CN217710170U

CN217710170U - Oriented drainage anti-seepage composite membrane structure

Info

Publication number: CN217710170U
Application number: CN202221274719.0U
Authority: CN
Inventors: 陆诗德; 梁训美; 李克朋; 满续文; 赵纯锋; 于花; 韩炳强; 董霏
Original assignee: Shandong Road Engineering Materials Co ltd
Current assignee: Shandong Road Engineering Materials Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-01
Anticipated expiration: 2032-05-25

Abstract

The embodiment of the application discloses directional drainage prevention of seepage passes through complex film structure, including first geotechnological cloth layer, water guide material layer, geotechnological rete, second geotechnological cloth layer, the water guide material layer comprises water guide material structure, drainage channel has been seted up to the upper and lower both sides of water guide material, drainage channel's inside has been seted up water drainage tank, two-layer drainage channel intercommunication about the drainage tank will be, the through hole has been seted up to drainage channel's side, the through hole is with adjacent drainage channel intercommunication. The drainage channel is arranged in the drainage channel, so that the water permeability of the water guide material layer is improved, rainwater on the upper portion of the water guide material layer permeates into the lower portion of the water guide material layer, the drainage channels on the upper side and the lower side of the water guide material layer can well drain water, and the drainage efficiency is greatly improved.

Description

Oriented drainage anti-seepage composite membrane structure

Technical Field

The application relates to the technical field of roadbed drainage, in particular to a directional drainage permeation-prevention composite membrane structure.

Background

At present, in a long-term service period after construction of highways and railways is completed, the roadbed is often soaked and eroded by rainwater to cause the collapse and damage of the roadbed, so that the normal use of a road surface is influenced, the damage not only causes great troubles to the maintenance along the highway or the railway and the maintenance of operation and later engineering, but also has great hidden danger to the life and property safety of people, but at present, products suitable for the drainage of the roadbed of the highway and the railway do not exist temporarily, a product capable of improving the drainage of the roadbed for line construction is urgently needed, and a directional drainage anti-seepage composite membrane structure is provided for the purpose

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application proposes a directional drainage permeation prevention composite membrane structure to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a directional drainage anti-seepage composite membrane structure comprises a first geotechnical cloth layer, a water guide material layer, a geotechnical film layer and a second geotechnical cloth layer, wherein the water guide material layer is composed of a water guide material structure, drainage channels are formed in the upper side and the lower side of the water guide material, drainage grooves are formed in the drainage channels, the upper drainage channel and the lower drainage channel are communicated through the drainage grooves, and through holes are formed in the side faces of the drainage channels and communicate adjacent drainage channels.

Optionally, the first geotextile layer, the water guide material layer, the geomembrane layer and the second geotextile layer are sequentially arranged from top to bottom, the first geotextile layer is adhered to the water guide material layer in a distribution point manner, and the water guide material layer is not compounded with the geomembrane layer.

Optionally, the arrangement distance of the water guide materials is 50-200mm, the height of the water guide materials is more than or equal to 2mm, and the width of the water guide materials is more than or equal to 4mm.

Optionally, the drainage channel includes two forms, namely an omega-shaped drainage channel and a U-shaped drainage channel, and the drainage channels are arranged in parallel.

Optionally, the interval between the drainage grooves in each drainage channel is 20cm.

Optionally, the distance between the through holes is 50mm-100mm.

The application provides a pair of directional drainage prevention of seepage complex film structure possesses following beneficial effect:

1. this directional drainage prevention of seepage passes through complex film structure, cooperation through water guide material layer and geomembrane layer is used, when the road is when seeping water downwards, the geomembrane layer can carry out the separation to the rainwater of infiltration, avoid the rainwater to continue to permeate, simultaneously the water guide material layer can be with the rainwater of infiltration discharge in the drainage channel of road both sides, reduce the erosion damage of rainwater to the road bed, water drainage tank has been seted up through the inside at drainage channel, the water permeability on water guide material layer has been improved, accelerate the rainwater on water guide material layer upper portion to permeate to the lower part on water guide material layer, the drainage channel of both sides can both be fine row of water about making the water guide material layer, the efficiency of drainage has been improved greatly.

2. This directional drainage prevention of seepage complex film structure, through setting up the through hole, the through hole can communicate adjacent drainage channel, even if certain section of drainage channel takes place to block up or when being in ponding department like this, the through hole also can be with the rainwater of infiltration to spreading all around, alleviates drainage channel's drainage pressure, improves drainage efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic representation of a directional drainage barrier composite membrane construction according to an embodiment of the present application;

FIG. 2 is a schematic diagram of omega-shaped drainage channels of a directional drainage impermeable composite membrane structure according to an embodiment of the present application;

fig. 3 is a schematic diagram of U-shaped drainage channels of a directional drainage impermeable composite membrane structure according to an embodiment of the present application.

