CN207143911U - A kind of honeycomb seal mechanism and honeycomb seal device for vertical soft barrier system connection - Google Patents
A kind of honeycomb seal mechanism and honeycomb seal device for vertical soft barrier system connection Download PDFInfo
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- CN207143911U CN207143911U CN201721135990.5U CN201721135990U CN207143911U CN 207143911 U CN207143911 U CN 207143911U CN 201721135990 U CN201721135990 U CN 201721135990U CN 207143911 U CN207143911 U CN 207143911U
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- honeycomb seal
- font structures
- barrier system
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- cavity
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Abstract
The utility model provides a kind of honeycomb seal mechanism and honeycomb seal device for vertical soft barrier system connection, including expansion water-stop pad, HDPE geomembranes and connector, connector includes an inverted L shape structure and more than two T font structures, more than two T font structures are installed successively close to the edge of HDPE geomembranes, inverted L shape structure is installed close to the T font structures at the edge farthest away from HDPE geomembranes, and its immediate T font structures are pointed in the direction of the crotch of inverted L shape structure；Mounting groove is formed between adjacent T font structures and inverted L shape structure T font structures adjacent thereto, the bottom land of mounting groove is provided with the first cavity, the one end of T font structures away from HDPE geomembranes is provided with the second cavity, when two pieces of HDPE geomembranes complement each other to form sealing structure, first cavity and the second cavity cooperatively form installation cavity, and expansion water-stop pad is installed in installation cavity.It is simple in construction, the corrosion of pollutant can be resisted, service life length, permanent seal can be carried out.
Description
Technical field
It the utility model is related to environmental improvement and the water of the contaminated sites such as petrochemical industry, ore mining smelting, solid waste disposal
Sharp technical field of construction, in particular to a kind of honeycomb seal mechanism and porous for vertical soft barrier system connection
Sealing device.
Background technology
Requirement of the people for living environment with economy develop rapidly, the quickening of industrialization and urbanization process and get over
Come higher, but MSW yield also drastically increases therewith.But at present because solid waste is stored up for a long time and
Some rubbish simple dumping sites, nonstandard refuse landfill have occurred and that pollution seepage.Vertical barrier system is that closure is harmful
The most quick and safest method of underground liquid stream, using the teaching of the invention it is possible to provide directly protect the guarantee with blocking for a long time.
Inventor has found that existing vertical barrier system at least has the following disadvantages under study for action：Existing vertical barrier
System architecture is complicated, installation trouble.
Utility model content
The purpose of this utility model is to provide a kind of honeycomb seal mechanism for vertical soft barrier system connection, with
Improve the problem of existing vertical barrier system architecture is complicated, and installation is troublesome.
The purpose of this utility model is to provide a kind of honeycomb seal device, to improve existing vertical barrier system architecture
Complexity, be installed the problem of troublesome.
What the utility model was realized in：
Based on the first above-mentioned purpose, the utility model provides a kind of for the porous of vertical soft barrier system connection
Sealing mechanism, including expansion water-stop pad, HDPE geomembranes and connector, the connector include an inverted L shape structure and two
T font structures above, more than two T font structures are installed successively close to the edge of the HDPE geomembranes, described
Inverted L shape structure is installed close to the T font structures at the edge farthest away from the HDPE geomembranes, and the inverted L shape structure
Point to its immediate T font structures in the direction of crotch；The T font structures are vertically arranged with the HDPE geomembranes,
Mounting groove is formed between the adjacent T font structures and inverted L shape structure T font structures adjacent thereto, it is described
The bottom land of mounting groove is provided with the first cavity, and it is empty that the one end of the T font structures away from the HDPE geomembranes is provided with second
Chamber, the connector on every piece of HDPE geomembrane and the connector phase interworking on another piece of HDPE geomembrane
When conjunction forms sealing structure, first cavity cooperatively forms installation cavity, the expansion water-stop pad installation with second cavity
In in the installation cavity.
The honeycomb seal mechanism for vertical soft barrier system connection that the present embodiment provides is pacified by expansion water-stop pad
After in installation cavity, expansion water-stop pad can allow T font structures to have the trend being located remotely from each other, but because T font structures are
Mutual clamping, therefore, upper two T font structures positioned at two HDPE geomembranes can be more anxious tighter respectively, the connection of enhancing
Sealing, it is this for vertical soft barrier system connection honeycomb seal mechanism structure it is simple, it is easy to operate, can be persistently close
Envelope.
Further, the circular in cross-section of the installation cavity.
The enhanced convenience so when installing expansion water-stop pad.
