CN109252550A - A kind of underground water leakage preventing structure - Google Patents
A kind of underground water leakage preventing structure Download PDFInfo
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- CN109252550A CN109252550A CN201811314335.5A CN201811314335A CN109252550A CN 109252550 A CN109252550 A CN 109252550A CN 201811314335 A CN201811314335 A CN 201811314335A CN 109252550 A CN109252550 A CN 109252550A
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- impervious barrier
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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Abstract
The invention discloses a kind of underground water leakage preventing structure, the present invention can carry out Anti-seeping technology to underground water, and the infiltration of underground water is avoided to cause the generation of the unfavorable natural phenomena such as bogginess, salination, landslide, surface subsidence；And under infiltration use for a long time, geotextiles protective layer protects geotextiles, guarantees the effect of antiseepage；Simultaneously with reasonability, safety, the advantages that feasibility, unit area amount of landfill is higher, construction cost is lower, adaptive deformation ability is strong, to water nonpollution, project amount is small, speed of application is fast, the face to contact with each other between the double-deck geomembrane of first impervious barrier of the invention forms vacuum oil film, the performance for preventing the infiltration of water can be greatly improved, and inject rapid hardening waterproofing agent slurries, can not only slip casting sealing processing be carried out to slip casting aspirating hole, and the stability of the underground anti-seepage water-bound can also be improved, the invention can ensure that the drainage performance of soil engineering composite drainage network, in order to improve the anti-seepage effect of dilatation impervious barrier.
Description
Technical field
The present invention relates to underground water technical field, specifically a kind of underground water leakage preventing structure.
Background technique
Underground water (ground water), refers to water of the preservation in below ground rock gap, refers to underground in the narrow sense
Water below the water surface in saturated aqueous layer, underground water are the important components of water resource, and since water is stablized, water quality is good, is
One of agricultural irrigation, industrial and mineral and the important water source in city, but under certain condition, the variation of underground water can also cause bogginess,
The unfavorable natural phenomena such as salination, landslide, surface subsidence.
But underground water anti-seepage effect currently on the market is bad, be easy to cause the infiltration of underground water, leads to underground water
It is lost, or even variation can be generated to the environment of surrounding, and after Anti-seeping technology, geomembrane can hold in prolonged use
Vulnerable to corrosion, anti-seepage effect is influenced.Therefore, those skilled in the art provide a kind of underground water leakage preventing structure, on solving
State the problem of proposing in background technique.
Summary of the invention
The purpose of the present invention is to provide a kind of underground water leakage preventing structures, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of underground water leakage preventing structure, including antiseepage base, natural clay bed course, first impervious barrier and dilatation impervious barrier, it is described
The inside of antiseepage base is from top to bottom disposed with nature clay bed course, first impervious barrier and dilatation impervious barrier, the nature
The bottom end of clay bed course, which is pressed, is provided with first impervious barrier, and the bottom end of the first impervious barrier, which is pressed, is provided with dilatation impervious barrier,
It is characterized in that, the slip casting aspirating hole for extending downwardly and extending to the double-deck geomembrane upper surface is provided in the antiseepage base,
It is arranged on the slip casting aspirating hole inner wall and is fixedly installed slip casting exhaust tube, the bilayer geomembrane is setting described first anti-
Geotechnique's synthesis film of infiltration layer upper surface when construction, is coated with one layer of oil film on the face that contacts with each other between the bilayer geomembrane；
Aspirating hole, the aspirating hole and slip casting exhaust tube position are provided on one layer of geomembrane on the top of the bilayer geomembrane
It corresponding to and is connected, being vacuumized with will pass through the slip casting exhaust tube to the space between the double-deck geomembrane, so that
It obtains the face to contact with each other between the double-deck geomembrane and forms vacuum oil film, prevent the infiltration of water；To the slip casting exhaust tube
After the completion of being evacuated, rapid hardening waterproofing agent slurries are injected in the slip casting exhaust tube, to carry out slip casting to slip casting aspirating hole
Sealing processing；It is provided with soil engineering composite drainage network in the dilatation impervious barrier, is equipped with above the soil engineering composite drainage network
Percolate guide cobble, and the upper surface of the soil engineering composite drainage network be fixedly installed prevent percolate guide cobble blocking soil
Work composite drainage network and the water for capableing of the row for the treatment of carry out the anti-blocking supporting element in drainage network of guiding memory action.
