CN108755595A - A kind of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair and its repair method - Google Patents
A kind of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair and its repair method Download PDFInfo
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- CN108755595A CN108755595A CN201810681101.8A CN201810681101A CN108755595A CN 108755595 A CN108755595 A CN 108755595A CN 201810681101 A CN201810681101 A CN 201810681101A CN 108755595 A CN108755595 A CN 108755595A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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Abstract
The present invention is a kind of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair and its repair method, belongs to Hydraulic Structure Engineering Applied research fields.The present invention uses concrete cut that full reservoir area bottom (anti-seepage geomembrane lower part) is divided into smaller several when to independent region of area first, anti-seepage geomembrane then at each region divides into weeper drain, weeper drain is connect with drainpipe, drainpipe is connected to the flow monitoring equipment installed outside reservoir area, after reservoir filling, it can be changed come the accurate region for judging anti-seepage geomembrane and leaking by observing the water in reservoir in the corresponding drainpipe of difference isolated area, so as to accomplish to carry out geomembrane the effect that maintenance is accurately positioned.The present invention can precisely find water storage back leak water area, and water, which is put at leak elevation repairing, to repair anti-seepage geomembrane, not only avoided discharge water it is excessive caused by waste again can it is accurate it is errorless find leakage area, saved water resource and fund manpower.
Description
Technical field
The present invention is a kind of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair and its repair method, belongs to Hydraulic Structure Engineering
Applied research fields.
Background technology
With the development of economy and society, demand of the various regions to water is increasing, especially Karst and Rocky Desertification Region, work
Journey water shortage has become serious the main reason for restricting local development.Yunnan Province Karst landforms are more developed, reservoir filling
The preferable region of condition is fewer and fewer, and many reservoirs can only be built in the not so good place for having leakage of geological conditions, also
The reservoir for having part built the problem of there is also reservoir leakages, the most common method of processing Reservoir region leakage is exactly to be laid with
Geomembrane.However due to the influence of various factors such as construct it is not in place, after water storage by livestock or artificial destruction, the change of level of ground water
Change etc., often the geomembrane after water storage can all have localized seepage, be repaired, and how accurately search out specific
The position of leakage point annoyings always us, also at a major reason for hindering geomembrane Technique Popularizing.
The detection method of geomembrane leakage was in the past, if it is whole to find that the measure that leakage is usually taken occurs in Reservoir region
A reservoir area water discharges, and prefabricated section protective layer is all removed and finds geomembrane damage region, is then repaired to damaged area
After restore.The disadvantage is that difficult find geomembrane damage region (needing all to remove prefabricated sections), expend a large amount of artificial, materials and when
Between, cause the waste of a large amount of water.
Invention content
The technical problem to be solved in the present invention is to provide a kind of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair and its maintenance
Method can be with for the insufficient problem of (emptying reservoir all removes prefabricated section protective layers and searches geomembrane damage regions) now
It is accurate to detect that reservoir basin anti-seepage geomembrane leaks region, it is simple in structure, it is easy to operate.
The technical solution adopted by the present invention is：A kind of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair, including concrete are anti-
Ooze wall, reservoir area, anti-seepage geomembrane, weeper drain, drainpipe, seepage detector；
Several concrete cuts are through reservoir and that reservoir area bottom storehouse anti-seepage geomembrane lower part is divided into several is relatively only
The bottom in vertical region, each isolated area is equipped with the weeper drain of one or more, and reservoir area bottom storehouse anti-seepage geomembrane lower part is equipped with
Tube seat, reservoir area bottom storehouse outside are equipped with the water-conveyance tunnel extended to outside reservoir area, and drainpipe is embedded in tube seat, drainpipe one end and row
The bottom of water french drain is connected to, and the other end is connect after passing through water-conveyance tunnel with the seepage detector outside reservoir area, seepage flow detection dress
Set the flow information for obtaining each drainpipe.
Preferably, for the weeper drain along the vertical contour arrangement in reservoir area both sides, the section of weeper drain is trapezoidal, bottom
Put 1 in portion:500 gradients.
