CN208113600U - Grass planting ditch structure with water holding function - Google Patents
Grass planting ditch structure with water holding function Download PDFInfo
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- CN208113600U CN208113600U CN201820581470.5U CN201820581470U CN208113600U CN 208113600 U CN208113600 U CN 208113600U CN 201820581470 U CN201820581470 U CN 201820581470U CN 208113600 U CN208113600 U CN 208113600U
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- water holding
- grass planting
- planting ditch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The grass planting ditch structure with water holding function that the utility model relates to a kind of, the biology for belonging to municipal drainage are detained facility structure field.The utility model includes plant species growing area, it further include the impervious concrete layer of trench structure, two pieces pervious concrete layer is provided in the groove body of impervious concrete layer, trench structure is cooperatively formed with the bottom plate of impervious concrete layer on the inside of pervious concrete layer using as plant species growing area, space on the outside of pervious concrete layer between impervious concrete layer is as water holding space, the bottom of plant species growing area is embedded with the row's soakaway trench with drainage hole, and row's soakaway trench end is provided with sealing valve.Water holding space forms interim groundwater reservoir, utilize the capillary siphonage of soil, grow and need for hygrophyte, can effectively avoid traditional grass planting ditch underlayer infiltration coefficient is high, water quickly it is lower seep caused by plant growth not good situation caused by soil water deficit generation.
Description
Technical field
The grass planting ditch structure with water holding function that the utility model relates to a kind of, the biology for belonging to municipal drainage are detained facility
Construction applications.
Background technique
The increase on urban hard road surface causes the problem of urban waterlogging and pollution of area source outstanding day by day.In sponge urban construction
In the process, the interception of pollutant is absorbed using plant and the percolation of soil, grass planting ditch is developed and can be held in low influence
Can be applicable to source, contaminant transmission approach and treatment in situ system in continuous drainage system measure, application region include residential block,
Shopping centre and industrial area.But traditional grass planting ditch is in order to guarantee the purification of initial rainwater and arranging fastly fastly seeping for water body, underlayer
Using fine sand and gravel filling with larger void ratio.The filler will cause the difficulty that grass planting ditch stores water body instead,
So as to cause above covering hygrophyte due to water shortage and upgrowth situation is not good enough.
Utility model content
Technical problem to be solved in the utility model is：A kind of grass planting ditch structure with water holding function is provided, it can
After raining, remaining portions water is in water holding space, and avoiding traditional grass planting ditch underlayer infiltration coefficient height, water, quickly lower seep is made
At soil water deficit caused by plant growth not good situation generation.
Technical solution used by the utility model is to solve above-mentioned technical problem：Grass planting ditch knot with water holding function
Structure, including plant species growing area further include the impervious concrete layer of trench structure, are provided with two pieces in the groove body of impervious concrete layer
Pervious concrete layer cooperatively forms with the bottom plate of impervious concrete layer trench structure on the inside of pervious concrete layer using as plant species
Growing area, for the space between pervious concrete layer outside and impervious concrete layer as water holding space, the bottom of plant species growing area is pre-
Row's soakaway trench are embedded with, row's soakaway trench arrange along grass planting ditch length direction and have row along grass planting ditch length direction arranged for interval
Water hole, row's soakaway trench end are provided with sealing valve, and row's soakaway trench end is for being connected to natural water or storm sewer.
It is further：The trench structure cooperatively formed on the inside of pervious concrete layer with the bottom plate of impervious concrete layer is to fall
The trapezoid groove structure of taper.
It is further：Plant species growing area successively includes vegetable layer, coating, planting soil in its section direction from top to bottom
Layer, layer of sand and gravel layer, row's soakaway trench are arranged in gravel layer.
It is further：Coating uses rubble, has gap between rubble, and overburden cover is 3cm~5cm.
It is further：Planting soil layer is with a thickness of 10cm~20cm.
It is further：Layer of sand with a thickness of 10cm~20cm.
It is further：Gravel layer with a thickness of 20cm~30cm.
It is further：Vegetable layer, coating, planting soil layer, layer of sand, gravel layer, pervious concrete layer adjacent two layers it
Between permeable geotextiles are set.
The workflow of the utility model is：After rainfall starts, sealing valve is opened, near rainwater catchment to grass planting ditch,
Vegetable layer, coating, planting soil layer, layer of sand, gravel layer, pervious concrete layer are passed sequentially through from top to bottom enters water holding space.
It is filled with after the rainwater of purification in water holding space, extra rainfall is discharged into natural water or rainwater by the row's soakaway trench with drainage hole
Pipeline.After rainfall, sealing valve is closed, and rainwater is saved in water holding space, forms interim groundwater reservoir, utilize the hair of soil
Thin siphonage grows for hygrophyte and needs.
