CN217870264U

CN217870264U - Seepage-proofing structure for reservoir dam

Info

Publication number: CN217870264U
Application number: CN202221941458.3U
Authority: CN
Inventors: 孔效明
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-22
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a seepage-proofing structure for reservoir dam, the utility model discloses a dam body, the dam body bottom is equipped with the seepage-proofing bottom layer through reinforced concrete layer structural connection, seepage-proofing bottom layer surface is equipped with the baffle layer, the baffle layer top is equipped with the pressure release layer, the pressure release layer surface is equipped with the reservoir, the reservoir bottom is equipped with first permeation tube, second permeation tube and the third permeation tube of evenly arranged, first permeation tube, second permeation tube and third permeation tube bottom are equipped with the connected water absorption plate, the water absorption plate is located baffle layer one side; the centers of the first permeation tube, the second permeation tube and the third permeation tube are provided with high-pressure water pumps, the surface of the pressure relief layer is also provided with a plurality of pressure relief holes, and pressure relief safety valves are connected in the pressure relief holes; the dam has the advantages that the stable internal supporting structure and the stable external water-resisting structure are provided, and the phenomenon that seepage water contacts the dam body to corrode and damage the surface of the dam body is prevented.

Description

Seepage-proofing structure for reservoir dam

Technical Field

The utility model relates to an anti-seepage technical field, specifically speaking relates to a reservoir is seepage prevention structure for dam.

Background

The dam, chinese vocabulary, refers to a dam for intercepting rivers and blocking water, and a dam for retaining water in reservoirs, rivers and the like. The common reservoir dam mainly comprises a main dam, an auxiliary dam, a gravity dam, a normal spillway, an emergency spillway, a smart main canal culvert and a power station.

At present, chinese patent publication No. CN210482217U discloses a reservoir dam seepage prevention structure, which 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 both 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 the second reinforced concrete layer, a gap exists between one side of the dam body close to the waterproof layer and the inner wall of the 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. The seepage-proofing structure of the reservoir dam has the effects of seepage proofing and damage reduction.

Although this can play a certain role in preventing seepage, the following: under the long-time use state, this kind of structure easily causes water infiltration dam in, just can not discharge ponding completely through the water leakage pipe, can produce a small amount of ponding, causes the erosion to the dam for a long time, and then causes the damage of dam.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to prior art not enough, the utility model aims to provide a seepage prevention structure for reservoir dam has stable inside bearing structure and outside water proof structure, prevents that the infiltration from contacting the dam body, causes erosion and damage to the dam body surface.

(II) technical scheme

The utility model provides a seepage-proofing structure for reservoir dam, which comprises a dam body, wherein the bottom of the dam body is provided with a seepage-proofing bottom layer connected by a reinforced concrete layer structure, the surface of the seepage-proofing bottom layer is provided with a baffle layer, the top of the baffle layer is provided with a pressure relief layer, the surface of the pressure relief layer is provided with a liquid storage tank, the bottom of the liquid storage tank is provided with a first permeation tube, a second permeation tube and a third permeation tube which are uniformly arranged, the bottoms of the first permeation tube, the second permeation tube and the third permeation tube are provided with connected water absorption plates, and the water absorption plates are positioned on one side of the baffle layer; and a reinforcing rod is further arranged between the baffle layer and the dam body, one end of the reinforcing rod is fixedly welded with the dam body, and the other end of the reinforcing rod is connected with the baffle through a threaded locking rod.

By adopting the technical scheme, the anti-seepage bottom layer connected with the reinforced concrete layer is arranged at the bottom of the dam body, so that the anti-seepage dam has stronger and lasting connection stability, and can completely prevent water flow from permeating into the surface and the interior of the dam body from the bottom; the baffle layer can isolate water seepage on the surface of the dam body, and the baffle layer is connected with the surface of the baffle layer through the upper reinforcing rod welded and fixed with the dam body and is matched and fixed with the thread locking rod, so that the baffle layer can be tightly connected to the surface of the dam body more stably and durably to isolate external water seepage; in case some accumulated water permeates the baffle layer, a small amount of accumulated water is absorbed into the liquid storage tank above through the cooperation of the water absorption plate on one side of the baffle layer and the three permeation pipes, and can be discharged in time, so that the risk is reduced.

As the preferred scheme, the surface of the anti-seepage bottom layer is provided with a fixedly connected drainage plate, and the surface of the drainage plate is provided with silt scouring grooves facing to two sides.

Through adopting above-mentioned technical scheme, set up in the outside orientation in baffling layer both sides can be guided rivers to the drainage plate on prevention of seepage bottom surface to surperficial silt scouring bath can be washed away most silt together and take away, avoids storing up in the surface of prevention of seepage bottom, influences the stability ability of whole seepage prevention structure.

Preferably, a filter screen layer is arranged on the surface of the baffle layer, and a fixed support rod is arranged between the filter screen layer and the baffle layer.

By adopting the technical scheme, the filter screen layer arranged on the surface of the baffle layer can isolate sediment impact objects in the screening water, and the baffle layer and the dam body are prevented from being impacted and damaged by entering the surface of the baffle layer.