Further, the size of first cavity is identical with the size of second cavity.
First cavity and the second cavity are symmetrical set, after expansion water-stop pad is put into installation cavity, expansion water-stop pad
Sealing more uniform to the extruding force of HDPE geomembranes and T font structures, that convenient progress can be lasting.
Further, the T font structures include vertical component effect and parallel portion, and the vertical component effect hangs down with the HDPE geomembranes
Straight to set, the parallel portion be arranged in parallel with the HDPE geomembranes, and one end of the vertical component effect connects with the HDPE geomembranes
Connect, the parallel portion is installed on the one end of the vertical component effect away from the HDPE geomembranes, and second cavity is positioned at described flat
Side of the row portion away from the vertical component effect, the length of the vertical component effect are more than the thickness of the parallel portion.
So after two HDPE geomembranes are installed, there is certain movable space between two HDPE geomembranes,
That is some slight movements can also be carried out between two HDPE geomembranes, can be conveniently adjusted, meanwhile, so installing
Also enhanced convenience is light when expansion water-stop pads.
Further, the distance between adjacent described T font structures and the inverted L shape structure and the T fonts it
Between distance be more than the vertical component effect width.
After two HDPE geomembranes are installed, it can be finely adjusted, by expansion water-stop pad to two HDPE geomembranes
Positioned and fixed.
Further, the honeycomb seal mechanism for vertical soft barrier system connection includes two connections
Part, two connectors are connected with the HDPE geomembranes respectively, and two connectors are respectively positioned at HDPE geotechniques
In two non-coplanar planes of film.
When installing the honeycomb seal mechanism for being used for vertical soft barrier system connection in the utility model, first by first
Block HDPE geomembrane skewers enter branch stake tool, and first piece of HDPE geomembrane is directly placed into the waterproof of soil layer together with branch stake tool
Layer (for example trench is first excavated, until pervious bed, then be implanted into HDPE geomembranes together with branch stake tool by the mode that gravity declines
Pervious bed), first piece of HDPE geomembrane is laid after fixing, then second piece of HDPE geomembrane skewer is entered into another support work
Tool, the connector on second piece of HDPE geomembrane is directed at the connector on first piece of HDPE geomembrane, and cause every
Bar expansion water-stop pad is directed at an installation cavity, with the mode that gravity is put into that second piece of HDPE geomembrane is direct together with branch stake tool
It is placed to the impermeable stratum of soil layer, the connector on so adjacent two pieces of HDPE geomembranes links closely mutually；Described in installation nth block
During HDPE geomembranes, by that analogy；Polylith HDPE geomembranes are tightly connected by sealing device forms vertical soft barrier film wall.
Further, two connectors are located in two relative planes of the HDPE geomembranes respectively.
So enhanced convenience, the situation for avoiding interfering occur when mounted.
Further, the connector is connected by the way of sweat soldering with the HDPE geomembranes.
So process more convenient, and structure is more firm, can carry out lasting connection and closing.
Further, the expansion water-stop pad is made up of the material that can be expanded.
Expansive expansion water-stop pad is to the sealing of the honeycomb seal mechanism connected for vertical soft barrier system
More preferably.
Based on the second above-mentioned purpose, the utility model additionally provides a kind of honeycomb seal device, including as described above
Honeycomb seal mechanism for vertical soft barrier system connection.
Honeycomb seal device provided by the utility model is included as described above for vertical soft barrier system connection
Honeycomb seal mechanism, it is simple in construction, it is easy to operate, permanent seal can be carried out.
Compared with prior art, the beneficial effect of the utility model realization is：
The honeycomb seal mechanism for vertical soft barrier system connection that the present embodiment provides is pacified by expansion water-stop pad
After in installation cavity, expansion water-stop pad can allow T font structures to have the trend being located remotely from each other, but because T font structures are
Mutual clamping, therefore, upper two T font structures positioned at two HDPE geomembranes can be more anxious tighter respectively, the connection of enhancing
Sealing, it is this for vertical soft barrier system connection honeycomb seal mechanism structure it is simple, it is easy to operate, can be persistently close
Envelope, it is convenient to carry out environmental improvement, contribute to the implementation of hydraulic engineering.