The utility model has the beneficial effects that：It is empty that water holding is formed on the outside of pervious concrete layer between impervious concrete layer
Between, impervious concrete layer can effectively ensure that the Water-saving effect in water holding space, and water holding space forms interim groundwater reservoir, utilizes soil
The capillary siphonage of earth grows for hygrophyte and needs, and can effectively avoid traditional grass planting ditch underlayer infiltration coefficient height, water
The quickly generation of plant growth not good situation caused by soil water deficit caused by lower infiltration.
Detailed description of the invention
Fig. 1 is the cross-sectional structural schematic diagram of the utility model；
Fig. 2 is the schematic top plan view of the utility model；
It is marked in figure：1- vegetable layer, 2- coating, 3- planting soil layer, 4- layer of sand, 5- gravel layer, 6- row's soakaway trench, 7- are saturating
Water coagulation soil layer, 8- impervious concrete layer, 9- water holding space, 10- sealing valve.
Specific embodiment
For ease of understanding with implementation the utility model, the preferred embodiment combination attached drawing work of anthology utility model is furtherly
It is bright.
As depicted in figs. 1 and 2, the utility model includes plant species growing area, further includes the impervious concrete layer of trench structure
8, two pieces pervious concrete layer 7,7 inside of pervious concrete layer and impervious concrete are provided in the groove body of impervious concrete layer 8
The bottom plate of layer 8 cooperatively forms trench structure using as plant species growing area, pervious concrete layer 7 outside and impervious concrete layer 8 it
Between space as water holding space 9, the bottom of plant species growing area is embedded with row's soakaway trench 6, and row's soakaway trench 6 are along grass planting ditch length
Direction is arranged and has drainage hole along grass planting ditch length direction arranged for interval, and 6 end of row's soakaway trench is provided with sealing valve 10,
6 end of row's soakaway trench is for being connected to natural water or storm sewer.
For convenient in rainwater accumulation to water holding space, 7 inside of pervious concrete layer and the bottom plate of impervious concrete layer 8 cooperate
The trench structure of formation is the trapezoid groove structure of back taper.
Plant species growing area successively includes vegetable layer 1, coating 2, planting soil layer 3, layer of sand 4 in its section direction from top to bottom
With gravel layer 5, row's soakaway trench 6 are arranged in gravel layer 5.
Coating 2 uses rubble of the partial size within the scope of 0.5cm~1.0cm, has gap between rubble, and coating 2 is thick
Degree is 3cm~5cm.Gap flowing through for water between rubble, rubble is at low cost, and intensity is high, and using effect is good.Using the reality
The effect for applying the coating 2 of mode is, first is that prevent the material moisture content in planting soil layer 3 from quickly, excessively evaporating and hardened cracking,
Second is that preventing the trophism material in planting soil layer 3 to be lost by rain drop erosion, third is that playing fixed function to green plants.
Planting soil layer 3 is with a thickness of 10cm~20cm, coefficient of permeability K >=0.2m/d of soil.Planting soil layer 3 can be according to working as
The type of selected plant adjusts proportion in ground weather conditions and the vegetable layer.Original soil, sand, thin sawdust group generally can be used
At volume ratio 6:3:1.
Layer of sand 4 chooses 70~90 parts of the fine sand that partial size is 0.1cm~0.5cm according to parts by weight, partial size is 1cm~2cm
30~50 parts of quartz sand mix, layer of sand 4 with a thickness of 10cm~20cm.
Gravel layer 5 using partial size 3cm~5cm gravel, gravel layer 5 with a thickness of 20cm~30cm.Between in gravel layer 5
Gap is flowed through for water, and gravel is at low cost, and intensity is high, and using effect is good.It can be 100cm~150mm in the embedding caliber in its bottom
The row's soakaway trench 6 with drainage hole, gravel should clean, and grain size of gravel is not less than the open pore size of drainage hole.
Vegetable layer 1, planting soil layer 3, layer of sand 4, gravel layer 5, is arranged between 7 adjacent two layers of pervious concrete layer coating 2
Permeable geotextiles are resulted in blockage with preventing fine grain particle from entering compared with coarse grain diameter layer.
The metaling partial size that pervious concrete layer 7 uses is within the scope of 3mm~8mm；Pervious concrete layer 7, which possesses, to be not less than
15% hole, compression strength >=20.0Mpa, coefficient of permeability >=0.5mm/s.The material that pervious concrete layer 7 preferably uses is matched
Than as follows：Cementitious material：350kg~400kg, inorganic strengthening agent：10kg~15kg, metaling：1160kg~1700kg；It is permeable
The ratio of mud that concrete layer 7 uses is 025~0.32.Cementitious material generally uses cement, and inorganic strengthening agent can be total by mixture
The 0.5% of amount is calculated.
