CN218951876U

CN218951876U - Composite pavement structure

Info

Publication number: CN218951876U
Application number: CN202221940135.2U
Authority: CN
Inventors: 廖彩凤; 施金君; 孔庆伟; 叶红波; 陈烈辉
Original assignee: SHANGHAI MUNICIPAL TRANSPORTATION DESIGN INSTITUTE CO LTD
Current assignee: SHANGHAI MUNICIPAL TRANSPORTATION DESIGN INSTITUTE CO LTD
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-05-02
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a composite pavement structure, which comprises: the system comprises street tree pits, side ditches and sedimentation tanks, wherein a first distance is reserved between every two street tree pits; each side ditch is connected with two adjacent street tree pits, and the side ditch at least comprises: the ditch bottom, ditch wall and cover plate, there are several water discharge holes on the cover plate, the middle part of ditch bottom is higher than the ditch bottom and close to the two ends of the tree pit of the street, there is the first included angle between horizontal line and the line from its middle part to either end of ditch bottom; each sedimentation tank is arranged between a street tree pit and a side ditch, one end of each sedimentation tank is communicated with the side ditch, the bottom of each sedimentation tank is lower than the bottom of the side ditch, and the other end of each sedimentation tank is provided with a communication hole which is connected with the street tree pit. The utility model utilizes the stereoscopic projection technology at night, and the shapes such as stereoscopic greening, bonsai and the like can be projected above the cover plate, so that road landscapes are enriched. The utility model uses rainwater to irrigate trees, which is green and energy-saving.

Description

Composite pavement structure

Technical Field

The utility model relates to the technical field of road planning, in particular to a composite pavement structure.

Background

At present, a pavement structure generally adopts a water permeable brick structure, and rainwater permeates into a roadbed; or adopts a watertight structure, the road surface rainwater is discharged to the rainwater inlet through a transverse slope, and is discharged into a rainwater pipe to be discharged to a river channel after being collected.

Traditional pavement adopts watertight structure, and road surface rainwater is arranged to the inlet for stom water on the pavement through road cross slope, is collected by the downspout and is discharged to the river course again. Some sidewalks adopt a water permeable structure, and rain water seeps into road foundations, but when the rainfall is large, the rain water is not discharged so as to lead to water accumulation on the road surfaces.

In particular, current walkways have at least the following problems that can be optimized:

1) The rainwater on the pavement of the sidewalk cannot be effectively utilized.

2) The landscaping between the street trees is poor.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a composite pavement structure.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a composite pavement structure, comprising:

the street tree pits are provided with a first distance between every two street tree pits;

each side ditch is connected with two adjacent tree pits of the street tree, and the side ditch at least comprises: the water drain device comprises a ditch bottom, ditch walls and a cover plate, wherein a plurality of water drain holes are formed in the cover plate, the middle part of the ditch bottom is higher than the two ends of the ditch bottom, which are close to the tree pits of the street tree, and a first included angle is formed between a connecting line from the middle part of the ditch bottom to any one end of the ditch bottom and a horizontal line;

sedimentation tanks, each sedimentation tank is located one the street tree stump with between the side ditch, the one end intercommunication of sedimentation tank the side ditch, the bottom of sedimentation tank is less than the bottom of side ditch, a intercommunicating pore has been seted up to the other end of sedimentation tank, the intercommunicating pore is connected the street tree stump.

The composite pavement structure, wherein the bottom of the sedimentation tank is in a shape with the middle depth being greater than the edge depth.

The composite pavement structure is characterized in that the communication hole is formed above the edge of the bottom of the sedimentation tank.

The composite pavement structure is characterized in that one end of the side ditch is arranged above the edge of the bottom of the sedimentation tank.

The composite pavement structure is characterized in that anti-seepage geomembranes are arranged on the pit bottom and the inner wall of the pavement tree pit.

The above-mentioned compound pavement structure, wherein, from down to up in the pavement tree hole is filled with in proper order: gravel, permeable geotechnical cloth, planting soil, rubble, tree pool comb, the gravel forms the gravel layer, the planting soil forms the planting soil layer, rubble forms rubble aquifer.

The above-mentioned compound pavement structure, wherein still includes: and one end of the perforated collection pipe is arranged in the gravel layer.

The composite pavement structure is characterized in that the communicating hole is connected with the broken stone aquifer.

