CN215976703U - Sidewalk structure for controlling road rainwater runoff pollution - Google Patents

Abstract

The utility model provides a sidewalk structure for controlling road rainwater runoff pollution, and relates to the technical field of urban road drainage. The sidewalk structure for controlling the rainwater runoff pollution of the road comprises a first sidewalk and a second sidewalk which are arranged side by side, wherein the first sidewalk is arranged on one side close to a motor vehicle lane; first passenger way has a plurality of rainwater to hold module and ecological tree module along its length direction arranged in turn, and the rainwater holds the module and includes the rainwater pond that is formed by road surface undercut and the apron that covers on the rainwater pond. The juncture of the first sidewalk and the motorway is provided with a curb stone, and the opening for guiding rainwater of the motorway into a rainwater basin is arranged at the position corresponding to the curb stone and the rainwater containing module. The sidewalk structure has a good infiltration degradation effect on rainwater, can reduce pollutants in rainwater in a large amount, has high ecological toughness, and belongs to an ecological facility with a 'breathing function'.

Description

Sidewalk structure for controlling road rainwater runoff pollution

Technical Field

The utility model relates to the field of urban road drainage, in particular to a sidewalk structure for controlling road rainwater runoff pollution.

Background

At present, China faces a more serious urban non-point source pollution problem than developed countries. Among the urban non-point source pollution, the road non-point source pollution occupies 40-80%. The main sources of road non-point source pollutants are: road surfaces are subject to wear from tires and road surfaces, grease leakage, automobile exhaust emissions, and the like. During rainfall, the pollutants of the motorway can form rain runoff pollution.

At present, aiming at non-point source pollution of roads, the rainwater runoff pollution of the roads is mainly controlled by greening dividing strips or setting ecological tree modules. The ecological tree module is planted with ecological trees and is provided with a permeable water storage tank for collecting overflow rainwater. The soil in the tree pool is utilized to complete the filtration and infiltration of rainwater, and the overflow rainwater enters into the penetration type water storage pool through the collecting pipeline. However, in the vertical relation, the elevation of the ecological tree is greater than that of the motor vehicle lane, and only initial rainwater runoff pollution can be controlled. Secondly. The rainwater that overflows to the storage tank has a higher pollutant content, and the impact load on the collecting pipeline and the permeable storage tank is larger.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sidewalk structure for controlling road rainwater runoff pollution, and aims to solve the problem.

The utility model is realized by the following steps:

a sidewalk structure for controlling rainwater runoff pollution of a road comprises a first sidewalk and a second sidewalk which are arranged side by side, wherein the first sidewalk is arranged on one side close to a motor vehicle lane; the first sidewalk is alternately provided with a plurality of rainwater containing modules and ecological tree modules along the length direction of the first sidewalk, wherein each rainwater containing module comprises a rainwater pool formed by a road surface sunken downwards and a cover plate covering the rainwater pool;

and a curb stone is arranged at the junction of the first sidewalk and the motorway, and an opening for guiding rainwater of the motorway into the rainwater tank is formed in the position corresponding to the curb stone and the rainwater containing module.

Further, in a preferred embodiment of the present invention, the cover plate is a grating cover plate, and two ends of the cover plate respectively extend to the adjacent ecological tree modules.

Further, in a preferred embodiment of the present invention, the rainwater containing module further includes a first gravel layer disposed between the rainwater tank and the underlying soil.

Further, in a preferred embodiment of the present invention, the top surface of the first gravel layer is lower than the surface of the motor vehicle lane.

Further, in a preferred embodiment of the present invention, the ecological tree module comprises, from top to bottom, a tree pit grate layer, a planting soil layer and a second gravel layer, wherein the planting soil layer is used for planting greening trees.

Further, in a preferred embodiment of the present invention, the ecological tree module further includes a PP module disposed between the second gravel layer and the lower soil.

Further, in a preferred embodiment of the present invention, the curb is provided with a plurality of vertical slots to form the opening.

Further, in a preferred embodiment of the present invention, a rainwater grate is disposed at an edge of the motorway, and the rainwater grate is disposed adjacent to the ecological tree module.

Further, in a preferred embodiment of the present invention, the first sidewalk and the ecological tree module are substantially equal in width, and the width of the first sidewalk is 1-2 m.

Further, in a preferred embodiment of the present invention, the distance between two adjacent ecological tree modules is 4-8 m.