Preferably, the water inlet of the drainpipe gos deep into 0.5m in the rubble in weeper drain, and drainpipe water inlet
It is wrapped up with geotextiles.
Preferably, the seepage detector is water meter.
Preferably, the water-conveyance tunnel entrance floor elevation is less than the height of bottom storehouse anti-seepage geomembrane.
Preferably, the tube seat is located at the both sides of vertical concrete cut among reservoir area to water-conveyance tunnel entrance.
A kind of repair method of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair, includes the following steps：
The full reservoir area bottom of reservoir is divided into several relatively independent regions by step 1 using concrete cut；
Step 2 opens up weeper drain in each isolated area bottom, the water in each isolated area is pooled to draining
Drainpipe is discharged to after french drain again, drainpipe is connected to the seepage detector outside reservoir area across water-conveyance tunnel；
Step 3 can observe the corresponding row of difference isolated area in reservoir after reservoir filling by seepage detector
Water flow variation in water pipe, judges the isolated area of this bar drainpipe connection if certain drainpipe water flow mutates
The region leaked for anti-seepage geomembrane；
Step 4, the region, water level is put to bottom, is repaired to the geomembrane in the region.
In the step one, it is by the method that the full reservoir area bottom of reservoir is divided into several relatively independent regions：Antiseepage
There is an effective aperture in every 4000 ㎡ of geomembrane, first the regions reservoir complete each 4000 ㎡ in reservoir area bottom be divided into one it is independent
Region is adjusted, most further according to the size cases of site contour geological condition, the complexity of site operation, reservoir area entirety
Final region division is made afterwards.
The beneficial effects of the invention are as follows：It is of the invention theoretical with it is simple in structure, be easy to understand, using convenient, can be used for for a long time
Detect the leakage problems of anti-seepage geomembrane；The present invention be a kind of short-cut method of Reservoir region anti-seepage geomembrane leakage maintenance also not
It is limited by access times, when detecting that a certain position of geomembrane is damaged, does not influence to continue to detect other positions, be recycled
Using.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Each label in figure：1- concrete cuts, the reservoir areas 2-, 3- anti-seepage geomembranes, 4- weeper drains, 5- drainpipes, 6-
Seepage detector, 7- water-conveyance tunnels.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, specific embodiments of the present invention are described further.
Embodiment 1：As shown in Figure 1, a kind of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair, including concrete cut 1,
Reservoir area 2, anti-seepage geomembrane 3, weeper drain 4, drainpipe 5, seepage detector 6；
Several concrete cuts 1 are laterally and/or vertically through reservoir 2 and by 2 bottom storehouse anti-seepage geomembrane of reservoir area, 3 lower part
It is divided into several relatively independent regions, the bottom of each isolated area is equipped with the weeper drain 4 of one or more, 2 bottom storehouse of reservoir area
3 lower part of anti-seepage geomembrane is equipped with tube seat, is equipped with the water-conveyance tunnel 7 extended to outside reservoir area 2 outside 2 bottom storehouse of reservoir area, drainpipe 5 buries
Enter in tube seat, 5 one end of drainpipe is connected to the bottom of weeper drain 4, the other end pass through water-conveyance tunnel 7 after with outside reservoir area 2
Seepage detector 6 connects, and seepage detector 6 is used to obtain the flow information of each drainpipe 5.
The present invention selects the concrete cut 1 to be as the reason of water proof material：The material selection concrete of water proof subregion,
It can not only allow anti-seepage geomembrane 3 to inlay wherein combination well, but also can play the role of antiseepage, and intensity is higher to be suitable for ground
Deformation makes respective depth concrete cut 1 according to geological conditions.
The arrangement of drainpipe 5 of the present invention：Select corresponding caliber as anti-according to the seepage discharge of calculated anti-seepage geomembrane 3
The drainpipe 5 under 3 film of geomembrane is oozed, drainpipe 5 is connected to outside reservoir area, a water meter is respectively installed in exit, under every piece of region
Drainpipe 5 has corresponding number, by monitoring watermeter flowing rate then it can be seen that whether the part geomembrane is destroyed.
