CN207176866U - A kind of sunk type lawn watering structure - Google Patents
A kind of sunk type lawn watering structure Download PDFInfo
- Publication number
- CN207176866U CN207176866U CN201721123316.5U CN201721123316U CN207176866U CN 207176866 U CN207176866 U CN 207176866U CN 201721123316 U CN201721123316 U CN 201721123316U CN 207176866 U CN207176866 U CN 207176866U
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- soil layer
- sunk type
- planting soil
- vegetation
- type lawn
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Abstract
The utility model is a kind of sunk type lawn watering structure.Include and resistance to flood vegetation, planting soil layer, screed-coat, basic unit, stormwater overflow mouth, wherein the top surface of basic unit sets screed-coat, and the top surface of screed-coat sets planting soil layer, vegetation is planted in planting soil layer, stormwater overflow mouth is additionally provided with planting soil layer, and the vegetation of planting soil layer and its plantation is less than road surface.The utility model can not only cut down run-off, mitigate Urban Flood Waterlogging, and under the rainwater that oozes can increase soil water content to reduce green land irrigation water consumption and recharge of groundwater stock number.
Description
Technical field
A kind of sunk type lawn watering structure is the utility model is related to, it is particularly a kind of to be used for storm water man- agement, sponge city
Sunk type lawn watering structure Deng rainwater control using field.
Background technology
In China, the fast development of Process of Urbanization Construction, city Permeable stratum area expands, and causes the process of urban development to be broken
The balance of water circulation system.Many Urban Flood Waterloggings take place frequently constantly to be deepened with the contradiction of shortage of water resources, and urban waterlogging is prevented
Control and rainwater management is using the hot issue undoubtedly faced as current city, rely on large-scale basis facility and pipe network is built
If traditional rainwater discharge thinking can not meet the requirement of modern city storm water management, domestic and international many cities start to put into practice
The theory of new storm water man- agement, rain flood is stored to ooze engineering technology designed in conjunction with urban green space landscape, build with accumulation naturally,
Naturally osmotic, " the sponge city " that self-purification is target.Merge " sponge city " and domestic and international newest storm water man- agement theory
Build sunk type lawn watering technology, realize preventing and treating waterlogging, lifting urban green space convergence rainwater, flood storage water drainage, recharge of groundwater,
The functions such as purifying ecological.It can be seen that in new Urbanization Construction.Sunk type lawn watering is regulated and stored to the hydrology for lifting urban green space
Function is significant.
The content of the invention
The purpose of this utility model is to consider above mentioned problem and provide a kind of sunk type lawn watering structure.This practicality is new
Type can not only cut down run-off, mitigate Urban Flood Waterlogging, and under the rainwater that oozes can increase soil water content to subtract
Few green land irrigation water consumption and recharge of groundwater stock number.
Sunk type lawn watering structure of the present utility model, include and resistance to flood vegetation, planting soil layer, screed-coat, basic unit, rain
The top surface of water overfall, wherein basic unit sets screed-coat, and the top surface of screed-coat sets planting soil layer, plants and plant in planting soil layer
Quilt, stormwater overflow mouth is additionally provided with planting soil layer, and the vegetation of planting soil layer and its plantation is less than road surface.
Sunk type lawn watering structure of the present utility model is located at using stormwater overflow mouth in greenery patches or greenery patches and hardening ground
Face intersection, stormwater overflow mouth elevation is higher than greenery patches elevation and is less than hardened ground elevation.The utility model is as a kind of rainwater
Storage oozes facility, can not only cut down run-off, mitigate Urban Flood Waterlogging, and under the rainwater that oozes can increase soil moisture and contain
Measure to reduce green land irrigation water consumption and recharge of groundwater stock number.Meanwhile nitrogen, the pollutant such as phosphorus that runoff carries can change
For the nutriment needed for vegetation, promote the growth of plant, average reduction rate scope of the sunk type greenery patches to COD, NH-N and TP
Respectively 52.2%~41.3%, 49.0%~44.1% and 47.4%~39.0%, weakening dynamics is very big, reduces water body
Pollution.
Brief description of the drawings
Fig. 1 is that the utility model is used for sunk type lawn watering schematic device.
Embodiment
Fig. 1 is structural representation of the present utility model, sunk type lawn watering structure of the present utility model, includes resistance to flood
The top surface of vegetation 1, planting soil layer 2, screed-coat 3, basic unit 4, stormwater overflow mouth 5, wherein basic unit 4 sets screed-coat 3, screed-coat 3
Top surface planting soil layer 2 is set, vegetation 1 is planted in planting soil layer 2, stormwater overflow mouth 5 is additionally provided with planting soil layer 2, and plant
The vegetation 1 of soil layer 2 and its plantation is less than road surface 6.