The composite pavement structure is characterized in that a projection device is arranged on the cover plate, and the projection device projects a stereoscopic landscape above the side ditch.

The above-mentioned compound pavement structure, wherein still includes: the sidewalk comprises a sidewalk curb, a sidewalk, a blind road and side sub-bands, wherein the sidewalk curb and the side sub-bands are respectively arranged on two sides of the sidewalk, and the blind road is arranged in the sidewalk; the pavement tree pit is arranged on one side of the pavement, which is close to the side sub-belt, and the side ditch is also arranged on one side of the pavement, which is close to the side sub-belt.

The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:

(1) The utility model utilizes the stereoscopic projection technology at night, and the shapes such as stereoscopic greening, bonsai and the like can be projected above the cover plate, so that road landscapes are enriched.

(2) The utility model uses rainwater to irrigate trees, which is green and energy-saving.

(3) According to the utility model, comprehensive utilization of rainwater on the pavement of the sidewalk is improved, and a blind ditch is arranged on one side of the sidewalk close to the curbstone and between adjacent sidewalk trees, so that the rainwater is collected and used for irrigating the sidewalk trees. In addition, consider increasing the view effect at pavement night, arrange the projection lamp on the side ditch apron, utilize the shadow projection technique, mould different view molding, the function of pavement is more compound various.

Drawings

Fig. 1 is a schematic view of a composite pavement structure of the present utility model.

Fig. 2 is a schematic view of a B-B section of the composite pavement structure of the present utility model.

FIG. 3 is a schematic view of a section A-A of the composite pavement structure of the present utility model.

In the accompanying drawings: 1. a street tree pit; 2. a side ditch; 3. a sedimentation tank; 4. sidewalk curb; 5. sidewalk; 6. a blind road; 7. a side belt; 11. an impermeable geomembrane; 12. a gravel layer; 13. water permeable geotextile; 14. planting a soil layer; 15. broken stone aquifer; 16. tree pool grate; 17. a perforated collection tube; 21. a ditch bottom; 22. a trench wall; 23. a cover plate; 231. a water discharge hole; 31. the communication hole.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific examples, but not by way of limitation, and FIG. 1 is a schematic illustration of a composite pavement structure according to the utility model; FIG. 2 is a schematic view of a section B-B of the composite pavement structure of the present utility model;

fig. 3 is a schematic view of A-A section of the composite pavement structure of the present utility model, referring to fig. 1 to 3, showing a composite pavement structure of a preferred embodiment, comprising: the system comprises street tree pits 1, side ditches 2 and sedimentation tanks 3, wherein a first distance is reserved between every two street tree pits 1; each side ditch 2 is connected with two adjacent street tree pits 1, and the side ditches 2 at least comprise: the ditch bottom 21, the ditch wall 22 and the cover plate 23, a plurality of drain holes 231 are formed in the cover plate 23, the middle of the ditch bottom 21 is higher than the two ends of the ditch bottom 21, which are close to the tree pits 1 of the street, and a first included angle is formed between a connecting line from the middle of the ditch bottom 21 to any one end of the ditch bottom and a horizontal line; each sedimentation tank 3 is arranged between a street tree pit 1 and a side ditch 2, one end of each sedimentation tank 3 is communicated with the side ditch 2, the bottom of each sedimentation tank 3 is lower than the bottom of the side ditch 2, the other end of each sedimentation tank 3 is provided with a communication hole, and the communication holes are connected with the street tree pits 1.

In a preferred embodiment, the bottom of the sedimentation tank 3 is shaped with a middle depth greater than the edge depth.

In a preferred embodiment, the communication hole is provided above the edge of the bottom of the sedimentation tank 3.

In a preferred embodiment, one end of the gutter 2 is located above the edge of the bottom of the sedimentation tank 3.

The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.

The present utility model has the following embodiments based on the above description:

in a further embodiment of the utility model, the bottom and the inner wall of the pavement tree pit 1 are provided with impermeable geomembranes 11.

In a further embodiment of the present utility model, the street tree pit 1 is filled with: gravel, permeable geotextile 13, planting soil, broken stone, tree pool grate 16, gravel forming gravel layer 12, planting soil forming planting soil layer 14, broken stone forming broken stone aquifer 15.

In a further embodiment of the present utility model, further comprising: a perforated collection pipe 17, one end of the perforated collection pipe 17 being disposed within the gravel layer 12.

In a further embodiment of the utility model, the communication hole 31 is connected to the gravel aquifer 15.

