CN107558587A - One kind omits water system in printing slowly after first catchmenting - Google Patents
One kind omits water system in printing slowly after first catchmenting Download PDFInfo
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- CN107558587A CN107558587A CN201710840897.2A CN201710840897A CN107558587A CN 107558587 A CN107558587 A CN 107558587A CN 201710840897 A CN201710840897 A CN 201710840897A CN 107558587 A CN107558587 A CN 107558587A
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- water
- collecting structure
- water collecting
- dividing plate
- water system
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 238000007639 printing Methods 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 239000004567 concrete Substances 0.000 claims abstract description 12
- 230000002146 bilateral effect Effects 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 238000009738 saturating Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003673 groundwater Substances 0.000 abstract description 9
- 239000002689 soil Substances 0.000 description 19
- 230000008595 infiltration Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 206010061217 Infestation Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
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- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
One kind omits water system in printing slowly after first catchmenting, including water collecting structure, metalling, permeable reinforcement top cover and dividing plate, concrete structure are：The water collecting structure wall is provided with several sluice ways, and the sheet material with leaking hole is provided with the inside of sluice way, and water collecting structure outside and bottom are provided with metalling, and permeable reinforcement top cover is provided with the top of water collecting structure, dividing plate is provided with water collecting structure.The characteristics of there is the system leak speed can adjust, be not easy to block, easy care, can reduce surface runoff, alleviate urban waterlogging, keep groundwater balance, be a kind of new city cavernous body.
Description
Technical field
The present invention relates to sponge city, municipal drainage, municipal works field, is omitted in printing slowly after first being catchmented more particularly to one kind
Water system.
Background technology
In Process of Urbanization, natural earth's surface mostly by concrete, stone slab etc. be waterproof material covering.Fall at these
The rainfall of closely knit impermeable surface forms surface runoff, rainwater by pumping equipment such as rain pipe, gutter etc. be discharged to again river or
It is other collection drainage facilities.When the surface runoff amount that rainfall is formed exceedes the displacement of drainage system or the collection more than collection drainage facility
During water, waterlogging occurs in low-lying place.If build large volume tank in urban inner or pool can not to store drainage system
The runoff undertaken, urban waterlogging can be being reduced to a certain degree, but such method aggravation town site is nervous.
By the closely knit paving reconstruction in city into water permeable pavement, urban waterlogging can be alleviated to a certain extent.Water permeable pavement allows
Rainwater directly by and penetrate into paving underlying soil, but water permeable pavement low intensity poor durability is only used for low traffic flow
Measure the places such as road, parking lot, pavement.Secondly, the permeation rate of water permeable pavement ultimately depends on oozing for the soil layer under basic unit
Saturating speed.When soil layer infiltration rate is less than to fall the total flow in the rainwater on water permeable pavement and the runoff from other eminences,
Water permeable pavement surface forms waterlogging.If water permeable pavement bottom soil layer infiltration rate is larger, is oozed under rainwater is quick, improve ground
Phreatic surface, cause underground water to rapidly flow toward low-lying place, cause the waterlogging at low-lying place.
Water system is omitted in printing slowly after first being catchmented if one kind, and in heavy showers, its drainage rates is less than or far below its collection
Water speed rate, then rainfall formed surface runoff can temporarily collect be stored in this be stream.If in a period of time after the rain, collection is deposited
Drained automatically in the moisture that this is stream, to collect the surface runoff that next rainfall cycle is formed again, then can slow down even root
Except urban waterlogging.Such system has following feature：(1) in rainfall, can fast and effeciently drink up the rain and surface runoff,
Reduce the waterlogging because caused by land drainage is not smooth；(2) can be set according to the Penetration Signature of soil layer under local rainfall and basic unit
An appropriate leak speed is put, leak speed is excessive, raises the undue of level of ground water, and then cause on low-lying place's water level
Bulging is into waterlogging, while leak speed is excessive then probably due to soil layer impeded drainage deposits in scupper；If leak speed mistake
Small, such system can not soar sufficient space in time in case the surface runoff that temporary next rainfall is formed again, then may cause
Waterlogging；(3) manual maintenance or need not be seldom needed when being on active service, if needing artificial periodic maintenance, the system easy access.