Preferably, the centers of the first permeation tube, the second permeation tube and the third permeation tube are provided with high-pressure water pumps, the surface of the pressure relief layer is also provided with a plurality of pressure relief holes, and the pressure relief holes are internally connected with pressure relief safety valves.

Through adopting above-mentioned technical scheme, in case there is partial ponding to permeate the baffler layer, the cooperation of the water absorption board of accessible baffler layer one side, high-pressure suction pump and three infiltration pipe absorbs the reservoir of top with a small amount of ponding in, and the discharge in time, the inside pressure of accessible pressure release relief valve release in the pressure release hole reduces the risk simultaneously.

As a preferred scheme, a sand-stone preventing and fixing layer is arranged between the dam body and the baffle layer below the reinforcing rods.

Through adopting above-mentioned technical scheme, the gravel is prevented solid layer and can be effectively strengthened the stability and the crushing resistance of whole baffle, avoids external impact to cause influence and destruction to the dam body.

Preferably, the bottom of the filter screen layer is provided with a fixedly connected reinforcing strip.

Through adopting above-mentioned technical scheme, set up in the reinforcing strip on filter screen layer surface and strengthened the stability of structure, prevent that water impact from causing deformation to filter screen layer surface.

(III) advantageous effects

Compared with the prior art, the utility model provides a seepage prevention structure for reservoir dam possesses following

Advantageous effects

1. The anti-seepage bottom layer and the baffle layer which are connected with the reinforced concrete layer are arranged at the bottom of the dam body and on the surface of the dam body, the surface of the dam body can be isolated from external water flow, the whole structure is kept stable and durable through the inner sand and stone anti-solidification layer and the reinforcing rods above the inner sand and stone anti-solidification layer, meanwhile, the drainage plates and the filter layers below the dam body can guide the water flow to the direction of the outer parts of the two sides of the baffle layer, and silt on the surface scours the grooves, so that the baffle layer and the dam body are prevented from being impacted and damaged by entering the surface of the baffle layer.

2. The water absorption plate on one side of the baffle layer, the high-pressure water suction pump and the three permeation tubes are matched, a small amount of accumulated water is absorbed into the liquid storage tank above the water absorption plate, the accumulated water can be discharged in time, and meanwhile, the pressure relief safety valve in the pressure relief hole releases the pressure inside, so that the risk is reduced.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic side view of the present invention.

In the figure: 1. a dam body; 2. a reinforced concrete layer; 3. a barrier bottom layer; 4. a baffle layer; 5. a pressure relief layer; 6. a liquid storage tank; 7. a first permeate tube; 8. a second permeate tube; 9. a third permeate tube; 10. a water absorption plate; 11. a high-pressure water pump; 12. a pressure relief safety valve; 13. a reinforcing bar; 14. a threaded locking rod; 15. a sand and stone anti-solidification layer; 16. a drainage plate; 17. washing the tank with silt; 18. a filter screen layer; 19. fixing the support rod; 20. a reinforcing strip.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention: an anti-seepage structure for a reservoir dam comprises a dam body 1, wherein an anti-seepage bottom layer 3 structurally connected through a reinforced concrete layer 2 is arranged at the bottom of the dam body 1, water can be effectively prevented from seeping into the surface and the interior of the dam body from the bottom through the arrangement of the anti-seepage bottom layer 3, a baffle layer 4 is arranged on the surface of the anti-seepage bottom layer 3, a pressure relief layer 5 is arranged at the top of the baffle layer 4, a liquid storage tank 6 is arranged on the surface of the pressure relief layer 5, a first penetration pipe 7, a second penetration pipe 8 and a third penetration pipe 9 which are uniformly arranged are arranged at the bottom of the liquid storage tank 6, water absorption plates 10 connected with one another are arranged at the bottoms of the first penetration pipe 7, the second penetration pipe 8 and the third penetration pipe 9, and the water absorption plates 10 are positioned on one side of the baffle layer 4; the center department of first infiltration pipe 7, second infiltration pipe 8 and third infiltration pipe 9 is equipped with high-pressure suction pump 11, through the cooperation of absorbent panel 10, high-pressure suction pump 11 and three infiltration pipe of baffle layer 4 one side, will not be absorbed to the reservoir 6 of top in by a small amount of ponding of exhaust in, guarantee inside no ponding, pressure release relief valve 12 in the accessible pressure release hole releases inside pressure simultaneously, the reduction risk.

As shown in fig. 1 and 4, a reinforcing rod 13 is further arranged between the baffle layer 4 and the dam body 1, one end of the reinforcing rod 13 is fixedly welded with the dam body 1, and the other end of the reinforcing rod 13 is connected with the baffle through a thread locking rod 14; utilize the infiltration that the dam body 1 surface can effectually be blockked to dam body 4, and connect 4 surfaces of dam body through stiffener 13, fixed with screw locking lever 14's cooperation, can stabilize lasting make 4 zonulae occludens in dam body 1 surface more, realize stable waterproof, it is serious to avoid 1 inside infiltration of dam body, stiffener 13 below is equipped with grit between dam body 1 and dam body 4 and prevents solid layer 15, effectively strengthen the stability and the crushing resistance of whole baffle greatly, avoid external impact to dam body 1.

