CN217997975U - Hydraulic engineering seepage prevention structure - Google Patents
Hydraulic engineering seepage prevention structure Download PDFInfo
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- CN217997975U CN217997975U CN202221851570.8U CN202221851570U CN217997975U CN 217997975 U CN217997975 U CN 217997975U CN 202221851570 U CN202221851570 U CN 202221851570U CN 217997975 U CN217997975 U CN 217997975U
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Abstract
The utility model discloses a hydraulic engineering seepage prevention structure, the dam body that includes river course and river course both sides, one side that two dam bodies are close to the river course is provided with the dam body overburden, one side that the dam body overburden is far away from the river course is provided with the dam body barrier, the dam body overburden is closely connected with the dam body barrier through a plurality of connection anchor assembly, one side that the dam body barrier is far away from the river course is provided with the dam body inverted filter, the dam body inverted filter covers in one side that the dam body is close to the river course, the river course bottom is provided with the river course barrier, be provided with the river course overburden on the river course barrier; generally, the utility model discloses easy construction, the prevention of seepage performance is superior, and the prevention of seepage is rational in infrastructure, and the prevention of seepage body exempts from to compact and strong with dam structure compatibility, has certain self-healing ability, can show and promote hydraulic engineering stability, green economy environmental protection, and economic social is showing, and application prospect is wide.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field, concretely relates to hydraulic engineering seepage prevention structure.
Background
The hydraulic engineering has irreplaceable important functions in flood control, flood drainage, disaster prevention, disaster reduction and the like, and simultaneously plays a great role in production management and management of industrial production, agricultural irrigation, resident life, ecological environment and the like. In the construction of hydraulic engineering, a dam body is generally constructed by adopting local soil materials, stone materials or mixed materials through methods of throwing, filling, rolling and the like, and the seepage-proofing problem of the dam body is solved by paving an seepage-proofing water film, bentonite or grouting concrete on the dam body.
SUMMERY OF THE UTILITY MODEL
A main object of the utility model is to provide an easily be under construction among the construction hydraulic engineering, the prevention of seepage performance is superior, and the seepage prevention structure is reasonable, and the prevention of seepage body exempts from to compact and strong with dam structure compatibility, has certain self-healing ability, can show the prevention of seepage structure who promotes hydraulic engineering stability, green economy environmental protection.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a hydraulic engineering seepage prevention structure, includes the dam body of river course and river course both sides, two the dam body is close to one side of river course is provided with the dam body overburden, the dam body overburden is kept away from one side of river course is provided with the dam body barrier, the dam body overburden through a plurality of connection anchor assembly with dam body barrier zonulae occludens, the dam body barrier is kept away from one side of river course is provided with the dam body inverted filter, the dam body inverted filter covers the dam body is close to one side of river course, the river course bottom is provided with the river course barrier, be provided with the river course overburden on the river course barrier.
And the two dam bodies are formed by filling earth and stone.
The dam body impermeable layer and the river channel impermeable layer are formed by pouring and molding vibrating liquefied consolidated soil formed by mixing muck, a curing agent, an additive and a proper amount of water.
The pouring thickness of the dam body impermeable layer and the river channel impermeable layer is not less than 300mm.
The two dam body impermeable layers and the river channel impermeable layer are connected into a whole.
One end of the connecting anchoring piece extends into the impervious barrier of the dam body, and the other end of the connecting anchoring piece is flush with the side, close to the river, of the dam body covering layer.
The lower parts of the two dam body covering layers extend to the bottom of the river channel and are connected with the river channel covering layer.
The two dam body covering layers extending to the bottom of the river channel are tightly connected with the river channel impermeable layer through the connecting anchoring pieces respectively, one end of the connecting anchoring piece extends into the dam body impermeable layer, and the other end of the connecting anchoring piece is flush with the side, close to the river channel, of the river channel covering layer.
The dam body impervious layers are respectively connected with the corresponding dam bodies into a whole through dam top pavements.
