CN217480091U - Composite geomembrane for hydraulic engineering - Google Patents
Composite geomembrane for hydraulic engineering Download PDFInfo
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- CN217480091U CN217480091U CN202221660074.4U CN202221660074U CN217480091U CN 217480091 U CN217480091 U CN 217480091U CN 202221660074 U CN202221660074 U CN 202221660074U CN 217480091 U CN217480091 U CN 217480091U
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Abstract
The utility model provides a composite geomembrane for hydraulic engineering, including the lamina membranacea, the surface of lamina membranacea is provided with the bonding groove, and lamina membranacea layer body structure sets gradually to first wearing layer, lamina membranacea basic unit, first corrosion resistant layer, EVA layer, PVC layer, second corrosion resistant layer, first enhancement layer, strengthening rib, second enhancement layer, third enhancement layer and second wearing layer from last to down, and the strengthening rib embedding is in EVA layer and PVC layer, and first wearing layer and second wearing layer set up as outermost layer body structure. The anti-external force stability and the anti-stretching capacity of the membrane body in the use process are effectively enhanced through the membrane body base layer, the overall heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance of the membrane body 1 can be effectively improved through the first corrosion-resistant layer and the second corrosion-resistant layer, meanwhile, the second corrosion-resistant layer has excellent characteristics of acid resistance, alkali resistance, various organic solvents resistance, stable performance and the like, and the corrosion resistance of the whole membrane body is greatly improved.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field, more specifically the theory relates to a composite geomembrane for hydraulic engineering.
Background
The composite geomembrane is widely applied to channel seepage-proofing engineering, and a large amount of geosynthetics are applied to civil engineering, particularly flood control and emergency rescue engineering, so that great attention is paid to engineering technicians, and the existing composite geomembrane for hydraulic engineering still has some problems:
firstly, the strength is poor, and the phenomena of tearing and the like are easy to occur;
secondly, the coating does not have good corrosion resistance and is easy to damage due to external corrosion;
thirdly, it does not have fine prevention of seepage function, has reduced the practicality of composite geomembrane for hydraulic engineering, is unfavorable for the use.
Meanwhile, the area of a single geomembrane cannot be made to be large, the common processing mode is that in the construction process, constructors are used for carrying out on-site polishing processing on two sides of the composite geomembrane, and then the composite geomembrane is connected and fixed by bonding materials, only in the process, about 30% of time of the constructors can be consumed in the on-site construction process, and the membrane body structure is difficult to carry out smooth bonding, so that the later-stage use effect is influenced.
SUMMERY OF THE UTILITY MODEL
The purpose of the composite geomembrane for the hydraulic engineering is achieved by the following specific technical means:
a composite geomembrane for hydraulic engineering comprises a membrane body, wherein the surface of the membrane body is provided with an adhesive groove, the structure of the membrane body layer is sequentially provided with a first wear-resistant layer, a membrane body base layer, a first corrosion-resistant layer, an EVA layer, a PVC layer, a second corrosion-resistant layer, a first reinforcing layer, a reinforcing rib, a second reinforcing layer, a third reinforcing layer and a second wear-resistant layer from top to bottom, the reinforcing rib is embedded in the EVA layer and the PVC layer, the first wear-resistant layer and the second wear-resistant layer are arranged as the outermost layer body structure, the whole membrane body is arranged by taking the first reinforcing layer as the central layer body, the first wear-resistant layer, the membrane body base layer, the first corrosion-resistant layer, the second reinforcing layer, the EVA layer and the PVC layer are positioned at the upper layer position of the first reinforcing layer, the second wear-resistant layer, the third reinforcing layer and the second corrosion-resistant layer are positioned at the lower layer position of the first reinforcing layer, wherein EVA layer and PVC layer are supporting to be set up two sets ofly, and strengthening rib and diaphragm basic unit set up two sets ofly.
Further preferred embodiments: the whole horizontal position placed in the middle of seting up in the surface of the diaphragm body in bonding groove, bonding groove is horizontal dovetail groove simultaneously and sets up on the first wear layer surface of diaphragm body structure.
Further preferred embodiments: first wearing layer and second wearing layer set up respectively in the outmost position of membrane body, and just first wearing layer and second wearing layer all set up to high density polyethylene plastic layer.
