CN109723442B - Open coal mine aquifer reservoir waterproof control device - Google Patents
Open coal mine aquifer reservoir waterproof control device Download PDFInfo
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- CN109723442B CN109723442B CN201811565313.6A CN201811565313A CN109723442B CN 109723442 B CN109723442 B CN 109723442B CN 201811565313 A CN201811565313 A CN 201811565313A CN 109723442 B CN109723442 B CN 109723442B
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- 239000003245 coal Substances 0.000 title claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000007569 slipcasting Methods 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 9
- 239000003566 sealing material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims 7
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003487 anti-permeability effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention provides a waterproof control device for an aquifer reservoir of an opencast coal mine, which comprises a plurality of waterproof modules, wherein each waterproof module comprises a waterproof unit and a jack assembly. The water-resisting unit comprises an impermeable membrane, a fixed support plate and a pressurizing plate; the two fixing support plates are oppositely arranged on two sides of the anti-seepage film to clamp the anti-seepage film, a first edge and a second edge of the anti-seepage film are arranged on the outer sides of the fixing support plates, and the first edge and the second edge are two opposite edges; the two pressurizing plates are provided with accommodating grooves, the groove bottoms of the two accommodating grooves are arranged oppositely, and the edge of the first edge or the second edge of the impermeable membrane is positioned between the two groove bottoms; the jack assembly comprises two jacks which are oppositely arranged in the two accommodating grooves; the both ends of jack offset with the tank bottom inner wall of holding tank and the settlement position in the waterproof controlling means respectively. By adopting the scheme, the sealing performance of the splicing joints of the impermeable films can be ensured, and the splicing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of underground water protection, in particular to a waterproof control device for an aquifer reservoir of an opencast coal mine.
Background
At present, in the coal mining process, a curtain is adopted for water isolation in a coal mine or underground to protect water resources. The main problem of the existing curtain around the open pit is that the seepage-proofing performance cannot be guaranteed, the traditional waterproof curtain adopts modes such as cement grouting, when the water level outside the waterproof curtain is high and the water pressure is high, the water seepage phenomenon often occurs, and the seepage-proofing effect is poor; although the problem of poor anti-permeability effect can be solved by arranging the water-blocking film in the water-blocking film, the width of the water-blocking film can only reach five meters due to the limitation of the preparation process of the water-blocking film. However, the length of the curtain is generally more than two kilometers, hundreds of waterproof films are needed to be spliced to realize the curtain, the splicing process needs to be operated by professional personnel, manpower and material resources are consumed, the anti-seepage effect of the spliced part cannot be guaranteed, and the possibility of seepage exists.
Disclosure of Invention
The invention aims to solve the problem of poor seepage-proofing effect in the splicing process of underground water-stop films in the prior art, and further provides a waterproof control device for an aquifer reservoir of an opencast coal mine.
Therefore, the invention provides a water-proof control device for an aquifer reservoir of an opencast coal mine, which comprises a plurality of water-proof modules, wherein each water-proof module comprises a water-proof unit and a jack assembly, wherein:
the water-resisting unit comprises an impermeable membrane, a fixed support plate and a pressurizing plate; the anti-seepage membrane fixing device comprises two fixing support plates, wherein the two fixing support plates are oppositely arranged on two sides of an anti-seepage membrane to clamp the anti-seepage membrane, a first edge and a second edge of the anti-seepage membrane are arranged on the outer sides of the fixing support plates, and the first edge and the second edge are two opposite edges; the anti-seepage membrane comprises two pressure plates, wherein each pressure plate is provided with a containing groove, the groove bottoms of the two containing grooves are oppositely arranged, and the edge of the first edge or the second edge of the anti-seepage membrane is positioned between the two groove bottoms;
the jack assembly comprises two jacks, and the two jacks are oppositely arranged in the two accommodating grooves; the two ends of the jack are respectively abutted against the inner wall of the groove bottom of the accommodating groove and a set position in the waterproof control device.
Optionally, in the above device for controlling the water-tight of the aquifer reservoir of the opencast coal mine, the fixed support plate and the pressurizing plate which are positioned on the same side of the impermeable membrane are seamlessly spliced.