As shown in fig. 1 and 3, the surface of the impermeable bottom layer 3 is provided with a fixedly connected drainage plate 16, and the surface of the drainage plate 16 is provided with silt scouring grooves 17 facing to two sides; the surface of the baffle layer 4 is provided with a filter screen layer 18, the filter screen layer 18 can isolate sediment impact objects in the screening water, the baffle layer 4 and the dam body 1 are prevented from being impacted and damaged by entering the surface of the baffle layer 4, a fixed support rod 19 is arranged between the filter screen layer 18 and the baffle layer 4, the bottom of the filter screen layer is provided with a fixedly connected reinforcing strip 20, the flow guide plate 16 guides the water flow to the direction of the outer parts of the two sides of the baffle layer, and the sediment flushing groove 17 on the surface can flush and take away most of the sediment together to prevent the sediment from being accumulated on the surface of the anti-seepage bottom layer.

The utility model discloses a theory of operation is: the anti-seepage bottom layer 3 connected by the reinforced concrete layer 2 is arranged at the bottom of the dam body 1, so that the anti-seepage dam has stronger and lasting connection stability, and can completely prevent water flow from permeating into the surface and the interior of the dam body 1 from the bottom; and then the baffle layer 4 can isolate the water seepage on the surface of the dam body 1, and the reinforcing rod 13 which is welded and fixed with the dam body 1 and is arranged above the baffle layer 4 is connected with the surface of the baffle layer 4 and is matched and fixed with the thread locking rod 14, so that the baffle layer 4 can be more stably and durably tightly connected with the surface of the dam body 1, and the external water seepage is isolated. The drainage plates 16 arranged on the surface of the anti-seepage bottom layer 3 can guide water flow to the direction of the outer parts of the two sides of the baffle layer 4, and the silt scouring grooves 17 on the surface can scour away most of silt together, so that the phenomenon that the silt is accumulated on the surface of the anti-seepage bottom layer 3 to influence the stability of the whole anti-seepage structure is avoided. The filter screen layer 18 arranged on the surface of the baffle layer 4 can isolate sediment impact objects in the screening water, and the sediment impact objects can be prevented from entering the surface of the baffle layer 4 to impact and damage the baffle layer 4 and the dam body 1.

In case that part of accumulated water permeates the baffle layer 4, a small amount of accumulated water can be absorbed into the upper liquid storage tank 6 through the cooperation of the water absorption plate 10 and the high-pressure water suction pump 11 on one side of the baffle layer 4 and the three permeation pipes, the accumulated water can be discharged in time, and meanwhile, the pressure inside the liquid storage tank can be released through the pressure relief safety valve 12 in the pressure relief hole, so that the risk is reduced.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a seepage prevention structure for reservoir dam, includes dam body (1), its characterized in that: the dam comprises a dam body (1) and is characterized in that an anti-seepage bottom layer (3) structurally connected through a reinforced concrete layer (2) is arranged at the bottom of the dam body (1), a baffle layer (4) is arranged on the surface of the anti-seepage bottom layer (3), a pressure relief layer (5) is arranged at the top of the baffle layer (4), a liquid storage tank (6) is arranged on the surface of the pressure relief layer (5), first permeation pipes (7), second permeation pipes (8) and third permeation pipes (9) which are uniformly arranged are arranged at the bottom of the liquid storage tank (6), water absorption plates (10) connected with each other are arranged at the bottoms of the first permeation pipes (7), the second permeation pipes (8) and the third permeation pipes (9), and the water absorption plates (10) are located on one side of the baffle layer (4); and a reinforcing rod (13) is further arranged between the baffle layer (4) and the dam body (1), one end of the reinforcing rod (13) is welded and fixed with the dam body (1), and the other end of the reinforcing rod (13) is connected with the baffle through a thread locking rod (14).

2. The seepage-proofing structure for reservoir dams according to claim 1, wherein: seepage control bottom (3) surface is equipped with fixed connection's drainage plate (16), drainage plate (16) surface is equipped with silt scouring groove (17) towards both sides.

3. The seepage-proofing structure for reservoir dams according to claim 1, wherein: a filter screen layer (18) is arranged on the surface of the baffle layer (4), and a fixed support rod (19) is arranged between the filter screen layer (18) and the baffle layer (4).

4. The seepage-proofing structure for reservoir dams according to claim 1, wherein: the center department of first infiltration pipe (7), second infiltration pipe (8) and third infiltration pipe (9) is equipped with high-pressure suction pump (11), pressure release layer (5) surface still is equipped with a plurality of pressure release hole, the downthehole pressure release relief valve (12) that is connected with of pressure release.

5. The seepage prevention structure for the reservoir dam as recited in claim 1, wherein: and a sandstone solidification prevention layer (15) is arranged below the reinforcing rod (13) and between the dam body (1) and the baffle layer (4).

6. The seepage-proofing structure for reservoir dams according to claim 3, wherein: the bottom of the filter screen layer (18) is provided with a fixedly connected reinforcing strip (20).