The weeper drain 4 arranges that weeper drain 4 is disconnected along the vertical contour arrangement in 2 both sides of reservoir area along the low-lying place of bottom storehouse
Face form is trapezoidal, is that the water fair current in capable of allowing weeper drain 4 is pooled to drainpipe 5 therefore will drain since the bottom storehouse gradient is zero
Put 1 in 4 bottom of french drain:500 gradients, section start french drain bottom width 0.5m high 0.5m top widths 1.5m.
The water inlet of the drainpipe 5 gos deep into 0.5m in the rubble in weeper drain 4, and drainpipe 5 water inlet soil
Work cloth wraps up, and all drainpipes 5 all focus on 7 entrance of water-conveyance tunnel and then pass through tunnel, in 7 every, exit of water-conveyance tunnel
Water meter is set on drainpipe 5 to observe water flow.
The seepage detector 6 is water meter, simple and durable, the flow information for facilitating observation to detect.
The 7 entrance floor elevation of water-conveyance tunnel is less than the height of bottom storehouse anti-seepage geomembrane 3.
The tube seat is located at the both sides of vertical concrete cut 1 among reservoir area 2 to 7 entrance of water-conveyance tunnel.
A kind of repair method of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair, includes the following steps：
It is smaller and relatively independent to be divided into several areas by step 1 using concrete cut 1 for complete 2 bottom of reservoir area of reservoir
Region；
Step 2 opens up weeper drain 4 in each isolated area bottom, the water in each isolated area is pooled to draining
Drainpipe 5 is discharged to after french drain 4 again, drainpipe 5 is connected to the seepage detector 6 outside reservoir area across water-conveyance tunnel 7；
Step 3 can observe the corresponding row of difference isolated area in reservoir after reservoir filling by seepage detector 6
The independence that this bar drainpipe 5 connects is judged in water flow variation in water pipe 5 if certain 5 water flow of drainpipe mutates
Region is the region that anti-seepage geomembrane 3 leaks；
Step 4, the region, water level is put to bottom, is repaired to the geomembrane 3 in the region.
In the step one, it is by the method that complete 2 bottom of reservoir area of reservoir is divided into several relatively independent regions：Antiseepage
There is an effective aperture in 3 every 4000 ㎡ of geomembrane, and complete 2 bottom of reservoir area of the reservoir regions each 4000 ㎡ are first divided into an independence
Region, be adjusted further according to the size cases of site contour geological condition, the complexity of site operation, reservoir area entirety,
Finally make final region division.By the present market price, the composite geo-membrane of most common 200/0.6/200 model
4000 ㎡ are roughly equal to 100,000 RMB, and the relatively entire project influence of the investment is not very big.
The structure of 3 impervious barrier of anti-seepage geomembrane of the present invention is broadly divided into three parts：Protective layer, composite geo-membrane, support layer.
Support layer：Bank slope turf, tree root, humic soil layer are removed, and by bank slope slope than cleaning to 1:2.5, part is hard, corner angle divide
Daylight answers cavetto (radius is not less than 0.5m) to use the sand gravel place mat of thickness 200mm afterwards, is re-layed after the removing of bottom storehouse fertile soil
200mm sand gravel layers re-lay geomembrane, which is conducive to drainage exhaust under film.Protective layer：Bank slope protective layer is mixed using C15
Solidifying soil prefabricated section, prefabricated section divide into sandstone mixing bed course (thick 200mm).The grain size of sandstone mixing bed course is between 2~30mm.Library
0.3~0.5m thickness clay protective layers are laid on the geomembrane of bottom.
