CN109056838A - Underground anti-seepage film plugs connector and its construction method - Google Patents
Underground anti-seepage film plugs connector and its construction method Download PDFInfo
- Publication number
- CN109056838A CN109056838A CN201810830501.0A CN201810830501A CN109056838A CN 109056838 A CN109056838 A CN 109056838A CN 201810830501 A CN201810830501 A CN 201810830501A CN 109056838 A CN109056838 A CN 109056838A
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- China
- Prior art keywords
- slip casting
- section
- joint body
- plugging member
- slot
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Classifications
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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
-
- 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
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2450/00—Gaskets
- E02D2450/10—Membranes
- E02D2450/105—Membranes impermeable
- E02D2450/106—Membranes impermeable for liquids
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The present invention provides a kind of underground anti-seepage film plug connector and its construction methods, wherein, including joint body, at least one slip casting slot unit is equipped in the joint body, each slip casting slot unit includes the first slip casting chamber and the second slip casting chamber of mutual conduction, the side of the joint body, which is equipped with, to be open and is connected with the first slip casting chamber, plugging member is equipped in the slip casting slot unit, the plugging member includes joining section, it is adapted to construction section and limit section, joining section extends joint body by being open, adaptation construction section activity is inserted in the side of opening, limit section is arranged at the conducting of the first slip casting chamber and the second slip casting chamber, in turn, antiseepage film or permeable membrane are protruded by opening, antiseepage film or permeable membrane are connected by joining section.The present invention solves the problems, such as how antiseepage film to be applied in underground anti-seepage processing construction, further increases construction quality and efficiency, reduces be may cause pollution of constructing.
Description
Technical field
The invention belongs to build underground anti-seepage leakage technical field, it is related to a kind of underground anti-seepage film plug connector and its construction party
Method.
Background technique
Underground anti-seepage processing is mainly used for separating the connection of underground water, and Main is to close pollution source of groundwater
It in a region, and then prevents pollution sources from spreading, avoids continuing the clean underground water of pollution.
Currently, in construction of diaphragm wall, the existing construction method for generalling use concreting cut-pff wall.However,
On the one hand this way can generate crack, poor reliability in the long-term use；On the other hand it will also result in secondary pollution,
It is unfavorable for environmental protection.
Summary of the invention
An object of the present invention is in order to overcome the shortcomings in the prior art, to provide a kind underground anti-seepage film plug and connect
Head and its construction method, to solve the problems, such as that how antiseepage film is applied to underground anti-seepage is handled in construction, is further increased and is applied
Working medium amount and efficiency reduce be may cause pollution of constructing.
In order to achieve the above object, being achieved through the following technical solutions:
A kind of underground anti-seepage film plug connector, including joint body are provided first, are equipped at least one in the joint body
A slip casting slot unit, each slip casting slot unit include the first slip casting chamber and the second slip casting chamber of mutual conduction, institute
The side for stating joint body, which is equipped with, to be open and is connected with the first slip casting chamber, and plugging member is equipped in the slip casting slot unit,
The plugging member includes joining section, adaptation construction section and limit section, and the joining section extends the connector by the opening
Ontology, the adaptation construction section activity are inserted in the side of the opening, and the limit section is arranged in the first slip casting chamber
At conducting with the second slip casting chamber, in turn, antiseepage film or permeable membrane is protruded by the opening, pass through the joining section
Connect the antiseepage film or the permeable membrane.
Preferably, the two sides of the opening are respectively equipped with the slot extended to the first slip casting chamber interior, described suitable
It include the installing arm for being divided into the plugging member two sides with construction section, the installing arm activity is inserted in the slot, described
Antiseepage film or the permeable membrane are located between the outer wall of the slot and the joining section.
Preferably, between the adaptation construction section and the limit section by extension be connected with each other, the extension with
It is equipped with water-swellable body between the inner wall of the first slip casting chamber, the side of the extension is pressed by the water-swellable body
Face limits the plugging member in turn and generates shaking or displacement in the width direction of the joint body.
Preferably, the water-swellable body is to meet the circle or rectangular rubber stick that water gradually expands.
Preferably, the installing arm is linearly or triangle, the shape of the wall extension of the slot and the installation
The thickness of the shape adaptation of arm, the adaptation construction section and the limit section is greater than the joining section and the extension.
Preferably, the two sides of the joint body are respectively equipped with the slip casting slot unit of symmetrical two and described
Plugging member, and then the two side ends of the joint body are respectively provided with two openings, described the second of each slip casting slot unit
Built-in slip casting pipe is equipped in slip casting chamber.
