CN107882149A - Sponge urban road storm-collector system constituting method - Google Patents
Sponge urban road storm-collector system constituting method Download PDFInfo
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- CN107882149A CN107882149A CN201711339777.0A CN201711339777A CN107882149A CN 107882149 A CN107882149 A CN 107882149A CN 201711339777 A CN201711339777 A CN 201711339777A CN 107882149 A CN107882149 A CN 107882149A
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- rainwater
- ditches
- rubble
- irrigation canals
- road
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- 238000000746 purification Methods 0.000 claims abstract description 87
- 238000003973 irrigation Methods 0.000 claims abstract description 51
- 230000002262 irrigation Effects 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 14
- 231100000719 pollutant Toxicity 0.000 claims abstract description 14
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 238000001764 infiltration Methods 0.000 claims abstract description 7
- 244000005700 microbiome Species 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims description 45
- 239000000945 filler Substances 0.000 claims description 26
- 239000004746 geotextile Substances 0.000 claims description 24
- 239000010457 zeolite Substances 0.000 claims description 14
- 239000010455 vermiculite Substances 0.000 claims description 12
- 229910052902 vermiculite Inorganic materials 0.000 claims description 12
- 235000019354 vermiculite Nutrition 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 238000010276 construction Methods 0.000 description 11
- 241000196324 Embryophyta Species 0.000 description 9
- 239000004575 stone Substances 0.000 description 8
- 239000002352 surface water Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 239000010977 jade Substances 0.000 description 3
- 230000001143 conditioned Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003628 erosive Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- 240000000218 Cannabis sativa Species 0.000 description 1
- 210000004681 Ovum Anatomy 0.000 description 1
- 101700004242 STOM Proteins 0.000 description 1
- -1 cobblestone Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000813 microbial Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001717 pathogenic Effects 0.000 description 1
- 244000052769 pathogens Species 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- 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
-
- 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
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
A kind of sponge urban road storm-collector system constituting method, the mode that the landscape green space for hardening both sides of the road and escape canal are designed to have purification function structure, the rubble shallow ridges overlapped naturally with it is set in hardening both sides of the road, by with rubble shallow ridges close to Green Space Design into gentle gradient Vegetative Filter Strips, rainwater purification irrigation canals and ditches are set close to Vegetative Filter Strips, and rainwater purification irrigation canals and ditches are designed with rainwater purification apparatus；Rainfall runoff imports rubble shallow ridges from road surface, rubble shallow ridges intercept filtering and reduce rainwater on road surface runoff washing away follow-up to the particulate pollutant in rainfall runoff, rainwater cross flow afterwards enters Vegetative Filter Strips, Vegetative Filter Strips carry out the filtering and absorption of vegetation to rainwater, the absorption and infiltration of soil, the degraded of microorganism, rainwater flows into rainwater purification irrigation canals and ditches afterwards, and the rainwater purification apparatus in rainwater purification irrigation canals and ditches is carried out after purification removes again to the pollutant in rainwater by rainwater qualified discharge.
Description
Technical field
The present invention relates to a kind of construction method of storm-collector system, specifically a kind of sponge urban road rain rill canal system
System construction method, belongs to sponge urban construction technical field.
Background technology
In recent years, every time as the arrival in rainy season, many cities in the whole nation waterlogging can all occur, be brought to civil plantation all
It is more inconvenient, or even the loss of lives and properties can be caused.It is proposed that this brand-new urban construction of sponge city designs reason for this country
Read.Sponge city requirement city have to rainwater ooze, be stagnant, store, be net, use, the function of row.
