CN215921504U - Composite geomembrane applied to tunnel engineering - Google Patents
Composite geomembrane applied to tunnel engineering Download PDFInfo
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- CN215921504U CN215921504U CN202121818827.5U CN202121818827U CN215921504U CN 215921504 U CN215921504 U CN 215921504U CN 202121818827 U CN202121818827 U CN 202121818827U CN 215921504 U CN215921504 U CN 215921504U
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- geomembrane
- geotextile
- tunnel engineering
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Abstract
The utility model discloses a composite geomembrane applied to tunnel engineering, which comprises a first geotextile, wherein the top of the first geotextile is bonded and connected with a first geomembrane, the bottom of the first geotextile is bonded and connected with a second geomembrane, the side of the first geomembrane, which is far away from the first geotextile, is bonded and connected with a second geomembrane, and the side of the second geomembrane, which is far away from the first geotextile, is bonded and connected with a third geotextile; a plurality of transverse ribs and longitudinal ribs are arranged in the first geotextile, and the transverse ribs and the longitudinal ribs are arranged in a staggered manner; the first geotextile adopts polyethylene terephthalate. According to the utility model, the tensile strength and the deformation resistance of the geomembrane are enhanced by arranging the staggered transverse ribs and longitudinal ribs in the first geotextile, meanwhile, the arrangement of the first geomembrane and the second geomembrane plays a role in double-layer protection, and finally, the second geotextile and the third geotextile are used for adsorption, so that the surface friction of the geomembrane is increased, and the use effect of the geomembrane is further improved.
Description
Technical Field
The utility model relates to the field of composite geomembranes, in particular to a composite geomembrane applied to tunnel engineering.
Background
The phenomenon of water leakage of tunnels such as highways, subways and railways at different degrees is caused by various factors, the water leakage is one of common defects of the tunnels, and the service life and the safety of the tunnels are greatly influenced. Geomembranes are commonly used as waterproof materials in tunnel engineering, and the construction method comprises the steps of digging a cavern on a rock mass, spraying slurry on the wall of the dug cavern to enable the wall to form a flat surface, and then tightly attaching the geomembrane to the wall of the cavern and fixing the geomembrane.
The existing geomembrane has poor strength, so that the service life is short, and the adsorption capacity needs to be improved, so that the composite geomembrane applied to tunnel engineering is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem.
In order to solve the technical problems, the utility model adopts a technical scheme that:
the composite geomembrane applied to tunnel engineering comprises a first geotextile, wherein the top of the first geotextile is bonded and connected with a first geomembrane, the bottom of the first geotextile is bonded and connected with a second geomembrane, the side of the first geomembrane, which is far away from the first geotextile, is bonded and connected with a second geotextile, and the side of the second geomembrane, which is far away from the first geotextile, is bonded and connected with a third geotextile; through be provided with crisscross horizontal muscle and indulge the muscle in first geotechnological cloth to the tensile strength and the anti deformability of reinforcing geomembrane, the effect of double-deck protection is played in the setting of first geomembrane and second geomembrane simultaneously, carries out the adsorption through second geotechnological cloth and third geotechnological cloth at last, increases geomembrane surface friction simultaneously, and then promotes the geomembrane result of use.
Preferably, be provided with a plurality of horizontal muscle and indulge the muscle in the first geotechnological cloth, horizontal muscle and indulge the muscle and be crisscross the setting.
Preferably, the first geotextile is made of polyethylene terephthalate.
Preferably, the first geomembrane and the second geomembrane adopt ethylene vinyl acetate plastic films.
Preferably, the transverse ribs and the longitudinal ribs are made of polyester staple fibers.
Preferably, the second geotextile and the third geotextile are non-woven fabrics.
The utility model has the following beneficial effects:
the utility model provides a composite geomembrane applied to tunnel engineering, which is characterized in that staggered transverse ribs and longitudinal ribs are arranged in a first geotextile, so that the tensile strength and the deformation resistance of the geomembrane are enhanced, meanwhile, the arrangement of the first geomembrane and a second geomembrane plays a role in double-layer protection, finally, the second geotextile and a third geotextile are used for adsorption, and meanwhile, the surface friction of the geomembrane is increased, and further, the use effect of the geomembrane is improved.