Optionally, in the above device for controlling water prevention of an aquifer reservoir of an opencast coal mine, the fixed support plate includes a plate frame and clamping plates disposed on two sides of the plate frame; connecting plates are formed on the edges of the two sides of the plate frame in the direction of the impermeable membrane, and the connecting plates are perpendicular to the plate frame; the clamping plate is fixedly connected with the connecting plate and arranged in parallel to the direction of the impermeable membrane; the connecting part of the connecting plate and the clamping plate is positioned in the middle of the clamping plate; the first edge and the second edge of the impermeable membrane are clamped by the clamping plates.
Optionally, in the above apparatus for controlling the water-tight of an aquifer reservoir in an opencast coal mine, an inner side surface of the splint is provided with a sealing material.
Optionally, in the above apparatus for controlling water prevention of an aquifer reservoir in a strip coal mine, the sealing material is plastic.
Optionally, in the above device for controlling water prevention of an aquifer reservoir of an opencast coal mine, the length of the fixed support plate is 4700 mm; a cavity of 200mm multiplied by 200mm is formed between the two opposite fixed supporting plates.
Optionally, in the above device for controlling water prevention of an aquifer reservoir of an opencast coal mine, the first edge and the second edge of the impermeable membrane are both 250mm long outside the fixed support plate;
the groove edge part width of the two sides of the containing groove opening of the pressurizing plate is 50mm, and the groove bottom width of the containing groove is 200 mm.
Optionally, in the above apparatus for controlling water cut in an aquifer reservoir of a opencast coal mine, the cavity is filled with slurry.
Optionally, in the above apparatus for controlling water prevention of an aquifer reservoir of an opencast coal mine, the jack includes a telescopic portion, a first sliding portion, and a second sliding portion; the first sliding part and the second sliding part are respectively fixed at two ends of the telescopic part; the first sliding part comprises a bottom plate and a first pulley block arranged on the outer side of the bottom plate; the second pulley part comprises a top plate and a second pulley block arranged on the outer side of the second top plate; the outer sides of the bottom plate and the top plate are the sides departing from the impermeable membrane.
Optionally, the above device for controlling the water-tight of the aquifer reservoir of the opencast coal mine further comprises a grouting pipe and a baffle:
the baffle is arranged between the jack and the cut bottom plate;
the telescopic part and the baffle are provided with through holes suitable for the grouting pipes to penetrate through;
the import and the thick liquid source of slip casting pipe are connected, the export of slip casting pipe passes in proper order the pars contractilis with the baffle stretches into the baffle with between the undercutting bottom plate.
Compared with the prior art, the technical scheme provided by the invention at least has the following beneficial effects:
the invention provides a waterproof control device for an aquifer reservoir of an opencast coal mine, which is characterized in that two impermeable membranes are clamped by a fixed support plate, two sides of each impermeable membrane can extend out of the fixed support plate, and the part of each impermeable membrane extending out of the fixed support plate is fixed by a jack and a pressurizing plate, namely when the two impermeable membranes are spliced, the first edge of one impermeable membrane and the second edge of the other impermeable membrane can be placed between the pressurizing plates and are compressed by the pressurizing plates, so that the two impermeable membranes are spliced in a sealing manner. By adopting the scheme, the sealing performance of the splicing joints of the impermeable membranes can be ensured, the operation is very simple and convenient, the requirement on operators is low, manpower and material resources are greatly saved, and the splicing efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a device for controlling the water-tightness of an aquifer reservoir of an opencast coal mine according to an embodiment of the invention;
FIG. 2 is a schematic cross-sectional view of the mating relationship of the jack and the compression plate according to one embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a compression plate according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structure view of a water-resisting unit according to another embodiment of the present invention;
FIG. 5 is a schematic front view of a splint according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view illustrating a grouting process using a jack according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described below by way of example with reference to the drawings in the present embodiment. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or assembly referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provides a opencut coal mine aquifer reservoir waterproof control device, including a plurality of waterproof modules, each waterproof module includes water proof unit and jack subassembly. As shown in fig. 1 and 2, the water-stop unit includes an impermeable membrane 101, a fixed support plate 102, and a pressurizing plate 103; the fixed support plates 102 comprise two fixed support plates 102, the two fixed support plates 102 are oppositely arranged on two sides of the impermeable membrane 101 to clamp the impermeable membrane 101, a first edge and a second edge of the impermeable membrane 101 are arranged on the outer side of the fixed support plates 102, and the first edge and the second edge are two opposite edges; referring to fig. 2, the pressurizing plates 103 comprise two pieces, each pressurizing plate 103 is provided with a receiving groove, the groove bottoms of the two receiving grooves are arranged oppositely, and the edge of the first edge or the second edge of the impermeable membrane 101 is located between the two groove bottoms; the jack assembly comprises two jacks 104, and the two jacks 104 are oppositely arranged in the two accommodating grooves; the two ends of the jack 104 respectively abut against the inner wall of the groove bottom of the accommodating groove and a set position in the waterproof control device.
