CN220685644U - Road system in sponge city - Google Patents

Abstract

The utility model discloses a road system of a sponge city, which comprises a pedestrian road structure, a rainwater collecting structure, a driving road structure and a drainage structure, wherein the rainwater collecting structure is positioned between the pedestrian road structure and the driving road structure, the pedestrian road structure and the driving road structure are communicated with the rainwater collecting structure, and the rainwater collecting structure is communicated with the drainage structure. According to the utility model, both the pedestrian road and the driving road are communicated with the drainage structure, so that unified drainage of rainwater is realized, paving of the pedestrian road is improved, effective filtration of the rainwater is realized, and the water permeability and the maintenance period are improved; the drainage system is communicated with the rainwater collecting pool and the municipal pipe network, and meanwhile, the rainwater collecting pool is provided with various rainwater accumulation modes, so that safe water storage under different rainfall can be realized.

Description

Road system in sponge city

Technical Field

The utility model relates to the technical field of sponge city construction, in particular to a road system of a sponge city.

Background

When carrying out sponging urban construction, the sponging of road is the heavy of sponge urban construction, because the impurity is more in the rainwater, leads to the path jam of permeating water of sponge road easily, reduces the effect of permeating water to because the drainage system of partial sponge road is single, finally leads to the drainage effect relatively poor, and can't effectively realize the absorption of rainwater holds and utilizes. The present utility model provides a road system for sponge cities to solve the above problems.

Disclosure of Invention

The utility model provides a road system for a sponge city, which improves the rainwater absorbing and storing effect and is provided with multiple drainage modes so as to ensure the effective drainage of rainwater.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the road system of the sponge city comprises a pedestrian road structure, a rainwater collection structure, a driving road structure and a drainage structure, wherein the rainwater collection structure is positioned between the pedestrian road structure and the driving road structure, the pedestrian road structure and the driving road structure are communicated with the rainwater collection structure, and the rainwater collection structure is communicated with the drainage structure;

the rainwater collection structure comprises a drainage grating, a first water collecting pipe and a bottom plate, wherein the bottom plate is buried underground, the first water collecting pipe is arranged on the bottom plate, the drainage grating is arranged at the top end of the first water collecting pipe, the pedestrian road structure and the driving road structure are communicated with the first water collecting pipe, and the first water collecting pipe is communicated with the drainage structure.

Further, the pavement structure comprises a pavement, a permeable layer, a cushion layer, an isolation layer and a second water collecting pipe, wherein the pavement, the permeable layer, the cushion layer and the isolation layer are arranged layer by layer from top to bottom, and the second water collecting pipe is arranged in soil below the isolation layer and is communicated with the first water collecting pipe.

Further, the road structure comprises an upper layer and a lower layer, wherein the upper layer forms slopes from the middle to two sides, and the lower layer is arranged on a soil body.

Further, the drainage structure comprises a first drainage pipe and a second drainage pipe, the first drainage pipe and the second drainage pipe are communicated with the first water collecting pipe, the first drainage pipe is communicated with the municipal pipe network, the second drainage pipe is communicated with the rainwater collecting tank, and the first drainage pipe is located above the second drainage pipe.

Further, a filter screen is arranged in the first water collecting pipe, and the filter screen is positioned below the drainage grating.

Further, an overflow port is arranged on the first water collecting pipe, and the overflow port is positioned at the edge of the upper layer.

Preferably, the bottom plate is 150mm thick C20 concrete, the pavement is 60mm thick water permeable brick, the permeable layer is 150mm thick C20 water permeable concrete, the bed course is 100mm thick graded broken stone, the isolation layer is geotechnical cloth, and the second water collecting pipe is a collecting flower pipe with the pipe diameter of 100 mm.

Preferably, the upper layer is OGFC drainage asphalt concrete, and the lower layer is dense graded asphalt concrete.