The utility model has the beneficial effects that: the sidewalk structure for controlling the road rainwater runoff pollution is obtained through the design. The ecological tree module is used for absorbing initial rainwater on the surface of the sidewalk. Through the opening position of curb, in leading-in the rainwater holds the module with the rainwater runoff of road, have good infiltration degradation effect to the rainwater, can subdue the pollutant in the rainwater in a large number, have higher ecological toughness to and the good elasticity in the face of torrential rain flood peak flow. The sidewalk structure is an ecological facility with a breathing function, and is beneficial to promoting green development and low-carbon development.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic plan structure diagram of a sidewalk structure for controlling road rainwater runoff pollution according to an embodiment of the utility model;

FIG. 2 is a schematic view of a cutaway structure at A-A in FIG. 1;

FIG. 3 is a schematic sectional view at B-B in FIG. 1;

FIG. 4 is a schematic view of an open structure of the curb of FIG. 1;

FIG. 5 is a schematic structural diagram of an ecological tree module in another embodiment.

Icon: 10-first sidewalk; 11-a rainwater containing module; 12-an ecological tree module; 121-layer of tree grates; 122-planting soil layer; 123-a second gravel layer; 124-greening trees; a 125-PP module; 13-a rain pool; 131-a cover plate; 14-a first gravel layer; 15-lower soil; 20-a second sidewalk; 30-a vehicle lane; 31-rain water grate; 40-a kerbstone; 41-opening; 401-vertical grooving.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 and 2, the present embodiment provides a sidewalk structure for controlling rainwater runoff pollution of a road, including a first sidewalk 10 and a second sidewalk 20 arranged side by side, the first sidewalk 10 being disposed at a side close to a motor vehicle lane 30.

The first sidewalk 10 is alternately arranged with a plurality of rainwater containing modules 11 and ecological tree modules 12 along a length direction thereof, and the rainwater containing modules 11 include a rainwater tank 13 formed by a road surface depressed downward and a cover plate 131 covering the rainwater tank 13. Specifically, the cover plate 131 is a grating cover plate, and two ends of the cover plate 131 respectively extend to the ecological tree modules 12 at the two ends. The grille cover plate can form a road surface for pedestrians to walk on, and can drain rainwater on the surface of the sidewalk into the rainwater pool 13.

It is understood that, in other embodiments, the cover plate 131 may also be a cover plate with water permeable holes, as long as the water drainage function of the cover plate 131 is satisfied.

A curb 40 is arranged at the junction of the first sidewalk 10 and the motorway 30, and an opening 41 for guiding rainwater of the motorway 30 into the rainwater pool 13 is formed at the position of the curb 40 corresponding to the rainwater containing module 11. Specifically, as shown in fig. 3, the curb 40 is provided with a plurality of vertical slots 401, and the plurality of vertical slots 401 form the opening 41. The rainwater of the driveway 30 is guided into the rainwater tank 13 through the opening of the curb 40.

Further, the rainwater containing module 11 further comprises a first gravel layer 14 arranged between the rainwater tank 13 and the underlying soil 15. Specifically, the height of the first gravel layer 14 is 150 to 250mm, and more preferably 200 mm. The initial rainwater runoff pollutants can be degraded through the first gravel layer 14, the initial rainwater on the road after being absorbed and degraded can be infiltrated into the ecological tree module 12 and the lower soil 15 of the sidewalk, and the ecological tree module 12 can be effectively prevented from being impacted by excessive pollutants due to good digestion effect on the initial rainwater pollutants.

Further, the height of the rain water tank 13 is 150 to 250mm, and more preferably 200 mm. Further, the top surface of the first gravel layer 14 is lower than the surface of the vehicle lane 30. Preferably, the height of the vehicle lane 30 above the first gravel layer 14 is 60-90 mm, and more preferably 80 mm. Through the height that sets up rainwater pond 13 and first gravel layer 14 for the degradation ability of first gravel layer 14 and rainwater pond 13's holding capacity phase-match further guarantee the effect of taking up the initial rainwater of road. The vehicle lane 30 is higher than the first gravel layer 14 to ensure that road rainwater is collected into the rainwater tank 13.