The open coal mine aquifer reservoir waterproof control device in the embodiment finally needs to be arranged underground in a coal mine, in the setting process, an underholing can be formed underground at present, the waterproof control device is arranged inside the underholing, in order to guarantee the stability between the waterproof control device and the underholing groove wall, a wallboard can be arranged outside the waterproof control device, the wallboard is tightly attached to the underholing inner wall, and a jack in the waterproof control device can be directly abutted to the wallboard.
If the length of undercutting is several kilometers, and prevention of seepage membrane only can be prepared into 5 meters width, then need to prevent the seepage membrane and splice, can refer to figure 2 during the concatenation, prevent among the current prevention of seepage module that one side of seepage membrane and one side of preventing the seepage membrane in the adjacent prevention of seepage module are all exerted pressure by two forcing plates, jack one side offsets with the wallboard, the another side offsets with the holding tank bottom, two jacks all exert pressure to the holding tank bottom to guarantee that two forcing plates can press from both sides the splice of two prevention of seepage membranes, guarantee the leakproofness of splice.
In the above-mentioned scheme of this embodiment, the jack can be a pair of also can be many pairs, and many pairs of jack can set up in the holding tank side by side along the plunge cut degree of depth direction, for example when the plunge cut degree of depth is 10 meters, can set up four pairs of jacks on vertical direction, and the distance between the different jacks is about 2.5 meters.
As shown in fig. 3, a cross-sectional view of the pressing plate includes a receiving groove 301, a groove edge 303 of the receiving groove extends outward, and a groove bottom 302 is a plane, and may be formed by welding a plurality of steel plates. With reference to fig. 1, the groove edge 303 and the fixed support plate 102 are seamlessly spliced together, which may be implemented by welding.
In the above solution, the fixed supporting plate 102 may be a flat steel plate, or may be implemented by using the structure shown in fig. 4. The fixed supporting plate comprises a plate frame 401 and clamping plates 403 arranged on two sides of the plate frame; two side edges of the plate frame 401 are provided with connecting plates 402 towards the impermeable membrane 101, and the connecting plates 402 are perpendicular to the plate frame 401; the clamping plate 403 is fixedly connected with the connecting plate 402 and is arranged in parallel to the direction of the impermeable membrane 101; the connection position of the connecting plate 402 and the clamping plate 403 is positioned in the middle of the clamping plate 403; the first and second edges of the impermeable membrane 101 are held by the clamping plates 403. As shown, there is a gap between two oppositely disposed overtime bands 403 through which the impermeable membrane 101 can pass and be clamped by the clamping plates 403. As shown in fig. 5, which is a schematic front view of the plywood, the plywood includes a steel plate 41 and a sealing material 42 disposed inside the steel plate 41, and the sealing material 42 may be completely laid on the surface of the steel plate 41 or disposed only at the edge of the steel plate 41 as shown in the figure. Preferably, the sealing material 42 is plastic. The sealing performance can be further improved by the sealing material 42 being in contact with the impermeable film 101.