Currently, ratio of the hardening road in city incity in whole city impermeable surface is about 30%, and there is rainwater punching
Road surface is brushed, causes road rain water runoff to carry the polluters such as a large amount of suspension, organic matter, nutrients, heavy metal and pathogen
Into urban surface water body, road rain water runoff is caused to turn into the main source of urban surface water body non-point pollution.It is and current
China's urban road storm-water system major way is " gutter-inlet for stom water-municipal pipeline " or " chute-bright ditch/open channel ",
Most of road rain water runoff is unprocessed, is directly discharged into urban surface water body via city planting ductwork, urban surface water body is made
Into great pollution, Urban Water Environment is destroyed.City hardening both sides of the road, which are typically set, only has the green of single landscape function
Change band, under existing simple, quick road rain water runoff discharge mode, and delay to both sides greenbelt, net is not implemented
Change making full use of for function, mostly simple makes scape greening.
Hardening path rainwater stream is seriously polluted and pollutant component is complicated, and single sponge urban construction technical measures are difficult
To realize effective control to it, therefore a variety of sponge urban construction technical measures of reasonable disposition are needed, realizing that road landscape sets
While meter, effective purification and control to runoff pollution can be realized on source, built environment friendly, resource-conserving
Urban road environment.Therefore, effectively the rainwater on road surface runoff of road will play in sponge urban construction is hardened in control, purification
Important function.
Such as application number CN201610237192.7, entitled " band is detained in the biological cleaning for being used for sponge urban municipal road
And its construction method " application for a patent for invention disclose a kind of biological cleaning for sponge urban municipal road be detained band and its
Construction method.The waterproof that band includes being successively set on from bottom to up in sponge urban municipal road dividing strip is detained in the biological cleaning
Geotextiles, rubble water purification layer, permeable geotextiles, conditioned soil water purification layer, erosion control brush layer, be arranged on dividing strip center overflow well,
The collector pipe being disposed longitudinally on along sponge urban municipal road in the rubble water purification layer, the horizontal stroke connected with the overflow bottom
To connecting tube, overflow well runs through waterproof geotextiles, rubble water purification layer, permeable geotextiles, conditioned soil water purification layer and erosion control brush layer, and
Connected with collector pipe, the transverse connecting pipe is laterally set along sponge urban municipal road.Band is detained in the biological cleaning of the present invention
With draining, infiltration, backwater, water storage, water purification function, available for town road and the arterial highway of surrounding city, make municipal administration
Road becomes sponge urban municipal road, promotes the development in sponge city.
And for example application number CN201610605947.4, it is entitled " sponge urban road system and rainwater-collecting and to utilize
The application for a patent for invention of method " discloses a kind of sponge urban road system, including sunk type greenbelt, punching station stone, sand setting
Pond, overflow well, water tank, photovoltaic module, suction pump, sunk type greenbelt are placed between car lane and bicycle lane, are in
Spill；Punching station stone is located at by car lane, with car lane station stone point-blank；Setting pot is located at punching station stone with
Between heavy formula greenbelt；Overflow well is located at the lowest part of sunk type greenbelt；Managed by overflow pipe and municipal administration on the top of overflow well
The drainpipe connection of net；Water tank is located at by overflow well, is separated by filtering wall；Photovoltaic module passes through wire and power supply mould
Block is connected, and energy supply control module is connected with suction pump, and the water in water tank is extracted out and delivers to sparge pipe by suction pump.The present invention also carries
For a kind of method for carrying out rainwater-collecting using sponge urban road system and utilizing.The present invention can not only be to the rainwater on road
Absorbed, stored, and the water of storage can be utilized.
Although above-mentioned document is directed to the purification of urban road rainwater, but construction volume is larger, and cost is higher, therefore still
Need to improve.
The content of the invention
The present invention proposes a kind of sponge urban road rain rill for problem present in Current City Road rainwater purification
Canal system constituting method, to handle urban road rainwater, the partial contamination thing in rainwater is removed, is improved from urban road
Flow into the water quality of the rainwater of urban surface water body.
