CN214497400U - Seepage-proofing water-stopping structure on hydraulic engineering - Google Patents
Seepage-proofing water-stopping structure on hydraulic engineering Download PDFInfo
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- CN214497400U CN214497400U CN202120301223.7U CN202120301223U CN214497400U CN 214497400 U CN214497400 U CN 214497400U CN 202120301223 U CN202120301223 U CN 202120301223U CN 214497400 U CN214497400 U CN 214497400U
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Abstract
The utility model relates to an anti-seepage water stop structure on hydraulic engineering relates to hydraulic engineering's field, and it is including setting up the first waterproof layer on the dam body upstream face, and first waterproof layer is provided with the reservoir bed on keeping away from the side of dam body, and the reservoir bed is provided with the second waterproof layer on keeping away from the side of first waterproof layer, has seted up the water storage canal on the water storage, and the length direction of water storage canal is provided with the suction pump that is used for extracting ponding in the water storage canal along the slope direction of first waterproof layer on the dam. The method and the device have the advantages that the frequency of checking by workers is reduced, the interval between every two checks is prolonged, and the workload of the workers is reduced.
Description
Technical Field
The application relates to the field of hydraulic engineering, in particular to an anti-seepage water stop structure on the hydraulic engineering.
Background
A dam is a water retaining structure which intercepts water flow of river channels to raise the water level or adjust the flow. Can form a reservoir, raise the water level, regulate runoff and concentrate water head, and is used for flood control, water supply, irrigation, hydroelectric power generation, shipping improvement and the like. River regulation buildings for regulating river conditions and protecting shores are also called dams, such as spur dams, forward dams, submerged dams and the like. The dam is constructed by adopting local materials due to huge construction projects, water seepage and water leakage caused by the dam are a great problem troubling people, at present, seepage prevention structures (gravel, asphalt, concrete, geomembrane and the like) are generally adopted for seepage prevention through interception, but certain seepage cannot be avoided by a plurality of seepage prevention structures due to factors such as cost, design and the like. Most of the traditional anti-seepage water-stopping structures are totally enclosed structures, the ventilation performance is poor, and leaked water cannot be removed in time through volatilization.
The common dam body is for prevention of seepage stagnant water, generally can be at the fixed waterproof board of the choked flow side of dam body, and the waterproof board generally adopts metal material, can take place to corrode under the long-time washing of rivers, needs staff's periodic overhaul, increases staff's work load.
SUMMERY OF THE UTILITY MODEL
In order to alleviate the problem of the work load of workman's regular overhaul waterproof board, this application provides an anti-seepage stagnant water structure on hydraulic engineering.
The application provides a pair of prevention of seepage stagnant water structure on hydraulic engineering adopts following technical scheme:
the utility model provides an anti-seepage water stop structure on hydraulic engineering, is including setting up the first waterproof layer on the dam body upstream face, first waterproof layer is kept away from and is provided with the reservoir bed on the side of dam body, the reservoir bed is kept away from be provided with the second waterproof layer on the side of first waterproof layer, the water storage canal has been seted up on the water storage, the length direction of water storage canal is followed the slope direction of first waterproof layer is provided with on the dam and is used for the extraction the suction pump of ponding in the water storage canal.
Through adopting above-mentioned technical scheme, the water of dam upstream face department is blockked by the second waterproof layer, when water infiltration second waterproof layer contacts with the water storage layer, the infiltration water assembles on the water storage layer surface, and finally assemble in the water storage ditch, when the infiltration water in the water storage ditch assembles a quantitative, the suction pump takes the water out in the water storage ditch, at this in-process, first waterproof layer avoids the water of storing in the water storage ditch as far as possible to continue the infiltration, through setting up first waterproof layer, the second waterproof layer, water storage layer and water storage ditch, dam body prevention of seepage performance has been strengthened, the life of each waterproof layer has also been prolonged, the frequency of staff's inspection has been reduced, the interval between the inspection at every turn has been prolonged, staff's work load has been reduced.
Optionally, the first waterproof layer is specifically a sodium bentonite layer.
By adopting the technical scheme, the sodium bentonite is an excellent waterproof and anti-seepage material, the waterproof blanket made of the sodium bentonite can be directly paved on the upstream surface of the dam, and meanwhile, the waterproof blanket made of the sodium bentonite is high in manufacturing cost and is used as a first waterproof layer and is not in direct contact with water, so that the service life of the waterproof blanket is prolonged, and the effect of reducing the cost is achieved.
Optionally, the water storage layer is specifically a cement mortar layer.
Through adopting above-mentioned technical scheme, cement mortar cost is low and the processing of being convenient for, and cement mortar also can play better guard action to first waterproof layer simultaneously.
Optionally, the second waterproof layer is specifically a composite geomembrane layer.
By adopting the technical scheme, the composite geotextile has relatively good anti-seepage performance, the manufacturing cost is lower than that of sodium bentonite, the construction of the composite geotextile layer is more convenient, and the geotextile layer can be directly laid for use.
