CN202359533U - Anti-seepage structure for geomembrane periphery under water construction - Google Patents
Anti-seepage structure for geomembrane periphery under water construction Download PDFInfo
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- CN202359533U CN202359533U CN2011204798972U CN201120479897U CN202359533U CN 202359533 U CN202359533 U CN 202359533U CN 2011204798972 U CN2011204798972 U CN 2011204798972U CN 201120479897 U CN201120479897 U CN 201120479897U CN 202359533 U CN202359533 U CN 202359533U
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- geomembrane
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- seepage
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Abstract
The utility model relates to an anti-seepage structure for a geomembrane periphery under a water construction, aiming to provide the anti-seepage structure for the geomembrane periphery under the water construction with simple structure, convenient implementation and low construction cost, and to realize a reliable anti-seepage of goemembrane periphery. In the technical scheme, the anti-seepage structure for the geomembrane periphery under the water construction comprises an under-water concrete base, a geomembrane, and stainless flat bar compressed on the edge of the geomembrane. The geomembrane and the stainless flat bar are fixed with the under-water concrete base through an expanding bolt adhered by anchor adhesive, and the expanding bolt is sleeved with a washer and matched with a nut. The anti-seepage structure has the characteristics that anti-seepage cover plates are padding on both top and bottom sides of the geomembrane; and an edge sealing agent is coated on the periphery of the gemembrane in a scraping way. The anti-seepage structure is suitable for anti-seepage installation on the periphery of the gemembrane on the underwater concrete surface.
Description
Technical field
The utility model relates to a kind of subaqueous construction geomembrane periphery leakage preventing structure.Be applicable to the geomembrane periphery antiseepage installation of underwater concrete surface.
Background technology
The concrete seepage defect of many hydroelectric projects occurs under water, from the engineering reason, generally can't emptying, and defect processing must be carried out under water.The waterproofing membrane system is set up on concrete seepage defect surface under water; Be a kind of from the most effective flexible barrier job practices of watershed management concrete seepage defect; Not only can the conserve water resource, reduction of erection time, reduction construction costs; And do not change the reservoir service condition, and guaranteeing reservoir area and irrigated area people's normal production and living, its project benefit and social benefit are all very significantly.This method of membrane seepage prevention under water, except the barrier properties of film itself, pliability, anti-puncture property and durability, most critical be the reliability of peripheral leakage preventing structure.
Summary of the invention
The technical problem that the utility model will solve is: to the problem of above-mentioned existence, provide a kind of subaqueous construction geomembrane simple in structure, that enforcement is convenient, construction cost is low peripheral leakage preventing structure, realize the reliable antiseepage of geomembrane periphery.
The technical scheme that the utility model adopted is: a kind of subaqueous construction geomembrane periphery leakage preventing structure; Comprise the underwater concrete basis; This structure also comprises geomembrane, and the stainless steel band steel that is pressed on the geomembrane edge, and said geomembrane and stainless steel band steel are via the expansion bolt and the underwater concrete basic fixed of anchoring agent bonding; And be with pad on the expansion bolt and be furnished with nut, it is characterized in that: said geomembrane is lined with the antiseepage cover plate respectively in both sides up and down; The geomembrane periphery is scraped and is scribbled edge sealing agent.
Said antiseepage cover plate is an ethylene propylene diene rubber type SR antiseepage cover plate.
Be compounded with flexible SR plastic sealing material on the said ethylene propylene diene rubber type SR antiseepage cover plate.
Said edge sealing agent is a HK underwater epoxy edge sealing agent.
The beneficial effect of the utility model is: adopted the ethylene propylene diene rubber type SR antiseepage cover plate with crimp property to make sealing bed course clamping geomembrane anti-seepage structure and HK underwater epoxy edge sealing agent, improved compliance and the antiseepage reliability of geomembrane periphery edge sealing anchor structure to coarse concrete surface.The utility model is simple in structure, construction cost is low, anti-seepage effect is obvious.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
As shown in Figure 1; Present embodiment is the leakage preventing structure of a kind of underwater concrete surface geomembrane periphery; It comprises and remains the concrete surface 11 of defect processing under water; Have the expansion bolt 10 with anchoring agent 8 bondings of having located on it, in defect processing in the past, generally only adopt expansion bolt 10, stainless steel band steel 5, pad 3, nut 4 that geomembrane 1 is fixed.And these routine characteristics are both sides to distinguish liner ethylene propylene diene rubber type SR antiseepage cover plate 6 again at geomembrane about in the of 1; And scrape at geomembrane 1 periphery and to scribble edge sealing agent 7.
During construction; Elder generation is corresponding to the edge injection anchor hole 9 of geomembrane 1; Geomembrane 1 is installed in perfusion anchoring agent 8 and insert expansion bolt 10 in the hole then, along the geomembrane periphery, respectively with the two-layer ethylene propylene diene rubber type SR antiseepage cover plate 6 that is compounded with flexible SR plastic sealing material with the geomembrane clamping; Press solidly with stainless steel band steel 5 more above, fastening with pad 3 and nut 4 on expansion bolt 10 at last.After the completion periphery presses solidly, all geomembrane 1 edges are strengthened the antiseepage protection with the HK underwater epoxy edge sealing agent 7 with good cementation under water.