In the present embodiment, above-mentioned vegetation 1 is resistance to flood vegetation.Above-mentioned road surface 6 is above greenery patches and the road surface with slope aspect.
Above-mentioned road surface 6 is 30mm~50mm higher than stormwater overflow mouth 5.Above-mentioned stormwater overflow mouth 5 is higher than the top surface of planting soil layer 2
For 30mm~50mm.In the present embodiment, above-mentioned road surface 6 is 40mm higher than stormwater overflow mouth 5.Above-mentioned stormwater overflow mouth 5 is higher than kind
It is 40mm to plant the top surface of soil layer 2.
In the present embodiment, the screed-coat 3 be original structure face because exist be uneven or the gradient carry out levelling laying.Base
Layer 4 is sunk type greenery patches orlop, bears the loads such as vegetation, planting soil.Stormwater overflow mouth 5 is placed in greenery patches, when the rain of place
Water by higher than greenery patches and with slope aspect road surface 6, when being pooled in greenery patches.The stormwater overflow mouth 5 is in greenery patches water storage saturation
Afterwards, avoid vegetation 1 from being invaded bubble for a long time, and rainwater is discharged by stormwater overflow mouth 5, it is dirty in rainwater by the rainwater of overflow discharge
Dye thing is largely reduced, and protects the water quality for being discharged into rainwater.
Its structure of the utility model sunk type greenery patches is that greenery patches elevation is less than surrounding hardened ground elevation.Stormwater overflow mouth is set
In greenery patches or greenery patches and hardened ground intersection, stormwater overflow mouth elevation are higher than greenery patches elevation and are less than hardened ground elevation.
As a kind of rainfall infiltration facility, sunk type greenery patches can not only play cuts down run-off, mitigates the utility model
The effect of Urban Flood Waterlogging, and under the rainwater that oozes can play increase soil water content to reduce green land irrigation water
Amount, and the effect of recharge of groundwater stock number.Meanwhile nitrogen, the pollutant such as phosphorus that runoff carries can be changed into needed for vegetation
Nutriment, promote the growth of plant, sunk type greenery patches is respectively to COD, NH-N and TP average reduction rate scope
52.2%~41.3%, 49.0%~44.1% and 47.4%~39.0%, weakening dynamics is very big, reduces water pollution.
Sunk type greenery patches should pave ground or road less than surrounding, and submergence depth is preferably 50~100mm, and be not more than 200mm.
Exist simultaneously in rainfall, in sunk type greenery patches conflux, under ooze, accumulation, evaporation and flooding process.Ignore calculating
Evaporation capacity in period, the rainwater into sunk type greenery patches are then present：Under sunk type greenery patches aggregation water=sunk type greenery patches rainwater
Milliosmolarity（m3）The reservoir storage in+sunk type greenery patches（m3）+ sunk type greenery patches stormwater overflow amount（m3）.
When concrete engineering is implemented, it should try one's best and avoid causing plant Submergence time long.Cause plant Submergence time long
Mainly have intention two aspect factors.First：Soil infiltration rate is relatively low, causes plant Submergence time long, mainly constructed
The infiltration rate of soil can be influenceed to the excessive compacting of soil, region soil property difference in journey；Second：Greenery patches submergence depth with
And the design of rainwater open height is unreasonable, the highly larger extension plant Submergence time of water storage.More than meeting in the case of 2 points, sink
The vegetation selection in formula greenery patches is resistance to flood vegetation, in case rainwater damages to greenery patches under extreme case.
Sunk type greenery patches is a kind of distributing, the green infrastructure (ecological infrastructure) of miniaturization.Port area can be combined
Greenery patches carry out comprehensive Design, under conditions of land area, a small amount of construction cost is not increased, can realize greenery patches multifunction,
The plurality of target such as on-site elimination rainfall runoff, reduction arrange amount of rainfall outside, Rainwater Resources are utilized, improved the ecological environment.Science
The hydrology calculates, rational site planning and Vertical Design, is to ensure that sunk type greenery patches really plays the important of hydrology Regulation Function
Behave.
Plantation greening soil is less than peripheral path top surface 80mm, and stormwater overflow mouth is less than peripheral path top surface 40mm, and is higher than
Native 40mm is afforested in plantation.
