CN216891839U

CN216891839U - Highway central authorities median drainage system

Info

Publication number: CN216891839U
Application number: CN202122938835.XU
Authority: CN
Inventors: 黄逸飞
Original assignee: Fujian Hengtongke New Underground Drainage Engineering Co ltd
Current assignee: Fujian Hengtongke New Underground Drainage Engineering Co ltd
Priority date: 2021-11-28
Filing date: 2021-11-28
Publication date: 2022-07-05
Anticipated expiration: 2031-11-28

Abstract

The utility model discloses a drainage system for a central median of a highway, which comprises high-pressure flushing interfaces, wherein the high-pressure flushing interfaces are arranged between highway pavements at two sides of the central median, a backfill soil layer for planting green plants is filled outside the high-pressure flushing interfaces, a high-pressure flushing interface base is arranged at the bottom of the backfill soil layer and communicated with the high-pressure flushing interfaces, drainage ditches are arranged at one side, away from the backfill soil layer, of the outside of the highway pavements, and the number of the drainage ditches is two; the utility model has the following beneficial effects: the highway is prevented from being liquefied, the road surface is prevented from being settled to the maximum extent, the smoothness of the highway is guaranteed, potential safety hazards are eliminated to the maximum extent, the drainage system is symmetrically distributed on the main body, rainwater in the central isolation belt can be drained to drainage ditches on two sides of the road surface, the drainage efficiency is improved, the drainage ditches are better in drainage effect, and the whole highway subgrade is prevented from being scoured and damaged by the eliminated rainwater.

Description

Highway central authorities median drainage system

Technical Field

The utility model relates to the technical field of highway construction, in particular to a drainage system for a central median of a highway.

Background

Due to global warming, rainstorm often occurs, extreme weather is waited, due to the fact that at present, domestic attention can not be paid, most of water of a central isolation zone of a highway is not discharged in time when rainstorm occurs, water permeating through the central isolation zone is gradually liquefied with the lapse of time, two sides of the central isolation zone are gradually settled, water is easily accumulated when rain occurs, the part is a overtaking lane and a fast lane, potential safety hazards greatly exist, and therefore the phenomenon is urgently needed to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a central median drainage system for a road, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a highway central authorities median drainage system, includes the high pressure and washes the interface, the high pressure is washed the interface and is arranged in between the highway road surface of central authorities median both sides, the outside packing that the interface was washed to the high pressure has the backfill soil layer that is used for planting green planting, the bottom on backfill soil layer is equipped with the high pressure and washes the interface base, high pressure is washed interface base and high pressure and is washed the interface intercommunication, one side that the backfill soil layer was kept away from in the outside on highway road surface is equipped with the escape canal, the escape canal is total two, two the escape canal is the symmetric distribution, and in two be equipped with the drainage system main part between the escape canal.

Preferably, the drainage system main part includes drain line, drain line's one end and high pressure wash interface base intercommunication, drain line's the other end and escape canal intercommunication.

Preferably, a first gravel cushion layer is arranged above the drainage pipeline, and a first geotextile is arranged between the first gravel cushion layer and the road surface.

Preferably, a second gravel cushion layer and a rammed foundation soil layer are sequentially arranged below the drainage pipeline, and a second geotextile is arranged between the second gravel cushion layer and the rammed foundation soil layer.

Preferably, the high-pressure flushing connector is of a segmented structure, and each segmented high-pressure flushing connector is provided with one high-pressure flushing connector base and one group of drainage system main bodies.

The utility model has the following beneficial effects: the highway is prevented from being liquefied in soil, the road surface is prevented from being settled to the greatest extent, the highway is guaranteed to be unblocked, potential safety hazards are eliminated to the greatest extent, the drainage system main bodies are symmetrically distributed, rainwater in the central isolation belt can be drained to drainage ditches on two sides of the highway road surface, the drainage efficiency is improved, the drainage ditches are better arranged to play a drainage role, and the highway subgrade is prevented from being damaged by scouring due to the eliminated rainwater.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic cross-sectional view of the present invention.