Further preferred embodiments: the film body basic unit is located the inboard position of first wearing layer and second wearing layer, and the film body basic unit sets up to geogrid basic unit, and the surface covering of film body basic unit is provided with geotechnological cloth layer, and geotechnological cloth layer adopts geotechnological cloth to make.
Further preferred embodiments: the first corrosion-resistant layer and the second corrosion-resistant layer are respectively arranged as a fluororubber layer and a polytetrafluoroethylene layer.
Further preferred embodiments: EVA layer and PVC layer both laminating stack set up, and the strengthening rib embedding is in position between EVA layer and PVC layer.
Further preferred embodiments: the first reinforcing layer, the second reinforcing layer and the third reinforcing layer are adjacently overlapped, wherein the second reinforcing layer and the third reinforcing layer surround the first reinforcing layer.
Further preferred embodiments: the first reinforcing layer is a stainless steel special fiber layer, the stainless steel special fiber layer extends outwards and is embedded into the second reinforcing layer and the third reinforcing layer, and the second reinforcing layer and the third reinforcing layer are PVE layers.
Has the beneficial effects that:
1. this kind of hydraulic engineering is with compound geomembrane, user of service need bond the membrane body at the in-process of in-service use, through the horizontal bonding groove that sets up in surface for outside bonding glue can effectually get into the membrane body wearing layer structure in, strengthens greatly and the area of layer body structure contact, thereby reaches effectual bonding effect.
2. This kind of composite geomembrane for hydraulic engineering can improve the intensity of whole composite geomembrane outside layer body through first wearing layer and second wearing layer, can increase the whole frictional force with surrounding medium interface of geomembrane simultaneously, has avoided the geomembrane to carry when using, appears sliding in waterproof prevention of seepage side slope engineering use.
3. This kind of composite geomembrane for hydraulic engineering, through the effectual anti external force stability and the stretching resistance ability that strengthens in the use of the membrane body of membrane body basic unit, through first corrosion-resistant layer and second corrosion-resistant layer, can effectually improve the holistic heat resistance, oxidation resistance, oil resistance, corrosion resistance and the atmospheric ageing resistance of membrane body 1, the second corrosion-resistant layer has excellent characteristics such as acid-resistant alkali-resistant, various organic solvent resistance, stable performance simultaneously, improves the corrosion resisting property of whole membrane body greatly.
4. This kind of composite geomembrane for hydraulic engineering can improve composite geomembrane's prevention of seepage ability greatly through EVA layer and PVC layer, through first enhancement layer cooperation second enhancement layer and third enhancement layer, can further improve whole composite geomembrane's intensity, improves the connection stability between the three layer body structure simultaneously.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view showing the membrane structure of the present invention.
Fig. 3 is an enlarged view of the connection of the structure at a in fig. 2 according to the present invention.
In FIGS. 1-3: the film body 1, the bonding groove 2, the first wearing layer 3, the film body basic unit 4, the first corrosion-resistant layer 5, the EVA layer 6, the PVC layer 7, the second corrosion-resistant layer 8, the first enhancement layer 9, the strengthening rib 10, the second enhancement layer 11, the third enhancement layer 12, the second wearing layer 13.
Detailed Description
As shown in figures 1 to 3:
the utility model provides a composite geomembrane for hydraulic engineering, which comprises a membrane body 1, wherein the surface of the membrane body 1 is provided with an adhesive groove 2, the layer structure of the membrane body 1 is sequentially arranged into a first wearing layer 3, a membrane body base layer 4, a first corrosion-resistant layer 5, an EVA layer 6, a PVC layer 7, a second corrosion-resistant layer 8, a first reinforcing layer 9, a reinforcing rib 10, a second reinforcing layer 11, a third reinforcing layer 12 and a second wearing layer 13 from top to bottom, the reinforcing rib 10 is embedded in the EVA layer 6 and the PVC layer 7, the first wearing layer 3 and the second wearing layer 13 are arranged as the outermost layer structure, the whole membrane body is arranged by taking the first reinforcing layer 9 as a central layer body, the first wearing layer 3, the membrane body base layer 4, the first corrosion-resistant layer 5, the second reinforcing layer 11, the EVA layer 6 and the PVC layer 7 are positioned at the upper position of the first reinforcing layer 9, the second wearing layer 13, the third reinforcing layer 12 and the second corrosion-resistant layer 8 are positioned at the lower position of the first reinforcing layer 9, wherein EVA layer 6 sets up two sets ofly with PVC layer 7 is supporting, and strengthening rib 10 and diaphragm basic unit 4 set up two sets ofly.
