CN212896740U - Seepage-proofing drainage ditch applied to refuse landfill - Google Patents

Abstract

The utility model relates to a be applied to prevention of seepage escape canal of landfill, including the concrete cell body, the concrete cell body have the diapire and respectively by the lateral wall that the double-phase offside of diapire upwards extends, the thickness of diapire and both sides wall is 20-40cm, and pre-buried reinforcing bar net that has in the concrete cell body, reinforcing bar net distribute in diapire and both sides wall, still pave in advance at reinforcing bar net towards the inside one side of prevention of seepage ditch and be equipped with waterproof material layer, and waterproof material layer passes through mounting and reinforcing bar net pre-fixing. This application predetermines the reinforcing bar net through one side in the concrete cell body ditch in order to increase the intensity and the stability of prevention of seepage escape canal to avoid the slope too big and cause the damage to it to the pressure in escape canal, still through laying the antiseep effect in order to strengthen the prevention of seepage escape canal at the online waterproof material layer of reinforcing bar.

Description

Seepage-proofing drainage ditch applied to refuse landfill

Technical Field

The utility model relates to a landfill road facility especially relates to a be applied to landfill's prevention of seepage escape canal.

Background

At present, the drainage ditch treated by the irregular refuse landfill has the characteristics of simplicity, convenience in operation, economy and the like, and although the concrete drainage ditch can prevent water from permeating within a certain time, the irregular refuse landfill drainage ditch has the defects of sewage seepage prevention and the like. Sewage flows into a drainage ditch along a slope, the concrete ditch is subjected to slope pressure, leakage cannot be thoroughly prevented in a long-time drainage process, the drainage ditch is aged gradually due to the influence of acidity, high temperature, low temperature and the like under outdoor conditions, the seepage-proofing effect is weaker and weaker, the situation can cause polluted water to seep out to be mixed with a clean water source, the clean water source is polluted, and potential safety hazards are brought to ecological environments and human living environments.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an impermeable drainage ditch applied to a refuse landfill site, aiming at the problem that the sewage of the existing drainage ditch seeps out.

An anti-seepage drainage ditch applied to a refuse landfill comprises a concrete tank body, wherein the concrete tank body is provided with a bottom wall and side walls which respectively extend upwards from two opposite sides of the bottom wall, and the thickness of the bottom wall and the thickness of the two side walls are 20-40 cm;

the concrete tank is internally pre-embedded with a reinforcing mesh, the reinforcing mesh is distributed on the bottom wall and the two side walls, a waterproof material layer is pre-laid on one side, facing the inside of the anti-seepage drainage ditch, of the reinforcing mesh, and the waterproof material layer is pre-fixed with the reinforcing mesh through a fixing piece.

Preferably, the reinforcing mesh is distributed on the bottom wall and the middle part of the two side walls in the upward thickness direction.

Preferably, the concrete tank body is divided into an outer layer and an inner layer according to the internal and external relations relative to the reinforcing mesh, and the outer layer and the inner layer cross the reinforcing mesh and the waterproof material layer at the top edges of the two side walls to intersect with each other.

Preferably, the reinforcing bar net has the crisscross structure of longitude and latitude, the mounting with the longitude and latitude intersection of reinforcing bar net links to each other.

Preferably, the fixing member is a magnetic member that interacts with the mesh reinforcement and presses the waterproof material layer against the mesh reinforcement by magnetic force.

Preferably, the magnetic part is provided with a cross groove, and the longitude and latitude intersection of the reinforcing mesh is embedded into the cross groove.

Preferably, the length of the grid side of the reinforcing mesh is 8-12 cm.

Preferably, the waterproof material layer is a layer and adopts a bentonite waterproof blanket.

Preferably, the waterproof material layer is two layers, and adopts geotechnical cloth and geomembrane respectively, wherein the geomembrane is attached to the reinforcing mesh.

Preferably, the thickness x width x height of the concrete tank body is 20cm x 80cm x 60 cm.

Above-mentioned be applied to prevention of seepage escape canal of landfill, through predetermineeing reinforcing bar net in order to increase the intensity and the stability of prevention of seepage escape canal at concrete cell body one side towards the ditch in to avoid the slope to the too big and damage to it of pressure in escape canal, still through laying the antiseep effect in order to strengthen the prevention of seepage escape canal at reinforcing bar net waterproof material layer.