For above-mentioned purpose is better achieved, the present invention also provides a kind of underground anti-seepage films to plug connection construction method, including
Following steps:
Multiple above-mentioned underground anti-seepage film plug connectors are provided；
The plugging member is installed in the slip casting slot unit by the cross section transverse plug of the joint body；
Antiseepage film or permeable membrane are protruded into the slip casting slot unit from the opening of the single joint body side；
The antiseepage film or the permeable membrane are connected to the joining section；
To slip casting in the slip casting slot unit, the side of the plugging member is clamped by the press of external force caused by the slip casting
Portion limits the plugging member in turn and generates shaking or displacement in the width direction of the joint body, until by the slip casting slot
Unit fills, and solidifies to slip casting；
It repeats the above steps, encloses multiple antiseepage films or permeable membrane until plugging connector by multiple antiseepage films
Close connection.
Preferably, following procedure is specifically included to the step of connection antiseepage film from the step of installing the plugging member:
The slot extended in the oriented joint body is respectively formed in the two sides of the opening；
The plugging member includes joining section, adaptation construction section and limit section, and the joining section is extended by the opening
The adaptation construction section is bent and then forms the installing arm for being divided into the plugging member two sides, by institute by the joint body out
It states installing arm activity to be inserted in the slot, the limit section is arranged in the first slip casting chamber and second slip casting
At the conducting of chamber；
The antiseepage film or the permeable membrane are located between the outer wall of the slot and the joining section；
The antiseepage film or the permeable membrane are fitted closely to surface and the mutual welding in the joining section.
Preferably, to the slip casting slot unit slip casting until slip casting includes following procedure the step of solidification:
Built-in slip casting pipe is set in the second slip casting chamber of each slip casting slot unit, passes through the built-in slip casting pipe
To the first slip casting chamber and the second slip casting chamber slip casting, pass through between the adaptation construction section and the limit section
Extension is connected with each other, and water-swellable body is arranged between the extension and the inner wall of the first slip casting chamber, after slip casting
The side of the plugging member is clamped by itself expansion press of the water-swellable body.
Preferably, the step of providing the antiseepage film plug connector includes following procedure:
It is respectively formed the slip casting slot unit of symmetrical two and plugging member in the two sides of the joint body, into
And two openings are respectively formed in the two side ends of the joint body, so that multiple antiseepage films or the permeable membrane are first
Tail is connected to the antiseepage film plug connector.
Beneficial effect provided by the invention includes:
1) multiple antiseepage films are securely connected using multiple underground anti-seepage films plug connector, and then is enclosed big face
Long-pending underground anti-seepage drain region, good seepage-proof property are also more convenient more efficient, will not generate secondary pollution, completely for construction
Meet the requirement of Modern Green environmental protection construction；
2) in such a way that plug cooperates welding, facilitate and antiseepage film is fixed in the slip casting slot of antiseepage membrane body, thus
So that fixation is stronger, and it is not easily to fall off, dramatically increase service life；
3) two slip casting chambers are arranged in same/side slip casting unit ensure that the density of slip casting filling, it is ensured that note
Slurry thoroughly blocks infiltration path.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that underground anti-seepage film of the present invention plugs connector；
Fig. 2 is the structural schematic diagram corresponding to Fig. 1 center tap ontology；
Fig. 3 is the structural schematic diagram corresponding to plugging member in Fig. 1；
Fig. 4 is corresponding to status diagram after the slip casting of Fig. 1；
Fig. 5 is the final Construction State schematic diagram that underground anti-seepage film of the present invention plugs connection construction method.
Figure label:
Joint body 1；Slip casting slot 2；Plugging member 3；Opening 4；Antiseepage film or permeable membrane 9.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing:
In conjunction with shown in Fig. 1 and Fig. 3, present invention firstly provides a kind of underground anti-seepage films to plug connector, connecing including rectangle
Head ontology 1, the two sides of the joint body 1 are respectively equipped with a slip casting slot unit 2, and each slip casting slot unit 2 includes phase
The the first slip casting chamber 20 and the second slip casting chamber 22 be mutually connected, the two side ends of the joint body 1 are respectively equipped with opening 4 simultaneously
It is connected with the first slip casting chamber 20, plugging member 3 is equipped in the slip casting slot unit 2, the plugging member 3 includes joining section
30, it is adapted to construction section 32 and limit section 34, the joining section 30 extends the joint body 1 by the opening 4, described suitable
The side of the opening 4 is inserted in 32 activity of construction section, the limit section 34 is arranged in the first slip casting chamber 20 and institute
The separated conducting for stating the second slip casting chamber 22 is formed by the inside of limited wall 24, and described the second of each slip casting slot unit 2
It is equipped with built-in slip casting pipe 6 in slip casting chamber 22, in turn, antiseepage film or permeable membrane 9 is protruded by the opening 4, pass through the rank
It connects section 30 and connects the antiseepage film or the permeable membrane 9.More preferably, the antiseepage film or the permeable membrane 9 are all made of height
Performance PE material, heat seal bond are strong.
