CN214423059U

CN214423059U - Urban road drainage structure

Info

Publication number: CN214423059U
Application number: CN202023336003.2U
Authority: CN
Inventors: 田刚; 王玉鑫
Original assignee: Beijing Chengyuan Municipal Engineering Co ltd
Current assignee: Beijing Chengyuan Municipal Engineering Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-19
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to an urban road drainage structure belongs to the technical field of road drainage, and it includes the lane and is located the pavement of lane width direction both sides, and the lane is paved and the top surface by the material that permeates water and is the horizontal plane, is provided with drainage channel between lane and the pavement, and permeable bed, drainage layer, grit bed course, soil matrix have been laid by last under to in proper order to the lane below, and drainage channel's bottom is less than drainage layer, drainage layer and drainage channel intercommunication. This application sets up the lane road surface into horizontal plane when guaranteeing lane drainage effect to the degree of wear of vehicle when the road surface is gone has been alleviateed.

Description

Urban road drainage structure

Technical Field

The application relates to the field of road drainage, in particular to an urban road drainage structure.

Background

At present, in urban road construction, in order to better realize road surface drainage, a road surface is often designed into an inclined plane with a high middle and low two sides, so that accumulated water on the road surface is drained into drainage pipelines at two sides, and the inclination of the road surface is generally 1.5% -2.5%.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: although the effect of draining the road surface can be achieved, the road surface is disposed obliquely, which results in an increase in the wear of the vehicle running on such a road surface.

SUMMERY OF THE UTILITY MODEL

In order to guarantee the normal drainage of urban road and alleviate the loss of vehicle when the road surface is gone simultaneously, this application provides an urban road drainage structure.

The application provides an urban road drainage structure adopts following technical scheme:

the utility model provides an urban road drainage structure, includes the lane and is located the pavement of lane width direction both sides, the lane is laid by the material that permeates water and the top surface is the horizontal plane, be provided with drainage channel between lane and the pavement, permeable layer, drainage blanket, grit bed course, soil matrix have been laid by last under to in proper order to the lane below, drainage channel's bottom is less than the drainage blanket, drainage blanket and drainage channel intercommunication.

By adopting the technical scheme, the rainwater falling on the traffic lane sequentially passes through the road surface of the traffic lane and the permeable layer and then reaches the drainage layer, and the rainwater in the drainage layer is converged into the drainage channel to be discharged, so that the accumulated water on the road surface of the traffic lane is ensured to be discharged in time; and the abrasion degree of the running vehicle is reduced because the road surface is flat.

Preferably, the drainage layer is obliquely and downwardly inclined from the middle to two sides along the width direction.

Through adopting above-mentioned technical scheme, set up the drainage course slope and be convenient for the rainwater to flow in the drainage channel of both sides.

Preferably, the inclination of the drainage layer is 3-5%.

By adopting the technical scheme, the rainwater in the drainage layer has higher drainage speed.

Preferably, the top surface of the sidewalk is a slope surface inclined towards the traffic lane.

By adopting the technical scheme, water on the sidewalk can be timely discharged, and water accumulation on the sidewalk is avoided.

Preferably, the slope of the sidewalk is 1-1.5%.

Through adopting above-mentioned technical scheme, avoid experiencing because of the too big influence of slope when guaranteeing that the people's road has certain slope.

Preferably, the top end of the drainage channel is provided with a cover plate, the top surface of the cover plate is flush with the top surfaces of the traffic lane and the sidewalk, and the cover plate is provided with a plurality of drainage holes.

By adopting the technical scheme, water falling on the sidewalk can timely flow into the drainage channel, and the rainwater is prevented from overflowing to the traffic lane.

Preferably, a permeable layer, a drainage layer, a gravel cushion layer and a soil foundation are sequentially paved below the sidewalk from top to bottom, and the drainage layer is communicated with the drainage channel.

By adopting the technical scheme, rainwater on the sidewalk is drained in two modes of laminar flow and seepage flow, and finally collected into the drainage channel to be drained.

Preferably, the drainage layer below the sidewalk is arranged obliquely to the direction of the traffic lane.