Drawings

FIG. 1 is a schematic view of an embodiment of a leak-proof gutter;

FIG. 2 is a schematic view of a construction of a leakage prevention gutter according to another embodiment of the present invention;

the reference numbers illustrate:

1. a concrete tank body; 11. an outer layer; 12. an inner layer;

2. a reinforcing mesh; 3. a layer of water repellent material; 31. a geomembrane; 32. geotextile;

4. and a fixing member.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

As shown in fig. 1, the present application provides an anti-seepage drainage ditch applied to a refuse landfill, which comprises a concrete tank body 1, wherein the concrete tank body 1 is provided with a bottom wall and side walls respectively extending upwards from two opposite sides of the bottom wall, and the thickness of the bottom wall and the thickness of the two side walls are 20-40 cm. The concrete tank body 1 is internally embedded with a reinforcing mesh 2, the reinforcing mesh 2 is distributed on the bottom wall and two side walls, a waterproof material layer 3 is also pre-paved on one side of the reinforcing mesh 2 facing the interior of the anti-seepage drainage ditch, and the waterproof material layer 3 is pre-fixed with the reinforcing mesh 2 through a fixing piece 4.

In this embodiment, in order to enhance the strength and stability of the anti-seepage drainage ditch, the reinforcing mesh 2 is embedded in the bottom wall and the two side walls of the concrete tank 1, so as to prevent the anti-seepage drainage ditch from being damaged by the slope pressure for a long time and from completely preventing sewage leakage. In addition, in order to further increase the anti-seepage effect of the anti-seepage drainage ditch, a waterproof material layer 3 is further laid on one side of the reinforcing mesh 2 facing the inside of the drainage ditch, and the waterproof material layer 3 enables the anti-seepage drainage ditch to still have a good anti-seepage effect on sewage under adverse environments such as high temperature, high pressure and corrosion.

Further, the reinforcing mesh 2 is distributed on the bottom wall and the middle part of the two side walls in the upward thickness direction. So that the reinforcing mesh 2 is uniformly distributed in the concrete tank 1, and the stability of the concrete tank is enhanced to the maximum extent.

As shown in fig. 1, the concrete tank 1 is divided into an outer layer 11 and an inner layer 12 in an inner and outer relationship with respect to the reinforcing mat 2, and the outer layer 11 and the inner layer 12 are joined to each other across the reinforcing mat 2 and the waterproof material layer 3 at the top edges of both side walls. So that the reinforcing mesh 2 and the waterproof material layer 3 are not exposed outside the concrete tank 1.

Wherein, the outer layer 11 is the side back to the inner part of the anti-seepage drainage ditch, and the inner layer 12 is the side facing to the inner part of the anti-seepage drainage ditch.

Furthermore, the side length of the mesh of the reinforcing mesh 2 is 8-12 cm. Preferably, the mesh side of the mesh reinforcement 2 is 10 cm.

In one embodiment, the steel bar of the steel bar net 2 mainly comprises HPB235 and HRB335 grades, and the welding rod is E43 type.

In this embodiment, the reinforcing mesh 2 has a criss-cross structure, and the fixing member 4 is connected to the intersection of the warp and the weft of the reinforcing mesh 2. The fixing piece 4 is provided with a plurality of, cooperates with each longitude and latitude intersection of reinforcing bar net 2 respectively and fixes waterproof material layer 3. Because longitude and latitude intersection evenly distributed is on concrete diapire and both sides wall, then when laying waterproof material layer 3, the fixed dynamics that waterproof material layer 3 surface received is average for waterproof material layer 3 can paste totally and guarantee its water-proof effects by tank bottom and both sides wall.

In this embodiment, in order to ensure the integrity of the waterproof material layer 3, the fixing member 4 is a magnetic member that interacts with the mesh reinforcement 2 and presses the waterproof material layer 3 against the mesh reinforcement 2 by magnetic force. When fixing waterproof material layer 3 like this, avoid causing the harm of penetrability with reduction antiseep effect to waterproof material layer 3's surface.

In this embodiment, in order to stably fix the magnetic member on the mesh reinforcement 2 through the waterproof material layer 3, the magnetic member is provided with a cross groove, so that the longitude and latitude intersection of the mesh reinforcement 2 can be embedded into the cross groove.

In one embodiment, the waterproof material layer 3 is a layer, and a bentonite waterproof blanket is used. The bentonite waterproof blanket has good anti-seepage characteristics, and the anti-seepage drainage ditch has stable and waterproof characteristics simultaneously by matching with the reinforcing mesh 2. And the bentonite waterproof blanket is a novel environment-friendly material, and can not cause environmental pollution when the bentonite waterproof blanket is permeated into peripheral soil or sewage under the adverse conditions of high pressure, high temperature, corrosion and the like of the external environment.

When the anti-seepage drainage ditch is laid, the concrete outer layer 11 is poured, the bentonite waterproof blanket is laid on one side of the concrete outer layer facing the interior of the drainage ditch and fixed on the reinforcing mesh 2 through the magnetic part, and the concrete inner layer 12 is poured on the bentonite waterproof blanket.