Specifically, in conjunction with shown in Fig. 2 and Fig. 3, the two sides of the opening 4 are respectively equipped with into the first slip casting chamber 20
The slot 5 that portion extends, the adaptation construction section 32 includes the installing arm 320 for being divided into 3 two sides of plugging member, the installing arm
320 activities are inserted in the slot 5, the antiseepage film or the permeable membrane 9 be located in the slot 5 outer wall and the rank
It connects between section 30.More preferably, the installing arm 320 is linearly or triangle, the wall extension 50 of the slot 5
The shape adaptation of shape and the installing arm 320.
In conjunction with shown in Fig. 1 and Fig. 3, interconnected between the adaptation construction section 32 and the limit section 34 by 36 phase of extension
It connects, water-swellable body 7 is equipped between the extension 36 and the inner wall of the first slip casting chamber 20, passes through the water-swellable
Body 7 presses the side of the extension 36 and then limits the plugging member 3 and generates in the width direction of the joint body 1
It shakes or is displaced.More preferably, the water-swellable body 7 is to meet the circle or rectangular rubber stick that water gradually expands.It is described suitable
Thickness with construction section 32 and the limit section 34 is greater than the joining section 30 and the extension 36.
After with above structure feature, the present invention also provides a kind of underground anti-seepage films to plug connection construction method, this hair
Bright above-mentioned underground anti-seepage film plug connector can also be implemented by the construction method, in conjunction with shown in Fig. 4 and Fig. 5, the construction
Method the following steps are included:
A. as shown in Figure 1, providing multiple above-mentioned antiseepage films plugs connector.The more preferred way of the step is embodied
It is to be respectively formed the slip casting slot unit 2 of symmetrical two and plugging member 3 in the two sides of the joint body 1, in turn
Two openings 4 are respectively formed in the two side ends of the joint body 1.
B. as shown in Figures 2 and 3, the plugging member 3 is installed on by the cross section transverse plug of the joint body 1 described
In slip casting slot unit 2.The more preferred way of the step, which is embodied, is, is respectively formed oriented institute in the two sides of the opening 4
State the slot 5 extended in joint body 1；The plugging member 3 includes joining section 30, adaptation construction section 32 and limits section 34, will
The joining section 30 extends the joint body 1 by the opening 4, and the adaptation construction section 32 is bent and then is formed and is set up separately
320 activity of installing arm is inserted in the slot 5, by the limit by the installing arm 320 in 3 two sides of plugging member
Section 34 is arranged at the conducting of the first slip casting chamber 20 and the second slip casting chamber 22.
C. as shown in figure 4, antiseepage film or permeable membrane 9 are protruded into from the opening 4 of single 1 two side ends of joint body
In the slip casting slot unit 2, the antiseepage film or the permeable membrane 9 are connected to the joining section 30.The step is embodied
More preferred way is that the antiseepage film or the permeable membrane 9 are located in the outer wall and the joining section 30 of the slot 5
Between, the antiseepage film or the permeable membrane 9 are fitted closely to surface and the mutual welding in the joining section 30.
D. to slip casting in the slip casting slot unit 2, the plugging member 3 is clamped by the press of external force caused by the slip casting
Side so that limit the plugging member 3 is generated in the width direction of the joint body 1 shaking or displacement, until will described in
Slip casting slot unit 2 fills, and solidifies to slip casting.The more preferred way of the step, which is embodied, is, in each slip casting slot unit 2
The second slip casting chamber 22 in be arranged built-in slip casting pipe 6, by the built-in slip casting pipe 6 to the first slip casting chamber 20
And 22 slip casting of the second slip casting chamber, it is mutual by extension 36 between the adaptation construction section 32 and the limit section 34
Water-swellable body 7 is arranged between the extension 36 and the inner wall of the first slip casting chamber 20, passes through institute after slip casting for connection
Itself the expansion press for stating water-swellable body 7 clamps the two sides of the extension 36.
E. as shown in figure 5, repeating the above steps, until plugging connector 1 by multiple antiseepage films will be multiple described anti-
It seeps film or the permeable membrane 9 encloses the underground anti-seepage drain region Z for connecting and then forming large area.