The connecting anchoring piece adopts an anchor rod.
The beneficial effects of the utility model reside in that:
1. the dam body is provided with the dam body covering layer, the dam body seepage-proofing layer and the dam body inverted filter layer, and the river course seepage-proofing layer and the river course covering layer are arranged at the bottom of the river course to form a multiple seepage-proofing structure, the whole seepage-proofing structure is reasonable and scientific, the engineering seepage-proofing performance and the dam body stability can be obviously improved, and potential safety hazards are eliminated;
2. the impervious layer is formed by pouring the vibration liquefied consolidated soil formed by mixing the muck, the curing agent, the additive and a proper amount of water, so that the recycling of waste materials such as the muck is realized, compaction is avoided after pouring the impervious body, the construction problems of narrow construction area, difficulty in tamping and the like of a dam are solved, the construction efficiency is greatly improved, the construction cost is reduced, and the method is green, economical and environment-friendly;
3. the dam body covering layer and the impermeable layer are fixedly connected through the anchor rods, so that the effect is good and the cost is low; the anchor rod penetrates into the impermeable layer and does not penetrate through the impermeable layer, so that water flow can be effectively prevented from passing through the anchor rod installation Kong Shenguo dam body, and the impermeable performance is better;
4. the top of the dam body is provided with a dam crest road surface, and the dam body is respectively integrated with the dam body through the dam body impermeable layer, so that the stability of the dam body is improved, the traffic problems of pedestrians and vehicles are solved, a safety channel is provided for rescue vehicles and goods and materials in flood control and emergency, and the economic and social benefits are remarkable;
generally, the utility model discloses easy construction, the prevention of seepage performance is superior, and the prevention of seepage is rational in infrastructure, and the prevention of seepage body exempts from to compact and strong with dam structure compatibility, has certain self-healing ability, can show and promote hydraulic engineering stability, green economy environmental protection, and economic social is showing, and application prospect is wide.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
in the figure: 1. river channel, 2, dam body, 3, dam body covering layer, 4, dam body impervious layer, 5, connecting anchoring piece, 6, dam body inverted filter layer, 7, river channel impervious layer, 8 and river channel covering layer.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1 and fig. 2, a hydraulic engineering seepage-proofing structure comprises a river channel 1 and dam bodies 2 on two sides of the river channel 1, a dam body covering layer 3 is laid on one side of each of the two dam bodies 2 close to the river channel 1, the dam body covering layer 3 can be made of concrete or precast concrete slabs or precast stone slabs, a dam body seepage-proofing layer 4 is laid on one side of the dam body covering layer 3 away from the river channel 1, the dam body covering layer 3 is tightly and fixedly connected with the dam body seepage-proofing layer 4 through a plurality of connecting anchors 5, a dam body reverse-filtering layer 6 is laid on one side of the dam body seepage-proofing layer 4 away from the river channel 1, the dam body reverse-filtering layer 6 covers one side of the whole dam body 2 close to the river channel 1, a river channel seepage-proofing layer 7 is laid at the bottom of the river channel 1, a river channel seepage-proofing layer 8 is laid on the river channel seepage-proofing layer 7, fine sand, crushed stone and the like can be laid on the river channel covering layer 8, the dam body covering layer 3 and the river channel seepage-proofing layer 7 can protect the dam body seepage-proofing layer 4 and the river channel seepage-proofing layer 7 from water flow, the seepage-proofing layer can reasonably promote the service life of the dam body seepage-proofing structure, and the safety of the dam body seepage-proofing structure, and the seepage-proofing layer, and the safety of the dam body seepage-proofing structure can be reasonably formed, and the safety of the dam body can be obviously promoted, and the seepage-proofing layer.
The dam body 2 is formed by filling earth and stone, so that the whole engineering construction cost can be effectively reduced; the connecting anchoring piece 5 can be an anchor rod, and is convenient to install and use.
The dam body impervious layer 4 and the river channel impervious layer 7 are mixed by muck, a curing agent, an additive and a proper amount of water, the particle size, shape, gradation and density of materials such as muck are controlled, and then the vibro-liquefied consolidated soil formed by vibration mixing is poured and formed, the flow expansion degree of the vibro-liquefied consolidated soil is 100-300 mm, the flowing property is good, the pouring is convenient to directly pour through a chute and a pumping device or a concrete truck, the 28d unconfined compressive strength is more than or equal to 0.3MPa, the permeability coefficient is 1 multiplied by 10 -9 cm/s～1×10 -6 cm/s, the dam body impermeable layer 4 and the river channel impermeable layer 7 which are formed by pouring the vibrated liquefied consolidated soil have small permeability coefficient, very low permeability and excellent impermeable performance, waste materials such as muck and the like are recycled, the economic benefit is remarkable, the dam body 2 structural material has strong compatibility, and the dam body 2 structural material has certain self-healing capability, can effectively avoid the generation of dam body cracks, and improves the engineering safety.
The pouring thickness of the dam body impermeable layer 4 and the river channel impermeable layer 7 is not less than 300mm, water flow can be effectively prevented from seeping through the dam body, the impermeable layer is not compacted after pouring, the construction problems that a dam construction area is narrow and difficult to tamp are solved, the construction efficiency is greatly improved, the construction cost is reduced, the construction method is green, economic and environment-friendly, before the dam body impermeable layer 4 and the river channel impermeable layer 7, the flow expansion degree of the vibration liquefaction consolidation soil is tested by sampling, a cylindrical barrel with the upper opening and the lower opening having the inner diameter of 75 +/-1 mm and the height of 150 +/-1 mm, the inner wall of the cylindrical barrel being smooth and the wall thickness of not less than 5mm and two ends of the cylindrical barrel being flush and smooth is placed on a horizontal glass flat plate, and the stirred vibration liquefaction consolidation soil is loaded into the cylindrical barrel twice, when the concrete is loaded once, a tamping bar is adopted to uniformly insert and tamp for 5 times, the upper end face of a cylindrical barrel is scraped along the upper end face by a spatula, the cylindrical barrel is vertically upwards pulled up once, the mixture forms a cake-shaped object on a glass flat plate after falling down, the diameter of the cake-shaped object is respectively measured in the maximum diameter direction and the vertical direction by a steel ruler to be 5mm, the average value of the two diameters is the flow expansion degree of the vibration liquefaction concreted soil mixture, when the measured flow expansion degree is 100 mm-300 mm, a finished product is obtained, a cubic test piece of 70.7mm is simultaneously sampled and maintained for 28 days, and the unconfined compressive strength and the permeability coefficient of the test piece are tested.
The two dam body impermeable layers 4 of the river channel 1 and the river channel impermeable layer 7 are connected into a whole, so that the impermeable performance of the engineering can be improved in all directions, and water flow is prevented from seeping through the dam body 2 between the dam body impermeable layers 4 and the river channel impermeable layers 7.
One end of the connecting anchor piece 5 extends into the dam body impermeable layer 4, but does not penetrate through the dam body impermeable layer 4, so that water flow can be effectively prevented from passing through the installation Kong Shenguo dam body 2 of the connecting anchor piece 5, the impermeable performance is improved, the other end of the connecting anchor piece 5 is flush with the side, close to the river channel 1, of the dam body covering layer 3, people or animals falling into the dam body can be prevented from being scratched, and sundries in water can be prevented from being caught to enable the water flow to be smooth.
The lower parts of the dam body covering layers 3 on the two sides of the river channel 1 extend to the bottom of the river channel 1 and are connected with the river channel covering layer 8, so that the joint of the dam body impermeable layer 4 and the river channel impermeable layer 7 is prevented from being washed by water flow; the dam body overburden 3 that extends to 1 bottom in river course is in the same place through a plurality of connection anchor assembly 5 and the inseparable fixed connection of river course barrier layer 7 respectively, connects anchor assembly 5 one end and deepens into inside river course barrier layer 7, nevertheless does not pierce through river course barrier layer 7, connects the anchor assembly 5 other end and flushes with 8 tops in river course overburden.
