CN109797779A - A kind of joint connection and its method of the compound HDPE film piece of self-hardening slurry diaphragm wall - Google Patents
A kind of joint connection and its method of the compound HDPE film piece of self-hardening slurry diaphragm wall Download PDFInfo
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- CN109797779A CN109797779A CN201910152197.3A CN201910152197A CN109797779A CN 109797779 A CN109797779 A CN 109797779A CN 201910152197 A CN201910152197 A CN 201910152197A CN 109797779 A CN109797779 A CN 109797779A
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- 229920006262 high density polyethylene film Polymers 0.000 title claims abstract description 107
- 239000002002 slurry Substances 0.000 title claims abstract description 31
- 150000001875 compounds Chemical class 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 66
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 28
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000010586 diagram Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 239000003755 preservative agent Substances 0.000 description 5
- 230000002335 preservative effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 210000004243 sweat Anatomy 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses the joint connection and its method of a kind of compound HDPE film piece of self-hardening slurry diaphragm wall, the joint connection includes: the first Membrane cover of the first HDPE film piece；Second Membrane cover of the 2nd NDPE diaphragm；For connecting the HDPE film piece connector of first Membrane cover and second Membrane cover, so that the first HDPE film piece and the 2nd HDPE are linked together.Present invention dramatically increases the use depth of HDPE film piece being vertically laid with.
Description
Technical field
The present invention relates to continuous for engineering fields, in particular to a kind of self-hardening slurries such as building, mine, water conservancy and environment
The joint connection and its method of the compound HDPE film piece of wall.
Background technique
The antiseepage that self-hardening slurry diaphram wall has been widely used in above-mentioned field, which is cut, seeps control engineering, is particularly suitable for ground
Lower water level height, the givey Special section of the soft appearance in stratum or the biggish salt lake of underground water specific gravity or again chemical environment area
Seepage prevention system building.
The general infiltration coefficient of self-hardening slurry diaphragm wall is unable to satisfy pollutant isolation etc. in 10-8m/s and requires higher ring
Border, and self-hardening slurry wall, since intensity is in 1MPa or so, the lower ability for resisting chemical erosion of intensity is poor, individual self-solidifying
The durability of mortar diaphram wall is sometimes difficult to meet the requirement under specified conditions.
HDPE film piece is now widely used for the engineering fields such as domestic building, mine, water conservancy and environment, as antiseepage or
Buffer action has extraordinary corrosion resistance and ductility, and mature production thickness reaches 3mm at home, and breadth is more than 6 meters
HDPE antiseepage film, be widely used in the engineering fields such as outdoor refuse landfill.
It is current external more and more using HDPE film and self-hardening slurry building composite anti-penetrating diaphram wall, for permanent
The underground water of engineering fields and the seepage control engineering of pollutant such as building, mine, water conservancy and environment, meet 10-11m/s or less more
Small permeability and better life requirement.
The building key of HDPE film and self-hardening slurry building composite anti-penetrating diaphram wall is HDPE film piece to be realized certainly
Vertical continuous in solidifying mortar slot is laid with, and is had the following problems:
(1) the external more satisfactory connection type of is using the connection lock of multimachine coextrusion process production HDPE film, but technique
Equipment and product are expensive, such as United States Patent (USP) US005497097A,.
(2) country, which generallys use increase diaphragm and is laid with, has a common boundary length, that is, increases the mode of penetration route to realize HDPE film
The connection of piece, there is laying depth can only be confined within the scope of smaller depth, and due to not constraining and contacting between diaphragm,
Existing interval increases, and durability and Reliability Assurance degree are poor.
(3) the overlap joint diaphragm waste of the domestic usually construction method of is more, and then affects higher in some standard requirements
The application of field such as environment protection field.
Summary of the invention
The object of the present invention is to provide a kind of joint connection of compound HDPE film of self-hardening slurry diaphragm wall and its sides
Method.
A kind of joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall of the invention includes:
First Membrane cover of the first HDPE film piece；
Second Membrane cover of the 2nd NDPE diaphragm；
The HDPE film piece connector of first Membrane cover and second Membrane cover is connected, so as to by the first HDPE film piece and
Two HDPE link together.
Preferably, the HDPE connector includes: made of steel plate by upper junction plate 1a, lower connecting plate 1c and positioned at upper
The I-shaped frame body 1 that riser 1b between connecting plate and lower connecting plate is constituted；
It is welded on first side plate in lower connecting plate side (such as Fig. 1 a and the left side Fig. 1 b)；
The first deep floor being welded on the outside of the first side plate, first deep floor are connect with lower connecting plate；
It is welded on second side plate on the lower connecting plate other side (such as Fig. 1 a and the right side Fig. 1 b)；
The second deep floor being welded on the outside of the second side plate, second deep floor are connect with lower connecting plate.