During rainfall is incipient, rainwater is flowed in greenery patches, by under greenery patches by the road with certain slope aspect
Ooze and rainwater is supplemented underground water so as to reach, this is for alleviating groundwater resources shortage and preventing sea front seawater invasion
Important in inhibiting；With being continuously increased for rainfall duration, rainwater infiltration amount is less than the charge for remittance amount of rainwater, greenery patches slowly ponding,
When greenery patches, water highly reaches 40mm, rainwater is discharged by overfall, is avoided greenery patches and is flooded for a long time, passes through stormwater overflow
Mouthful rainwater, collected and discharged by outdoor rain pipeline, due to precipitation of the rainwater by greenery patches and filtering, now outdoor rain pipeline
The rainwater of discharge, pollutant load is relatively low, and the rainwater of discharge is less on the influence of environment river；After rainfall terminates, sunk type is green
The pollutant such as 40mm water, the nitrogen carried in this part rainwater containing runoff, phosphorus in ground still be present can be changed into vegetation
Required nutriment, reduce influence of the rainwater to body eutrophication.
In the present embodiment, the vegetation 1 be it is resistance to flood vegetation, except with ability of inundation, should also consider vegetation plantation,
Sterilizing function is made it have, CL2 functions is absorbed, absorbs HF functions, absorbs SO2 functions and the function that lays the dust.
Vegetation type with specific ecological functions
In the present embodiment, the planting soil layer 2, when vegetation restoration speed is relatively low, sunk type greenery patches is cut to runoff
Decreasing effect fruit is poor, can improve control effect by the permeance property of the method increase soil of soil improvement；Or under using
Heavy formula greenery patches and Rain Garden, rainpool, storm detention tank, landscape water body, the multi-functional facility such as regulate and store are combined the method designed,
The control targe that the overall annual flow in place is cut down is realized jointly.
Operation principle of the present utility model is：After place rainwater is discharged into sunk type greenery patches by the road surface 6 with slope aspect, rain
After water enters greenery patches, first pass through down and ooze exclusion, then by greenery patches water storage, unnecessary rain is finally excluded by stormwater overflow mouth 5
Water, rainwater are discharged into municipal storm sewer after stormwater overflow mouth, by place storm sewer or allow the water body for discharging rainwater
In.
Claims (7)
1. a kind of sunk type lawn watering structure, it is characterised in that include and resistance to flood vegetation, planting soil layer, screed-coat, basic unit, rain
The top surface of water overfall, wherein basic unit sets screed-coat, and the top surface of screed-coat sets planting soil layer, plants and plant in planting soil layer
Quilt, stormwater overflow mouth is additionally provided with planting soil layer, and the vegetation of planting soil layer and its plantation is less than road surface.
2. sunk type lawn watering structure according to claim 1, it is characterised in that above-mentioned vegetation is resistance to flood vegetation.
3. sunk type lawn watering structure according to claim 1, it is characterised in that above-mentioned road surface is above greenery patches and band
There is the road surface of slope aspect.
4. sunk type lawn watering structure according to claim 1, it is characterised in that above-mentioned road surface 6 is higher than stormwater overflow mouth
For 30mm~50mm.
5. sunk type lawn watering structure according to claim 4, it is characterised in that above-mentioned road surface 6 is higher than stormwater overflow mouth
For 40mm.
6. the sunk type lawn watering structure according to any one of claim 1 to 5, it is characterised in that above-mentioned stormwater overflow mouth
It is 30mm~50mm higher than planting soil layer top surface.
7. sunk type lawn watering structure according to claim 6, it is characterised in that above-mentioned stormwater overflow mouth is higher than plantation
Soil layer top surface is 40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123316.5U CN207176866U (en) | 2017-09-04 | 2017-09-04 | A kind of sunk type lawn watering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123316.5U CN207176866U (en) | 2017-09-04 | 2017-09-04 | A kind of sunk type lawn watering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207176866U true CN207176866U (en) | 2018-04-03 |
Family
ID=61742310
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721123316.5U Expired - Fee Related CN207176866U (en) | 2017-09-04 | 2017-09-04 | A kind of sunk type lawn watering structure |
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| Country | Link |
|---|---|
| CN (1) | CN207176866U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152584A (en) * | 2021-02-23 | 2021-07-23 | 李胜华 | Rainwater circulation regulation and control system |
-
2017
- 2017-09-04 CN CN201721123316.5U patent/CN207176866U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113152584A (en) * | 2021-02-23 | 2021-07-23 | 李胜华 | Rainwater circulation regulation and control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |