CN210482217U

CN210482217U - Seepage-proofing structure of reservoir dam

Info

Publication number: CN210482217U
Application number: CN201921332106.6U
Authority: CN
Inventors: 张世敏
Original assignee: Anhui Tongji Hydropower Construction And Installation Co Ltd
Current assignee: Anhui Tongji Hydropower Construction And Installation Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-08
Anticipated expiration: 2029-08-16

Abstract

The utility model relates to the technical field of water conservancy, and a reservoir dam seepage prevention structure is disclosed, including the ground, be provided with the dam body on the ground, first reinforced concrete layer has been laid to the surface of dam body, the both sides of ground all are equipped with the enhancement baffler, the surface of ground and the surface of enhancement baffler all are provided with second reinforced concrete layer, the surface of second reinforced concrete layer is laid and is equipped with first waterproof layer, there is the clearance between one side that the dam body is close to the waterproof layer and the first reinforced concrete layer inner wall, the inside cover of ground is equipped with the weeping pipe, the feed liquor end of weeping pipe communicates with the clearance that forms between dam body and the waterproof layer, the liquid outlet end of weeping pipe is located the outside of second reinforced concrete layer; and a second waterproof layer is paved on the first reinforced concrete layer. The seepage-proofing structure of the reservoir dam has the effects of seepage proofing and damage reduction.

Description

Seepage-proofing structure of reservoir dam

Technical Field

The utility model relates to a water conservancy technical field specifically is a reservoir dam seepage prevention structure.

Background

The dam refers to a weir for intercepting rivers and blocking water, a water blocking dam of a reservoir, a river and the like.

The existing dam is basically of a concrete pouring structure, and water is easy to permeate into the dam after long-time use, so that the dam is corroded, and further the dam is damaged.

Therefore, an impermeable structure of the reservoir dam is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a reservoir dam seepage prevention structure possesses the prevention of seepage and reduces the advantage of damage, has solved current dam and has been concrete placement structure basically, and long-time use easily causes in the water infiltration dam, causes the erosion to the dam, and then causes the problem that the dam damaged.

The utility model provides a following technical scheme: a seepage-proofing structure of a reservoir dam comprises a foundation, wherein a dam body is arranged on the foundation, a first reinforced concrete layer is laid on the outer surface of the dam body, reinforcing baffle plates are arranged on two sides of the foundation, a second reinforced concrete layer is arranged on the outer surface of the foundation and the outer surface of each reinforcing baffle plate, a first waterproof layer is laid on the outer surface of each second reinforced concrete layer, a gap exists between one side, close to the waterproof layer, of the dam body and the inner wall of each first reinforced concrete layer, a water leakage pipe is sleeved inside the foundation, the liquid inlet end of the water leakage pipe is communicated with the gap formed between the dam body and the waterproof layer, and the liquid outlet end of the water leakage pipe is located outside the second reinforced concrete layer;

and a second waterproof layer is paved on the first reinforced concrete layer, and a screen is paved on one side, far away from the first reinforced concrete layer, of the second waterproof layer.

Preferably, the fixed cover in inside of second waterproof layer has connect rectangular, the rectangular one side and the screen cloth fixed connection of keeping away from first reinforced concrete layer.

Preferably, a cement strip is arranged between the dam body and the waterproof layer, and a leak hole is formed in the cement strip along the vertical direction.

Preferably, the first waterproof layer and the second waterproof layer are geomembranes.

Preferably, the reinforcing baffle is S-shaped in top cross section.

The above technical scheme of the utility model has following profitable technological effect:

under the action of the first reinforced concrete layer, the direct contact between liquid water and the dam body is isolated, and by selecting the geomembrane as a second waterproof layer, thereby isolating the erosion of the first reinforced concrete layer by the liquid water in the reservoir, achieving the effect of protecting the first reinforced concrete layer, and under the action of the screen mesh, the impact of the liquid water in the reservoir is protected and buffered, the damage of the liquid water to the second waterproof layer is further reduced, when the second waterproof layer is damaged for a long time, water seeps, liquid water enters a gap between the second waterproof layer and the dam body and is finally discharged by the water leaking pipe, the erosion of the liquid water to the dam body is reduced, and the effect of reducing the damage of the dam body is achieved, under the effect of strengthening the hindering board, played the effect of stabilizing the ground use, under the effect of first waterproof layer, played the protection second reinforced concrete layer and not corroded.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the top cross-sectional structure of the foundation of the present invention.