Such omits water system in printing after first catchmenting and may replace road ditch slowly, can be laid in parking lot, pavement, city square
It is used to keep in rainwater with the underground space in the place such as park.Slowly it is not extra or seldom occupy earth's surface to omit water system after first catchmenting in printing
Space, and there is enough durability.Also it can operate with building eaves, first collect roof rain water, backward soil layer omits sky in printing slowly,
Recharge of groundwater, reduce subdrainage pressure.This class formation is developed, to reducing urban waterlogging, regulation groundwater balance and construction
Novel sponge city is worth a big problem of development.
The content of the invention
The technical problem underlying that the present invention solves is to provide after one kind is first catchmented omits water-bound in printing slowly, can be timely and effectively
Temporary rainwater and surface runoff, while the rainwater that collection is deposited in a couple of days after the rain is discharged into surrounding soil automatically, in case during next rainfall
Its integrate draining function can be played, both keeps ground water balance, and can reduces urban waterlogging.
In order to solve the above technical problems, the technical scheme is that：One kind omits water system, including collection in printing slowly after first catchmenting
Water-bound, metalling, permeable reinforcement top cover and dividing plate, concrete structure are：The water collecting structure wall sluices provided with several
Road, sluice way inner side are provided with the sheet material with leaking hole, and water collecting structure outside and bottom are provided with metalling, be provided with the top of water collecting structure
Permeable reinforcement top cover, water collecting structure is interior to be provided with dividing plate.
Transparent waterproof sheet material is posted on the inside of the sluice way of the water collecting structure side wall, transparent waterproof sheet material center is provided with
Several leaking holes, preferably one.Leaking hole has certain distance away from water collecting structure bottom, to reduce what is blocked by rainwater deposit
May.Transparent waterproof sheet material is pasted on the inside of side wall sluice way to be easy to check whether leaking hole and sluice way block or deposit；The plate
Material is easy to disassemble, replaces and clears up.The longitudinal pitch of leaking hole is mainly according to local rainfall, on the spot flow path surface, longitudinal slope
The factors such as degree together decide on；The size of leaking hole is according to the infiltration coefficient of soil layer, saturation degree and local rainfall and frequency under basic unit
Rate etc. determines；Leaking hole is circular, square, rectangle or trapezoidal, circular；A diameter of 1.0-8.0mm of leaking hole, preferably
1.5mm~3.0mm.Transparent waterproof plate surface and its scupper smooth enough, can reduce algae infestation.
The bottom of the water collecting structure and side wall are made by impermeable material, side wall is unilateral, it is bilateral or it is bilateral alternately
Some sluice ways are left at bottom along its length, sluicing road shape can be rectangle, arc or trapezoidal, the area of sluice way
For 3 × 3cm2~10 × 10cm2, preferably 6 × 6cm2。
The section form of described water collecting structure is set according to landform, is set to trapezoidal, arc or rectangle, preferably rectangle knot
Structure.
The permeable reinforcement top cover is made up of seepy material reinforcement, and it is same that seepy material allows surface runoff and rainwater to pass through
When filter out large particulate matter in water, the intensity after top cover reinforcement can meet in pavement, parking lot, city square and park
Deng the use in land operations place, road ditch also may replace.
The dividing plate is made up of impermeable material, is placed in water collecting structure, one closing son knot of formation between two dividing plates
Structure.It is slightly below at the top of dividing plate at the top of water collecting structure, the water less than dividing plate is trapped, higher than the other dividing plate compositions of the current direction of dividing plate
Retention area in.Dividing plate longitudinal pitch is according to local rainfall, flow path surface and gradient etc. determines on the spot.
The space of the metalling can keep in the moisture of leaking hole discharge, and surrounding can be gradually penetrated into by metalling moisture
Soil, metalling increase the contact area that water and surrounding soil are discharged from leaking hole, improve efficiency of the water to soil permeability.
The beneficial effects of the invention are as follows：
1st, omitting the dividing plate of water system after first catchmenting in printing slowly can be retained in rainwater and runoff on the spot several closing son knots
In structure, the water higher than dividing plate can be flowed in sewerage system, not only alleviate the pressure of sewerage system, and store water energy
Lower soil, recharge of groundwater are drained within the predetermined time.And rainwater and runoff are directly discharged into lower water by conventional discharge ditch
In road system, river and pond, accelerate the rise of the water level of lower, cause waterlogging, also without recharge groundwater on the spot.