In the figure: 1. a first geotextile layer; 2. a water conducting material layer; 21. an omega-shaped drainage channel; 22. a water discharge tank; 23. a through hole; 24. a U-shaped drainage channel; 3. a geomembrane layer; 4. a second geotextile layer.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a directional drainage permeation-proof composite membrane structure comprises a first geotechnical cloth layer 1, a water guide material layer 2, a geotechnical cloth layer 3 and a second geotechnical cloth layer 4, wherein the first geotechnical cloth layer 1, the water guide material layer 2, the geotechnical cloth layer 3 and the second geotechnical cloth layer 4 are sequentially arranged from top to bottom, the first geotechnical cloth layer 1 and the water guide material layer 2 are adhered in a point distribution manner, the water guide material layer 2 and the geotechnical cloth layer 3 are not compounded, through the arrangement of the geotechnical cloth layer 3, when water seeps downwards on a road, the geotechnical cloth layer 3 can separate the seeped rainwater, rainwater is prevented from continuously seeping, erosion damage of the rainwater to a roadbed is reduced, the water guide material layer 2 is composed of a water guide material structure, the arrangement distance of the water guide material is 50-200mm, the height of the water guide material is not smaller than 2mm, the width of the water guide material is not smaller than 4mm, drainage channels are arranged on the upper side and the lower side of the water guide material, and through the arrangement of the water guide material layer 2, the rainwater channels in the water guide material layer 2 can discharge the seeped rainwater into the drainage on the drainage of the roadbed is reduced.

Referring to fig. 2 and 3, the drainage channel includes two forms, namely an omega-shaped drainage channel 21 and a U-shaped drainage channel 24, the drainage channels are arranged in parallel, a drainage groove 22 is formed in the drainage channel, the drainage groove 22 communicates the upper and lower drainage channels, the drainage groove 22 is formed in the drainage channel, so that the water permeability of the water guide material layer 2 is improved, rainwater on the upper portion of the water guide material layer 2 is accelerated to permeate to the lower portion of the water guide material layer 2, the drainage channels on the upper and lower sides of the water guide material layer 2 can well drain, the interval between the drainage grooves 22 in each drainage channel is 20cm, a through hole 23 is formed in the side surface of each drainage channel, the through hole 23 communicates the adjacent drainage channels, the through holes 23 can communicate the adjacent drainage channels, rainwater in the adjacent drainage channels can be diffused, the drainage pressure of the drainage channels is reduced, the drainage efficiency is improved, and the interval between the through holes 23 is 50mm to 100mm.

In conclusion, the directional drainage anti-seepage composite membrane structure provided by the application is used, the composite membrane structure is arranged in a roadbed, when rainwater permeates into the inside of the roadbed, the geomembrane layer 3 can isolate the rainwater, so that the rainwater can not permeate continuously, the rainwater is discharged into drainage channels on two sides of a road through drainage channels in the water guide material layer 2, the erosion to the roadbed is reduced, the service life of the road or the railway is prolonged, and the maintenance cost is reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a directional drainage prevention of seepage passes through complex film structure, includes first geotechnological cloth layer (1), water guide material layer (2), geotechnological rete (3), second geotechnological cloth layer (4), its characterized in that: the water guide material layer (2) is composed of a water guide material structure, water drainage channels are formed in the upper side and the lower side of the water guide material, water drainage grooves (22) are formed in the water drainage channels, the upper water drainage channels and the lower water drainage channels are communicated through the water drainage grooves (22), through holes (23) are formed in the side faces of the water drainage channels, and the adjacent water drainage channels are communicated through the through holes (23).

2. A directional drainage barrier composite membrane structure according to claim 1, wherein: the geotextile cloth is characterized in that the geotextile cloth layers (1), the water guide material layer (2), the geomembrane layer (3) and the second geotextile layer (4) are sequentially arranged from top to bottom, the geotextile cloth layers (1) are adhered with the water guide material layer (2) in a distribution mode, and the water guide material layer (2) is not compounded with the geomembrane layer (3).

3. A directional drainage barrier composite membrane structure according to claim 1, wherein: the arrangement distance of the water guide materials is 50-200mm, the height of the water guide materials is more than or equal to 2mm, and the width of the water guide materials is more than or equal to 4mm.

4. A directional drainage barrier composite membrane structure according to claim 1, wherein: the drainage channel comprises an omega-shaped drainage channel (21) and a U-shaped drainage channel (24), and the drainage channels are arranged in parallel.

5. A directional drainage barrier composite membrane structure according to claim 1, wherein: the interval between the drainage grooves (22) in each drainage channel is 20cm.

6. A directional drainage barrier composite membrane structure according to claim 1, wherein: the distance between the through holes (23) is 50mm-100mm.