As a further solution of the present invention: the wave moulding surface structure that the bilayer geomembrane is all made of concaveconvex structure is laid with
It forms.
As a further solution of the present invention: the anti-blocking supporting element in drainage network includes support ring and support fin, wherein
The soil engineering composite drainage network is the net-like frame structure of stereochemical structure made of being set as horizontal bar and vertical muscle structure, and frame knot
The bottom of structure is provided with drainage, and the top of the vertical muscle of the soil engineering composite drainage network is provided with the support ring, the branch
Pushing out ring is circular ring structure, and is provided centrally with support annular distance, the excircle of the support ring extend radially outwards be provided with it is multiple
The support fin of circumference array arrangement, two adjacent support fin structures are set as water storage guiding gutter, the water storage guiding gutter
So that infiltration flows to the soil engineering composite drainage network.
As a further solution of the present invention: the first impervious barrier includes that geotechnique synthesizes film and composite pad, described first
The inside of secondary impervious barrier is from top to bottom disposed with geotechnique's synthesis film and composite pad, and the bottom end of geotechnique's synthesis film is pressed
It is provided with composite pad.
As further scheme of the invention: the composite pad includes the double-deck geomembrane, compacted cohesive soil, geotechnological strainer
And pp geo textiles, the inside of the composite pad are from top to bottom disposed with the double-deck geomembrane, compacted cohesive soil, geotechnique's filter
Net and pp geo textiles, the bottom end of the bilayer geomembrane, which is pressed, is provided with compacted cohesive soil, and the bottom end of the compacted cohesive soil is tight
Pressure is provided with geotechnological strainer, and the bottom end of geotechnique's strainer, which is pressed, is provided with pp geo textiles.
As further scheme of the invention: the dilatation impervious barrier includes geotechnological strainer separation layer, percolate guide
Cobble, soil engineering composite drainage network, geotextiles protective layer, antiseepage HDPE geomembrane and auxiliary seepage proof layer, the dilatation impervious barrier
Inside is from top to bottom disposed with geotechnological strainer separation layer, percolate guide cobble, soil engineering composite drainage network, geotextiles protection
The bottom end of layer, antiseepage HDPE geomembrane and auxiliary seepage proof layer, geotechnique's strainer separation layer is provided with percolate guide cobble, institute
The bottom end for stating percolate guide cobble is provided with soil engineering composite drainage network, and the bottom end of the soil engineering composite drainage network, which is pressed, to be provided with
Geotextiles protective layer, the bottom end of the geotextiles protective layer, which is pressed, is provided with antiseepage HDPE geomembrane, and geotextiles protective layer is
A kind of component of polyester resin material, the bottom end of the antiseepage HDPE geomembrane, which is pressed, is provided with auxiliary seepage proof layer.
As further scheme of the invention: the thickness of the percolate guide cobble is not less than 30 centimetres.
As further scheme of the invention: the thickness of geotechnique's synthesis film and antiseepage HDPE geomembrane is not less than 2
Every layer of geotechnological film thickness of millimeter, the bilayer geomembrane is not less than 5mm.
As further scheme of the invention: the slip casting aspirating hole is in the antiseepage base of the underground water leakage preventing structure
Uniform array arrangement.
As further scheme of the invention: two adjacent anti-blocking supporting elements in drainage network include the position in support ring
The gap of 1-5mm is provided between two opposite support fins
Compared with prior art, the beneficial effects of the present invention are:
The present invention can carry out Anti-seeping technology to underground water, avoid the infiltration of underground water by first impervious barrier and dilatation impervious barrier
Cause the generation of the unfavorable natural phenomena such as bogginess, salination, landslide, surface subsidence thoroughly；And it is used in prolonged infiltration
Under, geotextiles protective layer protects geotextiles, guarantees the effect of antiseepage；Simultaneously with reasonability, safety, feasibility
The advantages that, and unit area amount of landfill is higher, construction cost is lower, and adaptive deformation ability is strong, to water nonpollution, project amount
Small, speed of application is fast, and the face to contact with each other between the double-deck geomembrane of first impervious barrier of the invention forms vacuum oil film, can
The performance for preventing the infiltration of water is greatly improved, and injects rapid hardening waterproofing agent slurries, slip casting aspirating hole can not only be infused
Sealing processing is starched, but also can be improved the stability of the underground anti-seepage water-bound, meanwhile, in the upper end of soil engineering composite drainage network
Face fixed setting prevent percolate guide cobble blocking soil engineering composite drainage network and be capable of the row for the treatment of water carry out guiding storage make
The anti-blocking supporting element in drainage network, it is ensured that the drainage performance of soil engineering composite drainage network, in order to improve the anti-of dilatation impervious barrier
Seep effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of underground water leakage preventing structure；
Fig. 2 is a kind of structural schematic diagram of first impervious barrier in underground water leakage preventing structure；
Fig. 3 is a kind of structural schematic diagram of composite pad in underground water leakage preventing structure；
Fig. 4 is a kind of structural schematic diagram of dilatation impervious barrier in underground water leakage preventing structure；
Fig. 5 is a kind of anti-blocking supporting piece structure schematic diagram in drainage network of dilatation impervious barrier in underground water leakage preventing structure.