Honeycomb seal device provided by the utility model is included as described above for vertical soft barrier system connection
Honeycomb seal mechanism, it is simple in construction, it is easy to operate, permanent seal can be carried out.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Required practical accompanying drawing is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
Accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creative labor
On the premise of dynamic, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the honeycomb seal machine for being used for vertical soft barrier system connection that the utility model embodiment 1 provides
The schematic diagram of structure；
Fig. 2 shows the schematic diagram for the connector that the utility model embodiment 1 provides；
Fig. 3 shows the schematic diagram for the installation cavity that the utility model embodiment 1 provides；
Fig. 4 shows the schematic diagram for the T font structures that the utility model embodiment 1 provides；
Fig. 5 shows the honeycomb seal machine for being used for vertical soft barrier system connection that the utility model embodiment 2 provides
The schematic diagram of structure.
In figure：101-HDPE geomembranes；102- connectors；103- expansion water-stop pads；104-T font structures；105- inverted L shapes
Structure；106- mounting grooves；The cavitys of 107- first；The cavitys of 108- second；109- installation cavitys；110- vertical component effects；111- parallel portions.
Embodiment
Requirement of the people for living environment with economy develop rapidly, the quickening of industrialization and urbanization process and get over
Come higher, but MSW yield also drastically increases therewith.But at present because solid waste is stored up for a long time and
Some rubbish simple dumping sites, nonstandard refuse landfill have occurred and that pollution seepage.Vertical barrier system is that closure is harmful
The most quick and safest method of underground liquid stream, using the teaching of the invention it is possible to provide directly protect the guarantee with blocking for a long time.Inventor
Find under study for action, existing vertical barrier system at least has the following disadvantages：Existing vertical barrier system architecture is complicated, peace
Dress trouble.
The utility model is described in further detail below by specific examples of the implementation and with reference to accompanying drawing.
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, above in conjunction with the utility model
Accompanying drawing in embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of of the present utility model embodiment of the above to providing in the accompanying drawings is not intended to limit requirement
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In description of the present utility model, it is to be understood that the term of indicating position or position relationship is based on accompanying drawing
Shown orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply institute
The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality
With new limitation.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or integrally；Can be mechanical connection or electricity
Connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two element internals connection or two
The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Directly over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is special second
Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level
Highly it is less than second feature.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
Embodiment 1
Referring to figs. 1 to Fig. 4, a kind of honeycomb seal machine for vertical soft barrier system connection is present embodiments provided
Structure, including expansion water-stop pad 103, HDPE geomembranes 101 and connector 102, connector 102 include a He of inverted L shape structure 105
More than two T font structures 104, more than two T font structures 104 are installed successively close to the edge of HDPE geomembranes 101,
Inverted L shape structure 105 is installed close to the T font structures 104 at the edge farthest away from HDPE geomembranes 101, and inverted L shape structure 105
Point to its immediate T font structures 104 in the direction of crotch；T font structures 104 and HDPE geomembranes 101 are vertically arranged, adjacent
T font structures 104 and the T font structures 105 adjacent thereto of inverted L shape structure 105 between form mounting groove 106, mounting groove 106
Bottom land be provided with the first cavity 107, the one end of T font structures 104 away from HDPE geomembranes 101 is provided with the second cavity 108,
Connector 102 on every piece of HDPE geomembrane 101 complements each other to form with the connector 102 on another piece of HDPE geomembrane 101
During sealing structure, the first cavity 107 and the second cavity 108 cooperatively form installation cavity 109, and expansion water-stop pad 103 is installed on installation
In chamber 109.
What the present embodiment provided is used for the honeycomb seal mechanism of vertical soft barrier system connection by expansion water-stop pad 103
After in installation cavity 109, expansion water-stop pad 103 can allow T font structures 104 to have the trend being located remotely from each other, but due to T
Font structure 104 is mutual clamping, therefore, respectively positioned at upper two T font structures 104 meeting of two HDPE geomembranes 101
It is more anxious tighter, the sealing of the connection of enhancing, this honeycomb seal mechanism structure letter for vertical soft barrier system connection
It is single, it is easy to operate, can permanent seal.
The circular in cross-section of installation cavity 109.The enhanced convenience so when installing expansion water-stop pad 103.
The size of first cavity 107 is identical with the size of the second cavity 108.First cavity 107 and the second cavity 108 are in pair
Claim to set, after expansion water-stop pad 103 is put into installation cavity 109, expansion water-stop pads 103 pairs of HDPE geomembranes 101 and T fonts
The extruding force of structure 104 is more uniform, the sealing that convenient progress can be lasting.