The utility model has the following beneficial effects:

the pedestrian road and the driving road are communicated with the drainage structure, so that uniform drainage of rainwater is realized, paving of the pedestrian road is improved, effective filtration of the rainwater is realized, and the water permeability and the maintenance period are improved;

the drainage system is communicated with the rainwater collecting pool and the municipal pipe network, and meanwhile, the rainwater collecting pool is provided with various rainwater accumulation modes, so that safe water storage under different rainfall can be realized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the system drainage of the present utility model.

Reference numerals: 1-pavement structure, 11-pavement, 12-permeable layer, 13-cushion layer, 14-isolation layer, 15-second collector pipe, 2-rainwater collection structure, 21-drainage grid, 22-first collector pipe, 23-bottom plate, 3-pavement structure, 31-upper layer, 32-lower layer, 4-drainage structure, 41-first drain pipe, 42-second drain pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

As shown in fig. 1, a road system in sponge city comprises a pedestrian road structure 1, a rainwater collecting structure 2, a driving road structure 3 and a drainage structure 4, wherein the rainwater collecting structure 2 is arranged between the pedestrian road structure 1 and the driving road structure 3, the pedestrian road structure 1 and the driving road structure 3 are communicated with the rainwater collecting structure 2, and the rainwater collecting structure 2 is communicated with the drainage structure 4.

As shown in fig. 2, the rainwater firstly passes through the pedestrian road structure 1 with the water permeable effect and the green belt and then enters the water collecting pipe, and then is uniformly discharged into the rainwater collecting structure 2, so that the rainwater is collected, the rainwater collecting structure 2 is communicated with the rainwater collecting tank and the municipal pipe network, the collected rainwater is discharged into the rainwater collecting tank when the rainfall is small, and excessive rainwater can be discharged into the municipal pipe network when the rainfall is large, and the next step of discharge is performed, so that the influence of the rainwater on the city is avoided.

As shown in fig. 1, the rainwater collecting structure 2 includes a drainage grating 21, a first water collecting pipe 22 and a bottom plate 23, the bottom plate 23 is buried underground, the first water collecting pipe 22 is arranged on the bottom plate 23, the drainage grating 21 is arranged at the top end of the first water collecting pipe 22, the pedestrian path structure 1 and the driving road structure 3 are both communicated with the first water collecting pipe 22, and the first water collecting pipe 22 is communicated with the drainage structure 4.

As shown in fig. 1, the pavement structure 1 further includes a pavement 11, a permeable layer 12, a cushion layer 13, an isolation layer 14, and a second water collecting pipe 15, where the pavement 11, the permeable layer 12, the cushion layer 13, and the isolation layer 14 are disposed layer by layer from top to bottom, and the second water collecting pipe 15 is disposed in a soil body below the isolation layer 14 and is communicated with the first water collecting pipe 22.

Rainwater permeates through the water permeable bricks, is filtered through the water permeable layer 12, is collected through the cushion layer 13, is purified through the isolation layer 14, enters the second water collecting pipe 15, and is uniformly discharged into the rainwater collecting structure 2.

Preferably, the second water collecting pipe 15 is arranged along the length direction of the sidewalk, and a drainage branch pipe is arranged at each interval 35m to be communicated with the rainwater collecting structure 2.

Preferably, the pedestrian road structure 1 is provided with a gradient of 3% oriented towards the roadway structure 3.

Further, the road structure 3 includes an upper layer 31 and a lower layer 32, the upper layer 31 forms a slope from the middle to two sides, and the lower layer 32 is disposed on the soil body.

As shown in fig. 1, further, the drainage structure 4 includes a first drainage pipe 41 and a second drainage pipe 42, where the first drainage pipe 41 and the second drainage pipe 42 are both in communication with the first water collecting pipe 22, the first drainage pipe 41 is in communication with the municipal pipe network, the second drainage pipe 42 is in communication with the rainwater collecting pond, and the first drainage pipe 41 is located above the second drainage pipe 42.

Further, a filter screen 24 is disposed in the first water collecting pipe 22, and the filter screen 24 is located below the drain grid 21.

Preferably, the first water collecting pipe 22 is a concrete square pipe with a dimension of 1200 x 1000 x 500 mm.

