CN209836937U

CN209836937U - Anti-seepage laying structure

Info

Publication number: CN209836937U
Application number: CN201920093432.XU
Authority: CN
Inventors: 井丽源; 白晓博; 康俊程
Original assignee: Beijing Tongchengda Water Construction Co Ltd
Current assignee: Beijing Tongchengda Water Construction Co Ltd
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2019-12-24
Anticipated expiration: 2029-01-21

Abstract

The utility model discloses an anti-seepage laying structure, which comprises a main drainage ditch dug on the ground, wherein geotechnical cloth is laid on the main drainage ditch, permeable pipes embedded into the main drainage ditch are arranged on the geotechnical cloth, two adjacent permeable pipes are connected through a five-way pipe, a coarse sand layer is filled in the main drainage ditch around the permeable pipes, and the upper ends of the five-way pipes are connected with a check valve; the utility model discloses have and set up the five-way pipe and carry out the connection between the pipe of permeating water to set up the check valve on the five-way pipe, conveniently carry out drainage treatment's effect.

Description

Anti-seepage laying structure

Technical Field

The utility model belongs to the technical field of the membrane technique is spread to the reservoir and specifically relates to a prevention of seepage is passed through and is laid structure is related to.

Background

The composite geomembrane is an ideal impermeable material and is widely applied to water conservancy projects such as channels, dikes, plain reservoirs and the like at present. The dam structure is a composite geomembrane seepage-proofing inclined wall earth dam, the reservoir plate of the dam is paved with two cloth films and one film for seepage prevention in a layering way, and the PE geomembrane 501 ten thousand meters 2 and the geotextile 1002 ten thousand meters 2 are paved together, so that the dam is the biggest plain reservoir adopting horizontal plastic paving seepage prevention in China at present.

Because the geomembrane laying area is large, the underground water is buried shallowly, and before and after the reservoir stores water and when the water level changes, the air in the soil is easy to damage the geomembrane jacking, the permeable pipe is laid to build the permeable treatment, but the laying distance of the permeable pipe is longer, and the pressure required by drainage is larger.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a prevention of seepage passes through laying structure connects through setting up the five-way pipe to set up the check valve on the five-way pipe, conveniently carry out drainage treatment.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a prevention of seepage is passed through and is laid structure, is including digging in the main ditch of the drainage on ground, the main ditch upper berth of drainage is equipped with geotechnological cloth, and the pipe of permeating water that has the main ditch of embedding drainage is put on the geotechnological cloth, and two adjacent pipes of permeating water are connected through the five-way pipe, the main ditch of drainage around the pipe of permeating water is filled with the coarse sand layer, the five-way pipe upper end is connected with the check valve.

Through adopting above-mentioned technical scheme, drainage mechanism comprises the pipe and the five-way pipe of permeating water that the interval set up, can carry out drainage treatment through the five-way pipe in normal use, is connected with the check valve on the five-way pipe simultaneously, can prevent through the check valve that outside from intaking to the pipe of permeating water, has increased the practicality effect of equipment.

The utility model discloses further set up to: the joint of the water permeable pipe and the five-way pipe is wrapped and lapped by geotextile.

Through adopting above-mentioned technical scheme, permeate water and wrap up through geotechnological cloth between pipe and the multi-ported pipe, because geotechnological cloth has the performance of permeating water, can make parcel department also can permeate the drainage and handle, increased the practicality value of equipment

The utility model discloses further set up to: the water permeable pipe is a hose.

Through adopting above-mentioned technical scheme, the form that the pipe of permeating water set to the hose can effectively make its laminating soil laminating more comprehensive, can effectively improve its water permeability, has increased the practicality value of equipment.

The utility model discloses further set up to: the check valve comprises a PVC pipe and a check type drainer arranged in the PVC pipe.

Through adopting above-mentioned technical scheme, set up the PVC pipe and at the inside contrary formula drainer that ends that sets up of PVC pipe, carry out drainage through contrary formula drainer that ends, easy operation is convenient.

The utility model discloses further set up to: the PVC pipe is connected with the five-way pipe through a pipe hoop.

Through adopting above-mentioned technical scheme, set up the ferrule and connect PVC pipe and five-way pipe through the ferrule, connection structure is simple and convenient, and the connected mode of ferrule is more stable simultaneously, and its sealing performance is better, has increased the practicality value of equipment.

The utility model discloses further set up to: the top end of the PVC pipe is provided with an anti-silting cover.

Through adopting above-mentioned technical scheme, PVC socle top sets up prevents the silt cover, can prevent effectively that outside silt from entering into the PVC pipe, can prevent effectively that contrary formula drainer from damaging, has increased the practicality value of equipment.

The utility model discloses further set up to: the upper opening of the five-way pipe protrudes out of the filled coarse sand layer, and the outer ring surface of the protruding end is fixedly provided with a sealing disc.

Through adopting above-mentioned technical scheme, the five-way pipe upper end is outstanding and set up sealed dish for waterproof performance is better when whole laying geomembrane, produces the infiltration when preventing to lay.

The utility model discloses further set up to: a PE film is arranged on the lower side of the sealing disc.

