CN212452796U - Airtight connecting device of vertical flexible impervious wall - Google Patents
Airtight connecting device of vertical flexible impervious wall Download PDFInfo
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- CN212452796U CN212452796U CN202020380379.4U CN202020380379U CN212452796U CN 212452796 U CN212452796 U CN 212452796U CN 202020380379 U CN202020380379 U CN 202020380379U CN 212452796 U CN212452796 U CN 212452796U
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Abstract
The utility model provides a closed connecting device of a vertical flexible impervious wall, which comprises a three-link bearing structure, a supporting joint and a flexible membrane inserting structure, wherein the three-link bearing structure is formed by connecting three connecting rings with gaps along a transverse direction, the connecting rings at two sides are provided with membrane through gaps towards the transverse outer side, and the middle connecting ring is provided with a fixing gap towards the longitudinal direction; one side of the supporting joint is inserted into the embedding slot and fixed; the flexible membrane inserting structure comprises a flexible membrane and a core wire connected with the side edge of the flexible membrane, the core wire is inserted into the connecting ring on one side of the three-link ring bearing structure, and the flexible membrane penetrates through the membrane passing through seam. The utility model discloses with joint design and airtight structure integration as an organic whole, both be convenient for the construction, prevented the conflict, improved construction speed and prevention of seepage effect again.
Description
Technical Field
The utility model relates to a sealing connection device of perpendicular flexible cut-off wall relates to the pollution site environment and administers the field.
Background
With the rapid development of economy, the environmental pollution problem is increasingly serious. Pollutants leaked in the production process, solid wastes piled for a long time or leachate generated by a refuse landfill can leak underground, and in the treatment of a polluted site, a polluted medium needs to be blocked under many conditions, so that the pollution radius is prevented from being further enlarged, and further harm is caused to human bodies and the surrounding environment.
The barrier technology is a technology for blocking the way of pollutant migration and diffusion in a soil medium by laying a barrier layer, so that the polluted medium is isolated from the surrounding environment, and the pollutants are prevented from contacting with a human body and being migrated along with precipitation or underground water to further cause harm to the human body and the surrounding environment. The barrier technology comprises horizontal barrier and vertical barrier, wherein the vertical barrier technology comprises high-pressure jet grouting wall, stirring pile wall, underground continuous wall, HDPE film wall, permeable reactive wall and the like.
Compared with other barrier walls, the HDPE film vertical flexible impervious wall has the advantages of good impermeability, high corrosion resistance, strong deformation resistance, long service life and the like, but the connection of two adjacent HDPE films is a construction difficulty of the vertical flexible impervious wall.
The HDPE film vertical flexible impervious wall grooving construction process is similar to that of an underground continuous wall, and needs framing construction, and joint structures are needed to be arranged at joints of all the frames and used for bearing the lateral pressure of a soil body.
The HDPE film vertical flexible impervious wall also needs to be provided with a sealing structure at each connecting part so as to ensure the sealing property at the interface of the impervious wall.
The joint structure is the same as the airtight structure in position, and the two structures are easy to conflict with each other during construction, so that the airtight connection effect of the impervious wall is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a airtight connection device of perpendicular flexible cut-off wall solves the problem that joint design and airtight structure conflict each other to ensure the seal of connecting the position between each cut-off wall.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a close connection device of perpendicular flexible cut-off wall which characterized in that: including three serial ring structures, support joint and flexible membrane insert the structure, wherein:
the three-link bearing structure is formed by connecting three connecting rings with notches in a transverse direction, membrane passing through seams are reserved on the connecting rings on two sides towards the transverse outer side, and embedding and fixing seams are reserved on the connecting ring in the middle towards the longitudinal direction;
one side of the supporting joint is inserted into the embedding slot and fixed;
the flexible membrane inserting structure comprises a flexible membrane and a core wire connected with the side edge of the flexible membrane, the core wire is inserted into the connecting ring on one side of the three-link ring bearing structure, and the flexible membrane penetrates through the membrane passing through seam.
