In the present embodiment, the rubber grommet 1 and the support plate 9 are fixedly connected by the first bolt 5. The supporting plate 9, the composite geomembrane filter cloth 2 and the rubber grout stop ring 1 are correspondingly provided with mounting holes extending up and down, and first bolts 5 are arranged in the mounting holes. The mounting hole has a plurality ofly, and a plurality of mounting holes are along the circumference equipartition of rubber grout stop ring 1. The distance between the adjacent mounting holes is 5-15 cm. In a preferred embodiment of the invention, the spacing between adjacent mounting holes is 10 cm. The spacing between adjacent mounting holes in other embodiments of the present invention may be any value within its range of values.
Furthermore, in order to avoid improving the sealing performance of the joint of the rubber grout stop ring 1 and the support plate 9, waterproof sealant can be coated at the joint.
In other embodiments of the present invention, when the composite geomembrane filter cloth 2 is positioned inside the rubber grout ring 1, the rubber grout ring 1 and the support plate 9 may be fixedly connected only by waterproof sealant.
Furthermore, in order to improve the connection firmness of the rubber grout stopping ring 1 and the supporting plate 9, a plurality of supporting rods (for example, 2, 3, 4, 5, 6, 7 or 8) are uniformly distributed on the outer side of the rubber grout stopping ring 1 along the circumferential direction of the rubber grout stopping ring, the supporting rods are obliquely arranged, one end of each supporting rod is fixedly connected with the outer circumferential surface of the rubber grout stopping ring 1, and the other end of each supporting rod is fixedly connected with the supporting plate 9.
In one embodiment of the present invention, the water leakage holes 10 are a plurality of quincunx holes, the plurality of quincunx holes are uniformly distributed on the supporting plate 9, the interval between adjacent quincunx holes is 40-60mm, and the aperture of the quincunx holes is 8-12 mm. In a preferred embodiment of the invention, the distance between adjacent quincunx holes is 50mm, and the diameter of the quincunx holes is 10 mm. In other embodiments of the invention the hole spacing and hole diameter may be any combination within a range of values.
In other embodiments of the present invention, the water leakage hole 10 may also be a circular hole or a tapered hole. In some embodiments of the present invention, the water leakage holes 10 may also be inclined holes or straight holes.
Further, in order to monitor the condition of the water and mud bursting port in a safe area, the tunnel water and mud bursting plugging device further comprises a pressure sensor 3 and a reading instrument 8. And the pressure sensor 3 is arranged in the plugging space and used for monitoring the pressure of muddy water in the plugging space and transmitting the pressure data to the reading instrument 8 through the data line 6. And the reading instrument 8 is far away from the water and mud inrush opening, is positioned in a safe area, is used for reading pressure data and displaying a reading value, and can judge whether the water and mud inrush is stable or not through the rising or falling of the reading value. In one embodiment of the invention, one of the pressure sensors 3 is located in the center of the support plate 9.
In other embodiments of the invention, there are a plurality of pressure sensors 3, for example 2, 3, 4, 5, 6, 7 or 8. In one embodiment of the invention, a plurality of pressure sensors are distributed uniformly on the support plate 9. In one embodiment of the invention, a plurality of pressure sensors are arranged on the inner wall of the rubber grout stop ring 1 and are uniformly distributed along the circumferential direction of the rubber grout stop ring 1. The pressure at different positions is monitored, and more accurate pressure data is obtained.
The embodiment of the tunnel water inrush and mud inrush blocking method comprises the following steps:
example 1
A tunnel water inrush and mud inrush plugging method adopts the tunnel water inrush and mud inrush plugging device and comprises the following steps:
step S1, aligning the rubber grout stop ring 1 with the water and mud outburst port, and pressing the rubber grout stop ring 1 tightly to enable the rubber grout stop ring 1 to be attached to the inner wall of the tunnel so as to wrap the water and mud outburst port in a plugging space formed by enclosing the rubber grout stop ring 1 and the supporting plate 9;
and step S2, continuously plugging for a period of time, separating muddy water in the plugged space into silt and water after being filtered by the composite geomembrane filter cloth 2, wherein the silt is remained in the plugged space, the water is discharged through the water leakage holes 10 on the supporting plate 9, and the pressure in the plugged space is reduced.