In the figure: 1. a foundation; 2. a dam body; 3. a first reinforced concrete layer; 4. reinforcing the baffle plate; 5. a second reinforced concrete layer; 6. a first waterproof layer; 7. a water leakage pipe; 8. a second waterproof layer; 9. screening a screen; 10. a strip; 11. a cement strip; 12. and (4) a leak hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an anti-seepage structure of a reservoir dam comprises a foundation 1, a dam body 2 is arranged on the foundation 1, a first reinforced concrete layer 3 is laid on the outer surface of the dam body 2, reinforcing baffle plates 4 are arranged on two sides of the foundation 1, a second reinforced concrete layer 5 is arranged on the outer surface of the foundation 1 and the outer surfaces of the reinforcing baffle plates 4, a first waterproof layer 6 is laid on the outer surface of the second reinforced concrete layer 5, a gap is formed between one side of the dam body 2 close to the waterproof layer 6 and the inner wall of the first reinforced concrete layer 3, a water leakage pipe 7 is sleeved inside the foundation 1, the liquid inlet end of the water leakage pipe 7 is communicated with the gap formed between the dam body 2 and the waterproof layer 6, and the liquid outlet end of the water leakage pipe 7 is positioned outside the second reinforced concrete layer 5;

a second waterproof layer 8 is laid on the first reinforced concrete layer 3, and a screen 9 is laid on one side, far away from the first reinforced concrete layer 3, of the second waterproof layer 8.

In the utility model, under the action of the first reinforced concrete layer 3, the direct contact of the liquid water with the dam body 2 is further isolated, the erosion of the liquid water in the reservoir to the first reinforced concrete layer 3 is further isolated by selecting the geomembrane as the second waterproof layer 8, so that the effect of protecting the first reinforced concrete layer 3 is achieved, under the action of the screen 9, the effect of protecting and buffering the impact of the liquid water in the reservoir is achieved, the damage of the liquid water to the second waterproof layer 8 caused by the impact is further reduced, the water seepage is caused when the second waterproof layer 8 is damaged for a long time, the liquid water enters into the gap between the second waterproof layer 8 and the dam body 2 and is finally discharged by the water leakage pipe 7, the erosion of the liquid water to the dam body 2 is reduced, the effect of reducing the damage of the dam body 2 is achieved, under the action of the reinforcing baffle plate 4, the effect of stabilizing the use of the foundation 1 is achieved, under the action of the first waterproof layer 6, the second reinforced concrete layer 5 is protected from being corroded.

In an alternative embodiment, the strip 10 is fixedly sleeved inside the second waterproof layer 8, and one side of the strip 10 away from the first reinforced concrete layer 3 is fixedly connected with the screen 9, so that the effect of stabilizing the installation position of the screen 9 is achieved under the action of the strip 10.

In an optional embodiment, be provided with cement strip 11 between dam body 2 and the waterproof layer 6, and the small opening 13 has been seted up along vertical direction in the inside of cement strip 11, under rectangular 10's effect, the effect of connecting the position between second waterproof layer 8 and dam body 2 has been played, further make to connect between second waterproof layer 8 and the dam body 2 the position more stable, under the effect of small opening 13, when making the damaged inside of the first reinforced concrete layer 3 of liquid water infiltration when second waterproof layer 8 is impaired, pass and enter into the interior discharge of small opening 7 by small opening 13.

In an optional embodiment, the first waterproof layer 6 and the second waterproof layer 8 are geomembranes, and the characteristics of small specific gravity, strong extensibility, high adaptive deformability, corrosion resistance, low temperature resistance, good freezing resistance and the like are utilized, so that the effect of stable water seepage prevention is achieved.

In an alternative embodiment, the reinforcing resistance plate 4 has an S-shaped cross section in plan view, and the reinforcing resistance plate 4 is cast of reinforced concrete so that the reinforcing resistance plate 4 stably fixes the position of the foundation 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reservoir dam seepage prevention structure, includes ground (1), its characterized in that: a dam body (2) is arranged on the foundation (1), a first reinforced concrete layer (3) is laid on the outer surface of the dam body (2), both sides of the foundation (1) are provided with reinforced baffle plates (4), the outer surface of the foundation (1) and the outer surface of the reinforced baffle plates (4) are provided with second reinforced concrete layers (5), a first waterproof layer (6) is laid on the outer surface of the second reinforced concrete layer (5), a gap is formed between one side of the dam body (2) close to the waterproof layer (6) and the inner wall of the first reinforced concrete layer (3), a water leakage pipe (7) is sleeved in the foundation (1), the liquid inlet end of the water leakage pipe (7) is communicated with a gap formed between the dam body (2) and the waterproof layer (6), the liquid outlet end of the water leakage pipe (7) is positioned outside the second reinforced concrete layer (5);

and a second waterproof layer (8) is paved on the first reinforced concrete layer (3), and a screen (9) is paved on one side, far away from the first reinforced concrete layer (3), of the second waterproof layer (8).

2. The seepage prevention structure of a reservoir dam as claimed in claim 1, wherein: the fixed cover in inside of second waterproof layer (8) has been connected rectangular (10), one side and screen cloth (9) fixed connection of first reinforced concrete layer (3) are kept away from to rectangular (10).

3. The seepage prevention structure of a reservoir dam as claimed in claim 1, wherein: a cement strip (11) is arranged between the dam body (2) and the waterproof layer (6), and a leak hole (13) is formed in the cement strip (11) in the vertical direction.

4. The seepage prevention structure of a reservoir dam as claimed in claim 1, wherein: the first waterproof layer (6) and the second waterproof layer (8) are both geomembranes.

5. The seepage prevention structure of a reservoir dam as claimed in claim 1, wherein: the cross section of the reinforced baffle plate (4) is S-shaped in a top view.