The airtight connecting device of perpendicular flexible impervious wall, wherein: the closed connecting device is arranged in the groove, the three-link bearing structure is close to the groove wall on one side, and the other side of the supporting joint is abutted against the groove wall on the other side.
The airtight connecting device of perpendicular flexible impervious wall, wherein: the three connecting rings are the same in size and made of HDPE materials.
The airtight connecting device of perpendicular flexible impervious wall, wherein: the support joint is cross steel, and the arm spread width of the support joint is equal to the groove width.
The airtight connecting device of perpendicular flexible impervious wall, wherein: the flexible film inserting structure is formed by fixing the side edge of a flexible film on the core wire in a sleeved mode through coil welding and looping.
The airtight connecting device of perpendicular flexible impervious wall, wherein: the flexible film is a HDPE film.
The airtight connecting device of perpendicular flexible impervious wall, wherein: the core wire is a steel strand.
The airtight connecting device of perpendicular flexible impervious wall, wherein: and the space of each connecting ring is also injected with impermeable materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses simple structure does benefit to the construction.
2. Except the core wire wrapped by the flexible membrane inserting structure, the sealing structure can be made of HDPE materials and has high seepage resistance and corrosion resistance.
3. The problem of construction joint structure and airtight connecting device position conflict in the cut-off wall work progress is solved.
4. On the basis of guaranteeing the airtight connection of the flexible membrane, the supporting effect on the excavated groove body can be enhanced through the cross-shaped supporting joint connected with the airtight structure, and the side wall of the construction groove section is prevented from collapsing.
Drawings
Fig. 1 is a schematic view of the overall structure of the airtight connection device for the vertical flexible impervious wall provided by the present invention;
FIG. 2 is a schematic view of a triple link bearing structure of the present invention;
fig. 3 is a schematic view of a flexible membrane insert structure.
Description of reference numerals: a cross bracing joint 1; a triple-link bearing structure 2; connection rings 21, 22, 23; a through-film slit 24; embedding and fixing the slot 25; a flexible film insert structure 3; coil-welded into a coil 31; a core wire 32.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a sealing connection device of vertical flexible impervious wall for two adjacent flexible membranes are connected at the inslot, for convenience, the horizontal extending direction of referring to the groove is horizontal, and the groove width direction is vertical, sealing connection device includes three serial ring structures 2, cross support joint 1 and flexible membrane insert structure 3, wherein:
the three-link bearing structure 2 is formed by connecting three connecting rings 21, 22 and 23 with notches in a transverse direction, the three connecting rings 21, 22 and 23 are the same in size, the material is preferably HDPE material, the outer diameter of each connecting ring 21, 22 and 23 is about 90mm, and the thickness of each connecting ring is about 8.2 mm; the connecting rings 21 and 23 on the two sides are provided with membrane through slits 24 towards the transverse outer side, and the connecting ring 22 in the middle is provided with an embedding slit 25 towards the longitudinal direction; specifically, the seam width of the through-film seam 24 is slightly larger than the thickness of the flexible film, and is preferably about 10 mm; the seam width of the embedding seam 25 is slightly larger than the thickness of the cross bracing joint 1, and is preferably 15-18 mm;
the cross-shaped support joint 1 is preferably cross-shaped steel, the arm spread width of the cross-shaped support joint is equal to the groove width, and the thickness of the cross-shaped steel is 10-13 mm; a support arm at one side of the cross support joint 1 is inserted into the embedding slot 25 and fixed, so that the three-link bearing structure 2 is close to a groove wall 4 at one side, and a support arm at the other side of the cross support joint 1 is abutted against the groove wall 4 at the other side, so that the three-link bearing structure 2 is helped to bear the lateral pressure of a soil body;
the flexible membrane inserting structure 3 is formed by sleeving and fixing the side edge of a flexible membrane on a core wire 32 through a coil welding and looping 31, the flexible membrane is preferably made of an HDPE membrane, the core wire 32 can be made of a steel strand or other flexible materials, the core wire 32 is inserted into the connecting rings 21, 22 and 23 on one side of the triple-link bearing structure 2, and the flexible membrane passes through the membrane passing through seam 24; in this way, two adjacent flexible membrane insertion structures 3 can form a closed connection through the three-link bearing structure 2;
after the above-mentioned connection is completed, a barrier material may also be injected into the interspace between the respective connection rings 21, 22, 23 to ensure the impermeability of the hermetic connection.