Example 2
The only difference from example 1 is that: before step S1, the clamp arm 4 of the tunnel water-inrush mud blocking device is fixedly attached to the backhoe bucket by the squeeze bolt 7, and the rubber grommet 1 is moved to the water-inrush mud port position by the backhoe bucket.
Example 3
The only difference from example 1 is that: the tunnel water inrush and mud inrush blocking method further comprises the following steps: and step S3, monitoring the pressure of the muddy water in the plugging space by using the pressure sensor 3, transmitting the pressure data to the reading instrument 8 through the data line 6, monitoring the reading value of the reading instrument 8, and judging the condition of water burst and mud burst. If the reading value is increased, the water-bursting and mud-bursting situation is unstable, and the trend of larger risk expansion is realized, and if the reading value is stable, the water-bursting and mud-bursting situation is not developed any more.
When the reading value of the reading instrument 8 is zero, the tunnel water inrush and mud outburst plugging device can be removed, and then subsequent disaster disposal is carried out.
Example 4
The only difference from example 3 is that: the tunnel water inrush and mud inrush blocking method further comprises the following steps: and step S4, if the reading value of the reading instrument 8 continuously rises, at the moment, a drainage hole with a smaller diameter is arranged at a position far away from the water and mud bursting port in the tunnel, so that mud and water in front of the tunnel face are drained out in a controlled manner.
After the drainage hole is drained outwards for a period of time, if the reading of the reading instrument 8 is reduced, the drainage hole plays a role in reducing the pressure inside the plugging space.
And then, when the reading value of the reading instrument 8 is zero, the tunnel water inrush and mud outburst plugging device can be removed, and then subsequent disaster disposal is carried out.
It should be understood that the above description is only exemplary, and the embodiments of the present application do not limit the present invention.
The above description is only exemplary of the invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the invention is intended to be covered by the appended claims.
Claims (10)
1. The utility model provides a tunnel gushing water gushes mud plugging device which characterized in that includes:
a clamping mechanism;
the supporting plate is arranged on the clamping mechanism, and water leakage holes are formed in the supporting plate;
the rubber grout stopping ring and the clamping mechanism are respectively and fixedly arranged on two sides of the supporting plate, and the rubber grout stopping ring and the supporting plate enclose a plugging space for plugging a water-bursting and mud-bursting port;
and the composite geomembrane filter cloth is laid on the surface of the supporting plate and is used for filtering silt.
2. The device for plugging water inrush and mud inrush in a tunnel according to claim 1, wherein the clamping mechanism comprises one or more sets of clamping arms, each set of clamping arms is arranged at intervals, each set of clamping arms is provided with a bolt hole, and an extrusion bolt is installed in the bolt hole to press and assemble the clamping arms on the excavating equipment.
3. The tunnel water inrush mud plugging device as claimed in claim 1, wherein the rubber grout stopping ring is fixedly connected with the support plate through a first bolt, the rubber grout stopping ring and the support plate are correspondingly provided with mounting holes, and the first bolt is mounted in the mounting holes.
4. The tunnel water inrush mud plugging device as claimed in claim 3, wherein the mounting holes are distributed uniformly in the circumferential direction of the rubber grout stop ring.
5. The tunnel water inrush mud plugging device as claimed in claim 1, wherein the water leakage holes are a plurality of quincunx holes, and the plurality of quincunx holes are uniformly distributed on the support plate.
6. The tunnel water inrush plugging device of any one of claims 1 to 5, further comprising a pressure sensor and a reading meter;
the pressure sensor is arranged in the plugging space and used for monitoring the pressure of muddy water in the plugging space and transmitting pressure data to the reading instrument through a data line;
and the reading instrument is used for displaying the reading value of the pressure data.