After completing above-mentioned implementation process, following characteristics of the invention should be able to be embodied:
1) structure is simple, convenient for construction.
2) by way of welding and two slip casting chambers to connect stronger, service life between film and connector
It is long.
3) good seepage-proof property avoids secondary pollution.
Embodiment in the present invention is only used for that the present invention will be described, and is not construed as limiting the scope of claims limitation,
Other substantially equivalent substitutions that those skilled in that art are contemplated that, are within the scope of the invention.
Claims (10)
1. a kind of underground anti-seepage film plugs connector, which is characterized in that including joint body, at least one is equipped in the joint body
A slip casting slot unit, each slip casting slot unit include the first slip casting chamber and the second slip casting chamber of mutual conduction, institute
The side for stating joint body, which is equipped with, to be open and is connected with the first slip casting chamber, and plugging member is equipped in the slip casting slot unit,
The plugging member includes joining section, adaptation construction section and limit section, and the joining section extends the connector by the opening
Ontology, the adaptation construction section activity are inserted in the side of the opening, and the limit section is arranged in the first slip casting chamber
At conducting with the second slip casting chamber, in turn, antiseepage film or permeable membrane is protruded by the opening, pass through the joining section
Connect the antiseepage film or the permeable membrane.
2. underground anti-seepage film according to claim 1 plugs connector, which is characterized in that the two sides of the opening are respectively equipped with
The slot extended to the first slip casting chamber interior, the adaptation construction section includes the installation for being divided into the plugging member two sides
Arm, the installing arm activity are inserted in the slot, and the antiseepage film or the permeable membrane are located in the outer wall of the slot
Between the joining section.
3. underground anti-seepage film according to claim 2 plugs connector, which is characterized in that the adaptation construction section and the limit
It is connected with each other between the section of position by extension, water-swellable is equipped between the extension and the inner wall of the first slip casting chamber
Body limits the plugging member in the width of the joint body by the side that the water-swellable body presses the extension
It spends on direction to generate and shakes or be displaced.
4. underground anti-seepage film according to claim 3 plugs connector, which is characterized in that the water-swellable body be meet water by
Walk the circle or rectangular rubber stick of expansion.
5. underground anti-seepage film according to claim 3 plugs connector, which is characterized in that the installing arm is linearly or three
Angular shape, the shape adaptation of the shape of the wall extension of the slot and the installing arm, the adaptation construction section and the limit
The thickness of position section is greater than the joining section and the extension.
6. underground anti-seepage film according to any one of claims 1 to 5 plugs connector, which is characterized in that the joint body
Two sides are respectively equipped with the slip casting slot unit of symmetrical two and the plugging member, and then the two sides of the joint body
End is respectively provided with two openings, is equipped with built-in slip casting pipe in the second slip casting chamber of each slip casting slot unit.
7. a kind of underground anti-seepage film plugs connection construction method, which comprises the following steps:
Multiple underground anti-seepage film plug connectors as described in claim 1 are provided；
The plugging member is installed in the slip casting slot unit by the cross section transverse plug of the joint body；
Antiseepage film or permeable membrane are protruded into the slip casting slot unit from the opening of the single joint body side；
The antiseepage film or the permeable membrane are connected to the joining section；
To slip casting in the slip casting slot unit, by the press of external force caused by the slip casting clamp the side of the plugging member into
And limit the plugging member and generate shaking or displacement in the width direction of the joint body, until by the slip casting slot unit
It fills, and is solidified to slip casting；
It repeats the above steps, connects multiple antiseepage films or infiltration until plugging connector by multiple underground anti-seepage films and enclosing
Film.
8. underground anti-seepage film according to claim 7 plugs connection construction method, which is characterized in that from the installation plug
The step of part to the step of connection antiseepage film or the permeable membrane, specifically includes following procedure:
The slot extended in the oriented joint body is respectively formed in the two sides of the opening；
The plugging member includes joining section, adaptation construction section and limit section, and the joining section is extended institute by the opening
Joint body is stated, the adaptation construction section is bent and then forms the installing arm for being divided into the plugging member two sides, by the peace
Dress arm activity is inserted in the slot, and the limit section is arranged in the first slip casting chamber and the second slip casting chamber
Conducting at；
The antiseepage film or the permeable membrane are located between the outer wall of the slot and the joining section；
The antiseepage film or the permeable membrane are fitted closely to surface and the mutual welding in the joining section.