The present invention is that technological means is used by solving the above problems：A kind of sponge urban road storm-collector system structure
Construction method, the mode that the landscape green space for hardening both sides of the road and escape canal are designed to have purification function structure, is being hardened
Both sides of the road set the rubble shallow ridges overlapped naturally with it, by with rubble shallow ridges close to Green Space Design into gentle gradient vegetation
Filter bag, rainwater purification irrigation canals and ditches are set close to Vegetative Filter Strips, and rainwater purification irrigation canals and ditches are designed with rainwater purification apparatus；Rainwater footpath
Stream imports rubble shallow ridges from road surface, and rubble shallow ridges carries out intercepting filtering and reduces road surface rain to the particulate pollutant in rainfall runoff
Water runoff washes away to follow-up, and rainwater cross flow afterwards enters Vegetative Filter Strips, and Vegetative Filter Strips carry out vegetation to rainwater
Filtering and absorption, the absorption and infiltration of soil, the degraded of microorganism, the rainwater purification irrigation canals and ditches of rainwater inflow afterwards, rainwater purification ditch
Rainwater purification apparatus in canal is carried out after purification removes again to the pollutant in rainwater by rainwater qualified discharge.
Further, rainwater purification apparatus is designed to the structure for including suspension member, permeable geotextiles and filler, and suspension member is positioned at most
Bottom, and space is left between rainwater purification trench bottom, the bottom of suspension member is provided with perforation, and permeable geotextile laying is in suspension member
On, filler is filled in the top of permeable geotextiles.
Further, suspension member is designed to that both sides are overlapped on the mode on irrigation canals and ditches both sides, lap of splice 50-80mm, suspension member bottom
End is 290-310mm, preferably 300mm apart from the depth of rainwater purification trench bottom.
Further, the punch inside diameter of suspension member bottom is 20-40mm, and perforation spacing is 40-60mm.
Further, permeable geotextiles both sides overlap and are embedded to wherein with Vegetative Filter Strips, and embedment width is 50-70mm.
Further, the filler in suspension member is followed successively by zeolite, vermiculite and cobblestone from the bottom up.
Further, the thickness of filler is followed successively by zeolite 80mm, vermiculite 100mm, cobblestone 120mm in suspension member.
Further, the particle diameter of filler is followed successively by zeolite 5-15mm, vermiculite 10-30mm, cobblestone 30-60mm in suspension member.
Further, the elevation design of rubble shallow ridges is the mode less than the urban road surfaces to connect therewith, in favor of
Cross flow enters Vegetative Filter Strips after the rainwater on road surface flows into rubble shallow ridges naturally.
Further, Vegetative Filter Strips are designed to that width is 4-6m, and the gradient is 3-5% mode.
The beneficial effects of the invention are as follows：
1. the rainfall runoff of city hardening road surface imports rubble shallow ridges in the present invention, rubble shallow ridges can reduce rainwater on road surface
Runoff washes away to follow-up facility, intercepts particulate pollutant in filtering rainwater on road surface runoff while also imitated with certain landscape
Fruit.Flowing through the part rainwater of rubble shallow ridges will ooze under bottom of trench or side, cut down small part pavement runoff amount, while can also cut down
The crest discharge of road rain water runoff, another part enter Vegetative Filter Strips in the form of uniform cross flow.Vegetative Filter Strips are main
Using the filtering of vegetation, absorb, the degraded of adsorption by soil, microorganism, when conveying road rainfall runoff, purify road rain water footpath
Stream, small part road rain water runoff will also permeate the ground.The road rain water runoff handled by foregoing twice measure enters more work(
Can rainwater purification irrigation canals and ditches, the filtering of filler, absorption, microbial action in filler suspension member in ditch, after being purified to rainwater from
Urban surface water body is discharged into rainwater purification irrigation canals and ditches.Improve the quality of the road rain water of inflow.
2. the present invention cuts dirty unit by the three-level of rubble shallow ridges-Vegetative Filter Strips-rainwater purification irrigation canals and ditches and is connected into sponge
Urban road rainwater purification sewerage, it can be achieved to cut down 10-20% road run-off, 40-50% road Runoff contaminants.
