CN111576138A

CN111576138A - Greening structure achieving water retention and drainage balance and construction method thereof

Info

Publication number: CN111576138A
Application number: CN202010475341.XA
Authority: CN
Inventors: 顾燕飞; 王洁; 张美丽; 钱怡婷; 程小燕
Original assignee: Gardening Lanscaping Construction Co ltd
Current assignee: Gardening Lanscaping Construction Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-08-25

Abstract

The invention discloses a greening structure for obtaining water retention and drainage balance, which comprises: a sidewalk; the planting device comprises a concave main body, a main body and a planting device, wherein the concave main body is arranged on the sidewalk, an arbor planting pit is arranged in the concave main body, a surrounding plate is arranged at the upper part of the planting pit, and a permeable pavement is arranged between the inner part of the concave main body and the surrounding plate; the water inlet of the drain pipe is arranged at the bottom of the concave main body, the water outlet of the drain pipe is connected with a city drainage system, the water inlet of the drain pipe is square, the cover plate is arranged on the water inlet, one side of the cover plate is hinged to one side of the water inlet through a torsion spring, the other three sides of the water inlet are provided with elastic sealing rings, when the water is not filled in the concave main body, the other three sides of the cover plate are arranged on the elastic sealing rings, and when the water is stored in the concave main body to a preset percentage, the cover plate is turned over to the position below the elastic sealing rings.

Description

Greening structure achieving water retention and drainage balance and construction method thereof

Technical Field

The invention belongs to the field of sponge cities, and particularly relates to a greening structure with water retention and drainage balance and a construction method thereof.

Background

The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city.

The international general term is 'low-impact development of rainwater system construction', water absorption, water storage, water seepage and water purification are carried out when raining, and the stored water is released and utilized when needed, so that rainwater can freely migrate in cities.

From the ecological system service, the water ecological infrastructure is constructed through cross-scale construction and is constructed by combining various specific technologies, and the water ecological infrastructure is the core of a sponge city.

Under the new situation, the sponge city promotes the green building construction, the development of low-carbon cities and the innovation of the formation of smart cities, and is the organic combination of modern green new technology and a plurality of factors such as society, environment, humanity and the like under the characteristic background of a new era. The sponge city material is substantially applied, has the characteristics of excellent water seepage, compression resistance, wear resistance, skid resistance, environmental protection, attractive and colorful appearance, comfort, easy maintenance, sound absorption, noise reduction and the like, becomes a breathable town landscape pavement, effectively relieves the urban heat island effect, and ensures that the urban pavement does not generate heat any more.

The greening structures on two sides of the street are only simple green plants or trees and lack the water absorbing, storing and draining capabilities.

Disclosure of Invention

The invention provides a greening structure capable of achieving water retention and drainage balance and a construction method thereof, aiming at the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a greening structure for achieving water retention and drainage balance, the greening structure comprising: a sidewalk; the planting device comprises a concave main body, a main body and a planting device, wherein the concave main body is arranged on the sidewalk, an arbor planting pit is arranged in the concave main body, a surrounding plate is arranged at the upper part of the planting pit, and a permeable pavement is arranged between the inner part of the concave main body and the surrounding plate; and

the drain pipe, the water inlet setting of drain pipe is in the bottom of recessed main part, the delivery port of drain pipe links to each other with urban drainage system, the water inlet of drain pipe is square, be provided with the apron on the water inlet, one side of apron articulates through the torsional spring one side of water inlet, three other sides of water inlet are provided with the elasticity sealing washer, when recessed main part is inside anhydrous, three other sides of apron set up on the elasticity sealing washer, when the inside water storage of recessed main part is to predetermined percentage, the apron upset extremely under the elasticity sealing washer.

Preferably, one side of the concave body is arranged against a street, the lower the pavement the closer the walkway is to the street.

Preferably, a watertight road surface is paved on the sidewalk.

Preferably, the sidewalk is provided with a water guide channel, and the water guide channel is communicated with the concave main body.

Preferably, the permeable paving material is cobblestone or permeable asphalt or permeable concrete.

Preferably, the water permeable paving material is water permeable bricks and cobblestones.