In the figure: 1. a high pressure flush port; 2. a highway pavement; 3. backfilling the soil layer; 4. a high pressure flush port base; 5. a drainage ditch; 6. a drainage system main body; 7. a drain line; 8. a first gravel cushion layer; 9. a first geotextile; 10. a second gravel cushion layer; 11. tamping a foundation soil layer; 12. and a second geotextile.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution:

the utility model provides a highway central authorities median drainage system, including high pressure flushing port 1, high pressure flushing port 1 is arranged in between the highway road surface 2 of central authorities median both sides, high pressure flushing port 1's outside is filled has backfill soil layer 3 that is used for planting green planting, the bottom of backfill soil layer 3 is equipped with high pressure flushing port base 4, high pressure flushing port base 4 and high pressure flushing port 1 intercommunication, one side that backfill soil layer 3 was kept away from to highway road surface 2's outside is equipped with escape canal 5, the total of two escape canals 5, two escape canals 5 are the symmetric distribution, and be equipped with drainage system main part 6 between two escape canals 5, the rainwater on the median is got rid of under the effect of drainage system main part 6.

The drainage system main body 6 comprises a drainage pipeline 7, one end of the drainage pipeline 7 is communicated with the high-pressure flushing connector base 4, the other end of the drainage pipeline 7 is communicated with the drainage ditch 5, and rainwater in the central isolation belt is drained to the drainage ditch 5 on two sides of the highway pavement 2 through the drainage pipeline 7; a first gravel cushion layer 8 is arranged above the drainage pipeline 7, and a first geotextile 9 is arranged between the first gravel cushion layer 8 and the highway pavement 2; a second broken stone cushion layer 10 and a rammed foundation soil layer 11 are sequentially arranged below the drainage pipeline 7, a second geotextile 12 is arranged between the second broken stone cushion layer 10 and the rammed foundation soil layer 11, and a drainage channel is formed between the first geotextile 9 and the soil body and between the second geotextile 12 and the soil body, so that better drainage and exhaust effects can be achieved, and meanwhile, the protection function is achieved, and the soil body is prevented from being washed by water flow; the high-pressure flushing connector 1 is of a segmented structure, each segmented high-pressure flushing connector 1 is provided with a high-pressure flushing connector base 4 and a group of drainage system main bodies 6, and one high-pressure flushing connector 1 is arranged every fifty meters, so that rainwater on the whole central isolation belt can be conveniently drained.

Specifically, when the utility model is used, firstly, in heavy rain, the accumulated water on the central isolation belt of the highway flows into the drainage ditches 5 at the two sides of the highway pavement 2 through the drainage pipeline 7 under the coordination of the high-pressure flushing connector 1 and the high-pressure flushing connector base 4, so that the rainwater on the central isolation belt is drained in time, the condition that the soil is liquefied because the accumulated water on the central isolation belt cannot be drained is prevented, the pavement is deformed or even broken because of the liquefied soil, the rainwater can be effectively avoided after being drained in time, the condition that the rainwater overflows to the highway pavement 2 when the rainwater is excessive is avoided, the condition that the running vehicles skid because a large amount of accumulated water flows into the pavement, so that a large safety accident is caused, and the drainage ditches 5 at the two sides can drain the rainwater drained from the central isolation belt, can prevent the rainwater from scouring the soil body and is convenient to collect and recycle the rainwater.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a highway central authorities median drainage system, includes high pressure flushing interface (1), its characterized in that: high pressure is washed interface (1) and is arranged in between highway road surface (2) of central authorities median both sides, the outside packing that high pressure washed interface (1) has backfill soil layer (3) that are used for planting green planting, the bottom of backfill soil layer (3) is equipped with high pressure and washes interface base (4), high pressure is washed interface base (4) and is washed interface (1) intercommunication with high pressure, one side of backfill soil layer (3) is kept away from in the outside of highway road surface (2) is equipped with escape canal (5), escape canal (5) total two, two escape canal (5) are the symmetric distribution, and in two be equipped with drainage system main part (6) between escape canal (5).

2. The central median strip drainage system of a road of claim 1, wherein: drainage system main part (6) include drain line (7), the one end and the high pressure of drain line (7) wash interface base (4) intercommunication, the other end and escape canal (5) intercommunication of drain line (7).

3. The central median strip drainage system of a road of claim 2, wherein: a first gravel cushion layer (8) is arranged above the drainage pipeline (7), and a first geotextile (9) is arranged between the first gravel cushion layer (8) and the highway pavement (2).

4. The central median strip drainage system of a road of claim 2, wherein: and a second broken stone cushion layer (10) and a rammed foundation soil layer (11) are sequentially arranged below the drainage pipeline (7), and a second geotextile (12) is arranged between the second broken stone cushion layer (10) and the rammed foundation soil layer (11).

5. The central median strip drainage system of a road of claim 1, wherein: the high-pressure flushing connector (1) is of a segmented structure, and each segment of the high-pressure flushing connector (1) is provided with one high-pressure flushing connector base (4) and a group of drainage system main bodies (6).