Brief description of the drawings
Fig. 1 is the overall schematic of the embodiment of the present invention one；
Fig. 2 is the overall schematic of the embodiment of the present invention two；
Wherein：1. rubble shallow ridges, 2. white jade rubbles, 3. Vegetative Filter Strips, 4. rainwater purification irrigation canals and ditches, 5. suspension members, 6. permeable geotechniques
Cloth, 7. fillers, 8. greenbelts, 9. pavements or cycle track.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment one
As shown in figure 1, sponge urban road storm-collector system, including rubble shallow ridges 1, Vegetative Filter Strips 3, rainwater purification irrigation canals and ditches
4, rubble shallow ridges 1 sets the both sides of edges of hardening road, and the side of Vegetative Filter Strips 3 overlaps with rubble shallow ridges 1, opposite side and rainwater
Purification irrigation canals and ditches 4 overlap；For the height of its medium stone shallow ridges 1 less than the edge of hardening road, rubble shallow ridges 1 is interior to be filled with rubble；Plant
By filter bag 3 be along with the lap-joint of rubble shallow ridges 1 to the inclined slope of the lap-joint of rainwater purification irrigation canals and ditches 4, in Vegetative Filter Strips
Plant resistance to water logging plant in short-term；The height of rainwater purification irrigation canals and ditches 4 is less than the height at the edge of Vegetative Filter Strips 3, rainwater purification irrigation canals and ditches 4
It is interior to be provided with rainwater purification apparatus.Rainwater on road flows into the rubble shallow ridges 1 of both sides, the particulate pollutant on road is brought into broken
Stone shallow ridges 1, then form inflow Vegetative Filter Strips 3 of the rainwater through infiltration and cross flow, the filtering through vegetation, absorb, soil is inhaled
Rainwater purification irrigation canals and ditches 4 are permeated the ground or flowed into after attached, microorganism degraded carries out purified treatment.
Wherein Vegetative Filter Strips be preferably plant herbaceous plant, shrub zone can not the dense planting as herbaceous plant, exist naked
The soil of dew, is easily caused soil erosion, considers that shrub essay can be interspersed if landscape, using herbaceous plant band+shrub zone+grass
This vegetational zone（Suitable width is larger）Form, and the width of herbaceous plant band is preferably larger, and the width of shrub zone is preferably smaller, such as 1-
1.5m；Or shrub zone（Suitable width is smaller, such as 1-1.5m）+ herbaceous plant band（Suitable width is larger）.
Rainwater purification apparatus includes suspension member 5, permeable geotextiles 6 and filler 7, and suspension member 5 is the bottom of rainwater purification apparatus,
Space is left between the bottom of rainwater purification irrigation canals and ditches 4, the bottom of suspension member 5 is provided with perforation, and both sides are overlapped on rainwater purification irrigation canals and ditches 4
Both sides；Permeable geotextiles 6 are located at the top of suspension member 5, and both sides are embedded in the soil of the both sides overlapped with rainwater purification groove；Filler
7 are filled in the top of permeable geotextiles 6.Suspension member 5 is arranged on from the position with a certain distance from the bottom of rainwater purification irrigation canals and ditches 4, both sides
The both sides of rainwater purification irrigation canals and ditches 4 are overlapped on, to be supported to upper part, avoid rainwater purification apparatus from sinking to rainwater purification ditch
The bottom of canal 4, stop the flowing of the bottom rainwater of rainwater purification irrigation canals and ditches 4；Set and perforated so that the rainwater after purification flows on suspension member 5
Rainwater purification irrigation canals and ditches 4.Permeable geotextiles 6 are used as support member again, and avoid particulate pollutant in filler 7 and rainwater from
Rainwater purification irrigation canals and ditches 4 are flowed into the perforation of suspension member 5.
Filler 7 includes zeolite, vermiculite, cobblestone, and zeolite is filled in bottom, and vermiculite is filled in above zeolite, goose ovum
Stone is filled in above zeolite.The mode that the diameter installation of each component is sequentially reduced from top to bottom in filler 7 is set, and rainwater is entered
Processing of the row from coarse filtration to fine filtering, makes the pollutant process in rainwater more thorough.