In the above solution, the dimensions of the various components may be chosen as: the length of the fixed support plate 102 is 4700 mm; a cavity of 200mm x 200mm is formed between the two opposite fixed support plates 102. The first edge and the second edge of the impermeable membrane 101 are both 250mm in length outside the fixed support plate 102; the groove on both sides of the opening of the holding tank of the pressurizing plate 103 is 50mm along the width of the 303 part, the width of the groove bottom 302 of the holding tank is 200mm, and the depth of the groove of the holding tank is 90mm, so that when the two holding tanks are oppositely arranged, the gap between the groove bottoms of the two holding tanks is about 20mm, and two layers of anti-seepage films can be exactly held (the thickness of the anti-seepage films is 10 mm). In addition, the structure has small reserved margin space for the impermeable membrane, and can ensure that the outer region of the impermeable membrane cannot twist or wrinkle. Therefore, the portion of the permeation prevention film 101 extending outside the fixed support plate 102 can extend just to the bottom of the receiving groove 301, that is, the edge of the permeation prevention film on the left side of the receiving groove 301 can extend to the right edge of the bottom of the receiving groove 301, and the permeation prevention film on the right side of the receiving groove 301 can extend to the left edge of the bottom of the receiving groove 301. The edges of the left and right impermeable membranes can be pressed by the pressing plate 103, and the sealing performance is ensured.
In addition, the cavity in the structure is filled with slurry, because the device is finally used in a waterproof curtain wall, the waterproof curtain wall is generally formed by injecting slurry such as cement, and therefore, the slurry is also injected into the cavity in the structure, and the anti-seepage film is positioned in the slurry, so that the anti-seepage capability of the curtain wall can be further improved. Therefore, the curtain wall with the anti-seepage film has the following effects that the curtain wall with the anti-seepage film can use less slurry compared with the common curtain wall in the prior art according to the same anti-seepage performance requirement, and the thickness of the curtain wall is greatly reduced, so that the slurry using amount is saved.
Example 2
In the waterproof control device for the aquifer reservoir of the opencast coal mine provided by the embodiment, as shown in fig. 6, the jack includes a telescopic part 601, a first sliding part and a second sliding part; the first sliding part and the second sliding part are respectively fixed at two ends of the telescopic part 601; the first sliding part comprises a bottom plate 604 and a first pulley block 605 arranged on the outer side of the bottom plate 604; the second pulley part comprises a top plate 602 and a second pulley block 603 arranged on the outer side of the second top plate 602; the outer side of the bottom plate 604 and the outer side of the top plate 602 are the sides facing away from the impermeable membrane 101. With reference to fig. 1 and 2, the first pulley block 605 of the present solution is directly contacted with the wall plate disposed on the inner wall of the undercut, and the second pulley block 603 is contacted with the bottom 302 of the receiving groove. The device can further comprise a grouting pipe 607 and a baffle 606, wherein the baffle 606 is arranged between the jack and the undercut bottom plate 100; through holes suitable for the grouting pipes 607 to penetrate through are formed in the expansion part 601 and the baffle 606; the inlet of slip casting pipe 607 is connected with the thick liquid source, the export of slip casting pipe 607 passes in proper order telescopic part 601 with the baffle 606 stretches into between the baffle with the plunge cut bottom plate 100. In this scheme, all there is the pulley on the both ends of jack, and the rotatory coefficient of friction of pulley can be adjusted, when can guaranteeing the slip casting pipe 607 slip casting, the thick liquid upwards removes through self pressure reverse thrust baffle 606, through increasing coefficient of friction, just can improve thick liquid pressure to improve the closely knit nature between two prevention of seepage membranes, the jack is at the in-process that baffle 606 moved up simultaneously, can remove the undercutting top from the undercutting bottom plate, can also carry out the recovery operation. That is, when not having the slip casting, can guarantee the pressure of increased pressure board through the jack and the inconsistent strength of undercutting inner wall and holding tank bottom, after adopting the thick liquid to provide pressure for the increased pressure board through the slip casting, can also retrieve the jack. In addition, before grouting, a grouting baffle can be additionally arranged in the accommodating groove, namely, the slurry can not be directly contacted with the groove wall of the accommodating groove.
