CN210086422U

CN210086422U - Landscape drainage system for shallow water depression

Info

Publication number: CN210086422U
Application number: CN201920672784.0U
Authority: CN
Inventors: 郑东风
Original assignee: Shanghai Keyuan Landscape Engineering Design Co Ltd
Current assignee: Shanghai Keyuan Landscape Engineering Design Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-02-18
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a landscape drainage system for shallow water depressions, which relates to the technical field of rainwater recovery and comprises a landscape area, wherein the landscape area is lower than the ground around the landscape area, an overflow channel is pre-embedded vertically in the landscape area, the upper end of the overflow channel is higher than the bottom surface of the landscape area, and the upper end of the overflow channel is not higher than the ground around the landscape area; a connecting channel is also pre-embedded in the landscape area, one end of the connecting channel is communicated with the middle part of the overflow channel, and one side of the connecting channel, which is far away from the overflow channel, is communicated with a reservoir. The utility model has the advantages of can realize alleviateing the ponding pressure in the view district to the discharge operation of rainwater in the view district, reduce view district rainwater overflow to the district and cause the serious condition of ponding to take place in the district.

Description

Landscape drainage system for shallow water depression

Technical Field

The utility model belongs to the technical field of the rainwater recovery technique and specifically relates to a shallow water hollow ground view drainage system is related to.

Background

The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can be also called as a water elasticity city. The international generic term is "low impact development storm water system construction". When raining, the utility model absorbs water, stores water, seeps water and purifies water, and when needed, the stored water is released and utilized.

In the prior art, people often build a landscape area with better water storage property for further utilizing rainwater, and water absorption materials are paved in the landscape area, so that water is absorbed and stored in rainy days and supplied to plants in sunny days.

However, when the landscape area is applied to a residential building, a large amount of water is accumulated in the landscape area and is likely to overflow to the outside in the case of continuous rainy days, so that the water accumulation in the residential building is serious, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a shallow water hole ground view drainage system sets up overflow channel in the view district to arrange the cistern with the rainwater in view district through interface channel, realize the discharge operation to the interior rainwater of view district, alleviate the ponding pressure in the view district, reduce view district rainwater overflow to the district in and cause the serious condition of ponding to take place in the district.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a landscape drainage system for a shallow water depression comprises a landscape area, wherein the landscape area is lower than the ground on the peripheral side of the landscape area, and the landscape drainage system is characterized in that an overflow channel is pre-buried vertically in the landscape area, the upper end of the overflow channel is higher than the bottom surface of the landscape area, and the upper end of the overflow channel is not higher than the ground on the peripheral side of the landscape area; still pre-buried interface channel in the view district, interface channel's one end and overflow channel's middle part intercommunication, one side intercommunication that overflow channel was kept away from to interface channel is provided with the cistern.

By adopting the technical scheme, in rainy days, part of rainwater in the residential area flows into the landscape area, and the rainwater is absorbed by soil in the landscape area; after soil in the landscape area absorbs sufficient water, water begins to be stored in the landscape area, when the height of the stored water is higher than the upper side of the overflow channel, rainwater overflows into the overflow channel, and the connecting channel flows into the reservoir. Through this kind of mode, realize the discharge operation to the interior rainwater of view district, alleviate the ponding pressure in the view district, reduce the view district rainwater and overflow to the district and cause the serious condition emergence of district's ponding to make the rainwater can deposit in the view district, reduce the volume that the soil erosion and water runs off in the district.

Wherein, with the one end intercommunication of connected passage in the one end of overflow passageway, the downside that the rainwater got into in the overflow passageway will form the buffering water layer, reduces the rainwater and takes place the condition of overflow passageway lower extreme erosion to can further deposit the rainwater, promote the clean degree of draining into rainwater in the cistern.

The utility model discloses further set up to: the upper end of the overflow channel is covered with a rainwater grate.