3 drainage exhaust of anti-seepage geomembrane designs：Under 3 film of reservoir seepage-proofing geomembrane draining, exhaust system by weeper drain 4,
Drainpipe 5, exhaust pipe group at.Water is discharged to weeper drain 4 by gravel blanket under film and is discharged to drainpipe again under 3 film of anti-seepage geomembrane
5, it is finally discharged outside reservoir by drainpipe 5 and leakage scenarios under film is checked by seepage detector 6.Weeper drain 4 has simultaneously
There are degassing function, the gas of 3 times generations of anti-seepage geomembrane to be discharged to the exhaust pipe discharge outside at top by gravel blanket under film.
Complete 2 bottom of reservoir area of reservoir is divided into smaller several when to independent of area by the present invention using concrete cut 1
Region, then weeper drain 4 is separately positioned on different 3 lower parts of isolated area anti-seepage geomembrane, and library is connected to by drainpipe 5
Seepage detector outside area；It, can be by observing in the corresponding drainpipe of different isolated area in reservoir 5 after reservoir filling
Water variation come precisely judges the region that anti-seepage geomembrane 3 leaks, so as to accomplish to anti-seepage geomembrane 3 leakage region into
The effect of maintenance is accurately positioned in row.Advantage：Water without putting whole reservoirs just can detect leak region, targetedly carry out
Geomembrane is repaired, and maintenance expense is substantially reduced, not only avoided discharge water it is excessive caused by waste accurate errorless can find leak again
Water resource and fund manpower have been saved in position, contribute to the popularization and application of geotechnological membrane technology.
The specific implementation mode of the present invention is explained in detail above in association with attached drawing, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (8)
1. a kind of reservoir basin anti-seepage geomembrane leaks apparatus for examination and repair, it is characterised in that：Including concrete cut (1), reservoir area
(2), anti-seepage geomembrane (3), weeper drain (4), drainpipe (5), seepage detector (6)；
Several concrete cuts (1) are through reservoir (2) and are divided into reservoir area (2) bottom storehouse anti-seepage geomembrane (3) lower part several
The bottom in a relatively independent region, each isolated area is equipped with the weeper drain (4) of one or more, reservoir area (2) bottom storehouse antiseepage
Geomembrane (3) lower part is equipped with tube seat, is equipped with outside reservoir area (2) bottom storehouse and extends to the external water-conveyance tunnel (7) in reservoir area (2), draining
It manages in (5) embedment tube seat, drainpipe (5) one end is connected to the bottom of weeper drain (4), after the other end passes through water-conveyance tunnel (7)
The seepage detector (6) external with reservoir area (2) is connect, and seepage detector (6) is used to obtain the flow of each drainpipe (5)
Measure information.
2. a kind of reservoir basin anti-seepage geomembrane according to claim 1 leaks apparatus for examination and repair, it is characterised in that：The row
Water french drain (4) is along the vertical contour arrangement in reservoir area (2) both sides, and the section of weeper drain (4) is trapezoidal, and bottom puts 1:500 gradients.
3. a kind of reservoir basin anti-seepage geomembrane according to claim 1 leaks apparatus for examination and repair, it is characterised in that：The row
The water inlet of water pipe (5) gos deep into 0.5m in the rubble in weeper drain (4), and drainpipe (5) water inlet is wrapped up with geotextiles.
4. a kind of reservoir basin anti-seepage geomembrane according to claim 1 leaks apparatus for examination and repair, it is characterised in that：Described oozes
Flow detection device (6) is water meter.
5. a kind of reservoir basin anti-seepage geomembrane according to claim 1 leaks apparatus for examination and repair, it is characterised in that：Described is defeated
Water tunnel (7) entrance floor elevation is less than the height of bottom storehouse anti-seepage geomembrane (3).
6. a kind of reservoir basin anti-seepage geomembrane according to claim 1 leaks apparatus for examination and repair, it is characterised in that：The pipe
Slot is located at both sides to water-conveyance tunnel (7) entrance of the intermediate vertical concrete cut (1) in reservoir area (2).