Through adopting above-mentioned technical scheme, set up one deck PE membrane at sealed dish downside, can further improve its sealing performance.

To sum up, the utility model discloses a beneficial technological effect does:

1. the drainage mechanism consists of a permeable pipe and a five-way pipe which are arranged at intervals, drainage treatment can be carried out through the five-way pipe in the normal use process, and meanwhile, the five-way pipe is connected with a check valve which can prevent external water from entering the permeable pipe, so that the practicability effect of the equipment is improved;

2. set up the ferrule and connect PVC pipe and five-way pipe through the ferrule, connection structure is simple and convenient, and the connected mode of ferrule is more stable simultaneously, and its sealing performance is better.

Drawings

FIG. 1 is a sectional view showing a geotextile and permeable pipe laying structure in an embodiment;

FIG. 2 is a schematic view showing a connection structure of a five-way pipe and a water permeable pipe in the embodiment;

FIG. 3 is a sectional view showing the connection relationship between the five-way pipe, the check valve and the concrete base in the embodiment;

FIG. 4 is a sectional view showing the connection relationship between the end cap and the check valve in the embodiment.

Reference numerals: 1. a main drainage ditch; 11. geotextile; 12. a water permeable pipe; 13. a five-way pipe; 131. a check valve; 1311. PVC pipes; 1312. a non-return drainer; 1313. a silt-proof cover; 1314. a pipe hoop; 14. a coarse sand layer; 15. sealing the disc; 151. a PE film; 16. a concrete base; 17. and (4) end covers.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an anti-seepage laying structure, which comprises a main drainage ditch 1 dug on the ground, geotextiles 11 are laid in the main drainage ditch 1 in accordance with the ditch wall, a permeable pipe 12 embedded in the main drainage ditch 1 is arranged on the geotextiles 11, the permeable pipe 12 is of a hose structure, and the main drainage ditch 1 around the permeable pipe 12 is filled with a coarse sand layer; because the geomembrane is laid the area big, so the pipe 12 section of permeating water is laid, and the junction sets up the multi-ported pipe simultaneously, sets up five-way pipe 13 usually, and the pipe 12 of permeating water is connected through geotechnological cloth 11 parcel with five-way pipe 13 junction, makes the junction still have the water permeability, and the pipe 12 of permeating water is netted the distribution under five-way pipe 13's effect.

Referring to fig. 3, a concrete base 16 is arranged in a main drainage ditch 1 at the lower side of a five-way pipe 13, anti-skid grains are arranged at the upper side of the concrete base 16, the five-way pipe 13 is placed on the upper surface of the concrete base 16, a check valve 131 comprises a PVC pipe 1311 and a check type drainer 1312 arranged in the PVC pipe 1311, the PVC pipe 1311 and the five-way pipe 13 are connected through a pipe hoop 1314, a silt-proof cover 1313 is arranged at the top end of the PVC pipe 1311, the upper port of the five-way pipe 13 can be connected with an end cover 17 (refer to fig. 4) in a threaded manner, the installation of the check valve 131 is cancelled when the end cover 17 is connected, and the end cover; the upper opening of the five-way pipe 13 protrudes out of the filled coarse sand layer 14, a sealing disc 15 is fixedly arranged on the outer annular surface of the protruding end, a layer of PE film 151 is arranged on the lower side of the sealing disc 15, and the PE film 151 is attached to the coarse sand layer 14.

The implementation principle of the embodiment is as follows: after the connection, the water permeable pipe 12 is combined with the geotextile 11 for water permeable treatment, so that water flow is conveniently discharged; meanwhile, a five-way pipe 13 is arranged, and a check valve 131 is arranged in the five-way pipe 13, so that external water flow is prevented from entering the permeable pipe 12.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An anti-seepage laying structure is characterized in that: the drainage main ditch comprises a drainage main ditch (1) dug on the ground, geotechnical cloth (11) is laid on the drainage main ditch (1), water permeable pipes (12) embedded into the drainage main ditch (1) are arranged on the geotechnical cloth (11), two adjacent water permeable pipes (12) are connected through a five-way pipe (13), a coarse sand layer is filled in the drainage main ditch (1) around the water permeable pipes (12), and the upper end of the five-way pipe (13) is connected with a check valve (131); the upper opening of the five-way pipe (13) protrudes out of the filled coarse sand layer (14), and the outer annular surface of the protruding end is fixedly provided with a sealing disc (15).

2. The impermeable laying structure according to claim 1, characterized in that: the water permeable pipe (12) is a hose.

3. The impermeable laying structure according to claim 1, characterized in that: the check valve (131) comprises a PVC pipe (1311) and a check type drainer (1312) arranged in the PVC pipe (1311).

4. The impermeable laying structure according to claim 3, characterized in that: the PVC pipe (1311) is connected with the five-way pipe (13) through a pipe hoop (1314).

5. The impermeable laying structure according to claim 4, characterized in that: the top end of the PVC pipe (1311) is provided with a silt-proof cover (1313).

6. The impermeable laying structure according to claim 1, characterized in that: and a PE film (151) is arranged on the lower side of the sealing disc (15).