Drawings
Fig. 1 is a cross-sectional view of a composite geomembrane according to the present invention applied to tunnel engineering;
fig. 2 is a schematic structural diagram of a first geotextile of a composite geomembrane applied to tunnel engineering according to the present invention.
In the figure: 1. a first geotextile; 11. transverse ribs; 12. longitudinal ribs; 2. a first geomembrane; 3. a second geomembrane; 4. a second geotextile; 5. and a third geotextile.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1 to 2, a composite geomembrane applied to tunnel engineering includes a first geotextile 1, the first geotextile 1 is made of polyethylene terephthalate, a plurality of transverse ribs 11 and longitudinal ribs 12 are arranged in the first geotextile 1, the transverse ribs 11 and the longitudinal ribs 12 are made of polyester staple fibers, the strength of the geomembrane is enhanced by the transverse ribs 11 and the longitudinal ribs 12, the transverse ribs 11 and the longitudinal ribs 12 are arranged in a staggered manner, the first geotextile 1 is formed by interweaving the transverse ribs 11 and the longitudinal ribs 12, the top of the first geotextile 1 is bonded with a first geomembrane 2, the bottom of the first geotextile 1 is bonded with a second geomembrane 3, the first geomembrane 2 and the second geomembrane 3 are made of ethylene vinyl acetate plastic films, the specific gravity is small, the extensibility is strong, the deformation adaptability is high, the corrosion resistance, the low temperature resistance and the freezing resistance are good, so as to improve the quality of the geomembrane, the first geomembrane 2 is bonded with a second geomembrane 4 on the side away from the first geotextile 1, second geomembrane 3 is kept away from 1 side bonding of first geotechnological cloth and is connected with third geotechnological cloth 5, and second geotechnological cloth 4 and third geotechnological cloth 5 adopt the non-woven fabrics, carry out the adsorption through second geotechnological cloth and third geotechnological cloth, and the geomembrane surface possesses better frictional force simultaneously.
When the geomembrane is used, the cross transverse ribs 11 and the cross longitudinal ribs 12 are arranged in the first geotextile 1, so that the tensile strength and the deformation resistance of the geomembrane are enhanced, meanwhile, the first geomembrane 2 and the second geomembrane 3 play a role in double-layer protection, and finally, the second geotextile 4 and the third geotextile 5 are used for adsorption, so that the good friction force on the surface of the geomembrane is ensured, and the using effect of the geomembrane is further improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A composite geomembrane applied to tunnel engineering comprises a first geotextile (1), and is characterized in that: the top of the first geotextile (1) is connected with a first geomembrane (2) in an adhesive manner, the bottom of the first geotextile (1) is connected with a second geomembrane (3) in an adhesive manner, the first geotextile (1) is kept away from the first geomembrane (2), the side of the first geotextile (1) is connected with a second geomembrane (4) in an adhesive manner, and the first geotextile (1) is kept away from the second geomembrane (3), the side of the first geotextile (1) is connected with a third geomembrane (5) in an adhesive manner.
2. The composite geomembrane for tunnel engineering according to claim 1, wherein: a plurality of transverse ribs (11) and longitudinal ribs (12) are arranged in the first geotextile (1), and the transverse ribs (11) and the longitudinal ribs (12) are arranged in a staggered mode.
3. The composite geomembrane for tunnel engineering according to claim 1, wherein: the first geotextile (1) is made of polyethylene terephthalate.
4. The composite geomembrane for tunnel engineering according to claim 1, wherein: the first geomembrane (2) and the second geomembrane (3) adopt ethylene vinyl acetate plastic films.
5. The composite geomembrane for tunnel engineering according to claim 2, wherein: the transverse ribs (11) and the longitudinal ribs (12) are made of polyester staple fibers.
6. The composite geomembrane for tunnel engineering according to claim 1, wherein: the second geotextile (4) and the third geotextile (5) adopt non-woven fabrics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818827.5U CN215921504U (en) | 2021-08-05 | 2021-08-05 | Composite geomembrane applied to tunnel engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818827.5U CN215921504U (en) | 2021-08-05 | 2021-08-05 | Composite geomembrane applied to tunnel engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215921504U true CN215921504U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121818827.5U Active CN215921504U (en) | 2021-08-05 | 2021-08-05 | Composite geomembrane applied to tunnel engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215921504U (en) |
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2021
- 2021-08-05 CN CN202121818827.5U patent/CN215921504U/en active Active
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