In figure: 1, antiseepage base；2, natural clay bed course；3, first impervious barrier；31, geotechnique's synthesis film；32, composite lining
Pad；321, the double-deck geomembrane；322, compacted cohesive soil；323, geotechnological strainer；324, pp geo textiles；4, dilatation impervious barrier；41,
Geotechnological strainer separation layer；42, percolate guide cobble；43, soil engineering composite drainage network；44, geotextiles protective layer；45, antiseepage
HDPE geomembrane；46, auxiliary seepage proof layer, 47, the anti-blocking supporting element in drainage network, 471, support annular distance, 472, support ring, 473, branch
Support fin, 474, water storage guiding gutter, 5, slip casting aspirating hole.
Specific embodiment
Please refer to Fig. 1~5, in the embodiment of the present invention, a kind of underground water leakage preventing structure, including antiseepage base 1, natural clay
The inside of bed course 2, first impervious barrier 3 and dilatation impervious barrier 4, the antiseepage base 1 is from top to bottom disposed with nature clay
Bed course 2, first impervious barrier 3 and dilatation impervious barrier 4, the bottom end of the nature clay bed course 2, which is pressed, is provided with first impervious barrier 3,
The bottom end of the first impervious barrier 3, which is pressed, is provided with dilatation impervious barrier 4, which is characterized in that
The slip casting aspirating hole for extending downwardly and extending to double-deck 321 upper surface of geomembrane is provided in the antiseepage base 1, it is described
It is arranged on 5 inner wall of slip casting aspirating hole and is fixedly installed slip casting exhaust tube, the bilayer geomembrane 321 is setting described first anti-
Geotechnique's synthesis film of 3 upper surface of infiltration layer when construction, is coated with one layer on the face that contacts with each other between the bilayer geomembrane 321
Oil film；
Aspirating hole is provided on one layer of geomembrane on the top of the bilayer geomembrane 321, the aspirating hole and the slip casting are taken out
Position of trachea is corresponding and is connected, and is carried out with will pass through the slip casting exhaust tube to the space between the double-deck geomembrane 321
It vacuumizes, so that the face to contact with each other between the bilayer geomembrane 321 forms vacuum oil film, prevents the infiltration of water；
After the completion of being evacuated to the slip casting exhaust tube, rapid hardening waterproofing agent slurries are injected in the slip casting exhaust tube, with
Just slip casting sealing processing is carried out to slip casting aspirating hole；
It is provided with soil engineering composite drainage network in the dilatation impervious barrier 4, diafiltration is equipped with above the soil engineering composite drainage network
Liquid guide cobble, and the upper surface of the soil engineering composite drainage network is fixedly installed and prevents percolate guide cobble blocking geotechnique multiple
Conjunction drainage network and the water for capableing of the row for the treatment of carry out the anti-blocking supporting element in drainage network of guiding memory action.
In the present embodiment, the wave moulding surface structure that the double-deck geomembrane 321 is all made of concaveconvex structure is laid with.
As shown in figure 5, the anti-blocking supporting element in drainage network includes support ring 472 and support fin 473, wherein the soil
Work composite drainage network is the net-like frame structure of stereochemical structure made of being set as horizontal bar and vertical muscle structure, and the bottom of frame structure
Portion is provided with drainage, and the top of the vertical muscle of the soil engineering composite drainage network is provided with the support ring 472, the support ring
For circular ring structure, and it is provided centrally with support annular distance 471, the excircle of the support ring, which extends radially outwards, is provided with multiple circles
The support fin 473 of all array arrangements, two adjacent support fin structures are set as water storage guiding gutter 474, and the water storage is led
Sink makes infiltration flow to the soil engineering composite drainage network.