By adopting the technical scheme, the drainage speed in the drainage layer is accelerated, and rainwater in the drainage layer is timely drained.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the method comprises the following steps of paving a traffic lane by using a permeable material and horizontally arranging the road surface of the traffic lane, so that accumulated water on the road surface of the traffic lane enters a drainage layer in a seepage mode and flows into drainage channels on two sides of the traffic lane from the drainage layer, drainage of the road surface is ensured, the road surface is changed into a horizontal plane from an inclined plane with a certain gradient, a vehicle runs on a flat road surface, and loss of the vehicle is reduced;

2. set the pavement of the pavement to the inclined plane of drainage channel slope, can in time discharge surface gathered water, improve rainy day people's trip and experience.

Drawings

Fig. 1 is a sectional view of an urban road drainage structure according to a first embodiment of the present application.

Fig. 2 is a schematic structural view of a drainage channel of an urban road drainage structure according to a first embodiment of the present application.

Fig. 3 is a sectional view of an urban road drainage structure according to a second embodiment of the present application.

Fig. 4 is a schematic structural view of a drainage channel of an urban road drainage structure according to a second embodiment of the present application.

Description of reference numerals: 1. a roadway; 2. a sidewalk; 3. soil foundation; 4. a sandstone cushion layer; 5. a concrete cushion; 6. a drainage layer; 7. a water permeable layer; 8. a drainage channel; 81. a cover plate; 82. a drain hole; 83. a communicating portion; 9. a water blocking platform.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Example one

The embodiment of the application discloses urban road drainage structure. Referring to fig. 1 and 2, the urban road drainage structure includes a traffic lane 1 and sidewalks 2 positioned on both sides of the traffic lane 1 in the width direction, and a drainage channel 8 positioned between the traffic lane 1 and the sidewalks 2.

The carriageway 1 is made of a water-permeable material. A permeable layer 7, a drainage layer 6 and a sandstone cushion layer 4 are sequentially paved from top to bottom under the traffic lane 1. And a soil foundation 3 is arranged below the sandstone cushion layer 4.

The top surface of the soil foundation 3 is flat after being compacted. The drainage layer 6 is obliquely arranged from the middle to the two sides, and the inclination is 3-5%. The bottom surface of the sandstone cushion layer 4 is flat, and the top surface of the sandstone cushion layer is matched with the bottom surface of the drainage layer 6. The top surface of the permeable layer 7 is smooth and the bottom surface is matched with the top surface of the drainage layer 6.

The sidewalk 2 is paved by non-permeable materials. The concrete cushion 5 and the sand cushion 4 are arranged below the sidewalk 2 from top to bottom in sequence, and the soil foundation 3 is arranged below the sand cushion 4. The concrete cushion 5 and the sandstone cushion 4 are both horizontally laid. The top surface of the sidewalk 2 is a slope surface inclined towards the traffic lane 1, and the slope is 1-1.5%. The top surface of the sidewalk 2 is set to be a slope surface, so that water on the sidewalk 2 can quickly flow to the drainage channel 8.

The top surface of the drainage channel 8 is flush with the top surfaces of the traffic lane 1 and the sidewalk 2, and the bottom surface is flush with the bottom surface of the gravel cushion 4. A concrete layer supporting the drainage channel 8 is provided below the drainage channel 8. During construction, the soil foundation 3 is firstly tamped, then a groove for pouring a concrete layer is dug on the soil foundation 3, concrete is poured in the groove, and the drainage channel 8 is constructed after the strength of the concrete layer meets the requirement.

The drain passage 8 is opened at a position facing the drain layer 6 with a communicating portion 83 for allowing water to enter the drain passage 8 from the drain layer 6.

The top of the drainage channel 8 is provided with a cover plate 81 for blocking the upper part of the drainage channel 8. The cover plate 81 is provided with a plurality of drainage holes 82. The top surface of the cover plate 81 is flush with the top surfaces of the traffic lane 1 and the sidewalk 2.

A water blocking platform 9 is arranged on the top surface of the traffic lane 1 and close to the drainage channel 8. The water deflector 9 is mainly used to block the water flow from the sidewalk 2 so that the water flow can completely enter the drainage channel 8 and can not enter the traffic lane 1. The water retaining platform 9 may also be a green isolation belt.

