CN218989767U

CN218989767U - Highway structure that water permeability is strong

Info

Publication number: CN218989767U
Application number: CN202223484492.5U
Authority: CN
Inventors: 胡磊; 胡文; 徐源; 陈和勇
Original assignee: Jiangxi Practical Construction Management Co ltd
Current assignee: Jiangxi Practical Construction Management Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-09
Anticipated expiration: 2032-12-23

Abstract

The utility model provides a road structure with strong water permeability, which comprises a soil base layer, wherein a waterproof layer is arranged above the soil base layer, a water collecting tank is arranged at the top of the waterproof layer, a water outlet is arranged at the side part of the water collecting tank, a gravel layer group is arranged above the waterproof layer, a gravel layer is arranged above the gravel layer group, and a concrete surface layer is arranged above the gravel layer; through setting up the waterproof layer in the top of soil matrix layer, can avoid the rainwater to ooze the soil matrix layer and lead to soil matrix layer to damage, influence supporting strength, the waterproof layer is equipped with the water catch bowl, can collect the rainwater of oozing down and arrange outward, avoids the inside rainwater that gathers of highway, and concrete surface course, gravel layer and rubble layer group all have good water permeability, can make the rainwater ooze down fast, have improved the effect of permeating water of highway.

Description

Highway structure that water permeability is strong

Technical Field

The utility model relates to the technical field of highways, in particular to a highway structure with strong water permeability.

Background

The highway refers to public roads which are confirmed by traffic and transportation authorities and can run in cities, cities and villages and can run in the villages, and the public roads comprise the established highway confirmed by the traffic and transportation authorities; the road construction method is characterized by further comprising the steps of designing according to national highway engineering technical standards, and approving the establishment of the establishment by the transportation authorities through relevant national administrative authorities; by the end of 2021, the total mileage of national roads reaches 528 ten thousand kilometers, wherein the expressway reaches 16.9 ten thousand kilometers, and the rural roads reach 446.6 ten thousand kilometers.

The highway plays an indispensable role in our daily life, so the service life is particularly important, but because the south precipitation of China is generally higher than the north, the requirement of the south highway on water permeability is also higher than that of the north highway, however, the current highway has poor water permeability, no highway specially arranged for the region with high rainfall, and the conventional highway has shorter service life in the region with high rainfall.

Therefore, a highway structure with strong water permeability is needed, which can solve the problems that the existing highway has poor water permeability and is not suitable for areas with more rainfall in the south and the like.

Disclosure of Invention

The utility model aims to provide a highway structure with strong water permeability, which solves the problems that the existing highway is poor in water permeability and is not suitable for areas with more rainfall in the south and the like.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides a highway structure with strong water permeability, which comprises a soil base layer, wherein a waterproof layer is arranged above the soil base layer, a water collecting tank is arranged at the top of the waterproof layer, a water outlet is arranged at the side part of the water collecting tank, a gravel layer group is arranged above the waterproof layer, a gravel layer is arranged above the gravel layer group, and a concrete surface layer is arranged above the gravel layer.

Preferably, the waterproof layer adopts a waterproof geotechnical cloth layer.

Preferably, the water collection grooves are spaced at a distance of 3-6m.

Preferably, the crushed stone layer group comprises a large crushed stone layer, a middle crushed stone layer and a small crushed stone layer, wherein the large crushed stone layer, the middle crushed stone layer and the small crushed stone layer are sequentially arranged from bottom to top.

Preferably, the particle size of broken stone in the large broken stone layer is 20-40cm, and the thickness is 40-60cm.

Preferably, the particle size of the broken stone in the medium broken stone layer is 10-20cm, and the thickness is 20-40cm.

Preferably, the particle size of the broken stone in the small broken stone layer is 5-10cm, and the thickness is 10-20cm.

Preferably, the gravel layer has a thickness of 10-20cm.

Preferably, the concrete surface layer is a water permeable concrete layer.

Compared with the prior art, the utility model has the following beneficial technical effects:

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of a road structure with high water permeability;

FIG. 2 is a schematic diagram of a part of a drainage channel in a highway structure with strong water permeability;

in the figure: 1: soil base layer, 2: waterproof layer, 3: water collecting tank, 4: water outlet, 5: gravel layer group, 51: large stone layer, 52: medium stone layer, 53: small stone layer, 6: gravel layer, 7: and (3) a concrete surface layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model aims to provide a highway structure with strong water permeability, which aims to solve the problems that the existing highway is poor in water permeability and is not suitable for areas with more rainfall in the south and the like.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Example 1:

this embodiment provides a highway structure that water permeability is strong, including soil basic unit 1, the top of soil basic unit 1 is equipped with waterproof layer 2, and the top of waterproof layer 2 is equipped with water catch bowl 3, and the lateral part of water catch bowl 3 is equipped with outlet 4, and the top of waterproof layer 2 is equipped with rubble layer group 5, and the top of rubble layer group 5 is equipped with gravel layer 6, and the top of gravel layer 6 is equipped with concrete surface layer 7.