By adopting the technical scheme, the rainwater grate is arranged at the upper end of the overflow channel, so that the situation that larger objects flow into the overflow channel along with rainwater is reduced, and the situation that the overflow channel and the connecting channel are blocked is reduced.

The utility model discloses further set up to: the landscape area and the connection part of the ground on the periphery of the landscape area are arranged in a ladder shape.

By adopting the technical scheme, the rainwater flows into the landscape area through the stepped ground, the flow velocity of the rainwater is reduced, the scouring force of the rainwater on the landscape area is weakened, and the water and soil loss amount in the landscape area is reduced.

The utility model discloses further set up to: the subaerial of view district week side is provided with the low wall of curb around the view district, the discharge orifice has been seted up to the downside of the low wall of curb.

By adopting the technical scheme, in rainy days, rainwater flows into the landscape area through the drain holes, so that the condition that external large sundries enter the landscape area is reduced, the paths of rainwater flowing into the landscape area can be increased, and the condition that rainwater intensively scours the partial ground of the landscape area and forms water puddles is reduced.

The utility model discloses further set up to: the landscape area is provided with a water storage layer on the lower side of the overflow channel, the water storage layer is paved with crushed stones, and the lower end of the overflow channel is communicated with the water storage layer.

Through adopting above-mentioned technical scheme, set up the aquifer in the view district to by aquifer storage rainwater, supply with the interior plant in view district for sunny day, with overflow channel's lower extreme and aquifer intercommunication, thereby help promoting the abundant degree that the aquifer was impounded.

The utility model discloses further set up to: and the upper side and the lower side of the water storage layer are both provided with geotechnical cloth layers.

Through adopting above-mentioned technical scheme, set up geotechnological cloth layer in the upper and lower both sides of water-storage layer to it takes place to reduce soil and get into the water-storage layer condition, helps guaranteeing the water-storage capacity of water-storage layer.

The utility model discloses further set up to: and a stabilizing seat is arranged at the lower end of the overflow channel.

Through adopting above-mentioned technical scheme, set up stable seat at overflow channel's lower extreme, promote overflow channel stability in the view district.

The utility model discloses further set up to: the landscape zone is provided with water drainage grooves in the peripheral sides of the overflow channels, broken stone blocks are filled in the water drainage grooves, and small drainage openings are formed in the side walls, close to the water drainage grooves, of the overflow channels.

Through adopting above-mentioned technical scheme, under the rainwater weather, be less than overflow channel's rainwater with water drainage tank to in the overflow channel is slowly flowed in to the osculum of drainage, help guaranteeing the interior soil of view district sufficiency that absorbs water, and reduce the circumstances of view district retaining and take place, reduce some plants because the condition that moisture is excessively lethal takes place.

The utility model discloses further set up to: the side wall of the drainage groove is formed by pouring concrete.

Through adopting above-mentioned technical scheme, form the lateral wall of water drainage tank by concrete placement, reduce the condition emergence that water drainage tank week side soil got into water drainage tank, help guaranteeing water drainage tank and drainage osculum normal discharge operation to the rainwater.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) by arranging the overflow channel in the landscape area and discharging rainwater in the landscape area into the water storage tank through the connecting channel, the rainwater in the landscape area is discharged, the pressure of accumulated water in the landscape area is reduced, and the condition that the rainwater in the landscape area overflows into a cell to cause serious water accumulation in the cell is reduced;

(2) the rainwater grate is arranged at the upper end of the overflow channel, the connecting part of the landscape area and the ground on the periphery of the landscape area is arranged in a step shape, and the curb short walls are arranged on the ground on the periphery of the landscape area and around the landscape area, so that the condition that large sundries enter the landscape area is greatly reduced, and the condition that the overflow channel and the connecting channel are blocked is greatly reduced;

(3) comprehensive utilization sets up the water drainage tank in landscape zone position overflow channel's week side, sets up the drainage osculum in one side that overflow channel is close to the water drainage tank to and form through concrete placement with the lateral wall of water drainage tank, thereby realize being less than the discharge operation of overflow channel upper end rainwater in the landscape zone, help guaranteeing the sufficiency that soil absorbs water in the landscape zone, reduce the circumstances of landscape zone retaining and take place, reduce partial plant because the condition that moisture is excessively lethal takes place.