2nd, surface runoff and rainwater can be effectively absorbed by omitting water system after underground is first catchmented in printing slowly, reduce urban waterlogging；And
The water of storage can be automatically drained out in the given time, in case playing effect during next rainfall.And closely knit paving can form runoff, make
Into waterlogging.Water permeable pavement under by basic unit the infiltration rate of soil influenceed, when infiltration rate is excessive can rapidly lifting level of ground water,
Cause lower waterlogging；Infiltration rate is too small and when rainfall is larger, and rainwater have also exceeded without rapid osmotic in normal direction soil, water
The water capacity in water paving, causes waterlogging.
3rd, the leaking hole of water system is omitted after underground is first catchmented in printing slowly away from side wall certain altitude, can be reduced by deposit in water
The possibility of blocking, and because the sheet material with leaking hole is transparent and detachable, contribute to periodic detection leaking hole and sluice way
Blocking and alluvial situation, are easy to safeguard.
Brief description of the drawings
Fig. 1 be it is of the present invention first catchment after omit the stereogram of water system in printing slowly.
Fig. 2 be it is of the present invention first catchment after omit the section plan of water system in printing slowly.
Fig. 3 be it is of the present invention first catchment after omit the installation diagram of water system in printing slowly.
Fig. 4 is to omit water system parking lot application schematic diagram in printing slowly after first catchmenting.
Fig. 5 is to omit water system pavement application schematic diagram in printing slowly after underground is first catchmented.
Fig. 6 is to omit water system retention roof rain water after first catchmenting in printing slowly to utilize application schematic diagram.
Fig. 7 be it is of the present invention first catchment after omit the making illustraton of model of water system in printing slowly.
Fig. 8 is the actual seepage line and preferable seepage line chart that inside dimension is 1m × 0.5m × 0.5m water tanks.
Fig. 9 is the drainage effect figure in the gutter in different leaking hole apertures.
In figure mark for：It is underground slow leak system 1 after first catchmenting, water collecting structure 2, impermeable material 3, sluice way 4, transparent
Waterproof sheet material 5, leaking hole 6, metalling 7, permeable reinforcement top cover 8, dividing plate 9, flow path 10.
Embodiment
Technical scheme is further described below by way of drawings and examples.
Embodiment 1
As shown in Figures 1 to 5, it is of the present invention first catchment after omit an example of water system in printing slowly, be to be used for underground
First catchment after slow leak system 1, including water collecting structure 2, leaking hole 6, metalling 7, permeable reinforcement top cover 8 and dividing plate 9, tool
Body structure is：The wall of water collecting structure 2 is provided with some leaking holes 6, and the outside of water collecting structure 2 and bottom are provided with metalling 7, catchmented
The top of structure 2 is provided with permeable reinforcement top cover 8, and dividing plate 9 is provided with water collecting structure 2.
The present embodiment can be used for parking lot, pavement, parting strip and other underground installations.
The permeable reinforcement top cover 8 of the present embodiment is used as the system surface structure load, can filter out into water collecting structure 2
Rainwater and runoff entrained by impurity, can need clear up or replace part when open.Water collecting structure 2 is impermeable material 3
It is made, such as air-free concrete, waterproof building material.In water collecting structure 2 higher than dividing plate 9 current downstream dividing plate 9 form
Close in minor structure or other storage pumping equipments, the moisture for being stored in water collecting structure 2 can only be saturating on the inside of sluice way 4 from being attached to
Leaking hole 6 in bright waterproof sheet material 5 projects.Sluice way 4 can it is unilateral, bilateral along side wall or it is bilateral be alternately arranged, its spacing and
The pore size of leaking hole 6 is depending on target displacement.The metalling 7 in the outside of water collecting structure 2 can temporary transient water storage, its major function is
Increase the contact area of scupper discharge water and soil, improve the infiltration efficiency of soil.Current are as shown in flow path 10.
Embodiment 2
As shown in fig. 6, the present embodiment is for slow leak system after first the catchmenting of ground, using omitting water in printing slowly after first catchmenting
System retention roof rain water is irrigated.Rainwater first passes through rain pipe and omits water system 1 in printing slowly into after first catchmenting, then passes through leak
Hole 6, which is injected under greenbelt or other infiltration surfaces, oozes, and recharge groundwater, extends the irrigation effect of rainwater, reduces other irrigations
The use of equipment.