T font structures 104 include vertical component effect 110 and parallel portion 111, and vertical component effect 110 is vertical with HDPE geomembranes 101 to be set
Put, parallel portion 111 and HDPE geomembranes 101 are be arranged in parallel, and one end of vertical component effect 110 is connected with HDPE geomembranes 101, parallel portion
111 are installed on the one end of vertical component effect 110 away from HDPE geomembranes 101, and the second cavity 108 is located at parallel portion 111 away from vertical component effect
110 side, the length of vertical component effect 110 are more than the thickness of parallel portion 111.So installed by two HDPE geomembranes 101
Afterwards, there is certain movable space between two HDPE geomembranes 101, be i.e. can also be carried out between two HDPE geomembranes 101
Some slight movements, can conveniently it be adjusted, meanwhile, so when installing expansion water-stop pad 103, also enhanced convenience is light
Pine.
The distance between the distance between adjacent T font structures 104 and inverted L shape structure 105 and T fonts are more than vertical
The width in portion 110.It after two HDPE geomembranes 101 are installed, can be finely adjusted, 103 pairs two are padded by expansion water-stop
HDPE geomembranes 101 are positioned and fixed.
Connector 102 is connected by the way of sweat soldering with HDPE geomembranes 101.So process it is more convenient, and tie
Structure is more firm, can carry out lasting connection and closing.
Expansion water-stop pad 103 is made up of the material that can be expanded.Expansive expansion water-stop pads 103 pairs for vertical soft
Property barrier system connection honeycomb seal mechanism better tightness.
Embodiment 2
Reference picture 5, the present embodiment also provide a kind of simple conveyer for emptying warehouse, and the present embodiment is the technical scheme in embodiment 1
On the basis of further improvement, embodiment 1 describe technical scheme be equally applicable to the present embodiment, embodiment 1 is published
Technical scheme is not repeated to describe.
Specifically, the present embodiment and the difference of embodiment 1 are, what the present embodiment provided is used for vertical soft barrier system
The honeycomb seal mechanism of connection includes two connectors 102, and two connectors 102 are connected with HDPE geomembranes 101 respectively, two
Connector 102 is respectively in two non-coplanar planes of HDPE geomembranes 101.When install in the present embodiment be used for it is vertical soft
Property barrier system connection honeycomb seal mechanism when, first piece of skewer of HDPE geomembranes 101 is first entered into branch stake tool, by first piece
HDPE geomembranes 101 be directly placed to together with branch stake tool soil layer impermeable stratum (for example first excavate trench, until pervious bed,
HDPE geomembranes 101 are implanted into pervious bed together with branch stake tool by the mode that gravity declines again), by first piece of HDPE geomembrane
101 lay it is fixed after, then second piece of skewer of HDPE geomembranes 101 entered into another branch stake tool, make second piece of HDPE geomembrane 101
On connector 102 be directed at connector 102 on first piece of HDPE geomembrane 101, and cause every expansion water-stop to pad 103 pairs
An accurate installation cavity 109, soil is directly placed to the mode that gravity is put into by second piece of HDPE geomembrane 101 together with branch stake tool
The impermeable stratum of layer, the connector 102 on so adjacent two pieces of HDPE geomembranes 101 link closely mutually；In installation nth block HDPE soil
During work film 101, by that analogy；Polylith HDPE geomembranes 101 are tightly connected by sealing device forms vertical soft barrier film wall.
Two connectors 102 are respectively in two relative planes of HDPE geomembranes 101.So when mounted more
Convenient, the situation for avoiding interfering occurs.
Embodiment 3
The present embodiment additionally provides a kind of honeycomb seal device, including as above be used for vertical soft barrier system connection
Honeycomb seal mechanism.
The honeycomb seal device that the present embodiment provides is including as above for the porous close of vertical soft barrier system connection
Sealing mechanism, it is simple in construction, it is easy to operate, permanent seal can be carried out.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
1. it is a kind of for vertical soft barrier system connection honeycomb seal mechanism, it is characterised in that including expansion water-stop pad,
HDPE geomembranes and connector, the connector include an inverted L shape structure and more than two T font structures, two or more
The T font structures installed successively close to the edge of the HDPE geomembranes, the inverted L shape structure is close to farthest away from described
The T font structures installation at the edge of HDPE geomembranes, and the direction sensing of the crotch of the inverted L shape structure is its immediate
The T font structures；The T font structures are vertically arranged with the HDPE geomembranes, adjacent T font structures and described
Mounting groove is formed between the inverted L shape structure T font structures adjacent thereto, the bottom land of the mounting groove is provided with the first sky
Chamber, the one end of the T font structures away from the HDPE geomembranes are provided with the second cavity, on every piece of HDPE geomembrane
When the connector complements each other to form sealing structure with the connector on another piece of HDPE geomembrane, described first
Cavity cooperatively forms installation cavity with second cavity, and the expansion water-stop pad is installed in the installation cavity.