In addition, vegetable layer 1 may be selected, well developed root system, detergent power be good, the resistance to plant flooded and landscape is good；Impervious concrete
Layer 8 can be used common building concrete, intensity C20 or more, and in covering one layer of impervious barrier on the inner wall of inside.
Preferred embodiment：
The overall dimensions size of the utility model is：Length × wide=15m × 1.5m.
The utility model includes plant species growing area, further includes the impervious concrete layer 8 of trench structure, impervious concrete layer 8
Groove body in be provided with the pervious concrete layer 7 that two pieces is arranged symmetrically, 7 inside of pervious concrete layer and impervious concrete layer 8
Bottom plate cooperatively form the trapezoid groove structure of back taper using as plant species growing area, 7 outside of pervious concrete layer and antiseepage coagulation
As water holding space 9, plant species growing area includes successively from top to bottom vegetable layer 1, covers in its section direction in space between soil layer 8
Cap rock 2, planting soil layer 3, layer of sand 4 and gravel layer 5, row's soakaway trench 6 are arranged in gravel layer 5；Row's soakaway trench 6 are long along grass planting ditch
Degree is arranged and has drainage hole along grass planting ditch length direction arranged for interval by direction, and 6 end of row's soakaway trench is provided with sealing valve
10,6 end of row's soakaway trench is for being connected to natural water or storm sewer.
Wherein, vegetable layer 1 is using the stronger hygrophyte of local suitability, such as flower calamus (Iris ensata
Var.hortensis Makino et Nemoto), vetiver (Vetiveriazizanioides L.), Monochoria korsakowii
(Monochoria korsakowii Regel&Maack) and typha minima (Typha minima), vegetation average height wei
100mm~200mm, plant spacing are 15cm, pass through conventional maintenance management in 10~15 days by a definite date, it is ensured that plantation survives.
Coating 2 with a thickness of 3cm, using granite, vermiculite, zeolite arbitrary proportion mixture, complete vegetation plantation
Afterwards, it uniformly takes a walk to be subject in planting soil layer 3 and does not influence plant root growth.
Planting soil layer 3 is formed, volume ratio 6 with a thickness of 20cm using original soil, sand, thin sawdust:3:1.It not tamp, soil
Coefficient of permeability K >=0.2 (m/d) of earth, and bottom soil is periodically loosened, function smoothly after holding.
With a thickness of 10cm, choose 500 parts of fine sand, partial size that partial size is 0.1cm~0.5cm according to parts by weight is layer of sand 4
50 parts of quartz sand of 1cm~2cm mix.
Gravel layer 5 is with a thickness of 30cm, and using partial size 3cm~5cm gravel as filler, gap is flowed through for water.
6 caliber of row's soakaway trench is 150mm, and gravel should be cleaned, and grain size of gravel is not less than the aperture of 6 drainage hole of row's soakaway trench
Aperture.
Pervious concrete layer 7 is with a thickness of 3cm, using aggregate size within the scope of 5mm~8mm；Pervious concrete layer 7 possesses
Hole not less than 18%, compression strength >=20.0Mpa, coefficient of permeability >=0.5mm/s.What pervious concrete layer 7 preferably used
Material proportion is as follows：Cement：350kg~400kg, inorganic strengthening agent：10kg~15kg, metaling：1160kg~1700kg；Thoroughly
The ratio of mud that water coagulation soil layer 7 uses is 0.25~0.32.
Impervious concrete layer 8 is with a thickness of 3cm, using common building concrete, intensity C20 or more, and in inside inner wall
One layer of impervious barrier of upper covering, it is easy to operate, it can effectively ensure that the Water-saving effect in water holding space 9.
Vegetable layer 1, planting soil layer 3, layer of sand 4, gravel layer 5, is arranged between 7 adjacent two layers of pervious concrete layer coating 2
Terylene short fiber needle-punched geotextiles, specification 200g/m2, to prevent fine grain particle from entering compared with coarse grain diameter layer, result in blockage.
Sealing valve 10 uses automatic stop valve, after rainfall starts, opens sealing valve 10, is convenient for excess rainwater from bottom
Row's soakaway trench 6 in be discharged.After rainfall, sealing valve 10 is closed, stores rainwater in water holding space 9.