In the present embodiment, such as Fig. 2-3, first impervious barrier 3 includes geotechnique's synthesis film 31 and composite pad 32, first antiseepage
The inside of layer 3 is from top to bottom disposed with geotechnique's synthesis film 31 and composite pad 32, and the bottom end of geotechnique's synthesis film 31, which is pressed, to be set
It is equipped with composite pad 32, composite pad 32 includes the double-deck geomembrane 321, compacted cohesive soil 322, geotechnological strainer 323 and polypropylene soil
Work cloth 324, the inside of composite pad 32 are from top to bottom disposed with the double-deck geomembrane 321, compacted cohesive soil 322, geotechnological strainer
323 and pp geo textiles 324, the bottom end of the double-deck geomembrane 321, which is pressed, is provided with compacted cohesive soil 322, the bottom of compacted cohesive soil 322
End, which is pressed, is provided with geotechnological strainer 323, and the bottom end of geotechnological strainer 323, which is pressed, is provided with pp geo textiles 324, and underground water passes through
The Anti-seeping technology of first impervious barrier 3, the only underground water of sub-fraction can enter the position of dilatation impervious barrier 4.
The bottom end of first impervious barrier 3, which is pressed, is provided with dilatation impervious barrier 4, and such as Fig. 4, dilatation impervious barrier 4 includes geotechnological strainer
Separation layer 41, percolate guide cobble 42, soil engineering composite drainage network 43, geotextiles protective layer 44,45 and of antiseepage HDPE geomembrane
Auxiliary seepage proof layer 46, the inside of dilatation impervious barrier 4 are from top to bottom disposed with geotechnological strainer separation layer 41, percolate guide ovum
Stone 42, soil engineering composite drainage network 43, geotextiles protective layer 44, antiseepage HDPE geomembrane 45 and auxiliary seepage proof layer 46, geotechnological strainer
The bottom end of separation layer 41 is provided with percolate guide cobble 42, and the bottom end of percolate guide cobble 42 is provided with geosynthetics draining
Net 43, the bottom end of soil engineering composite drainage network 43, which is pressed, is provided with geotextiles protective layer 44, and the bottom end of geotextiles protective layer 44 is pressed
It is provided with antiseepage HDPE geomembrane 45, and geotextiles protective layer 44 is a kind of component of polyester resin material, is carried out to geotextiles
Protection, the bottom end of antiseepage HDPE geomembrane 45, which is pressed, is provided with auxiliary seepage proof layer 46, due to the antiseepage of antiseepage HDPE geomembrane 45
Performance is extremely low, and service life is longer, and the thickness of percolate guide cobble 42 is not less than 30 centimetres, and geotechnique synthesizes film 31 and antiseepage
The thickness of HDPE geomembrane 45 is not less than 2 millimeters, and every layer of thickness of the double-deck geomembrane 321 is not less than 5 millimeters.
As preferred embodiment, the slip casting aspirating hole 5 uniform battle array in the antiseepage base 1 of the underground water leakage preventing structure
Column arrangement.Two adjacent anti-blocking supporting elements in drainage network include two opposite support fins 473 of the position in support ring 472 it
Between be provided with the gap of 1-5mm.