Preferably, the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall according to claim 1,
In, the HDPE connector includes:
It is made of made of steel plate upper junction plate, lower connecting plate and the riser between upper junction plate and lower connecting plate
I-shaped frame body 1；
It is welded on first side plate in lower connecting plate side (such as Fig. 1 a and the left side Fig. 1 b)；
The first deep floor being welded on the outside of the first side plate, first deep floor are connect with lower connecting plate；
It is welded on the second side plate (being located on the right side of Fig. 1 b) of the side upper junction plate 1a, first side plate and described second side
Plate is symmetrically distributed in the riser two sides；
The second deep floor being welded on the outside of the second side plate, second deep floor are connect with upper junction plate.
Preferably, first Membrane cover and the second Membrane cover, which are thermally welded, connects in the first end HDP E and the 2nd end HDPE.
Preferably, the first Membrane cover of the first HDPE film piece is mounted to surrounded by first side plate and riser
In one space；Second Membrane cover of the second HDPE film piece is mounted to the second space surrounded by second side plate and riser
In.
In one embodiment, the first Membrane cover is mounted in the first space surrounded by first side plate and riser
Afterwards, the first HDPE film piece is parallel to the upper junction plate, and does not overlap the upper junction plate；Second Membrane cover 7b is mounted to
After in the second space surrounded by second side plate and riser, the second HDPE film piece is parallel to the upper junction plate, and
The upper junction plate is not overlapped.
In another embodiment, the first Membrane cover is mounted in the first space surrounded by first side plate and riser
Afterwards, the first HDPE film piece forms the overlap joint with the upper junction plate from the top in the first space；Second Membrane cover is mounted to
After in the second space surrounded by second side plate and riser, the second HDPE film piece from the lower part of second space formed with
The overlap joint of the lower connecting plate.
In yet another embodiment, the first Membrane cover is mounted in the first space surrounded by first side plate and riser
Afterwards, the first HDPE film piece forms the overlap joint with upper junction plate from the top in the first space；Second Membrane cover is mounted to by institute
After stating in the second space that the second side plate and riser surround, the second HDPE film piece is formed and lower company from the top of second space
The overlap joint of fishplate bar.
The joint connection of the compound HDPE film of self-hardening slurry diaphragm wall of the invention further includes being separately mounted to described
Membrane cover supporting element in one Membrane cover and the second Membrane cover.
Compared with the existing technology, advantageous effects of the invention include:
(1) existing hot melt is used only with common fashioned iron and steel plate processing jointing and its attachment, HDPE film piece
Welding, cost do not obviously increase；
(2) be applicable in Depth Expansion can be implemented to the range using crane crane capacity, greatly increases HDPE film and vertically spreads
If use depth, expand application field；
(3) by the preservative treatment or layout appropriate to workpiece, the height of self-hardening slurry and HDPE film piece system is durable
Property and reliability are guaranteed；
(4) be external HDPE film piece interlocking product ideal alternative, and joint seepage paths is longer, but provides higher
Anti-seepage standard.
Structure of the invention, principle and effect are described in detail with specific embodiment with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 a is the schematic diagram of the connector first embodiment of HDPE film strip terminal attachment device of the invention；
Fig. 1 b is the schematic diagram of the connector second embodiment of HDPE film strip terminal attachment device of the invention；
Fig. 2 is the schematic diagram for showing HDPE film piece Membrane cover of the invention；
Fig. 3 a is the schematic diagram of the first embodiment of HDPE film strip terminal attachment device of the invention；
Fig. 3 b is the schematic diagram of the second embodiment of HDPE film strip terminal attachment device of the invention；
Fig. 4 a is the schematic diagram of the 3rd embodiment of HDPE film strip terminal attachment device of the invention；
Fig. 4 b is the schematic diagram of the fourth embodiment of HDPE film strip terminal attachment device of the invention；
Fig. 5 a is the schematic diagram of the 5th embodiment of HDPE film strip terminal attachment device of the invention；
Fig. 5 b is the schematic diagram of the sixth embodiment of HDPE film strip terminal attachment device of the invention.
Description of symbols: 1-HDPE connecting member for membrane；1a- upper junction plate；1b- riser；The second connecting plate of 1c-；The side 2-
Plate；3- reinforces floor；4- Membrane cover supporting element；5-HDPE diaphragm plate；6-HDPE welding；The first Membrane cover of 7a-, the second Membrane cover of 7b-.