The dam crest road surfaces are respectively paved on the tops of the dam bodies 2 on the two sides of the river channel 1, and the dam body impermeable layers 4 on the two sides of the river channel 1 are respectively connected with the dam bodies 2 on the same side into a whole through the dam crest road surfaces, so that the stability of lifting the dam is improved, the problem of pedestrian and vehicle passing is solved, a safety channel is provided for rescue vehicles and goods and materials in flood control and emergency, and the economic and social benefits are remarkable.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hydraulic engineering seepage prevention structure which characterized in that: the dam body including river course and river course both sides, two the dam body is close to one side of river course is provided with the dam body overburden, the dam body overburden is kept away from one side of river course is provided with the dam body barrier layer, the dam body overburden through a plurality of connection anchor assembly with dam body barrier layer zonulae occludens, the dam body barrier layer is kept away from one side of river course is provided with the dam body inverted filter, the dam body inverted filter covers the dam body is close to one side of river course, the river course bottom is provided with the river course barrier layer, be provided with the river course overburden on the river course barrier layer.
2. The hydraulic engineering seepage-proofing structure of claim 1, characterized in that: and the two dam bodies are formed by filling earth and stone.
3. The hydraulic engineering seepage-proofing structure of claim 1, characterized in that: the dam body impermeable layer and the river channel impermeable layer are formed by pouring and molding vibrating liquefied consolidated soil formed by mixing muck, a curing agent, an additive and a proper amount of water.
4. The hydraulic engineering seepage-proofing structure of claim 3, characterized in that: the pouring thickness of the dam body impermeable layer and the river channel impermeable layer is not less than 300mm.
5. The hydraulic engineering seepage-proofing structure of claim 3, characterized in that: the two dam body impermeable layers and the river channel impermeable layer are connected into a whole.
6. The hydraulic engineering seepage-proofing structure of claim 1, characterized in that: one end of the connecting anchoring piece extends into the impervious barrier of the dam body, and the other end of the connecting anchoring piece is flush with the side, close to the river, of the dam body covering layer.
7. The hydraulic engineering seepage-proofing structure of claim 1, characterized in that: the lower parts of the two dam body covering layers extend to the bottom of the river channel and are connected with the river channel covering layer.
8. The hydraulic engineering seepage-proofing structure of claim 7, characterized in that: the two dam body covering layers extending to the bottom of the river channel are respectively and tightly connected with the river channel impermeable layer through the connecting anchoring pieces, one end of the connecting anchoring piece extends into the river channel impermeable layer, and the other end of the connecting anchoring piece is flush with the side, close to the river channel, of the river channel covering layer.
9. The hydraulic engineering seepage-proofing structure of claim 1, characterized in that: the impervious layers of the dam bodies are respectively connected with the corresponding dam bodies into a whole through the road surfaces at the tops of the dams.
10. The hydraulic engineering seepage-proofing structure of any one of claims 1 to 9, characterized in that: the connecting anchoring piece adopts an anchor rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851570.8U CN217997975U (en) | 2022-07-19 | 2022-07-19 | Hydraulic engineering seepage prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851570.8U CN217997975U (en) | 2022-07-19 | 2022-07-19 | Hydraulic engineering seepage prevention structure |
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| Publication Number | Publication Date |
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| CN217997975U true CN217997975U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221851570.8U Active CN217997975U (en) | 2022-07-19 | 2022-07-19 | Hydraulic engineering seepage prevention structure |
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| CN (1) | CN217997975U (en) |
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- 2022-07-19 CN CN202221851570.8U patent/CN217997975U/en active Active
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