7. a kind of repair method of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair, it is characterised in that：Include the following steps：
The full reservoir area of reservoir (2) bottom is divided into several relatively independent regions by step 1 using concrete cut (1)；
Step 2 opens up weeper drain (4) in each isolated area bottom, and it is blind that the water in each isolated area is pooled to draining
Drainpipe (5) is discharged to after ditch (4) again, drainpipe (5) is connected to the seepage detector (6) outside reservoir area across water-conveyance tunnel (7)；
Step 3 can observe the corresponding draining of difference isolated area in reservoir after reservoir filling by seepage detector (6)
The water flow variation in (5) is managed, this bar drainpipe (5) connection is judged if certain drainpipe (5) water flow mutates
Isolated area is the region that anti-seepage geomembrane (3) leaks；
Step 4, the region, water level is put to bottom, is repaired to the geomembrane (3) in the region.
8. a kind of repair method of reservoir basin anti-seepage geomembrane leakage apparatus for examination and repair according to claim 7, feature exist
In：In the step one, the method that the full reservoir area of reservoir (2) bottom is divided into several relatively independent regions is：Antiseepage soil
There is an effective aperture in every 4000 ㎡ of work film (3), and the full reservoir area of reservoir (2) the bottom regions each 4000 ㎡ are first divided into one solely
Vertical region is adjusted further according to the size cases of site contour geological condition, the complexity of site operation, reservoir area entirety
It is whole, finally make final region division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681101.8A CN108755595B (en) | 2018-06-27 | 2018-06-27 | Seepage-proofing geomembrane seepage maintenance device and maintenance method for reservoir area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810681101.8A CN108755595B (en) | 2018-06-27 | 2018-06-27 | Seepage-proofing geomembrane seepage maintenance device and maintenance method for reservoir area |
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| CN108755595A true CN108755595A (en) | 2018-11-06 |
| CN108755595B CN108755595B (en) | 2020-11-24 |
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| CN201810681101.8A Active CN108755595B (en) | 2018-06-27 | 2018-06-27 | Seepage-proofing geomembrane seepage maintenance device and maintenance method for reservoir area |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537531A (en) * | 2019-01-24 | 2019-03-29 | 河海大学 | A kind of dam facing geomembrane anti-seepage rock-fill dams, construction method and defect positioning method |
| CN111906114A (en) * | 2020-07-03 | 2020-11-10 | 湖南凯迪工程科技有限公司 | Safe ecological system for treating heavy metal solid waste |
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| CN205314137U (en) * | 2015-12-24 | 2016-06-15 | 北京高能时代环境技术股份有限公司 | A evaporation pond prevention of seepage protective screen system for coal industry strong brine |
| CN107794882A (en) * | 2017-10-19 | 2018-03-13 | 河海大学 | A kind of geomembrane and its leakage detection method for being easy to large area leak detection |
| CN107860528A (en) * | 2017-10-16 | 2018-03-30 | 中国环境科学研究院 | Fill field isolating membrane blowby area block detection method and device |
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2018
- 2018-06-27 CN CN201810681101.8A patent/CN108755595B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205314137U (en) * | 2015-12-24 | 2016-06-15 | 北京高能时代环境技术股份有限公司 | A evaporation pond prevention of seepage protective screen system for coal industry strong brine |
| CN107860528A (en) * | 2017-10-16 | 2018-03-30 | 中国环境科学研究院 | Fill field isolating membrane blowby area block detection method and device |
| CN107794882A (en) * | 2017-10-19 | 2018-03-13 | 河海大学 | A kind of geomembrane and its leakage detection method for being easy to large area leak detection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537531A (en) * | 2019-01-24 | 2019-03-29 | 河海大学 | A kind of dam facing geomembrane anti-seepage rock-fill dams, construction method and defect positioning method |
| CN109537531B (en) * | 2019-01-24 | 2019-09-10 | 河海大学 | A kind of dam facing geomembrane anti-seepage rock-fill dams, construction method and defect positioning method |
| CN111906114A (en) * | 2020-07-03 | 2020-11-10 | 湖南凯迪工程科技有限公司 | Safe ecological system for treating heavy metal solid waste |
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| CN108755595B (en) | 2020-11-24 |
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