Specific embodiment
The compound HDPE film technology of self-hardening slurry diaphragm wall is a kind of opening using cement bentonite slurry as underground tank section
It digs and stablizes mud in the process, HDPE film piece is vertically divided into after the completion of excavating clear bottom, passes through specifically tiling or mutual between diaphragm
The lap connection of lock forms the Complex subsurface diaphragm wall technique of self-hardening slurry and HDPE film piece after the mud solidification in slotted hole.
As Figure 1-Figure 2, the joint connection of the compound HDPE film piece of a kind of self-hardening slurry diaphragm wall of the invention, packet
It includes: the first Membrane cover 7a of the first HDPE film piece；Second Membrane cover 7b of the 2nd NDPE diaphragm；For connecting first Membrane cover and institute
The HDPE film piece connector of the second Membrane cover is stated, so that the first HDPE film piece and the 2nd HDPE link together.
As shown in Figure 1, in one embodiment, HDPE connector of the invention includes: made of steel plate by upper connection
The I-shaped frame body 1 that plate 1a, lower connecting plate 1c and the riser 1b between upper junction plate 1a and lower connecting plate 1c are constituted；Welding
The first side plate (side plate as being located at figure 1A left side) in lower connecting plate side；The first ribs being welded on the outside of the first side plate
Plate 3, first deep floor are connect with lower connecting plate 1c；The second side plate for being welded on the other side lower connecting plate 1c (is such as located at
Side plate on the right side of Fig. 1 a)；The second deep floor being welded on the outside of the second side plate, second deep floor and lower connecting plate connect
It connects.
As shown in Fig. 2, in another embodiment, the HDPE connector includes: made of steel plate by upper junction plate
The I-shaped frame body 1 that 1a, lower connecting plate 1c and the riser 1b between upper junction plate 1a and lower connecting plate 1c are constituted；It is welded on
The first side plate of the side lower connecting plate 1c (as being located at the side plate on the left of Fig. 1 b)；The first ribs being welded on the outside of the first side plate
Plate 3, first deep floor are connect with lower connecting plate 1c；The second side plate of the side upper junction plate 1a is welded on (as being located at figure
Side plate on the right side of 1b), first side plate and second side plate are symmetrically distributed in the riser two sides；It is welded on the second side plate
Second deep floor 3 in outside, second deep floor are connect with upper junction plate.
A HDPE template shown in Fig. 2, the both ends that Fig. 2 diagrammatically illustrates HDPE template be welded with the first Membrane cover 7a and
Second Membrane cover 7b.It should be understood that the first Membrane cover 7a and the second Membrane cover 7b described in the application actually refers to two
Membrane cover in HDPE template is just able to achieve the connection of two templates in this way.Institute is connected by sweat soldering 6 in HDPE template end
State Membrane cover.
Referring to an example described in Fig. 3 a and Fig. 3 b, the first Membrane cover 7a of the first HDPE film piece is mounted to by the first side
In the first space that plate and riser surround；Second Membrane cover 7b of the second HDPE film piece be mounted to by second side plate and
In the second space that riser surrounds.The joint connection of the compound HDPE film of self-hardening slurry diaphragm wall of the invention further includes difference
It is mounted on Membrane cover supporting element 4 in the first Membrane cover 7a and the second Membrane cover 7b.
The difference of Fig. 3 a and Fig. 3 b are, in 3a, Membrane cover supporting element 4 is hollow square tube；In fig 3b, Membrane cover supporting element
For hollow circular-tube.
In Fig. 3 a and Fig. 3 b, the first Membrane cover 7a is mounted in the first space surrounded by first side plate and riser
Afterwards, the first HDPE film piece is parallel to the upper junction plate, and does not overlap the upper junction plate；Second Membrane cover 7b is mounted to
After in the second space surrounded by second side plate and riser, the second HDPE film piece is parallel to the upper junction plate, and
The upper junction plate is not overlapped.
Referring to fig. 4 in another embodiment shown in a and Fig. 4 b, the first Membrane cover 7a be mounted to by first side plate and
After in the first space that riser surrounds, the first HDPE film piece is formed from the top in the first space with the upper junction plate 1a's
Overlap joint；After second Membrane cover 7b is mounted in the second space surrounded by second side plate and riser, second HDPE film
Piece forms the overlap joint with the lower connecting plate 1c from the lower part of second space.
Referring to another example shown in Fig. 5 a and Fig. 5 b, the first Membrane cover 7a is mounted to by first side plate and riser
After in the first space surrounded, the first HDPE film piece forms the overlap joint with upper junction plate 1a from the top in the first space；The
After two Membrane cover 7b are mounted in the second space surrounded by second side plate and riser, the second HDPE film piece is from second
Overlap joint with lower connecting plate 1b is formed at the top in space.