As shown, the baffle 606 is kept horizontal after contacting with the inner wall of the accommodating groove, and the size of the baffle 606 may be 100mm by 200mm long and 10mm thick; as mentioned above, when the undercut width is 220mm, the thickness of the supporting plate is 10mm, and the cavity between the two fixed supporting plates is 200mm, so the thickness formed by the two fixed supporting plates is 220mm, that is, both the two fixed supporting plates can directly contact with the inner wall of the undercut.
In the solution provided in this embodiment, the specific construction process may include the following steps:
the method comprises the following steps: each prevention of seepage module has been installed on the earth's surface, guarantees that the prevention of seepage membrane levels and opens, uses the solid fixed bolster of two symmetries to add to hold, can adopt the form of adding the mounting to consolidate two solid fixed bolster, fixes two solid fixed bolster in the checkpost through a few font checkpost for example.
Step two: excavating a cut in the ground, wherein the width of the cut is 220 mm; the length of the cut is 5m, and a circulation unit is formed;
step three: after 2 circulating units are excavated, 2 water-resisting units are respectively placed into the two circulating units, and the two sides of each water-resisting unit and each circulating unit are 10 mm;
step four: adjusting the friction coefficient of a pulley of the jack to keep the resistance above 200N, and pushing the jack, the baffle and the grouting pipe in the two accommodating grooves to the bottom of the undercut by using the push rod;
step five: slowly grouting through a grouting pipe, wherein the grouting speed is lower than 0.1m3Min, the baffle 606 moves upwards in the grouting process, moves from the bottom of the cut to the top of the cut and is recovered;
step six: and starting to cut a third circulating unit, and repeating the actions of the third step to the fifth step.
And repeating the steps from the first step to the sixth step until the requirement of the reservoir for the length of the waterproof curtain is met.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a opencut coal mine aquifer reservoir waterproof control device which characterized in that, includes a plurality of waterproof modules, and each waterproof module includes water proof unit and jack subassembly, wherein:
the water-resisting unit comprises an impermeable membrane, a fixed support plate and a pressurizing plate; the anti-seepage membrane fixing device comprises two fixing support plates, wherein the two fixing support plates are oppositely arranged on two sides of an anti-seepage membrane to clamp the anti-seepage membrane, a first edge and a second edge of the anti-seepage membrane are arranged on the outer sides of the fixing support plates, and the first edge and the second edge are two opposite edges; the anti-seepage membrane comprises two pressure plates, wherein each pressure plate is provided with a containing groove, the groove bottoms of the two containing grooves are oppositely arranged, and the edge of the first edge or the second edge of the anti-seepage membrane is positioned between the two groove bottoms;
the jack assembly comprises two jacks, and the two jacks are oppositely arranged in the two accommodating grooves; two ends of the jack respectively abut against the inner wall of the bottom of the accommodating groove and a set position in the waterproof control device;
the jack comprises a telescopic part, a first sliding part and a second sliding part; the first sliding part and the second sliding part are respectively fixed at two ends of the telescopic part; the first sliding part comprises a bottom plate and a first pulley block arranged on the outer side of the bottom plate; the second sliding part comprises a top plate and a second pulley block arranged on the outer side of the top plate; the outer side of the bottom plate is the side departing from the impermeable membrane, and the outer side of the top plate is the side close to the impermeable membrane;
opencut coal mine aquifer reservoir waterproof control device still includes slip casting pipe and baffle:
the baffle is arranged between the jack and the cut bottom plate; the telescopic part and the baffle are provided with through holes suitable for the grouting pipes to penetrate through;
the import and the thick liquid source of slip casting pipe are connected, the export of slip casting pipe passes in proper order the pars contractilis with the baffle stretches into the baffle with between the undercutting bottom plate.
2. The opencast coal aquifer reservoir waterproofing control apparatus according to claim 1, wherein:
and the fixed supporting plate and the pressurizing plate which are positioned on the same surface of the impermeable membrane are spliced seamlessly.