7. A method for blocking water inrush mud from a tunnel, which is characterized by using the device for blocking water inrush mud from a tunnel according to any one of claims 1 to 6, and comprises the following steps:
step S1, aligning the rubber grout stop ring with the water and mud outburst port, and pressing the rubber grout stop ring tightly to enable the rubber grout stop ring to be attached to the inner wall of the tunnel, so that the water and mud outburst port is wrapped in a plugging space formed by the rubber grout stop ring and the supporting plate;
and step S2, continuously plugging for a period of time, wherein mud and water in the plugged space are filtered by the composite geomembrane filter cloth, silt is left in the plugged space, water is discharged through the water leakage holes in the supporting plate, and the pressure in the plugged space is reduced.
8. The method according to claim 7, wherein before the step S1, the clamp arm of the tunnel water-inrush mud plugging device is fixedly mounted on an excavating device through a pressing bolt, and the rubber grommet is moved to the position of the water inrush mud port by the excavating device.
9. The method of claim 7, further comprising: and step S3, monitoring the pressure of the muddy water in the plugging space by using a pressure sensor, transmitting the pressure data to a reading instrument through a data line, and monitoring the reading value of the reading instrument so as to judge the condition of water burst and mud burst.
10. The method of claim 9, further comprising: and step S4, if the reading value of the reading instrument continuously rises, arranging a drain hole at a position far away from the water-bursting and mud-bursting port in the tunnel so as to reduce the pressure of mud water in the plugging space.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037504.5A CN114060054B (en) | 2022-01-13 | 2022-01-13 | Tunnel water inrush and mud inrush plugging method |
| PCT/CN2022/115767 WO2023284896A1 (en) | 2022-01-13 | 2022-08-30 | Tunnel water and mud inrush sealing method |
| LU503555A LU503555B1 (en) | 2022-01-13 | 2022-08-30 | Method for plugging water inrush and mud outburst in tunnels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210037504.5A CN114060054B (en) | 2022-01-13 | 2022-01-13 | Tunnel water inrush and mud inrush plugging method |
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| CN114060054A true CN114060054A (en) | 2022-02-18 |
| CN114060054B CN114060054B (en) | 2022-04-08 |
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| Country | Link |
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| CN (1) | CN114060054B (en) |
| LU (1) | LU503555B1 (en) |
| WO (1) | WO2023284896A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023284896A1 (en) * | 2022-01-13 | 2023-01-19 | 中铁九局集团第四工程有限公司 | Tunnel water and mud inrush sealing method |
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| CN208379595U (en) * | 2018-05-16 | 2019-01-15 | 中交隧道工程局有限公司 | A kind of pressure release water blocking device of foundation pit water fathering |
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| CN210127874U (en) * | 2019-07-05 | 2020-03-06 | 牛闻捷 | Temporary water retaining device for rapidly processing water and mud gushing problem in tunnel |
| CN111810199A (en) * | 2020-08-31 | 2020-10-23 | 中铁十六局集团有限公司 | Tunnel water inrush disaster prevention treatment method |
| CN114060054B (en) * | 2022-01-13 | 2022-04-08 | 中铁九局集团第四工程有限公司 | Tunnel water inrush and mud inrush plugging method |
-
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- 2022-01-13 CN CN202210037504.5A patent/CN114060054B/en active Active
- 2022-08-30 LU LU503555A patent/LU503555B1/en active IP Right Grant
- 2022-08-30 WO PCT/CN2022/115767 patent/WO2023284896A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208379595U (en) * | 2018-05-16 | 2019-01-15 | 中交隧道工程局有限公司 | A kind of pressure release water blocking device of foundation pit water fathering |
| CN208749373U (en) * | 2018-06-28 | 2019-04-16 | 中铁二十五局集团第一工程有限公司 | A kind of Tunnel Gushing disposal plant |
| CN211849626U (en) * | 2019-12-31 | 2020-11-03 | 中交第三航务工程局有限公司江苏分公司 | Underwater bucket type foundation structure caulking device |
| CN214574074U (en) * | 2020-12-01 | 2021-11-02 | 中国建筑第八工程局有限公司 | Plugging structure of foundation pit leakage point |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023284896A1 (en) * | 2022-01-13 | 2023-01-19 | 中铁九局集团第四工程有限公司 | Tunnel water and mud inrush sealing method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023284896A1 (en) | 2023-01-19 |
| CN114060054B (en) | 2022-04-08 |
| LU503555B1 (en) | 2023-07-13 |
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