Specifically, waterproof layer 2 adopts waterproof geotechnique's cloth layer, and it can effectively avoid infiltration's rainwater to get into soil basic unit 1 and then influence support strength.

Further, the pitch of the water collection grooves 3 is 4m.

Further, the crushed stone layer group 5 includes a large crushed stone layer 51, a medium crushed stone layer 52 and a small crushed stone layer 53, and the large crushed stone layer 51, the medium crushed stone layer 52 and the small crushed stone layer 53 are sequentially arranged from bottom to top.

Wherein the particle size of the broken stone in the large broken stone layer 51 is 20-40cm, and the thickness is 60cm; the particle size of the broken stone in the middle broken stone layer 52 is 10-20cm, and the thickness is 30cm; the particle size of the broken stone in the small broken stone layer 53 is 5-10cm, and the thickness is 20cm; through setting up the rubble from bottom to top according to the size of particle diameter, not only guaranteed highway mechanism's stability, clearance between the rubble also does benefit to infiltration under the rainwater simultaneously, has guaranteed the good water permeability of highway.

Further, the gravel layer 6 has a thickness of 10cm, and can adopt conventional manual graded gravel, so that the leveling effect is also achieved on the premise of ensuring good water permeability.

Further, the concrete surface layer 7 adopts a water-permeable concrete layer, the water-permeable concrete is formed by blending cement, water and a water-permeable concrete reinforcing agent (cementing material) with high quality and same particle size or gap grading aggregate, and the mixed material with a certain void ratio can obtain the effects of water drainage, skid resistance, sound absorption, noise reduction and water seepage when being used as a road surface, can improve the ecological cycle of the ground surface, is beneficial to driving traffic safety, protects living environment and solves the negative influence caused by large-scale modern urban construction.

The utility model provides a road structure with strong water permeability, which comprises the following construction methods: the method comprises the steps of forming a groove on the upper surface of a rammed soil base layer 1, paving waterproof geotextile to form a waterproof layer 2, forming a water collecting tank 3 at the groove part, arranging drainage pipelines at two ends of the water collecting tank 3 to serve as drainage ports 4, paving a large gravel layer 51, a medium gravel layer 52 and a small gravel layer 53 in sequence to form a gravel layer group 5, paving artificial graded sand and stone to form a gravel layer 6 after flattening, flattening again, and paving water-permeable concrete to form a concrete surface layer 7.

The principles and embodiments of the present utility model have been described with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In summary, the present description should not be construed as limiting the utility model.

Claims

1. The utility model provides a highway structure that water permeability is strong which characterized in that: the waterproof layer is arranged above the soil base layer, the water collecting tank is arranged at the top of the waterproof layer, the water outlet is arranged at the side part of the water collecting tank, the gravel layer group is arranged above the waterproof layer, the gravel layer is arranged above the gravel layer group, and the concrete surface layer is arranged above the gravel layer.

2. The water permeable highway structure according to claim 1 wherein: the waterproof layer adopts waterproof geotechnical cloth layer.

3. The water permeable highway structure according to claim 1 wherein: the distance between the water collecting tanks is 3-6m.

4. The water permeable highway structure according to claim 1 wherein: the stone crushing layer group comprises a large stone layer, a middle stone layer and a small stone layer, wherein the large stone layer, the middle stone layer and the small stone layer are sequentially arranged from bottom to top.

5. The water permeable highway structure according to claim 4 wherein: the particle size of broken stone in the large broken stone layer is 20-40cm, and the thickness is 40-60cm.

6. The water permeable highway structure according to claim 4 wherein: the particle size of the broken stone in the medium broken stone layer is 10-20cm, and the thickness is 20-40cm.

7. The water permeable highway structure according to claim 4 wherein: the particle size of broken stone in the small broken stone layer is 5-10cm, and the thickness is 10-20cm.

8. The water permeable highway structure according to claim 1 wherein: the gravel layer has a thickness of 10-20cm.

9. The water permeable highway structure according to claim 1 wherein: the concrete surface layer adopts a water permeable concrete layer.