Drawings

Fig. 1 is a schematic cross-sectional view of the present embodiment, which mainly shows the overall structure of the landscape drainage system in a shallow water depression.

Reference numerals: 1. a landscape area; 11. buffering the stairs; 12. a aquifer; 13. a geotextile layer; 14. an impermeable membrane; 2. an overflow channel; 21. a connecting channel; 22. a rainwater grate; 23. a small drainage opening; 24. a stabilizing base; 241. a water communicating hole; 3. a reservoir; 4. curb low walls; 41. a water flowing hole; 5. a water drainage groove.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example (b):

referring to the attached drawing 1, the landscape drainage system for the shallow water depression comprises a landscape area 1, wherein the landscape area 1 is lower than the ground on the periphery side of the landscape area, water-flooded plants can be planted in the landscape area 1, overflow channels 2 are pre-buried in the landscape area 1 from top to bottom, the upper ends of the overflow channels 2 are higher than the bottom surface of the landscape area 1, and the upper ends of the overflow channels 2 are not higher than the ground on the periphery side of the landscape area 1; a connecting channel 21 is also pre-embedded in the landscape area 1, one end of the connecting channel 21 is communicated with the middle part of the overflow channel 2, and one side of the connecting channel 21, which is far away from the overflow channel 2, is communicated with a reservoir 3. In rainy days, part of rainwater in the residential area flows into the landscape area 1, and the rainwater is absorbed by soil in the landscape area 1; after the soil in the landscape area 1 absorbs sufficient water, the landscape area 1 starts to store water and precipitate, and when the water storage height is higher than the upper side of the overflow channel 2, rainwater overflows into the overflow channel 2 and flows into the reservoir 3 through the connecting channel 21.

The upper end of the overflow channel 2 is covered with a rainwater grate 22. The landscape area 1 and the ground connection part on the periphery of the landscape area 1 are arranged in a step shape, and a buffer step 11 is formed; the subaerial of landscape zone 1 week side is provided with curb short wall 4 around landscape zone 1, and the downside of curb short wall 4 has seted up discharge orifice 41, and discharge orifice 41 is equipped with a plurality of at the even interval of curb short wall 4. In the rainy weather, the rainwater is split into a plurality of water flows through the drain holes 41 on the curb short walls 4 and flows into the landscape area 1, and the speed of the rainwater flowing into the landscape area 1 is reduced by the buffer ladder 11, so that the condition of scouring the ground in the landscape area 1 is reduced; then, when the accumulation height of the rainwater in the landscape zone 1 reaches the upper end of the overflow channel 2, the rainwater is filtered by the rainwater grate 22 and overflows into the overflow channel 2, and the situation that larger objects enter the overflow channel 2 along with the rainwater is reduced.

Landscape zone 1 is provided with water drainage tank 5 in overflow passageway 2's week side, and water drainage tank 5's lateral wall forms by concrete placement, fills the garrulous stone in water drainage tank 5, and overflow passageway 2 is close to the lateral wall of water drainage tank 5 bottom and has seted up drainage osculum 23, and drainage osculum 23 sets up a plurality ofly around overflow passageway 2 week side even interval. When the rainwater in the landscape area 1 is accumulated to a height lower than the upper end of the overflow channel 2, the rainwater flows into the drainage groove 5 and slowly flows into the overflow channel 2 through the drainage small opening 23, and the soil in the landscape area 1 can be ensured to absorb water sufficiently.