The particle diameter of zeolite is 5-15mm, preferably filling thickness 75-85mm, 80mm；The particle diameter of vermiculite is 10-30mm,
Filling thickness is 95-105mm, preferably 100mm；The particle diameter of cobblestone is 30-60mm, filling thickness 115-125mm, preferably
For 120mm.
Length in the permeable both sides of geotextiles 6 embedment both sides soil is 50-70mm.In the permeable both sides of geotextiles 6 are earthed,
It is fixed with the position to permeable geotextiles 6.
The lap of splice of the both sides of suspension member 5 on the both sides of rainwater purification irrigation canals and ditches 4 is 50-100mm, and the distance from bottom rainwater of suspension member 5 is net
The depth for changing the bottom of irrigation canals and ditches 4 is 290-310mm, preferably 300mm.The space of suspension member 5 and the bottom of rainwater purification irrigation canals and ditches 4 supplies to purify
The smooth outflow in rainwater purification irrigation canals and ditches 4 of rainwater afterwards.
The punch inside diameter of the bottom of suspension member 5 is 20-40mm, spacing 40-60mm.
The width of rubble shallow ridges 1 is 300-700mm, depth 300-500mm.
The rubble of filling is white jade rubble, and the particle diameter of white jade rubble is 15-50mm.
The gradient of Vegetative Filter Strips 3 is 3-5%, width 4-7m.
Embodiment two
As shown in Fig. 2 the present embodiment method, with embodiment one, difference is：Rainwater purification irrigation canals and ditches 4 are away from hardening road
Side is greenbelt 8, and greenbelt 8 is past with the inclined slope of the lap-joint of rainwater purification irrigation canals and ditches 4 along outward flange.
The top of rainwater purification irrigation canals and ditches 4 is overhead pavement or cycle track 9.
Above-described embodiment is related to a kind of sponge urban road storm-collector system constituting method, will harden the scape of both sides of the road
The mode that greenery patches and escape canal are designed to have purification function structure is seen, sets in hardening both sides of the road and to be overlapped naturally with it
Rubble shallow ridges 1, by with rubble shallow ridges 1 close to Green Space Design into gentle gradient Vegetative Filter Strips 3, close to Vegetative Filter Strips 3
Rainwater purification irrigation canals and ditches 4 are set, and rainwater purification irrigation canals and ditches 4 are designed with rainwater purification apparatus；Rainfall runoff is shallow from road surface remittance rubble
Ditch 1, rubble shallow ridges 1 carry out intercepting filtering and reduce rainwater on road surface runoff to follow-up to the particulate pollutant in rainfall runoff
Wash away, rainwater cross flow afterwards enters Vegetative Filter Strips 3, and Vegetative Filter Strips 3 carry out the filtering and absorption of vegetation, soil to rainwater
Absorption and infiltration, the degraded of microorganism, afterwards rainwater flow into rainwater purification irrigation canals and ditches 4, the rainwater purification in rainwater purification irrigation canals and ditches 4
Device is carried out after purification removes again to the pollutant in rainwater by rainwater qualified discharge.Rainwater on road flows into the broken of both sides
Stone shallow ridges 1, bring the particulate pollutant on road into rubble shallow ridges 1 and be retained down, then rainwater is through infiltration and cross flow
Form flow into Vegetative Filter Strips 3, the filtering through vegetation, absorb, adsorption by soil, microorganism degraded after permeate the ground or flow
Enter rainwater purification irrigation canals and ditches 4 and carry out purified treatment.