Wherein, the whole horizontal position placed in the middle of seting up in the surface of diaphragm body 1 in bonding groove 2, bonding groove 2 is the 3 surfaces of horizontal dovetail groove seting up in the first wearing layer of diaphragm body 1 structure simultaneously, when user of service need bond diaphragm body 1 at the in-process of in-service use, through the horizontal bonding groove 2 that sets up in surface, make outside bonding glue can effectually get into in the diaphragm body 1 wearing layer structure, strengthen greatly and the area of layer body structure contact, thereby reach effectual bonding effect.
Wherein, first wearing layer 3 and second wearing layer 13 set up respectively in the outmost position of membrane body 1, and first wearing layer 3 and second wearing layer 13 all set up to the high density polyethylene plastic layer, can improve the intensity of whole compound geomembrane outside layer body through first wearing layer 3 and second wearing layer 13, and the whole frictional force with medium interface on every side of multiplicable geomembrane has avoided the geomembrane to carry when using, and the slip appears in waterproof prevention and cure of seepage side slope engineering use simultaneously.
Wherein, the membrane body basic unit 4 is located the inboard position of first wearing layer 3 and second wearing layer 13, and membrane body basic unit 4 sets up to geogrid basic unit, and the surface covering of membrane body basic unit 4 is provided with the geotechnological cloth layer, and the geotechnological cloth layer adopts geotechnological cloth to make, through the anti external force stability and the stretching resistance ability of the effectual reinforcing membrane body in-process of membrane body basic unit 4.
The first corrosion-resistant layer 5 and the second corrosion-resistant layer 8 are respectively arranged as a fluororubber layer and a polytetrafluoroethylene layer, the overall heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance of the membrane body 11 can be effectively improved through the first corrosion-resistant layer 5 and the second corrosion-resistant layer 8, and meanwhile, the second corrosion-resistant layer 8 has excellent properties of acid resistance, alkali resistance, various organic solvents resistance, stable performance and the like, so that the corrosion resistance of the whole membrane body 1 is greatly improved.
Wherein, EVA layer 6 and PVC layer 7 both laminating stack set up, and the position between EVA layer 6 and PVC layer 7 is embedded in to strengthening rib 10, can improve the anti-seepage ability of compound geomembrane greatly through EVA layer 6 and PVC layer 7.
The first reinforcing layer 9, the second reinforcing layer 11 and the third reinforcing layer 12 are adjacently overlapped, wherein the second reinforcing layer 11 and the third reinforcing layer 12 surround the first reinforcing layer 9.
The first reinforcing layer 9 is a stainless steel special fiber layer, the stainless steel special limiting outwards extends and is embedded into the second reinforcing layer 11 and the third reinforcing layer 12, the second reinforcing layer 11 and the third reinforcing layer 12 are PVE layers, the first reinforcing layer 9 is matched with the second reinforcing layer 11 and the third reinforcing layer 12, the strength of the whole composite geomembrane can be further improved, and meanwhile, the connection stability of the layer structures of the first reinforcing layer, the second reinforcing layer and the third reinforcing layer is improved.
The working principle is as follows:
the specific use mode and function of this embodiment, when the diaphragm 1 is actually bonded and polished, the first wearing layer 3 and the second wearing layer 13 in the diaphragm 1 layer structure enhance the hardness of the diaphragm 1, which is convenient for a user to rapidly polish the whole diaphragm 1, and meanwhile, when the diaphragm 1 is used, the first wearing layer 3 and the second wearing layer 13 enhance the wear resistance and service life of the diaphragm 1 in the use process, the diaphragm base layer 4 effectively enhances the whole anti-external force effect of the diaphragm 1, the first reinforcing layer 9 cooperates with the second reinforcing layer 11 and the third reinforcing layer 12 layer structure to further improve the strength of the whole diaphragm, wherein the second reinforcing layer 11 and the third reinforcing layer 12 can effectively improve the anti-seepage capability of the diaphragm, and the first corrosion-resistant layer 5 and the second corrosion-resistant layer 8 in the corrosion-resistant layer structure are made of fluororubber and polytetrafluoroethylene, the heat resistance, the oxidation resistance, the oil resistance, the corrosion resistance and the atmospheric aging resistance of the whole membrane body 1 are effectively improved, and the membrane body has the excellent characteristics of acid resistance, alkali resistance, various organic solvents resistance, stable performance and the like, and the corrosion resistance of the whole membrane body 1 is greatly improved.