Above content is described further below.
Referring to Fig. 1 a and Fig. 1 b, HDPE film strip terminal interlocks bridging arrangement, including one uses work steel steel, steel plate and steel plate
The piecing devices that the structure of supporting element secondary operation is connected as HDPE film blade unit, the both ends hot melt processing one of HDPE film piece
HDPE covers, and is packed on the hollow square tube of a corresponding size or round tube in HDPE set.
1) attachment device of steel construction
Being processed into band as shown in the figure using forming I-steel and steel plate, there are two vertical or centrosymmetric indent frameworks
Structure is considered as the scope that the present invention protects if concave inward structure deformation processing is triangle, circular configuration.
In order to guarantee the rigidity of frame structure, framework closes steel plate and the wing plate of I-steel welds, and is spaced setting branch
Triangular stall board is supportted, in order to avoid scratching diaphragm, above structure takes edging to handle.
In order to guarantee the corrosion resistance of above-mentioned steel construction, surface treatment and anti-corrosion measure can be increased.
2) HDPE film blade unit is processed
Referring to fig. 2, HDPE film piece maximum breadth has reached 7m, and thickness reaches 3mm, generallys use sweat soldering, HDPE film piece list
Member is welded on workbench, and end diaphragm is fixed by size overlapping, using double slit sweat soldering, forms Membrane cover.It is double
Seam weld is detected by HDPE welding standard, it is ensured that welding quality.
3) square tube or round tube that auxiliary is divided into
HDPE film piece needs to assemble the square tube or round tube of corresponding size in the Membrane cover of end before dividing into, material using steel,
HDPE or PVC, it is important to which the connection of length direction will have office to reach intensity.Assist the square tube divided into or round tube in self-hardening slurry
Cleaning can slowly be extracted before solidification out to reuse, referring to Fig. 3 a- Fig. 5 b.
HDPE film blade unit can be formed a variety of interlocking connection layouts, be had their own advantages by the attachment device of steel construction:
HDPE film blade unit interlocking layout I type, referring to Fig. 3 a and Fig. 3 b, HDPE film piece is straight at external one of interlock
On line, letter connects clear, but HDPE film piece is not carried out overlap joint in structure, and steel construction interlock preferably needs to do preservative treatment,
It is smaller by HDPE film piece infiltration lane.
HDPE film blade unit interlocking layout II type, a and Fig. 4 b, HDPE film set are matched referring to fig. 4 with interlock central symmetry
Set, HDPE film piece junction not point-blank, it is simple and clear, but HDPE film piece realizes overlap joint in structure, even if steel
Structural interlock device does not do preservative treatment, and HDPE film piece itself overlaps, by HDPE film piece infiltration lane longest.
HDPE film blade unit interlocking layout type III, referring to Fig. 5 a and Fig. 5 b, HDPE film set is matched so that interlock is asymmetric
Set, HDPE film piece junction not point-blank, but HDPE film piece realizes overlap joint in structure, even if steel construction interlocking dress
It sets and does not do preservative treatment, HDPE film piece itself overlaps, longer by HDPE film piece infiltration lane.
Apparatus of the present invention realize that using installation is divided under the technique of self-hardening slurry, it is continuous to construct the compound underground HDPE for HDPE film
Wall does not need additional special installation, has stronger operability, can satisfy very high anti-seepage standard.
In conclusion the invention has the following advantages that
(1) existing hot melt is used only with common fashioned iron and steel plate processing jointing and its attachment, HDPE film piece
Welding, cost do not obviously increase；
(2) be applicable in Depth Expansion can be implemented to the range using crane crane capacity, greatly increases HDPE film and vertically spreads
If use depth, expand application field；
(3) by the preservative treatment or layout appropriate to workpiece, the height of self-hardening slurry and HDPE film piece system is durable
Property and reliability are guaranteed；
(4) be external HDPE film piece interlocking product ideal alternative, and joint seepage paths is longer, but provides higher
Anti-seepage standard.
Although describing the invention in detail above, but the invention is not restricted to this, those skilled in the art of the present technique
It can be carry out various modifications with principle according to the present invention.Therefore, all to be modified according to made by the principle of the invention, all it should be understood as
Fall into protection scope of the present invention.
Claims (9)
1. a kind of joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall, comprising:
The first Membrane cover positioned at the first HDPE film piece end；
Positioned at the second Membrane cover of the 2nd NDPE membrane ends；
The HDPE film piece connector of first Membrane cover and second Membrane cover is connected, so as to by the first HDPE film piece and second
HDPE links together；
Wherein, the HDPE is high density polyethylene (HDPE).