The working principle of the invention is: when needing to carry out Anti-seeping technology to underground water, being arranged in the bottom of antiseepage base 1
First impervious barrier 3 and dilatation impervious barrier 4 can carry out at antiseepage underground water by first impervious barrier 3 and dilatation impervious barrier 4
Reason, avoids the infiltration of underground water from causing the generation of the unfavorable natural phenomena such as bogginess, salination, landslide, surface subsidence；It is described double
Aspirating hole, the aspirating hole and slip casting exhaust tube position pair are provided on one layer of geomembrane on the top of layer geomembrane 321
It answering and is connected, being vacuumized with will pass through the slip casting exhaust tube to the space between the double-deck geomembrane 321, so that
It obtains the face to contact with each other between the double-deck geomembrane 321 and forms vacuum oil film, prevent the infiltration of water；It is evacuated to the slip casting
After the completion of pipe is evacuated, rapid hardening waterproofing agent slurries are injected, in the slip casting exhaust tube to infuse to slip casting aspirating hole
Starch sealing processing；Soil engineering composite drainage network is provided in the dilatation impervious barrier 4, the top of the soil engineering composite drainage network is laid with
There is a percolate guide cobble, and the upper surface of the soil engineering composite drainage network is fixedly installed and prevents percolate guide cobble from blocking
Soil engineering composite drainage network and the water for capableing of the row for the treatment of carry out the anti-blocking supporting element in drainage network of guiding memory action.And for a long time
Infiltration use under, geotextiles protective layer 44 protects geotextiles, geotechnique's synthesis film 31, the double-deck geomembrane 321 and antiseepage
HDPE geomembrane 45 can reduce the infiltration of underground water, and the barrier performance of antiseepage HDPE geomembrane 45 is extremely low, is a kind of flexibility
, nontoxic, environmentally protective waterproofer, can be dissolved without any material under normal temperature conditions, service life is longer, protect
Demonstrate,prove the effect of antiseepage；The advantages that simultaneously with reasonability, safety, feasibility, and unit area amount of landfill is higher, cost of erection
With lower, adaptive deformation ability is strong, and to water nonpollution, project amount is small, and speed of application is fast.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of underground water leakage preventing structure, including antiseepage base (1), natural clay bed course (2), first impervious barrier (3) and dilatation
The inside of impervious barrier (4), the antiseepage base (1) is from top to bottom disposed with nature clay bed course (2), first impervious barrier
(3) and dilatation impervious barrier (4), the bottom end of the nature clay bed course (2), which is pressed, is provided with first impervious barrier (3), described first
The bottom end of impervious barrier (3), which is pressed, is provided with dilatation impervious barrier (4), which is characterized in that
It is provided with the slip casting aspirating hole for extending downwardly and extending to the double-deck geomembrane (321) upper surface on the antiseepage base (1),
It is arranged on slip casting aspirating hole (5) inner wall and is fixedly installed slip casting exhaust tube, the bilayer geomembrane (321) is setting in institute
The geotechnique's synthesis film for stating first impervious barrier (3) upper surface, when construction, the face that contacts with each other between the bilayer geomembrane (321)
On be coated with one layer of oil film；
Aspirating hole, the aspirating hole and the slip casting are provided on one layer of geomembrane on the top of the bilayer geomembrane (321)
Exhaust tube position is corresponding and is connected, will pass through the slip casting exhaust tube to the space between the double-deck geomembrane (321)
It is vacuumized, so that the face to contact with each other between the bilayer geomembrane (321) forms vacuum oil film, prevents the infiltration of water
Enter；
After the completion of being evacuated to the slip casting exhaust tube, rapid hardening waterproofing agent slurries are injected in the slip casting exhaust tube, with
Just slip casting sealing processing is carried out to slip casting aspirating hole；
It is provided with soil engineering composite drainage network in the dilatation impervious barrier (4), infiltration is equipped with above the soil engineering composite drainage network
Filtrate guide cobble, and the upper surface of the soil engineering composite drainage network be fixedly installed prevent percolate guide cobble blocking geotechnique
Composite drainage network and the water for capableing of the row for the treatment of carry out the anti-blocking supporting element in drainage network of guiding memory action.
2. a kind of underground water leakage preventing structure according to claim 1, which is characterized in that the bilayer geomembrane (321) is equal
It is laid with using the wave moulding surface structure of concaveconvex structure.
3. a kind of underground water leakage preventing structure according to claim 1, which is characterized in that the anti-blocking supporting element packet in drainage network
Include support ring (472) and support fin (473), wherein the soil engineering composite drainage network be set by horizontal bar and vertical muscle structure and
At stereochemical structure net-like frame structure, and the bottom of frame structure is provided with drainage, the soil engineering composite drainage network
The top of vertical muscle is provided with the support ring (472), and the support ring is circular ring structure, and is provided centrally with support annular distance
(471), the excircle of the support ring, which extends radially outwards, is provided with the support fin (473) that multiple circumference array are arranged, and two
A adjacent support fin structure is set as water storage guiding gutter (474), and the water storage guiding gutter makes infiltration flow to the geotechnique
Composite drainage network.
4. a kind of underground water leakage preventing structure according to claim 1, which is characterized in that the first impervious barrier (3) includes
Geotechnique's synthesis film (31) and composite pad (32), the inside of the first impervious barrier (3) are from top to bottom disposed with geotechnological conjunction
Form a film (31) and composite pad (32), and the bottom end of geotechnique's synthesis film (31), which is pressed, is provided with composite pad (32).
