CN217104942U - Assembled geomembrane and concrete connection structure - Google Patents
Assembled geomembrane and concrete connection structure Download PDFInfo
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- CN217104942U CN217104942U CN202221027102.9U CN202221027102U CN217104942U CN 217104942 U CN217104942 U CN 217104942U CN 202221027102 U CN202221027102 U CN 202221027102U CN 217104942 U CN217104942 U CN 217104942U
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- geomembrane
- flat steel
- concrete
- steel
- rubber cover
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Abstract
The invention discloses an assembled geomembrane and concrete connecting structure, which comprises flat steel, a geomembrane and a grab rib; the grabbing bars are embedded in concrete, the geomembrane is clamped between the flat steels, two layers of rubber cover plates are arranged between the flat steels and the geomembrane, expansion bolt holes are reserved in the flat steels, and the flat steels and the channel steels compress the geomembrane and the rubber cover plates through the expansion bolts to form integral compression, so that the air tightness is ensured; the flat steel is used for clamping the side of the geomembrane structure and welding the grab bar to be connected with the concrete; the anti-seepage primer is coated among the flat steel, the geomembrane and the rubber cover plate, so that the anti-seepage effect is ensured.
Description
Technical Field
The invention belongs to the field of hydraulic and hydroelectric engineering construction, and relates to an assembled geomembrane and concrete connecting structure.
Background
The geomembrane material is used for solving the leakage problem, has great advantages in the aspects of transportation, construction, cost, environmental protection and the like, and is widely applied to seepage prevention of projects such as channels, dikes, dams, refuse landfills, reservoirs and the like. SL/T225 + 1998 hydraulic and hydroelectric engineering geosynthetic material application technical specification and GB 50290 + 2014 geosynthetic material application technical specification specify the selection of the thickness, the material and the type of the geomembrane in the seepage-proof design, and particularly specify the connection mode of the geomembrane and different foundations and concrete buildings in the hydropower engineering geomembrane seepage-proof technical specification.
The existing geomembrane and concrete buildings are mainly of two types, the first type is that 2 layers of rubber cover plates are arranged on two sides of the geomembrane and compressed and fixed by channel steel, and the structure is fixed on the surface of concrete by bolts. Secondly, embedding a geotechnical material in advance on the surface of the concrete, and connecting the geomembrane and the geotechnical material by adopting a hot melt welding technology; the first mode is generally required to be implemented after concrete pouring and is easily influenced by the flatness of the concrete pouring surface, the second mode is simple and convenient to construct, and the local strength of the geomembrane and the concrete surface earthwork material after hot melting can be influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to solve the technical problem that the strength of the geomembrane can not be influenced, so that the surface flatness of concrete can not become an influence factor of an anti-seepage effect any more.
In order to realize the purpose, the technical scheme of the invention is as follows: an assembled geomembrane and concrete connecting structure is characterized by comprising a geomembrane, flat steel and grab ribs; the grab bar is pre-embedded in the concrete; the flat steel comprises a first flat steel and a second flat steel, and the first flat steel and the second flat steel compress the geomembrane; the flat steel compaction geomembrane structure is connected with the grab rib, and the flat steel compaction geomembrane structure is connected with concrete.
Preferably, a first rubber cover sheet is arranged between the first flat steel and the geomembrane, and a second rubber cover sheet is arranged between the geomembrane and the second flat steel.
Preferably, a channel steel is arranged outside the second flat steel, and the channel steel, the first flat steel, the first rubber cover plate, the geomembrane, the second rubber cover plate, the second flat steel and the grab rib are connected into a whole through expansion bolts.
Preferably, anti-seepage primer is brushed between the contact surfaces of the first flat steel, the first rubber cover plate, the geomembrane, the second rubber cover plate and the second flat steel.
Preferably, the flat steel is welded to the grab bar.
Preferably, the exposed portion of the geomembrane is greater than 50 cm.