Embodiment 3
The present embodiment for it is of the present invention first catchment after omit another example of water system in printing slowly, be using waterproof mixed
It is being sealed without top cover concrete box, concrete slab joint with glass cement for 1m × 0.5m × 0.5m that internal diameter, which is made, in concrete board.It is short
Avris wall simulate dividing plate 9, concrete box long side side wall away from be provided with the 2.5cm of bottom an aperture be 1.5mm leaking hole 6.It is mixed
Coagulate native case inside sidewalls and post the graduated scale of the height as case for Real Time Observation water leakage and cistern water level height.By coagulation
Native case is positioned over to be excavated inside a heatable adobe sleeping platform in advance, i.e., the concrete box gradient is 0.The heatable adobe sleeping platform lower floor soil body is silty clay, and it oozes
Saturating speed is 1.5 × 10-7M/s, porosity 18%, saturation degree 50%, concrete box bottom on the outside of four walls with being paved with rubble
Layer 7.It is as shown in Figure 7 to make model.Injecting height is 50cm water in toward concrete box, tests and is ensureing there was only a small amount of water evaporation
And without other water it is reflooded in the case of carry out.Seepage line and preferable seepage line are surveyed as shown in figure 8, ideally water level drops
Needed 24.5 hours at leaking hole, during actual conditions lower on-test 26 after water do not leaked completely also, and actual breakthrough rate
Less than preferable breakthrough rate, because actual conditions water has viscosity resistance, and the simulation of preferable seepage line is that viscosity resistance is 0
Liquid.Although actual measurement seepage line and preferable seepage line are deviated, difference is little, therefore omits water system in printing slowly after first catchmenting
Water discharge time can substantially be estimated with preferable seepage line.
Operation principle
Rainwater and runoff enter water collecting structure 2 from the space of permeable reinforcement top cover 8, while the impurity entrained by rainwater is by mistake
Filter, the siltation amount of water collecting structure 2 is reduced, reduce the possibility that leaking hole 6 and sluice way 4 are blocked, manual maintenance week can be extended
Phase.Permeable reinforcement top cover 8 can separate with water collecting structure 2 and also allow for overhauling.
The gradient of water collecting structure 2 determines according to actual condition, rainfall, flow path surface etc..Dividing plate 9 divides water collecting structure 2
Some minor structures are divided into, higher than the other minor structures or other storage pumping equipments of the current direction lower of dividing plate 9, and are stored in
Water in water collecting structure 2 can not discharge from fluid-tight side wall, can only be projected from leaking hole 6.The water of injection enters by sluice way
Enter the space of metalling 7, finally penetrate into surrounding soil.
The q=water-carrying capacity m that leaking hole 6 projects3/ s and t=emptying times s can be by Torricelli law Torricelli ' s
Law is calculated,The surface area m of the slow drain structures of wherein A=2, the aperture plane of a=leaking holes 6
Product m2, the height of catchmenting of the slow drain structures of h=, g=acceleration of gravity m/s2。
The amount of jet and emptying time of leaking hole 6 can be tried to achieve according to above-mentioned two formula, with an envelope for being filled with 50cm high water level
Close exemplified by minor structure, water level is started at from the bottom of leaking hole 6, no more than the top of dividing plate 9.As shown in figure 8, water collecting structure is full of water
When, the amount of jet of leaking hole 6 is big, and with slow leakage time increase, the amount of jet of leaking hole 6 reduces, when water level drops to and the bottom of leaking hole 6
When portion flushes, amount of jet 0.If as shown in figure 9, only open a leaking hole 6 and hole aperture be respectively 1.0mm, 1.5mm,
During 2.0mm, maximum amount of jet respectively may be about 2.3ml/s, 5.7ml/s, 10ml/s, and water level is down to when being flushed with the bottom of leaking hole 6
The required time respectively may be about 2.3,1.05,0.6 days.Water discharge time increases when the aperture of leaking hole 6 is smaller, leaves basic unit's foot for
The water of enough time drained injections from leaking hole 6, but water collecting structure may not have foot when the easy blocking of leaking hole 6, next rainfall
Enough spaces；The aperture of increase leaking hole 6 can reduce water discharge time, but basic unit may be caused to fail to have oozed the jet of leaking hole 6 in time
Amount.It is recommended that a diameter of 1.0-8.0mm of leaking hole 6, preferably 1.5mm~3.0mm.
One embodiment of the present of invention is the foregoing is only, is not intended to limit the scope of the invention, every utilization
Equivalent structure that description of the invention and accompanying drawing content are made, equivalent flow conversion, appropriate deleting or increasing, or directly or
Connect and be used in other related technical areas, should be included with protection scope of the present invention.