5. a kind of underground water leakage preventing structure according to claim 4, which is characterized in that the composite pad (32) includes double
Layer geomembrane (321), compacted cohesive soil (322), geotechnological strainer (323) and pp geo textiles (324), the composite pad (32)
To be from top to bottom disposed with the double-deck geomembrane (321), compacted cohesive soil (322), geotechnological strainer (323) and polypropylene native for inside
Work cloth (324), the bottom end of the bilayer geomembrane (321), which is pressed, to be provided with compacted cohesive soil (322), the compacted cohesive soil (322)
Bottom end press and be provided with geotechnological strainer (323), the bottom end of geotechnique's strainer (323), which is pressed, is provided with pp geo textiles
(324).
6. a kind of underground water leakage preventing structure according to claim 4, which is characterized in that the dilatation impervious barrier (4) includes
Geotechnological strainer separation layer (41), soil engineering composite drainage network (43), geotextiles protective layer (44), is prevented percolate guide cobble (42)
It seeps HDPE geomembrane (45) and auxiliary seepage proof layer (46), the inside of the dilatation impervious barrier (4) is from top to bottom disposed with soil
Work strainer separation layer (41), percolate guide cobble (42), soil engineering composite drainage network (43), geotextiles protective layer (44), antiseepage
The bottom end of HDPE geomembrane (45) and auxiliary seepage proof layer (46), geotechnique's strainer separation layer (41) is provided with percolate guide ovum
The bottom end of stone (42), the percolate guide cobble (42) is provided with soil engineering composite drainage network (43), the geosynthetics draining
The bottom end of net (43), which is pressed, to be provided with geotextiles protective layer (44), the bottom end of the geotextiles protective layer (44) press be provided with it is anti-
It seeps HDPE geomembrane (45), and geotextiles protective layer (44) is a kind of component of polyester resin material, the antiseepage HDPE geotechnique
The bottom end of film (45), which is pressed, is provided with auxiliary seepage proof layer (46).
7. a kind of underground water leakage preventing structure according to claim 6, which is characterized in that the percolate guide cobble (42)
Thickness be not less than 30 centimetres.
8. a kind of underground water leakage preventing structure described in -7 any one according to claim 1, which is characterized in that geotechnique's synthesis
The thickness of film (31) and antiseepage HDPE geomembrane (45) is not less than 2 millimeters, the geotechnological film thickness of every layer of the bilayer geomembrane (321)
Degree is not less than 5mm.
9. a kind of underground water leakage preventing structure described in -7 any one according to claim 1, which is characterized in that the slip casting pumping
Hole (5) uniform array in the antiseepage base (1) of the underground water leakage preventing structure is arranged.
10. a kind of underground water leakage preventing structure described in -7 any one according to claim 1, which is characterized in that adjacent two
The anti-blocking supporting element in drainage network includes being provided with 1-5mm between two opposite support fins (473) of the position on support ring (472)
Gap.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112272984A (en) * | 2020-10-23 | 2021-01-29 | 南京朴厚生态科技有限公司 | Coastal zone micro-ecological environment restoration system and construction method thereof |
| CN117761290A (en) * | 2024-02-22 | 2024-03-26 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | Rainfall-induced lower rock slope collapse influence simulation test device |
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| CN207808652U (en) * | 2017-12-21 | 2018-09-04 | 唐山德生科技有限公司 | Prespreading TPE Macromolecular self-adhesive membrane waterproof rolls |
| KR20190078813A (en) * | 2017-12-27 | 2019-07-05 | (재)한국건설생활환경시험연구원 | Self-bonding type waterproof sheet with fresh concrete substrate for preventing radon gas |
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| CN112272984A (en) * | 2020-10-23 | 2021-01-29 | 南京朴厚生态科技有限公司 | Coastal zone micro-ecological environment restoration system and construction method thereof |
| CN117761290A (en) * | 2024-02-22 | 2024-03-26 | 中国地质调查局成都地质调查中心（西南地质科技创新中心） | Rainfall-induced lower rock slope collapse influence simulation test device |
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| CN109252550B (en) | 2020-07-28 |
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Denomination of invention: A groundwater anti-seepage structure Effective date of registration: 20220107 Granted publication date: 20200728 Pledgee: China Construction Bank Corporation Linyi Luozhuang sub branch Pledgor: LINYI HUI BAO LING IRON Co.,Ltd. Registration number: Y2022980000200 |