The geomembrane 1 that the utility model uses is plasticity geomembrane class, as: polyvinyl chloride (PVC), durable polyvinyl chloride (PVC-OR), toughening polyvinyl chloride (PVC-E), haloflex (CPE), low density polyethylene (LDPE) (LDPE), medium density polyethylene (MDPE), high density polyethylene (HDPE) (HDPE), toughening polyolefine or elastic polyolefin (ELPO)); Can also be elasticity geomembrane class, as: butyl rubber (IIR), epoxy propane rubber (ECO), neoprene (CR), nitrile rubber (NBR), chlorohydrin rubber.
The utility model cardinal principle presses solidly geomembrane on 11 in the underwater concrete face cleared up of polishing for the expansion bolt that bonds with anchoring agent 8; Flexible SR plastic sealing material (clay) on the ethylene propylene diene rubber type SR antiseepage cover plate 6 receives the coarse concrete surface of stainless steel band steel 5 extruding Automatic Levelling sealings; Ethylene propylene diene rubber type SR antiseepage cover plate 6 provides reliable side direction anti-permeability performance; The peripheral antiseepage reliability of geomembrane has been guaranteed in the bonding sealing of the HK underwater epoxy edge sealing agent at process geomembrane edge, stainless steel band steel 5 left and right sides again.
Claims (4)
1. subaqueous construction geomembrane periphery leakage preventing structure; Comprise underwater concrete face (11); This structure also comprises geomembrane (1); And the stainless steel band steel (5) that is pressed on geomembrane (1) edge; Said geomembrane (1) and stainless steel band steel (5) are fixing with underwater concrete face (11) via the expansion bolt (10) of anchoring agent (8) bonding, are with pad (3) on the expansion bolt (10) and are furnished with nut (4), and it is characterized in that: said geomembrane (1) both sides up and down is lined with the antiseepage cover plate respectively; Geomembrane (1) periphery is scraped and is scribbled edge sealing agent (7).
2. subaqueous construction geomembrane periphery leakage preventing structure according to claim 1, it is characterized in that: said antiseepage cover plate is an ethylene propylene diene rubber type SR antiseepage cover plate (6).
3. subaqueous construction geomembrane periphery leakage preventing structure according to claim 2 is characterized in that: be compounded with flexible SR plastic sealing material on the said ethylene propylene diene rubber type SR antiseepage cover plate (6).
4. subaqueous construction geomembrane periphery leakage preventing structure according to claim 1 and 2, it is characterized in that: said edge sealing agent is a HK underwater epoxy edge sealing agent (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204798972U CN202359533U (en) | 2011-11-28 | 2011-11-28 | Anti-seepage structure for geomembrane periphery under water construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204798972U CN202359533U (en) | 2011-11-28 | 2011-11-28 | Anti-seepage structure for geomembrane periphery under water construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202359533U true CN202359533U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204798972U Expired - Lifetime CN202359533U (en) | 2011-11-28 | 2011-11-28 | Anti-seepage structure for geomembrane periphery under water construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202359533U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592647A (en) * | 2016-09-23 | 2017-04-26 | 济南大学 | Composite geo-membrane anchorage and floating resisting structure |
| CN106638712A (en) * | 2016-09-23 | 2017-05-10 | 济南大学 | Geomembrane anchoring anti-floating structure |
| CN109555085A (en) * | 2019-01-17 | 2019-04-02 | 中国电建集团华东勘测设计研究院有限公司 | Gravity dam upstream face geomembrane anti-seepage discharge structure and its construction method |
| CN113463573A (en) * | 2021-06-16 | 2021-10-01 | 中国电建集团华东勘测设计研究院有限公司 | Asphalt concrete panel-geomembrane anti-seepage system and construction method thereof |
-
2011
- 2011-11-28 CN CN2011204798972U patent/CN202359533U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592647A (en) * | 2016-09-23 | 2017-04-26 | 济南大学 | Composite geo-membrane anchorage and floating resisting structure |
| CN106638712A (en) * | 2016-09-23 | 2017-05-10 | 济南大学 | Geomembrane anchoring anti-floating structure |
| CN109555085A (en) * | 2019-01-17 | 2019-04-02 | 中国电建集团华东勘测设计研究院有限公司 | Gravity dam upstream face geomembrane anti-seepage discharge structure and its construction method |
| CN109555085B (en) * | 2019-01-17 | 2023-12-01 | 中国电建集团华东勘测设计研究院有限公司 | Geomembrane seepage-proofing drainage structure on upstream face of gravity dam and construction method thereof |
| CN113463573A (en) * | 2021-06-16 | 2021-10-01 | 中国电建集团华东勘测设计研究院有限公司 | Asphalt concrete panel-geomembrane anti-seepage system and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |
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| CX01 | Expiry of patent term |