Optionally, the opening of the water storage channel is open.
Through adopting above-mentioned technical scheme, the opening of uncovered form makes the infiltration water flow in more easily, has promoted the water storage performance of water storage ditch.
Optionally, a plurality of water guide channels are arranged on the water storage layer, the water guide channels are inclined in the length direction, and the lower ends of the water guide channels point to the water storage channels and are communicated with the water storage channels.
Through adopting above-mentioned technical scheme, when the infiltration water passes through the surface that the second waterproof layer got into the reservoir bed, the water guide canal played the effect to the infiltration water guide, was convenient for the infiltration water gets into in the water storage canal.
Optionally, geotextile is laid on the side of the water storage layer far away from the first waterproof layer, and the geotextile is located on one side of the second waterproof layer close to the water storage layer.
Through adopting above-mentioned technical scheme, geotechnological cloth does not have the prevention of seepage performance, but has good filtering action, can filter some silt of aquatic, on the one hand, can reduce the suction pump and be damaged at the in-process of drawing water, and on the other hand can avoid water storage canal and water guide canal to block up.
Optionally, the drinking-water pipe has been laid in the water storage ditch, the one end of drinking-water pipe with the suction pump intercommunication, the other end is located the least significant end on reservoir stratum, the drinking-water pipe is kept away from the port of suction pump is provided with the filter screen.
Through adopting above-mentioned technical scheme, when the suction pump drew water through the drinking-water pipe, the filter screen played the filterable effect of infiltration water in to the aqua storage tank, further avoided the silt damage suction pump of infiltration aquatic.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the first waterproof layer, the second waterproof layer, the water storage layer and the water storage channel, the water seepage prevention performance is enhanced, the service life of each waterproof layer is prolonged, the frequency of detection of workers is reduced, the interval between every two detections is prolonged, and the workload of the workers is reduced;
2. the waterproof blanket made of the sodium bentonite can be directly paved on the upstream surface of the dam, and meanwhile, the waterproof blanket made of the sodium bentonite is high in manufacturing cost and is used as a first waterproof layer and is not in direct contact with water, so that the service life of the waterproof blanket is prolonged, and the effect of reducing the cost is achieved;
3. the composite geotextile has relatively good anti-seepage performance, the manufacturing cost is lower than that of sodium bentonite, and the composite geotextile layer is convenient to construct and can be directly laid for use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
fig. 2 is a partially enlarged schematic view of an embodiment of the present application with a second waterproof layer hidden.
Reference numerals: 1. a first waterproof layer; 2. a water storage layer; 3. a second waterproof layer; 4. a water storage channel; 5. a water pump; 6. a water guide channel; 7. a water pumping pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses prevention of seepage stagnant water structure on hydraulic engineering. Referring to fig. 1 and 2, the seepage-proofing and water-stopping structure on the hydraulic engineering comprises a first waterproof layer 1, a water storage layer 2 and a second waterproof layer 3 which are sequentially laid on the upstream surface of a dam body.
Referring to fig. 1 and 2, the first waterproof layer 1 is specifically a sodium bentonite layer, sodium bentonite is an excellent waterproof and anti-seepage material, and a waterproof blanket made of sodium bentonite is directly laid on the upstream surface of the dam to serve as the first waterproof layer 1, is not in contact with water for a long time, prolongs the service life of the first waterproof layer, and plays a role in controlling cost.
Referring to fig. 1 and 2, reservoir stratum 2 sets up on the side of dam body is kept away from at first waterproof layer 1, and reservoir stratum 2 specifically is cement mortar layer, after laying the waterproof blanket that sodium bentonite made, erects the template on the dam body and pours cement mortar to form reservoir stratum 2, cement mortar cost is low and be convenient for process, can also play the guard action to first waterproof layer 1 is good.
Referring to fig. 1 and 2, the water storage layer 2 is used for storing and collecting the permeated water, a water storage channel 4 is provided on the surface of the water storage layer 2, the length direction of the water storage channel 4 is along the gradient direction of the first waterproof layer 1, and a water suction pump 5 for pumping the accumulated water in the water storage channel 4 is provided on the dam. The opening of the water storage channel 4 is open, and the opening of the water storage channel 4 faces the second waterproof layer 3. A plurality of water guide channels 6 are formed in the water storage layer 2, the water guide channels 6 are obliquely arranged in the length direction, and the water guide channels 6 are communicated with the water storage channel 4.
When the permeated water enters the surface of the water storage layer 2 through the second waterproof layer 3, the water guide channel 6 plays a role of guiding the permeated water, so that the permeated water can enter the water storage channel 4 conveniently, and the permeated water can flow in more easily due to the open-mouth-shaped opening.
Referring to fig. 1 and 2, in order to prevent the water guide channel 6 and the water storage channel 4 from being blocked by the seepage water, a geotextile is laid on the surface of the water storage layer 2 far away from the first waterproof layer 1.