Rainwater purification apparatus is designed to the structure for including suspension member 5, permeable geotextiles 6 and filler 7, and suspension member 5 is located at the bottom,
And space is left between the bottom of rainwater purification irrigation canals and ditches 4, the bottom of suspension member 5 is provided with perforation, and permeable geotextiles 6 are layed in suspension member 5
On, filler 7 is filled in the top of permeable geotextiles 6.Rainwater flows through rainwater purification apparatus from Vegetative Filter Strips 3, is purified through filler 7
Rainwater purification irrigation canals and ditches 4 are flowed into after processing, suspension member 5 is that filler 7 provides support, to ensure rainwater purification apparatus and rainwater purification irrigation canals and ditches
Can leave space, rainwater smooth outflow in rainwater purification irrigation canals and ditches 4 between 4 bottoms, permeable geotextiles 6 can avoid filler with
And other particulate matters flow into the bottom of rainwater purification irrigation canals and ditches 4 together with rainwater.
Suspension member 5 is designed to that both sides are overlapped on the mode on irrigation canals and ditches both sides, and lap of splice 50-80mm, suspension member bottom is apart from rain
The depth of the bottom of Water warfare irrigation canals and ditches 4 is 290-310mm, preferably 300mm.
The punch inside diameter of the bottom of suspension member 5 is 20-40mm, and perforation spacing is 40-60mm.
The permeable both sides of geotextiles 6 overlap and are embedded to wherein with Vegetative Filter Strips 3, and embedment width is 50-70mm.
Filler in suspension member 5 is followed successively by zeolite, vermiculite and cobblestone from the bottom up.
The thickness of filler 7 is followed successively by zeolite 80mm, vermiculite 100mm, cobblestone 120mm in suspension member 5.
The particle diameter of filler 7 is followed successively by zeolite 5-15mm, vermiculite 10-30mm, cobblestone 30-60mm in suspension member 5.
The elevation design of rubble shallow ridges 1 is the mode less than the urban road surfaces to connect therewith, in favor of the rain on road surface
Cross flow enters Vegetative Filter Strips 3 after water flows into rubble shallow ridges 1 naturally.The elevation of rubble shallow ridges 1 is less than road surface, the rainwater energy on road surface
Enough inflow rubble shallow ridges 1 smooth under gravity, then cross flow enters Vegetative Filter Strips 3, avoids ponding on pavement of road.
Vegetative Filter Strips 3 are designed to that width is 4-6m, and the gradient is 3-5% mode.Vegetative Filter Strips have been designed to sufficiently wide
The slope of degree, enough width ensure the clean-up effect of rainwater wherein, and slope ensures that rainwater can flow slowly into after cleaning
Next processing unit.
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member without departing from the spirit and scope of the present invention, can also make a variety of changes or convert, therefore all equivalent
Technical scheme should also belong to protection scope of the present invention, and protection scope of the present invention should be limited by each claim.
Claims (10)
- A kind of 1. sponge urban road storm-collector system constituting method, it is characterised in that：The landscape for hardening both sides of the road is green Ground and escape canal are designed to the mode with purification function structure, and the rubble overlapped naturally with it is set in hardening both sides of the road Shallow ridges（1）, will be with rubble shallow ridges（1）Close to Green Space Design into gentle gradient Vegetative Filter Strips（3）, close to Vegetative Filter Strips （3）Rainwater purification irrigation canals and ditches are set（4）, and rainwater purification irrigation canals and ditches（4）It is designed with rainwater purification apparatus；Rainfall runoff imports from road surface Rubble shallow ridges（1）, rubble shallow ridges（1）Particulate pollutant in rainfall runoff is carried out intercepting filtering and reduces rainwater on road surface runoff Follow-up is washed away, rainwater cross flow afterwards enters Vegetative Filter Strips（3）, Vegetative Filter Strips（3）Vegetation is carried out to rainwater Filtering and absorption, the absorption and infiltration of soil, the degraded of microorganism, the rainwater purification irrigation canals and ditches of rainwater inflow afterwards（4）, rainwater purification Irrigation canals and ditches（4）Interior rainwater purification apparatus is carried out after purification removes again to the pollutant in rainwater by rainwater qualified discharge.