2. the honeycomb seal mechanism according to claim 1 for vertical soft barrier system connection, it is characterised in that institute
State the circular in cross-section of installation cavity.
3. the honeycomb seal mechanism according to claim 2 for vertical soft barrier system connection, it is characterised in that institute
The size for stating the first cavity is identical with the size of second cavity.
4. the honeycomb seal mechanism according to claim 1 for vertical soft barrier system connection, it is characterised in that institute
Stating T font structures includes vertical component effect and parallel portion, and the vertical component effect is vertically arranged with the HDPE geomembranes, the parallel portion with
The HDPE geomembranes are be arranged in parallel, and one end of the vertical component effect is connected with the HDPE geomembranes, and the parallel portion is installed on
The one end of the vertical component effect away from the HDPE geomembranes, second cavity are located at the parallel portion away from the vertical component effect
Side, the length of the vertical component effect are more than the thickness of the parallel portion.
5. the honeycomb seal mechanism according to claim 4 for vertical soft barrier system connection, it is characterised in that phase
The distance between the distance between adjacent described T font structures and the inverted L shape structure and described T fonts are more than described vertical
The width in portion.
6. the honeycomb seal mechanism according to claim 1 for vertical soft barrier system connection, it is characterised in that institute
State includes two connectors, two connector difference for the honeycomb seal mechanism of vertical soft barrier system connection
It is connected with the HDPE geomembranes, two connectors are respectively in two non-coplanar planes of the HDPE geomembranes.
7. the honeycomb seal mechanism according to claim 6 for vertical soft barrier system connection, it is characterised in that two
The individual connector is respectively in two relative planes of the HDPE geomembranes.
8. the honeycomb seal mechanism according to claim 1 for vertical soft barrier system connection, it is characterised in that institute
Connector is stated to be connected with the HDPE geomembranes by the way of sweat soldering.
9. the honeycomb seal mechanism according to claim 1 for vertical soft barrier system connection, it is characterised in that institute
Expansion water-stop pad is stated to be made up of the material that can be expanded.
10. a kind of honeycomb seal device, it is characterised in that including being used for vertical flexibility as described in any one of claim 1 to 9
The honeycomb seal mechanism of barrier system connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135990.5U CN207143911U (en) | 2017-09-06 | 2017-09-06 | A kind of honeycomb seal mechanism and honeycomb seal device for vertical soft barrier system connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135990.5U CN207143911U (en) | 2017-09-06 | 2017-09-06 | A kind of honeycomb seal mechanism and honeycomb seal device for vertical soft barrier system connection |
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| Publication Number | Publication Date |
|---|---|
| CN207143911U true CN207143911U (en) | 2018-03-27 |
Family
ID=61677730
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135990.5U Active CN207143911U (en) | 2017-09-06 | 2017-09-06 | A kind of honeycomb seal mechanism and honeycomb seal device for vertical soft barrier system connection |
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| CN (1) | CN207143911U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610490A (en) * | 2018-12-24 | 2019-04-12 | 北京高能时代环境技术股份有限公司 | A kind of slip casting structure and grouting process for flexible vertical barrier wall lock position sealing |
| CN110528595A (en) * | 2019-08-09 | 2019-12-03 | 光大环境修复(江苏)有限公司 | A kind of barrier closure member and Polluted area is carried out to obstruct closed method |
| CN113431098A (en) * | 2021-05-29 | 2021-09-24 | 镇江市规划勘测设计集团有限公司 | Geomembrane composite antifouling barrier with grouting type lock catch |
-
2017
- 2017-09-06 CN CN201721135990.5U patent/CN207143911U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610490A (en) * | 2018-12-24 | 2019-04-12 | 北京高能时代环境技术股份有限公司 | A kind of slip casting structure and grouting process for flexible vertical barrier wall lock position sealing |
| CN110528595A (en) * | 2019-08-09 | 2019-12-03 | 光大环境修复(江苏)有限公司 | A kind of barrier closure member and Polluted area is carried out to obstruct closed method |
| CN113431098A (en) * | 2021-05-29 | 2021-09-24 | 镇江市规划勘测设计集团有限公司 | Geomembrane composite antifouling barrier with grouting type lock catch |
| WO2022252315A1 (en) * | 2021-05-29 | 2022-12-08 | 江苏科技大学 | Geomembrane composite anti-fouling barrier having grouted lock catch |
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