The workflow of the utility model is：After rainfall starts, sealing valve 10 is opened, rainwater catchment is attached to grass planting ditch
Closely, vegetable layer 1, coating 2, planting soil layer 3, layer of sand 4, gravel layer 5, pervious concrete layer 7 is passed sequentially through from top to bottom to enter
Water holding space 9.It is filled with after the rainwater of purification in water holding space 9, extra rainfall is discharged into certainly by the row's soakaway trench 6 with drainage hole
Right water body or storm sewer.After rainfall, sealing valve 10 is closed, and rainwater is saved in water holding space 9, forms interim underground water
Library grows for hygrophyte and needs using the capillary siphonage of soil.
Claims (8)
1. the grass planting ditch structure with water holding function, including plant species growing area, it is characterised in that：It further include the antiseepage of trench structure
Concrete layer (8) is provided with two pieces pervious concrete layer (7) in the groove body of impervious concrete layer (8), pervious concrete layer (7)
The bottom plate of inside and impervious concrete layer (8) cooperatively forms trench structure so that as plant species growing area, pervious concrete layer (7) is outside
As water holding space (9), the bottom of plant species growing area is embedded with row's soakaway trench in space between side and impervious concrete layer (8)
(6), row's soakaway trench (6) arrange along grass planting ditch length direction and have drainage hole along grass planting ditch length direction arranged for interval, seep
Drainpipe (6) end is provided with sealing valve (10), and row's soakaway trench (6) end is for being connected to natural water or storm sewer.
2. as described in claim 1 with the grass planting ditch structure of water holding function, it is characterised in that：In pervious concrete layer (7)
The trench structure that the bottom plate of side and impervious concrete layer (8) cooperatively forms is the trapezoid groove structure of back taper.
3. as described in claim 1 with the grass planting ditch structure of water holding function, it is characterised in that：Plant species growing area is in its section
Direction successively includes vegetable layer (1), coating (2), planting soil layer (3), layer of sand (4) and gravel layer (5) from top to bottom, seeps draining
(6) are managed to be arranged in gravel layer (5).
4. as claimed in claim 3 with the grass planting ditch structure of water holding function, it is characterised in that：Coating (2) uses rubble,
There is gap, coating (2) is with a thickness of 3cm~5cm between rubble.
5. as claimed in claim 3 with the grass planting ditch structure of water holding function, it is characterised in that：Planting soil layer (3) with a thickness of
10cm~20cm.
6. as claimed in claim 3 with the grass planting ditch structure of water holding function, it is characterised in that：Layer of sand (4) with a thickness of
10cm~20cm.
7. as claimed in claim 3 with the grass planting ditch structure of water holding function, it is characterised in that：Gravel layer (5) with a thickness of
20cm~30cm.
8. the grass planting ditch structure with water holding function as described in any one of claim 3 to 7, it is characterised in that：Vegetation
Layer (1), planting soil layer (3), layer of sand (4), gravel layer (5), is arranged between pervious concrete layer (7) adjacent two layers coating (2)
Permeable geotextiles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581470.5U CN208113600U (en) | 2018-04-23 | 2018-04-23 | Grass planting ditch structure with water holding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581470.5U CN208113600U (en) | 2018-04-23 | 2018-04-23 | Grass planting ditch structure with water holding function |
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| Publication Number | Publication Date |
|---|---|
| CN208113600U true CN208113600U (en) | 2018-11-20 |
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ID=64187411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820581470.5U Active CN208113600U (en) | 2018-04-23 | 2018-04-23 | Grass planting ditch structure with water holding function |
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| Country | Link |
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| CN (1) | CN208113600U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108371058A (en) * | 2018-04-23 | 2018-08-07 | 中国电建集团成都勘测设计研究院有限公司 | Grass planting ditch structure with water holding function |
| CN110424494A (en) * | 2019-07-05 | 2019-11-08 | 中山市海枣椰风景园林工程有限公司 | A kind of sponge Greening Urban Road isolation strip green space system |
| CN114667865A (en) * | 2022-04-24 | 2022-06-28 | 宁波市石沐生态建设有限公司 | Rainwater garden convenient to water among municipal works |
-
2018
- 2018-04-23 CN CN201820581470.5U patent/CN208113600U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108371058A (en) * | 2018-04-23 | 2018-08-07 | 中国电建集团成都勘测设计研究院有限公司 | Grass planting ditch structure with water holding function |
| CN108371058B (en) * | 2018-04-23 | 2023-08-22 | 中国电建集团成都勘测设计研究院有限公司 | Grass planting ditch structure with water holding function |
| CN110424494A (en) * | 2019-07-05 | 2019-11-08 | 中山市海枣椰风景园林工程有限公司 | A kind of sponge Greening Urban Road isolation strip green space system |
| CN114667865A (en) * | 2022-04-24 | 2022-06-28 | 宁波市石沐生态建设有限公司 | Rainwater garden convenient to water among municipal works |
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