The beneficial gain effects of the invention are as follows: the assembled geomembrane and concrete connecting structure adopts two layers of stainless steel flat steel to compress a rubber belt and the geomembrane, the compressed structure is fixed and further pressed into a whole by reserving bolt holes on the flat steel and using stainless steel expansion bolts, and a grabbing rib is welded on the side of a steel plate to be connected with concrete; because the geomembrane once only forms wholly with both sides structure, joint strength is not influenced, and this structure can once pour when concrete placement as the embedment simultaneously, pours structure and concrete structure into a whole through pre-buried spare such as grabbing the muscle, and the prevention of seepage effect is better.
Drawings
Fig. 1 is an implementation diagram of a fabricated geomembrane and concrete connection structure.
Wherein: 1. a first flat steel; 2. a first rubber cover sheet; 3. a geomembrane; 4. a second rubber cover sheet; 5. a second flat steel; 6. channel steel; 7. an expansion bolt; 8. grabbing ribs; 9. and (3) concrete.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1, the invention provides a technical solution: an assembled geomembrane and concrete connecting structure comprises a geomembrane 3, flat steel and a grab bar 8; the grab bar 8 is pre-embedded in the concrete 9, the flat steel comprises a first flat steel 1 and a second flat steel 5, and bolt holes are reserved on the first flat steel 1 and the second flat steel 5; the geomembrane 3 is clamped between the first flat steel 1 and the second flat steel 5, a first rubber cover sheet 2 is arranged between the geomembrane 3 and the first flat steel 1, and a second rubber cover sheet 4 is arranged between the geomembrane 3 and the second flat steel 5; first band steel 1 and second band steel 5 pass through expansion bolts 7 and channel-section steel 6 with first rubber cover plate 2, geomembrane 3, second rubber cover plate 4 with grab muscle 8 and be connected and form overall structure, the first band steel 1 of side welding at last with grab muscle 8 and be connected.
During specific implementation, anti-seepage primer is coated between the flat steel and the rubber cover plate and between the rubber cover plate and the contact surface of the geomembrane 3, and enough length is reserved for the exposed geomembrane to ensure welding, and the length is not less than 50 cm. The structure compression degree ensures the air tightness of the flat steel, the concrete 9, the geomembrane 3 and the rubber cover plate and the anti-seepage effect, and when the concrete 9 is poured, the protection of the exposed geomembrane is noticed to prevent the interference and the damage during pouring.
The above description is only an example of the present patent and is not intended to limit the scope of the present patent, and all modifications, equivalents, and alternatives falling within the spirit and scope of the present patent application are also encompassed by the present patent disclosure.
Claims (6)
1. An assembled geomembrane and concrete connecting structure is characterized by comprising a geomembrane, flat steel and grab ribs; the grab bar is pre-embedded in the concrete; the band steel includes first band steel and second band steel, first band steel and second band steel will the geomembrane compresses tightly with grab the muscle and be connected.
2. The fabricated geomembrane and concrete connection according to claim 1, wherein a first rubber cover sheet is disposed between the first flat steel and the geomembrane, and a second rubber cover sheet is disposed between the geomembrane and the second flat steel.
3. The fabricated geomembrane and concrete connecting structure according to claim 2, wherein a channel steel is arranged outside the second flat steel, and the channel steel, the first flat steel, the first rubber cover plate, the geomembrane, the second rubber cover plate, the second flat steel and the grab bar are connected into a whole through expansion bolts.
4. The fabricated geomembrane and concrete connecting structure according to claim 2, wherein an impermeable primer is coated between contact surfaces of the first flat steel, the first rubber cover sheet, the geomembrane, the second rubber cover sheet and the second flat steel.
5. The fabricated geomembrane and concrete connection according to claim 2, wherein the first flat steel is connected with the grab bar by side welding.
6. The fabricated geomembrane and concrete connection according to claim 1, wherein the geomembrane exposure is greater than 50 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221027102.9U CN217104942U (en) | 2022-04-28 | 2022-04-28 | Assembled geomembrane and concrete connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221027102.9U CN217104942U (en) | 2022-04-28 | 2022-04-28 | Assembled geomembrane and concrete connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217104942U true CN217104942U (en) | 2022-08-02 |
Family
ID=82586866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221027102.9U Active CN217104942U (en) | 2022-04-28 | 2022-04-28 | Assembled geomembrane and concrete connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217104942U (en) |
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2022
- 2022-04-28 CN CN202221027102.9U patent/CN217104942U/en active Active
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