As shown in fig. 2, the waterproof material layer 3 is two layers, and a geotextile 32 and a geomembrane 31 are respectively adopted, wherein the geomembrane 31 is abutted with the reinforcing mesh 2. Geotextile 32, also known as geotextile, is a water permeable geosynthetic material made from synthetic fibers by needling or weaving. The geomembrane 31 is a geomembrane impermeable material which is formed by compounding a plastic film serving as an impermeable base material and non-woven fabrics. Both the geotextile 32 and the geomembrane 31 have the characteristics of high strength, strong corrosion resistance, good drainage performance, simple construction and the like, are environment-friendly materials, and cannot pollute the environment. Make the prevention of seepage escape canal have stable and waterproof characteristic concurrently with reinforcing bar net 2 cooperation.

When the anti-seepage drainage ditch is laid, the outer concrete layer 11 is poured, the geomembrane 31 and the geotextile 32 are sequentially laid on the side, facing the inside of the drainage ditch, of the outer concrete layer, the geotextile 32 is fixed on the steel mesh 2 through the magnetic part, and the inner concrete layer 12 is poured on the geotextile 32.

In this example, the concrete tank 1 has a thickness × width × height of 20cm × 80cm × 60 cm.

In this embodiment, the concrete poured into the trough body may be prepared by using portland cement. The outer concrete used as the cushion layer can be concrete with the strength of C15, and the inner concrete can be concrete with the strength of C25 or C30.

When the seepage-proofing drainage ditch applied to the refuse landfill is constructed, the size and the dimension can be adjusted according to the site construction requirements, the bentonite waterproof blanket or the geotextile 32 and the geomembrane 31 are fixed on the reinforcing mesh 2 by utilizing the magnetic parts, the integrity of the waterproof material layer 3 is ensured, and the fixed waterproof material layer 3 is used as a seepage-proofing core fabric and is arranged in the concrete tank. The characteristics of waterproofing, corrosion resistance, high temperature resistance and the like of the waterproof material layer 3 are combined, and the waterproof material layer and the reinforcing mesh 2 are fixedly supported, so that the anti-seepage drainage ditch has both stability and waterproof characteristics. In consideration of the permeability problem caused by the seepage-proofing drainage ditch under the environments of high pressure, high temperature, corrosion and the like, the used materials are novel environment-friendly materials, and the environment-friendly requirement is considered. In addition, the seepage-proofing drainage ditch has a good seepage-proofing effect under various physical, hydrological or climatic conditions, and the use range and the use condition of the drainage ditch are widened.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The anti-seepage drainage ditch applied to the refuse landfill is characterized by comprising a concrete tank body, wherein the concrete tank body is provided with a bottom wall and side walls which respectively extend upwards from two opposite sides of the bottom wall, and the thickness of the bottom wall and the thickness of the two side walls are 20-40 cm;

the concrete tank is internally pre-embedded with a reinforcing mesh, the reinforcing mesh is distributed on the bottom wall and the two side walls, a waterproof material layer is pre-laid on one side, facing the inside of the anti-seepage drainage ditch, of the reinforcing mesh, and the waterproof material layer is pre-fixed with the reinforcing mesh through a fixing piece.

2. The impermeable drain according to claim 1, wherein the reinforcing mesh is distributed on the bottom wall and the middle part of the two side walls in the thickness direction.

3. The impermeable drain according to claim 1, wherein the concrete trough is divided into an outer layer and an inner layer in an inner-outer relationship with respect to the reinforcing mesh, and the outer layer and the inner layer meet each other across the reinforcing mesh and the waterproof material layer at top edges of both side walls.

4. The impermeable drainage ditch of claim 1, wherein the reinforcing mesh has a criss-cross structure, and the fixing member is connected to the reinforcing mesh at the intersection of the warps and the wefts.

5. The anti-seepage drainage ditch of claim 4, wherein the fixing piece is a magnetic piece which interacts with the reinforcing mesh and presses the waterproof material layer against the reinforcing mesh by magnetic force.

6. The anti-seepage drainage ditch according to claim 5, wherein the magnetic part is provided with a cross groove, and the cross groove is embedded at the longitude and latitude intersection of the reinforcing mesh.

7. The impermeable drainage ditch of claim 1, wherein the mesh side length of the mesh reinforcement is 8-12 cm.

8. The impermeable drain according to claim 1, characterized in that the waterproof material layer is a layer and a bentonite waterproof blanket is adopted.

9. The anti-seepage drainage ditch of claim 1, wherein the waterproof material layer is formed by two layers, and a geotextile and a geomembrane are respectively adopted, wherein the geomembrane is attached to the reinforcing mesh.

10. The impermeable drain according to claim 1, wherein the concrete tank has a thickness x width x height of 20cm x 80cm x 60 cm.

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