2. the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall according to claim 1, wherein described
HDPE connector includes:
The work being made of made of steel plate upper junction plate, lower connecting plate and the riser between upper junction plate and lower connecting plate
Font frame body；
It is welded on the first side plate of lower connecting plate side；
The first deep floor being welded on the outside of the first side plate, first deep floor are connect with lower connecting plate；
It is welded on the second side plate of the lower connecting plate other side；
The second deep floor being welded on the outside of the second side plate, second deep floor are connect with lower connecting plate.
3. the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall according to claim 1, wherein described
HDPE connector includes:
The work being made of made of steel plate upper junction plate, lower connecting plate and the riser between upper junction plate and lower connecting plate
Font frame body；
It is welded on the first side plate of lower connecting plate side；
The first deep floor being welded on the outside of the first side plate, first deep floor are connect with lower connecting plate；
It is welded on the second side plate of upper junction plate side, first side plate and second side plate are symmetrically distributed in the riser
Two sides；
The second deep floor being welded on the outside of the second side plate, second deep floor are connect with upper junction plate.
4. the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall according to claim 1, wherein described
One Membrane cover and the second Membrane cover, which are thermally welded, to be connect in the first end HDP E and the 2nd end HDPE.
5. according to the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall described in claim 2 and 3, wherein institute
The first Membrane cover for stating the first HDPE film piece is mounted in the first space surrounded by first side plate and riser；Described second
Second Membrane cover of HDPE film piece is mounted in the second space surrounded by second side plate and riser.
6. the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall according to claim 5, wherein the first film
After set is mounted in the first space surrounded by first side plate and riser, the first HDPE film piece is parallel on described
Connecting plate, and the upper junction plate is not overlapped；Second Membrane cover 7b is mounted to second surrounded by second side plate and riser
After in space, the second HDPE film piece is parallel to the upper junction plate, and does not overlap the upper junction plate.
7. the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall according to claim 5, wherein the first film
After set is mounted in the first space surrounded by first side plate and riser, the first HDPE film piece is from the first space
Overlap joint with the upper junction plate is formed at top；Second Membrane cover is mounted to the second sky surrounded by second side plate and riser
Between in after, the second HDPE film piece is formed and the overlap joint of the lower connecting plate from the lower part of second space.
8. the joint connection of the compound HDPE film piece of self-hardening slurry diaphragm wall according to claim 5, wherein the first film
After set is mounted in the first space surrounded by first side plate and riser, the first HDPE film piece is from the first space
Overlap joint with upper junction plate is formed at top；Second Membrane cover 7b is mounted to the second space surrounded by second side plate and riser
In after, the second HDPE film piece is formed and the overlap joint of lower connecting plate from the top of second space.
9. according to the joint connection of the compound HDPE film piece of the described in any item self-hardening slurry diaphragm walls of claim 5-8, also
Including being separately mounted to Membrane cover supporting element in first Membrane cover and the second Membrane cover.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609676A (en) * | 2020-12-16 | 2021-04-06 | 天津大学 | HDPE (high-density polyethylene) film composite underground diaphragm wall structure and construction method |
| CN113152530A (en) * | 2021-03-26 | 2021-07-23 | 中船第九设计研究院工程有限公司 | HDPE (high-density polyethylene) film discharging machine and film discharging process |
| CN115847829A (en) * | 2022-10-27 | 2023-03-28 | 中国水电基础局有限公司 | Automatic equipment that sets up of ultra-deep wall section HDPE membrane of mortar of congealing certainly |
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| CN112609676A (en) * | 2020-12-16 | 2021-04-06 | 天津大学 | HDPE (high-density polyethylene) film composite underground diaphragm wall structure and construction method |
| CN112609676B (en) * | 2020-12-16 | 2022-05-17 | 天津大学 | HDPE (high-density polyethylene) film composite underground diaphragm wall structure and construction method |
| CN113152530A (en) * | 2021-03-26 | 2021-07-23 | 中船第九设计研究院工程有限公司 | HDPE (high-density polyethylene) film discharging machine and film discharging process |
| CN115847829A (en) * | 2022-10-27 | 2023-03-28 | 中国水电基础局有限公司 | Automatic equipment that sets up of ultra-deep wall section HDPE membrane of mortar of congealing certainly |
| CN115847829B (en) * | 2022-10-27 | 2025-06-24 | 中国水电基础局有限公司 | An automatic installation device for HDPE membrane in ultra-deep wall sections using self-setting mortar |
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