The lower extreme of overflow passageway 2 is provided with stabilizes the seat 24, and landscape zone 1 is adjacent in stabilizing the seat 24 downside position and is provided with aquifer 12, and the rubble piece is laid to aquifer 12, and the intermediate position of stabilizing the seat 24 has been seted up intercommunication water hole 241 and has been linked together with aquifer 12, and the upper and lower both sides of aquifer 12 all are provided with geotechnological cloth layer 13. In order to reduce the occurrence of the situation that rainwater continues to seep down and enter the underground building, the lower side of the aquifer 12 is provided with an impermeable membrane 14. In the practical application, the water storage layer 12 stores rainwater for supplying to the plants in the landscape zone 1 on a sunny day, the lower end of the overflow channel 2 is communicated with the water storage layer 12, the water storage sufficiency of the water storage layer 12 is promoted, the condition that soil enters the water storage layer 12 is reduced through the geotechnical cloth layer 13, and the water storage amount of the water storage layer 12 is guaranteed.

The present embodiment is further described below with reference to specific actions: in the rainy weather, the rainwater is split into a plurality of water flows through the drain holes 41 on the curb short walls 4 and flows into the landscape area 1, and the speed of the rainwater flowing into the landscape area 1 is reduced by the buffer ladder 11; then, rainwater is accumulated and precipitated in the landscape area 1, and part of rainwater is absorbed by soil in the landscape area 1; at the same time, rainwater will flow into the drainage channel 5 and slowly into the overflow channel 2 via the small drainage openings 23, and some of the rainwater will accumulate in the aquifer 12. When the rainwater is large and the water storage height is higher than the upper side of the overflow channel 2, the rainwater is filtered by the rainwater grate 22, overflows into the overflow channel 2 and flows into the reservoir 3 through the connecting channel 21.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A landscape drainage system for a shallow water depression comprises a landscape area (1), wherein the landscape area (1) is lower than the ground on the peripheral side of the landscape area, and is characterized in that overflow channels (2) are pre-embedded in the landscape area (1), the upper ends of the overflow channels (2) are higher than the bottom surface of the landscape area (1), and the upper ends of the overflow channels (2) are not higher than the ground on the peripheral side of the landscape area (1); still pre-buried connect the passageway (21) in view district (1), the middle part intercommunication of the one end and overflow passageway (2) of connect the passageway (21), one side intercommunication that overflow passageway (2) were kept away from in connect the passageway (21) is provided with cistern (3).

2. A shallow water hollow landscape drainage system according to claim 1, characterized in that the upper end of the overflow channel (2) is covered with a rain grate (22).

3. A shallow water hollow landscape drainage system according to claim 1, characterized in that the landscape zone (1) is arranged in a step shape with the ground connection around the landscape zone (1).

4. A shallow water hollow landscape drainage system according to claim 1, wherein a curb short wall (4) is arranged on the ground around the landscape area (1) on the periphery of the landscape area (1), and a water flowing hole (41) is formed in the lower side of the curb short wall (4).

5. A shallow hollow landscape drainage system according to claim 1, where the landscape zone (1) is provided with aquifers (12) next to the underside of the overflow channel (2), where the aquifers (12) are laid with crushed stone, and where the lower end of the overflow channel (2) communicates with the aquifers (12).

6. A shallow hollow landscape drainage system according to claim 5, wherein geotextile layers (13) are arranged on the upper and lower sides of the aquifer (12).

7. A shallow water hollow landscape drainage system according to claim 1, characterized in that the lower end of the overflow channel (2) is provided with a stabilizing seat (24).

8. A shallow hollow landscape drainage system according to claim 1, characterized in that the landscape zone (1) is provided with drainage grooves (5) at the periphery of the overflow channel (2), the drainage grooves (5) are filled with crushed stone, and the side wall of the overflow channel (2) near the drainage grooves (5) is opened with a small drainage opening (23).

9. A shallow water hollow landscape drainage system according to claim 8, characterized in that the side walls of the drainage channel (5) are cast of concrete.