3. The opencast coal aquifer reservoir waterproofing control apparatus according to claim 2, wherein:
the fixed supporting plate comprises a plate frame and clamping plates arranged on two sides of the plate frame; connecting plates are formed on the edges of the two sides of the plate frame in the direction of the impermeable membrane, and the connecting plates are perpendicular to the plate frame; the clamping plate is fixedly connected with the connecting plate and arranged in parallel to the direction of the impermeable membrane; the connecting part of the connecting plate and the clamping plate is positioned in the middle of the clamping plate; the first edge and the second edge of the impermeable membrane are clamped by the clamping plates.
4. The opencast coal aquifer reservoir waterproofing control apparatus according to claim 3, wherein:
and the inner side surface of the clamping plate is provided with a sealing material.
5. The opencast coal aquifer reservoir waterproofing control apparatus according to claim 4, wherein:
the sealing material is plastic.
6. The apparatus for controlling waterproofing of an aquifer reservoir of an opencast coal mine according to any one of claims 1 to 5, wherein:
the length of the fixed supporting plate is 4700 mm; a cavity of 200mm multiplied by 200mm is formed between the two opposite fixed supporting plates.
7. The opencast coal aquifer reservoir waterproofing control apparatus according to claim 6, wherein:
the lengths of the first edge and the second edge of the impermeable membrane outside the fixed support plate are both 250 mm; the groove edge part width of the two sides of the containing groove opening of the pressurizing plate is 50mm, and the groove bottom width of the containing groove is 200 mm.
8. The opencast coal aquifer reservoir waterproofing control apparatus according to claim 7, wherein: the cavity is filled with slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565313.6A CN109723442B (en) | 2018-12-20 | 2018-12-20 | Open coal mine aquifer reservoir waterproof control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565313.6A CN109723442B (en) | 2018-12-20 | 2018-12-20 | Open coal mine aquifer reservoir waterproof control device |
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| Publication Number | Publication Date |
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| CN109723442A CN109723442A (en) | 2019-05-07 |
| CN109723442B true CN109723442B (en) | 2020-06-19 |
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| CN201811565313.6A Expired - Fee Related CN109723442B (en) | 2018-12-20 | 2018-12-20 | Open coal mine aquifer reservoir waterproof control device |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202830881U (en) * | 2012-09-21 | 2013-03-27 | 中国水电顾问集团华东勘测设计研究院 | Anti-seepage structure for joint of earth-rock dam and other buildings |
| CN103215940B (en) * | 2013-04-17 | 2015-02-11 | 河海大学 | Overlapping device of upper geotechnical cloth of composite geo-membrane |
| CN203768927U (en) * | 2014-01-27 | 2014-08-13 | 北京轩昂环保科技股份有限公司 | Flexible underground impervious curtain structure |
| CN204570751U (en) * | 2014-12-31 | 2015-08-19 | 上海远方基础工程有限公司 | Underground anti-seepage jointing and underground anti-seepage device |
| KR101541324B1 (en) * | 2015-05-08 | 2015-08-03 | 강충모 | Waterproofing seal material and tape, constructing method of waterproof using the same |
| CN206205147U (en) * | 2016-10-21 | 2017-05-31 | 深圳市中德膜结构有限公司 | Air film waterproof connecting device and pneumatic membrane building |
| CN206233440U (en) * | 2016-12-06 | 2017-06-09 | 深圳市三鑫膜结构有限公司 | A kind of attachment structure in air-supported membrane structures between diaphragm |
| CN207004167U (en) * | 2017-05-16 | 2018-02-13 | 上海海勃膜结构股份有限公司 | A kind of membrane structure border fixed connection apparatus of water-impervious |
| CN107503324B (en) * | 2017-09-15 | 2019-04-26 | 神华集团有限责任公司 | Artificial dam anti-seepage reinforcing device and anti-seepage reinforcement method |
| CN207891902U (en) * | 2018-02-01 | 2018-09-21 | 中国水利水电第八工程局有限公司 | A kind of interface percolator of earth rock cofferdam and concrete cofferdam |
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