The implementation principle of the urban road drainage structure in the embodiment of the application is as follows: according to the design requirements, a traffic lane 1 and a sidewalk 2 are paved, a drainage channel 8 is fixed, in rainy seasons, water falling on the traffic lane 1 enters a drainage layer 6 from a permeable layer 7 and then converges to the drainage channel 8 at two sides of the traffic lane 1, the water falling on the sidewalk 2 flows to the drainage channel 8 along a slope surface and enters the drainage channel 8 from a drainage hole 82 on a cover plate 81, and finally rainwater is drained away from the drainage channel 8.

Example two

The embodiment of the application discloses urban road drainage structure. Referring to fig. 3 and 4, the urban road drainage structure includes a traffic lane 1 and sidewalks 2 positioned on both sides of the traffic lane 1 in the width direction, and a drainage channel 8 positioned between the traffic lane 1 and the sidewalks 2. The difference from the first embodiment is that the walkway 2 is laid from a water permeable material. A permeable layer 7, a drainage layer 6 and a sandstone cushion layer 4 are arranged below the sidewalk 2 from top to bottom in sequence. The drainage layer 6 inclines towards the direction of the traffic lane 1, and the inclination is 3-5%. The permeable layer 7 above the drainage layer 6 and the sandstone cushion layer 4 below the drainage layer are matched with the drainage layer 6. The drainage layer 6 and the drainage channel 8 are communicated by the communicating portion 83.

The implementation principle of the urban road drainage structure in the embodiment of the application is as follows: according to the design requirements, a traffic lane 1 and a sidewalk 2 are paved, a drainage channel 8 is fixed, in rainy seasons, water falling on the traffic lane 1 enters a drainage layer 6 from a permeable layer 7 and then converges to the drainage channel 8 at two sides of the traffic lane 1, the water falling on the sidewalk 2 flows to the drainage channel 8 along a slope surface and enters the drainage channel 8 from a drainage hole 82 on a cover plate 81, partial rainwater enters the drainage channel 8 after entering the drainage layer 6 through the permeable layer 7, and finally the rainwater is drained away through the drainage channel 8.

The application of the road drainage structure changes the upper surface of the traffic lane 1 from the original inclined plane into the horizontal plane, ensures the drainage effect, enables the vehicle to run on a flat road completely, avoids the deviation problem, and reduces the loss of the running vehicle.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an urban road drainage structures, includes lane (1) and pavement (2) that are located lane (1) width direction both sides, its characterized in that: the novel water-permeable road is characterized in that the road way (1) is paved by a water-permeable material, the top surface of the road way is a horizontal plane, a drainage channel (8) is arranged between the road way (1) and the sidewalk (2), a water-permeable layer (7), a drainage layer (6), a gravel cushion layer (4) and a soil foundation (3) are sequentially paved from top to bottom below the road way (1), the bottom end of the drainage channel (8) is lower than the drainage layer (6), and the drainage layer (6) is communicated with the drainage channel (8).

2. The urban road drainage structure according to claim 1, wherein: the drainage layer (6) is obliquely and downwards inclined from the middle to two sides along the width direction.

3. The urban road drainage structure according to claim 2, wherein: the inclination of the drainage layer (6) is 3-5%.

4. The urban road drainage structure according to claim 1, wherein: the top surface of the sidewalk (2) is a slope surface inclined towards the traffic lane (1).

5. The urban road drainage structure according to claim 4, wherein: the slope of the sidewalk (2) is 1-1.5%.

6. The urban road drainage structure according to claim 4, wherein: the top end of the drainage channel (8) is provided with a cover plate (81), the top surface of the cover plate (81) is flush with the top surfaces of the traffic lane (1) and the sidewalk (2), and the cover plate (81) is provided with a plurality of drainage holes (82).

7. The urban road drainage structure according to claim 6, wherein: the water permeable layer (7), the drainage layer (6), the gravel cushion layer (4) and the soil foundation (3) are sequentially paved from top to bottom below the sidewalk (2), and the drainage layer (6) is communicated with the drainage channel (8).

8. The urban road drainage structure according to claim 7, wherein: the drainage layer (6) below the sidewalk (2) is obliquely arranged towards the direction of the traffic lane (1).