- 2. sponge urban road storm-collector system constituting method as claimed in claim 1, it is characterised in that：Rainwater purification fills Put and be designed to include suspension member（5）, permeable geotextiles（6）And filler（7）Structure, suspension member（5）Positioned at the bottom, and it is net with rainwater Change irrigation canals and ditches（4）Space, suspension member are left between bottom（5）Bottom be provided with perforation, permeable geotextiles（6）It is layed in suspension member（5）On, Filler（7）It is filled in permeable geotextiles（6）Top.
- 3. sponge urban road storm-collector system constituting method as claimed in claim 2, it is characterised in that：Suspension member（5）If Count into the mode that both sides are overlapped on irrigation canals and ditches both sides, lap of splice 50-80mm, suspension member（5）Bottom is apart from rainwater purification irrigation canals and ditches（4） The depth of bottom is 290-310mm.
- 4. sponge urban road storm-collector system constituting method as claimed in claim 2, it is characterised in that：Suspension member（5）Bottom The punch inside diameter in portion is 20-40mm, and perforation spacing is 40-60mm.
- 5. sponge urban road storm-collector system constituting method as claimed in claim 2, it is characterised in that：Permeable geotextiles （6）Both sides and Vegetative Filter Strips（3）Overlap and be embedded to wherein, embedment width is 50-70mm.
- 6. sponge urban road storm-collector system constituting method as claimed in claim 2, it is characterised in that：Suspension member（5）It is interior Filler（7）Zeolite, vermiculite and cobblestone are followed successively by from the bottom up.
- 7. sponge urban road storm-collector system constituting method as claimed in claim 6, it is characterised in that：Suspension member（5）It is interior Filler（7）Thickness be followed successively by zeolite 80mm, vermiculite 100mm, cobblestone 120mm.
- 8. sponge urban road storm-collector system constituting method as claimed in claim 6, it is characterised in that：Suspension member（5）It is interior Filler（7）Particle diameter be followed successively by zeolite 5-15mm, vermiculite 10-30mm, cobblestone 30-60mm.
- 9. sponge urban road storm-collector system constituting method as claimed in claim 1, it is characterised in that：Rubble shallow ridges （1）Elevation design be less than the urban road surfaces to connect therewith mode, flow into rubble naturally in favor of the rainwater on road surface Shallow ridges（1）Cross flow enters Vegetative Filter Strips afterwards（3）.
- 10. sponge urban road storm-collector system constituting method as claimed in claim 1, it is characterised in that：Vegetation is filtered Band（3）It is 4-6m to be designed to width, and the gradient is 3-5% mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339777.0A CN107882149A (en) | 2017-12-14 | 2017-12-14 | Sponge urban road storm-collector system constituting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339777.0A CN107882149A (en) | 2017-12-14 | 2017-12-14 | Sponge urban road storm-collector system constituting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882149A true CN107882149A (en) | 2018-04-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113152203A (en) * | 2021-05-13 | 2021-07-23 | 中国十九冶集团有限公司 | Drainage system for landscaping engineering and construction method thereof |
| CN114319536A (en) * | 2021-12-22 | 2022-04-12 | 江苏龙腾工程设计股份有限公司 | Intelligent sponge ecological buffer zone and construction method thereof |
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| CN202482987U (en) * | 2012-02-29 | 2012-10-10 | 无锡市政设计研究院有限公司 | Rainwater side ditch cover plate |
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| CN113152203A (en) * | 2021-05-13 | 2021-07-23 | 中国十九冶集团有限公司 | Drainage system for landscaping engineering and construction method thereof |
| CN114319536A (en) * | 2021-12-22 | 2022-04-12 | 江苏龙腾工程设计股份有限公司 | Intelligent sponge ecological buffer zone and construction method thereof |
| CN114319536B (en) * | 2021-12-22 | 2022-08-26 | 江苏龙腾工程设计股份有限公司 | Intelligent sponge ecological buffer zone and construction method thereof |
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Application publication date: 20180406 |