Preferably, the top of the permeable pavement is provided with a plurality of soil planting areas for placing greening plants.

Preferably, a passage area for pedestrian is reserved between the soil planting areas.

Preferably, the inner surface of the concave body is provided with a water impermeable cement layer.

Compared with the prior art, the invention has the beneficial effects that: by constructing the concave main body, the arbor and green plantation are unified, and the ornamental value is improved; through the structural design of the concave main body and the sidewalk, rainwater in rainfall weather can be effectively discharged into the concave main body from the sidewalk, so that the sidewalk is ensured to be dry, and the rainfall in the area of one sidewalk is effectively collected; through the design of the drain pipe in the concave main body, when the water pressure in the concave main body is small, water retention is realized, and when the water pressure in the concave main body is large, water drainage is realized, so that the balance problem of water drainage and water retention is well solved; the water-containing cavity is constructed by arranging the water-permeable pavement and the cement layer, and the water-permeable pavement also plays a role in effectively supporting the upper coaming and the green plant area; the channel area is reserved, so that the personnel can move conveniently; through the mixed permeable structure of the permeable bricks and the cobblestones, the situation that the drain holes are blocked along with the use of the permeable pavement is prevented while the overall structure stability of the permeable pavement is kept.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a greening structure according to an embodiment of the present invention.

Fig. 3 is a schematic three-dimensional structure diagram when the water permeable pavement is not included in the embodiment of the invention.

Fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic structural view of a water permeable pavement according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort 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 "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1 to 5, the present embodiment provides a greening structure with water retention and drainage balance, comprising: a sidewalk 1; the main body 2 is recessed, the main body 2 is arranged on the sidewalk 1, the sidewalk 1 near the main body 2 forms a curved surface inclined towards the main body 2, a tree planting pit 3 is arranged in the main body 2, a surrounding plate 4 is arranged at the upper part of the planting pit, and a permeable pavement 5 is arranged between the main body 2 and the surrounding plate 4; and a water inlet of the water discharge pipe 6 is arranged at the bottom of the concave main body 2, and a water outlet of the water discharge pipe 6 is connected with a city drainage system. The enclosing plate 4 is a rectangular structure with a hole reserved in the middle and is made of a non-permeable material. The coaming 4 effectively prevents the pollution caused by the water and soil loss in the planting pit and enlarges the standing face.

One side of the concave body 2 is placed against the street, the lower the pavement of the sidewalk 1 is closer to the street.

And paving a waterproof road surface on the sidewalk 1.

The sidewalk 1 is provided with a water diversion channel which is communicated with the concave main body 2.

The permeable pavement 5 is made of cobblestones, permeable asphalt or permeable concrete.

The permeable pavement 5 is made of permeable bricks and cobblestones.

The top of the permeable pavement 5 is provided with a plurality of soil planting areas 7 for placing greening plants.

And passage areas 8 for pedestrian are reserved between the soil planting areas 7. The quantity of arbor planting hole 3 is 2, and the symmetric distribution sets up first planting soil region 7 in the concave main part 2, and the second planting soil region 7 of a T-shaped still includes the arbor planting hole 3, and the passageway region 8 is left to establish between one side of its T-shaped and the first planting soil region 7, and the another side of T-shaped is arranged along the one side that is close to the street. The arrangement has better ornamental value and is inconvenient for subsequent maintenance. And the green plants on the T-shaped sides form a better street profile, so that a better guiding effect is provided for the vehicle.

The inner surface of the concave body 2 is provided with a water-impermeable cement layer 9.

The water inlet of drain pipe 6 is square, is provided with apron 10 on the water inlet, and one side of apron 10 passes through the torsional spring and articulates in one side of water inlet, and three other sides of water inlet are provided with elasticity sealing washer 11, and when sunken main part 2 was inside anhydrous, three other sides of apron 10 set up above elasticity sealing washer 11, and when sunken main part 2 inside water storage reached predetermined percentage, apron 10 overturned under elasticity sealing washer 11. The predetermined percentage is 70-80%

The other three sides of the water inlet are provided with limiting rings above the elastic sealing ring 11, and when the water is not filled in the main body 2, the other three sides of the cover plate 10 are arranged between the elastic sealing ring 11 and the limiting rings.