Further, the first water collecting pipe 22 is provided with an overflow port, and the overflow port is positioned at the edge of the upper layer 31 and is 600mm higher than the first water collecting pipe 22.

Preferably, a filter screen is arranged on the overflow port and used for blocking the impurity flowing along with the rainwater on the road structure 3.

Preferably, the bottom plate 23 is 150mm thick sand-free C20 concrete, the pavement 11 is 60mm thick water permeable bricks, the water permeable layer 12 is 150mm thick C20 water permeable concrete, the cushion layer 13 is 100mm thick graded broken stone, the isolation layer 14 is geotechnical cloth, and the second water collecting pipe 15 is a collecting flower pipe with the pipe diameter of 100 mm.

Preferably, the upper layer 31 is OGFC large-particle drainage asphalt concrete, the road surface is provided with a slope and a slope overflow port, and the lower layer 32 is close-graded waterproof asphalt concrete, so that the influence of rainwater erosion on the base layer on the road surface quality is prevented.

Preferably, an inspection well is included, which is in communication with the first header 22 and is matched in number.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. The road system of the sponge city is characterized by comprising a pedestrian road structure (1), a rainwater collecting structure (2), a driving road structure (3) and a drainage structure (4), wherein the rainwater collecting structure (2) is positioned between the pedestrian road structure (1) and the driving road structure (3), the pedestrian road structure (1) and the driving road structure (3) are communicated with the rainwater collecting structure (2), and the rainwater collecting structure (2) is communicated with the drainage structure (4);

the rainwater collection structure (2) comprises a drainage grid (21), a first water collecting pipe (22) and a bottom plate (23), wherein the bottom plate (23) is buried underground, the first water collecting pipe (22) is arranged on the bottom plate (23), the drainage grid (21) is arranged at the top end of the first water collecting pipe (22), both the pedestrian road structure (1) and the traveling road structure (3) are communicated with the first water collecting pipe (22), and the first water collecting pipe (22) is communicated with the drainage structure (4).

2. The sponge city road system of claim 1, wherein: the pavement structure (1) comprises a pavement (11), a permeable layer (12), a cushion layer (13), an isolation layer (14) and a second water collecting pipe (15), wherein the pavement (11), the permeable layer (12), the cushion layer (13) and the isolation layer (14) are arranged layer by layer from top to bottom, and the second water collecting pipe (15) is arranged in soil below the isolation layer (14) and is communicated with the first water collecting pipe (22).

3. The sponge city road system of claim 1, wherein: the road structure (3) comprises an upper layer (31) and a lower layer (32), wherein the upper layer (31) forms slopes from the middle to two sides, and the lower layer (32) is arranged on soil.

4. The sponge city road system of claim 1, wherein: the drainage structure (4) comprises a first drainage pipe (41) and a second drainage pipe (42), the first drainage pipe (41) and the second drainage pipe (42) are both communicated with the first water collecting pipe (22), the first drainage pipe (41) is communicated with a municipal pipe network, the second drainage pipe (42) is communicated with a rainwater collecting tank, and the first drainage pipe (41) is located above the second drainage pipe (42).

5. The sponge city road system of claim 1, wherein: a filter screen (24) is arranged in the first water collecting pipe (22), and the filter screen (24) is positioned below the drainage grid (21).

6. A sponge urban road system as claimed in claim 3, wherein: and the first water collecting pipe (22) is provided with an overflow port, and the overflow port is positioned at the edge of the upper layer (31).

7. A road system for sponge city as claimed in claim 2, wherein: the bottom plate (23) is 150mm thick C20 concrete, pavement (11) is 60mm thick water permeable brick, permeable layer (12) is 150mm thick C20 water permeable concrete, bed course (13) is 100mm thick graded broken stone, isolation layer (14) is geotechnique's cloth, second collector pipe (15) is the collection floral tube of pipe diameter 100 mm.

8. A sponge urban road system as claimed in claim 3, wherein: the upper layer (31) is OGFC drainage asphalt concrete, and the lower layer (32) is dense graded asphalt concrete.