Claims (8)
1. The utility model provides a composite geomembrane for hydraulic engineering, includes membrane body (1), its characterized in that: the surface of the membrane body (1) is provided with an adhesive groove (2), the layer structure of the membrane body (1) is sequentially arranged into a first wear-resistant layer (3), a membrane body base layer (4), a first corrosion-resistant layer (5), an EVA layer (6), a PVC layer (7), a second corrosion-resistant layer (8), a first reinforcing layer (9), a reinforcing rib (10), a second reinforcing layer (11), a third reinforcing layer (12) and a second wear-resistant layer (13) from top to bottom, the reinforcing rib (10) is embedded in the EVA layer (6) and the PVC layer (7), the first wear-resistant layer (3) and the second wear-resistant layer (13) are arranged as an outermost layer structure, the whole membrane body is arranged by taking the first reinforcing layer (9) as a central layer body, the first wear-resistant layer (3), the membrane body base layer (4), the first corrosion-resistant layer (5), the second reinforcing layer (11), the EVA layer (6) and the PVC layer (7) are positioned at the upper position of the first reinforcing layer (9), the second wear-resistant layer (13), the third enhancement layer (12) and the second corrosion-resistant layer (8) are located at the lower layer of the first enhancement layer (9), wherein the EVA layer (6) and the PVC layer (7) are matched to be provided with two groups, and the reinforcing ribs (10) and the membrane body base layer (4) are provided with two groups.
2. The composite geomembrane for hydraulic engineering according to claim 1, wherein: the bonding groove (2) is integrally and transversely arranged at the surface middle position of the film body (1), and meanwhile, the bonding groove (2) is a transverse trapezoid groove arranged on the surface of the first wear-resistant layer (3) of the film body (1).
3. The composite geomembrane for hydraulic engineering according to claim 1, wherein: the first wear-resistant layer (3) and the second wear-resistant layer (13) are respectively arranged at the outermost layer of the film body (1), and the first wear-resistant layer (3) and the second wear-resistant layer (13) are both high-density polyethylene plastic layers.
4. The composite geomembrane for hydraulic engineering according to claim 1, wherein: the membrane body basic unit (4) is located the inboard position of first wearing layer (3) and second wearing layer (13), and membrane body basic unit (4) sets up to geogrid basic unit, and the surface covering of membrane body basic unit (4) is provided with geotechnological cloth layer, and geotechnological cloth layer adopts geotechnological cloth to make.
5. The composite geomembrane for hydraulic engineering according to claim 1, wherein: the first corrosion-resistant layer (5) and the second corrosion-resistant layer (8) are respectively arranged as a fluororubber layer and a polytetrafluoroethylene layer.
6. The composite geomembrane for hydraulic engineering according to claim 1, wherein: EVA layer (6) and PVC layer (7) both laminate stack setting, and position between EVA layer (6) and PVC layer (7) is embedded in strengthening rib (10).
7. The composite geomembrane for hydraulic engineering according to claim 1, wherein: the first reinforcing layer (9), the second reinforcing layer (11) and the third reinforcing layer (12) are adjacently overlapped, wherein the second reinforcing layer (11) and the third reinforcing layer (12) surround the first reinforcing layer (9).
8. The composite geomembrane for hydraulic engineering according to claim 1, wherein: the first reinforcing layer (9) is set to be a stainless steel special fiber layer, the stainless steel special limiting part extends outwards and is embedded in the second reinforcing layer (11) and the third reinforcing layer (12), and the second reinforcing layer (11) and the third reinforcing layer (12) are set to be PVE layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660074.4U CN217480091U (en) | 2022-06-29 | 2022-06-29 | Composite geomembrane for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221660074.4U CN217480091U (en) | 2022-06-29 | 2022-06-29 | Composite geomembrane for hydraulic engineering |
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| Publication Number | Publication Date |
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| CN217480091U true CN217480091U (en) | 2022-09-23 |
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| CN202221660074.4U Active CN217480091U (en) | 2022-06-29 | 2022-06-29 | Composite geomembrane for hydraulic engineering |
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| CN (1) | CN217480091U (en) |
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- 2022-06-29 CN CN202221660074.4U patent/CN217480091U/en active Active
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