Further, as shown in fig. 4, the ecological tree module 12 includes, from top to bottom, a tree pit grate layer 121, a planting soil layer 122, and a second gravel layer 123, where the planting soil layer 122 is used for planting a greening tree 124. The height of the second gravel layer 123 is preferably flush with the first gravel layer 14. Ecological tree module 12 can effectively clear up the rainfall runoff on pavement, further degrades the rainwater of rainwater absorption module 11 infiltration simultaneously, effectively reduces the rainfall runoff and pollutes.

Further, as shown in fig. 5, in other embodiments, the ecological tree module 12 further includes a PP module 125 disposed between the second gravel layer 123 and the sub-soil 15. The PP module is a rainwater facility capable of storing and draining water. The PP module is injection molded by polypropylene plastics, and is hollow inside, can store the rainwater after second gravel layer 123 purifies, can reuse in ecological tree module 12 in dry season. Further, the PP module 125 is provided with an overflow pipe connected to a municipal rainwater pipe network. Excess rainwater is drained through an overflow pipe.

Further, third gravel layers (not shown) are disposed on both sides of the ecological tree module 12 contacting the rainwater tank 13. Preferably, the third gravel layer is approximately level with the rain pool 13. And the initial rainwater of the road is further absorbed through the third gravel layer, so that the purifying and digesting effects are improved.

Further, a rainwater grate 31 is arranged at the edge of the motor vehicle lane 30, and the rainwater grate 31 is arranged at a position adjacent to the ecological tree module 12. Further, the motorway 30 has a certain gradient, and the rain grate 31 is arranged at the downstream position close to the opening 41 of the curb, so as to ensure that the rain is discharged into the rain accommodating module 11 when the rainfall is not large, and the excessive rain is absorbed by the rain grate 31 when the rainfall is large.

Further, the first sidewalk 10 and the ecological tree module 12 are approximately equal in width, and the width of the first sidewalk 10 is 1-2 m. Further, the distance between two adjacent ecological tree modules 12 is 4-8 m. More preferably, the width of the first sidewalk is approximately 1.5m, and the distance between two adjacent ecological tree modules 12 is approximately 5 m. Under the above specification, can fully guarantee the effect of dispelling the road rainfall runoff pollution.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A sidewalk structure for controlling rainwater runoff pollution of a road is characterized by comprising a first sidewalk and a second sidewalk which are arranged side by side, wherein the first sidewalk is arranged on one side close to a motor vehicle lane; the first sidewalk is alternately provided with a plurality of rainwater containing modules and ecological tree modules along the length direction of the first sidewalk, wherein each rainwater containing module comprises a rainwater pool formed by a road surface sunken downwards and a cover plate covering the rainwater pool;

and a curb stone is arranged at the junction of the first sidewalk and the motorway, and an opening for guiding rainwater of the motorway into the rainwater tank is formed in the position corresponding to the curb stone and the rainwater containing module.

2. A sidewalk structure for controlling road rainwater runoff pollution according to claim 1, wherein the cover plate is a grating cover plate, and two ends of the cover plate respectively extend to the adjacent ecological tree modules.

3. A pavement structure to control runoff of rainwater contamination of a road according to claim 1 and further comprising a first gravel layer disposed between the rain reservoir and underlying soil.

4. A pavement structure for controlling the pollution of road stormwater runoff according to claim 3, wherein the top surface of the first gravel layer is below the surface of the motorway.

5. A sidewalk structure for controlling road rainwater runoff pollution according to claim 1, wherein the ecological tree module sequentially comprises a tree pit grate layer, a planting soil layer and a second gravel layer from top to bottom, and the planting soil layer is used for planting greening trees.

6. A pavement structure for controlling runoff of rainwater of a road according to claim 5 wherein the ecological tree module further comprises a PP module disposed between the gravel bed and the underlying soil.

7. A sidewalk structure for controlling road rainwater runoff pollution according to claim 1, wherein a plurality of vertical slots are formed in the kerbstone to form the opening.

8. A sidewalk structure for controlling road rainwater runoff pollution according to claim 1, wherein a rainwater grate is arranged at the edge of the motorway, and the rainwater grate is arranged adjacent to the ecological tree module.

9. A sidewalk structure for controlling road rainwater runoff pollution according to claim 1, wherein the first sidewalk and the ecological tree module are approximately equal in width, and the width of the first sidewalk is 1-2 m.

10. A sidewalk structure for controlling road rainwater runoff pollution according to claim 1, wherein the distance between two adjacent ecological tree modules is 4-8 m.

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