In a further embodiment of the utility model, the cover plate 23 is provided with a projection device, and the projection device projects the stereoscopic landscape above the side ditch 2.

In a further embodiment of the present utility model, further comprising: the sidewalk comprises a sidewalk curb 4, a sidewalk 5, a blind road 6 and a side sub-belt 7, wherein the sidewalk curb 4 and the side sub-belt 7 are respectively arranged on two sides of the sidewalk 5, and the blind road 6 is arranged in the sidewalk 5; the pavement tree pit 1 is arranged on one side of the pavement 5 close to the side sub-belt 7, and the side ditch 2 is also arranged on one side of the pavement 5 close to the side sub-belt 7.

In a preferred embodiment, the first included angle is 0.3-0.5% of the longitudinal slope, the collected rainwater is discharged into the tree holes of the street trees at two sides, and the street trees are irrigated by the rainwater.

In a preferred embodiment, the water permeable geotextile 13 is disposed adjacent to the side ditch 2 side of the tree pit to prevent soil in the tree pit from entering the side ditch 2, and water in the side ditch 2 is discharged into the tree pit.

In a preferred embodiment, the cover plate 23 is provided with a projection device, and the stereoscopic projection technology is utilized at night, so that the shapes of stereoscopic greening, bonsai, small products and the like can be projected above the cover plate 23, and road landscapes are enriched.

In a preferred embodiment, the present application provides side ditches 2 between adjacent street trees, and the rainwater on the sidewalk 5 is collected through small openings on the cover plate 23 of the side ditches 2, so as to irrigate the street trees, thereby realizing comprehensive utilization of the rainwater. Meanwhile, the cover plate 23 is provided with projection lamps, and different landscape effects are created by projection of light and shadow at night.

In a preferred embodiment, the dimensions of both the street tree pit 1, the side trench 2 are selected according to the specific road planning entry.

Further, when the width of the sidewalk 5 is not more than 4 meters, two rows of openings are arranged; when the width of the sidewalk 5 is larger than 4 meters, three rows of openings are arranged.

In a preferred embodiment, water permeable geotextiles 13 are provided adjacent the side furrows 2 and the street tree pits 1 to prevent soil from entering the side furrows 2 to pool the side furrows 2 without affecting the penetration of rainwater into the street tree pits. Meanwhile, a small sedimentation tank 3 is arranged for storing rainwater.

In a preferred embodiment, projection lamps are arranged on each cover plate 23 of the side ditch 2, and different landscape shapes such as green belts, bonsais and the like are molded by utilizing a light and shadow projection technology.

In a preferred embodiment, in half cases, the pavement 5 side strips 7 (the side closer to the pavement) are planted every 6 meters.

The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.

Claims

1. A composite pavement structure comprising:

2. The composite pavement structure of claim 1, wherein the bottom of the sedimentation tank is shaped to have a middle depth greater than an edge depth.

3. The composite pavement structure according to claim 2, wherein the communication hole is provided above an edge of a bottom of the sedimentation tank.

4. A composite pavement structure according to claim 3, wherein one end of the gutter is disposed above the edge of the bottom of the sedimentation tank.

5. The composite pavement structure according to claim 1, wherein the pavement tree pit bottom and the inner wall are provided with impermeable geomembranes.

6. The composite pavement structure according to claim 5, wherein the pavement tree pits are sequentially filled with: gravel, permeable geotechnical cloth, planting soil, rubble, tree pool comb, the gravel forms the gravel layer, the planting soil forms the planting soil layer, rubble forms rubble aquifer.

7. The composite pavement structure of claim 6, further comprising: and one end of the perforated collection pipe is arranged in the gravel layer.

8. The composite pavement structure of claim 7, wherein the communication holes are connected to the gravel aquifer.

9. The composite pavement structure of claim 1, wherein the cover plate is provided with a projection device, and the projection device projects a stereoscopic view above the side ditch.

10. The composite pavement structure of claim 1, further comprising: the sidewalk comprises a sidewalk curb, a sidewalk, a blind road and side sub-bands, wherein the sidewalk curb and the side sub-bands are respectively arranged on two sides of the sidewalk, and the blind road is arranged in the sidewalk; the pavement tree pit is arranged on one side of the pavement, which is close to the side sub-belt, and the side ditch is also arranged on one side of the pavement, which is close to the side sub-belt.