9. underground anti-seepage film according to claim 8 plugs connection construction method, which is characterized in that the slip casting slot list
First slip casting is until slip casting includes following procedure the step of solidification:
Built-in slip casting pipe is set in the second slip casting chamber of each slip casting slot unit, by the built-in slip casting pipe to institute
The first slip casting chamber and the second slip casting chamber slip casting are stated, passes through extension between the adaptation construction section and the limit section
Section is connected with each other, and water-swellable body is arranged between the extension and the inner wall of the first slip casting chamber, passes through after slip casting
Itself expansion press of the water-swellable body clamps the side of the plugging member.
10. plugging connection construction method according to any underground anti-seepage film of claim 7 to 9, which is characterized in that provide institute
The step of stating antiseepage film plug connector includes following procedure:
The slip casting slot unit of symmetrical two and plugging member, Jin Eryu are respectively formed in the two sides of the joint body
The two side ends of the joint body are respectively formed two openings, so that multiple antiseepage films or permeable membrane head and the tail connect
It is connected to the antiseepage film plug connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810830501.0A CN109056838A (en) | 2018-07-26 | 2018-07-26 | Underground anti-seepage film plugs connector and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810830501.0A CN109056838A (en) | 2018-07-26 | 2018-07-26 | Underground anti-seepage film plugs connector and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109056838A true CN109056838A (en) | 2018-12-21 |
Family
ID=64835484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810830501.0A Pending CN109056838A (en) | 2018-07-26 | 2018-07-26 | Underground anti-seepage film plugs connector and its construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109056838A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826237A (en) * | 2019-02-11 | 2019-05-31 | 中国水电基础局有限公司 | A kind of tooling and method using HDPE film piece construction composite anti-penetrating diaphram wall |
| CN110042871A (en) * | 2019-04-24 | 2019-07-23 | 内蒙古大雁矿业集团有限责任公司 | The laying apparatus and laying method of antiseepage film |
| CN110284527A (en) * | 2019-07-01 | 2019-09-27 | 上海远方基础工程有限公司 | Underground anti-seepage connector and underground anti-seepage device |
| CN110284528A (en) * | 2019-07-01 | 2019-09-27 | 上海远方基础工程有限公司 | Underground anti-seepage film connector and underground anti-seepage film attachment device |
| CN110284526A (en) * | 2019-07-01 | 2019-09-27 | 上海远方基础工程有限公司 | Underground anti-seepage jointing and underground anti-seepage attachment device |
| CN110468851A (en) * | 2019-09-02 | 2019-11-19 | 天津市环境保护技术开发中心设计所 | A kind of support unit, underground water emergency processing antiseepage weir and its construction method |
| CN114439048A (en) * | 2022-02-08 | 2022-05-06 | 煜环环境科技有限公司 | Anti-seepage structure for polluted site and construction method |
| CN114753394A (en) * | 2022-05-07 | 2022-07-15 | 中国水电基础局有限公司 | Double-layer HDEP (high-density polyethylene) membrane locking joint connecting device and using method |
| CN115573343A (en) * | 2022-11-04 | 2023-01-06 | 华北有色工程勘察院有限公司 | Anti-seepage film laying device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109826237A (en) * | 2019-02-11 | 2019-05-31 | 中国水电基础局有限公司 | A kind of tooling and method using HDPE film piece construction composite anti-penetrating diaphram wall |
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| CN110042871A (en) * | 2019-04-24 | 2019-07-23 | 内蒙古大雁矿业集团有限责任公司 | The laying apparatus and laying method of antiseepage film |
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| CN110468851A (en) * | 2019-09-02 | 2019-11-19 | 天津市环境保护技术开发中心设计所 | A kind of support unit, underground water emergency processing antiseepage weir and its construction method |
| CN114439048A (en) * | 2022-02-08 | 2022-05-06 | 煜环环境科技有限公司 | Anti-seepage structure for polluted site and construction method |
| CN114439048B (en) * | 2022-02-08 | 2024-02-27 | 煜环环境科技有限公司 | Anti-seepage structure for polluted site and construction method |
| CN114753394A (en) * | 2022-05-07 | 2022-07-15 | 中国水电基础局有限公司 | Double-layer HDEP (high-density polyethylene) membrane locking joint connecting device and using method |
| CN115573343A (en) * | 2022-11-04 | 2023-01-06 | 华北有色工程勘察院有限公司 | Anti-seepage film laying device and method |
| CN115573343B (en) * | 2022-11-04 | 2023-08-29 | 华北有色工程勘察院有限公司 | Seepage-proofing film laying device and laying method |
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