The utility model discloses during the use:
firstly, inserting a support arm at one side of the cross support joint 1 into an embedding slit 25 of the three-link bearing structure 2 to form fixation, then, enabling the cross support joint 1 and the three-link bearing structure 2 to be in a lower groove together, enabling the three-link bearing structure 2 to be attached to a groove wall 4 at one side, and enabling a support arm at the other side of the cross support joint 1 to be abutted to a groove wall 4 at the other side;
then, the flexible membrane inserting structure 3 is put into the groove, in the process, the core wire 32 of the flexible membrane inserting structure 3 is inserted into the connecting rings 21, 22 and 23 at the side of the three-link bearing structure 2 along the vertical direction, and the flexible membrane passes through the membrane through seam 24 along the vertical direction;
finally, a barrier material may be injected into the interspace of each connection ring 21, 22, 23 to ensure the impermeability of the hermetic connection.
The utility model provides a vertical flexible cut-off wall's airtight connection device integrates joint design and airtight structure, both is convenient for construct, has prevented the conflict, has improved construction speed and prevention of seepage effect again.
Claims (8)
1. The utility model provides a close connection device of perpendicular flexible cut-off wall which characterized in that: including three serial ring structures, support joint and flexible membrane insert the structure, wherein:
the three-link bearing structure is formed by connecting three connecting rings with notches in a transverse direction, membrane passing through seams are reserved on the connecting rings on two sides towards the transverse outer side, and embedding and fixing seams are reserved on the connecting ring in the middle towards the longitudinal direction;
one side of the supporting joint is inserted into the embedding slot and fixed;
the flexible membrane inserting structure comprises a flexible membrane and a core wire connected with the side edge of the flexible membrane, the core wire is inserted into the connecting ring on one side of the three-link ring bearing structure, and the flexible membrane penetrates through the membrane passing through seam.
2. The airtight connection apparatus for vertical flexible impermeable walls according to claim 1, wherein: the closed connecting device is arranged in the groove, the three-link bearing structure is close to the groove wall on one side, and the other side of the supporting joint is abutted against the groove wall on the other side.
3. The airtight connection apparatus for vertical flexible impermeable walls according to claim 1, wherein: the three connecting rings are the same in size and made of HDPE materials.
4. The airtight connection apparatus for vertical flexible impermeable walls according to claim 1, wherein: the support joint is cross steel, and the arm spread width of the support joint is equal to the groove width.
5. The airtight connection apparatus for vertical flexible impermeable walls according to claim 1, wherein: the flexible film inserting structure is formed by fixing the side edge of a flexible film on the core wire in a sleeved mode through coil welding and looping.
6. The airtight connection apparatus for vertical flexible impermeable walls according to claim 1, wherein: the flexible film is a HDPE film.
7. The airtight connection apparatus for vertical flexible impermeable walls according to claim 1, wherein: the core wire is a steel strand.
8. The airtight connection apparatus for vertical flexible impermeable walls according to claim 1, wherein: and the space of each connecting ring is also injected with impermeable materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020380379.4U CN212452796U (en) | 2020-03-24 | 2020-03-24 | Airtight connecting device of vertical flexible impervious wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020380379.4U CN212452796U (en) | 2020-03-24 | 2020-03-24 | Airtight connecting device of vertical flexible impervious wall |
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| Publication Number | Publication Date |
|---|---|
| CN212452796U true CN212452796U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020380379.4U Active CN212452796U (en) | 2020-03-24 | 2020-03-24 | Airtight connecting device of vertical flexible impervious wall |
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| CN (1) | CN212452796U (en) |
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- 2020-03-24 CN CN202020380379.4U patent/CN212452796U/en active Active
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