A construction method of a greening structure comprises the following steps: manufacturing a sidewalk roadbed inclined to a street pavement; manufacturing the concave main body on the sidewalk roadbed, and digging planting pits in the concave main body; paving a cement layer on the sidewalk and in the inner surface (excluding the planting pit) of the concave main body, arranging a drain pipe at the bottom of the concave main body, and connecting the drain pipe with a city drainage system; planting trees in the planting pits; arranging permeable pavement in the residual space in the concave main body, and reserving a first pit and a second pit on the upper surface of the permeable pavement; filling a planting soil layer into the first concave pits; planting green plants in the planting soil layer; and paving a coaming in the second concave pit.

By constructing the concave main body, the arbor and green plantation are unified, and the ornamental value is improved; through the structural design of the concave main body and the sidewalk, rainwater in rainfall weather can be effectively discharged into the concave main body from the sidewalk, so that the sidewalk is ensured to be dry, and the rainfall in the area of one sidewalk is effectively collected; through the design of the drain pipe in the concave main body, when the water pressure in the concave main body is small, water retention is realized, and when the water pressure in the concave main body is large, water drainage is realized, so that the balance problem of water drainage and water retention is well solved; the water-containing cavity is constructed by arranging the water-permeable pavement and the cement layer, and the water-permeable pavement also plays a role in effectively supporting the upper coaming and the green plant area; the channel area is reserved, so that the personnel can move conveniently; through the mixed permeable structure of the permeable bricks and the cobblestones, the situation that the drain holes are blocked along with the use of the permeable pavement is prevented while the overall structure stability of the permeable pavement is kept.

Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.

Claims

1. A green structure for achieving water retention and drainage balance, the green structure comprising:

a sidewalk;

the planting device comprises a concave main body, a main body and a planting device, wherein the concave main body is arranged on the sidewalk, an arbor planting pit is arranged in the concave main body, a surrounding plate is arranged at the upper part of the planting pit, and a permeable pavement is arranged between the inner part of the concave main body and the surrounding plate; and

2. The greening structure for achieving water retention and drainage balance of claim 1, wherein one side of the concave body is disposed against a street, and the pavement is lower the closer the sidewalk is to the street.

3. The greening structure achieving water retention and drainage balance as claimed in claim 1, wherein a water-impermeable pavement is laid on the sidewalk.

4. The greening structure achieving water retention and drainage balance as claimed in claim 3, wherein an aqueduct is provided on the sidewalk, and the aqueduct is communicated with the concave main body.

5. The greening structure achieving water retention and drainage balance as claimed in claim 1, wherein the water permeable paving material is cobblestones or water permeable asphalt or water permeable concrete.

6. The greening structure achieving water retention and drainage balance as claimed in claim 1, wherein the water permeable paving material is water permeable bricks and cobblestones.

7. The greening structure for achieving water retention and drainage balance as claimed in claim 1, wherein the top of said permeable pavement is provided with a plurality of soil-planting areas for placing greening plants.

8. The greening structure for achieving water retention and water drainage balance as claimed in claim 7, wherein a passage area for pedestrian is left between said soil-planted areas.

9. The greening structure achieving water retention and drainage balance as claimed in claim 1, wherein the inner surface of the recessed body is provided with a water-impermeable cement layer.

10. A construction method of a greening structure is characterized by comprising the following steps: manufacturing a sidewalk roadbed inclined to a street pavement;

manufacturing a concave main body on the sidewalk roadbed, and digging planting pits in the concave main body;

paving a cement layer on the roadbed of the sidewalk and in the inner surface of the concave main body, arranging a drain pipe at the bottom of the concave main body, and connecting the drain pipe with a city drainage system;

planting trees in the planting pits;

arranging permeable pavement in the residual space in the concave main body, and reserving a first pit and a second pit on the upper surface of the permeable pavement;

filling a planting soil layer in the first concave pit;

planting green plants in a planting soil layer;

and laying a coaming plate in the second concave pit.