Referring to fig. 1 and 2, the second waterproof layer 3 is located on one side of the water storage layer 2 far away from the first waterproof layer 1, the second waterproof layer 3 is specifically a composite geotextile layer, the composite geotextile has relatively good seepage-proofing performance, the manufacturing cost of the composite geotextile layer is lower than that of sodium bentonite, the construction of the composite geotextile layer is relatively convenient, the composite geotextile layer can be directly laid on the geotextile and can be used, and meanwhile, the composite geotextile layer can be replaced when being damaged.
Referring to fig. 1 and 2, in order to pump out the accumulated water in the water storage channel 4, a water suction pump 5 is placed on the dam, the water suction pump 5 is communicated with a water suction pipe 7 extending into the water storage channel 4, the end part, far away from the water suction pump 5, of the water suction pipe 7 is located at the lowest end of the water storage channel 4, and a filter screen is fixedly connected to the water inlet end of the water suction pipe 7 through welding.
When the suction pump 5 draws water through the suction pipe 7, the filter screen plays a role in filtering the seepage water in the water storage tank, and the suction pump 5 is prevented from being damaged by silt in the seepage water.
The implementation principle of the seepage-proofing and water-stopping structure on the hydraulic engineering is as follows: the water of dam upstream face department is blockked by second waterproof layer 3, when water infiltration second waterproof layer 3 and reservoir 2 contact, the infiltration water assembles on reservoir 2 surface, and finally assemble in water storage ditch 4, when the infiltration water in water storage ditch 4 assembles a quantitative, suction pump 5 takes out water in the water storage ditch 4, in this process, first waterproof layer 1 avoids the water of storing in water storage ditch 4 to continue to permeate as far as possible, through setting up first waterproof layer 1, second waterproof layer 3, reservoir 2 and water storage ditch 4, the prevention of seepage water performance has been strengthened, the life of each waterproof layer has also been prolonged, the frequency of staff's inspection has been reduced, the interval between the inspection at every turn has been prolonged, staff's work load has been reduced.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an anti-seepage stagnant water structure on hydraulic engineering which characterized in that: including setting up first waterproof layer (1) on the dam body upstream face, be provided with reservoir bed (2) on the side of dam body is kept away from in first waterproof layer (1), reservoir bed (2) are kept away from be provided with second waterproof layer (3) on the side of first waterproof layer (1), storage ditch (4) have been seted up on reservoir bed (2), the length direction of storage ditch (4) is followed the slope direction of first waterproof layer (1), be provided with on the dam and be used for the extraction suction pump (5) of ponding in storage ditch (4).
2. An impermeable water-stopping structure on a hydraulic engineering according to claim 1, characterized in that: the first waterproof layer (1) is a sodium bentonite layer.
3. An anti-seepage water-stop structure on hydraulic engineering according to claim 2, characterized in that: the water storage layer (2) is a cement mortar layer.
4. An impermeable water-stopping structure on a hydraulic engineering according to claim 3, characterized in that: the second waterproof layer (3) is specifically a composite geomembrane layer.
5. An impermeable water-stopping structure on the water conservancy project according to claim 4, characterized in that: the opening of the water storage channel (4) is open.
6. An impermeable water-stopping structure on a hydraulic engineering according to claim 5, characterized in that: the water storage layer (2) is provided with a plurality of water guide channels (6), the water guide channels (6) are inclined in the length direction, and the lower ends of the water guide channels (6) point to the water storage channels (4) and are communicated with the water storage channels (4).
7. An impermeable water-stopping structure on a hydraulic engineering according to claim 6, characterized in that: geotechnical cloth is paved on the side face, far away from the first waterproof layer (1), of the water storage layer (2), and the geotechnical cloth is located on one side, close to the water storage layer (2), of the second waterproof layer (3).
8. An impermeable water-stopping structure on a hydraulic engineering according to claim 7, characterized in that: water suction pipe (7) have been laid in water storage ditch (4), the one end of water suction pipe (7) with suction pump (5) intercommunication, the other end is located the least significant end of reservoir stratum (2), water suction pipe (7) are kept away from the port of suction pump (5) is provided with the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120301223.7U CN214497400U (en) | 2021-02-03 | 2021-02-03 | Seepage-proofing water-stopping structure on hydraulic engineering |
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| CN202120301223.7U CN214497400U (en) | 2021-02-03 | 2021-02-03 | Seepage-proofing water-stopping structure on hydraulic engineering |
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| CN214497400U true CN214497400U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351651A (en) * | 2022-02-25 | 2022-04-15 | 北京华昊水利水电工程有限责任公司 | Ecological restoration bank protection of hydraulic engineering |
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2021
- 2021-02-03 CN CN202120301223.7U patent/CN214497400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351651A (en) * | 2022-02-25 | 2022-04-15 | 北京华昊水利水电工程有限责任公司 | Ecological restoration bank protection of hydraulic engineering |
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