Claims (9)
1. one kind omits water system, including water collecting structure, metalling, permeable reinforcement top cover and dividing plate in printing slowly after first catchmenting, it is special
Sign is that concrete structure is：The water collecting structure wall is provided with several sluice ways, and the plate with leaking hole is provided with the inside of sluice way
Material, on the outside of water collecting structure and bottom are provided with metalling, are provided with permeable reinforcement top cover at the top of water collecting structure, water collecting structure it is interior provided with every
Plate.
2. it is according to claim 1 first catchment after omit water system in printing slowly, it is characterised in that the water collecting structure side wall is let out
Sheet material that is waterproof, transparent and being provided with leaking hole is posted on the inside of water channel.
3. it is according to claim 2 first catchment after omit water system in printing slowly, it is characterised in that the leaking hole can be it is circular,
Square, rectangle or trapezoidal, circular.
4. omit water system in printing slowly after first catchmenting according to Claims 2 or 3, it is characterised in that the diameter of the leaking hole
For 1.0~8.0mm, preferably 1.5mm~3.0mm.
5. it is according to claim 1 first catchment after omit water system in printing slowly, it is characterised in that the bottom of the water collecting structure and
Side wall is made by impermeable material, side wall is unilateral, it is bilateral or it is bilateral alternately leave along its length at bottom it is some
Sluice way, sluicing road shape can be rectangle, arc or trapezoidal, and the area of sluice way is 3 × 3cm2~10 × 10cm2, preferably 6 ×
6cm2。
6. it is according to claim 1 first catchment after omit water system in printing slowly, it is characterised in that the section of described water collecting structure
Form is set according to landform, is set to trapezoidal, arc or rectangle, preferably rectangular configuration.
7. it is according to claim 1 first catchment after omit water system in printing slowly, it is characterised in that the permeable reinforcement top cover is by saturating
Water material reinforcement is made.
8. underground according to claim 1 omits water system in printing slowly after first catchmenting, it is characterised in that the dividing plate is by waterproof
Material is made, and a closing minor structure is formed in water collecting structure, between two dividing plates.
9. underground according to claim 1 omits water system in printing slowly after first catchmenting, it is characterised in that lower slightly at the top of the dividing plate
At the top of water collecting structure, the water less than dividing plate is trapped, in the retention area higher than the other dividing plate compositions of the current direction of dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840897.2A CN107558587A (en) | 2017-09-18 | 2017-09-18 | One kind omits water system in printing slowly after first catchmenting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710840897.2A CN107558587A (en) | 2017-09-18 | 2017-09-18 | One kind omits water system in printing slowly after first catchmenting |
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| Publication Number | Publication Date |
|---|---|
| CN107558587A true CN107558587A (en) | 2018-01-09 |
Family
ID=60981170
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840897.2A Pending CN107558587A (en) | 2017-09-18 | 2017-09-18 | One kind omits water system in printing slowly after first catchmenting |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356278A (en) * | 2018-09-28 | 2019-02-19 | 广西城居乐科技有限公司 | A kind of filter device suitable for slow discharge outlet |
| CN109440554A (en) * | 2019-01-08 | 2019-03-08 | 吉林建筑大学 | A kind of assembled greening band structure and its construction method |
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| KR20100115490A (en) * | 2009-04-20 | 2010-10-28 | 박진상 | A rooftop greening panel |
| CN104947778A (en) * | 2015-05-08 | 2015-09-30 | 广州市城市规划勘测设计研究院 | Municipal road drainage system and drainage method |
| CN105484340A (en) * | 2016-01-18 | 2016-04-13 | 济南黄河路桥工程公司 | Rainstorm overflow well with rainwater seepage function |
| CN205224230U (en) * | 2015-11-06 | 2016-05-11 | 厦门理工学院 | LID type urban rainwater oozes and holds clean drainage closed conduit |
| CN106400946A (en) * | 2016-11-21 | 2017-02-15 | 衡阳市农业科学研究所 | Water storage structure capable of improving moisture content in underground soil of urban street trees |
| CN106978839A (en) * | 2017-03-17 | 2017-07-25 | 四川大学 | A kind of sponge urban rainwater collection purification utilization integrated system |
| CN207228292U (en) * | 2017-09-18 | 2018-04-13 | 覃英宏 | One kind omits water system in printing slowly after first catchmenting |
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2017
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100115490A (en) * | 2009-04-20 | 2010-10-28 | 박진상 | A rooftop greening panel |
| CN104947778A (en) * | 2015-05-08 | 2015-09-30 | 广州市城市规划勘测设计研究院 | Municipal road drainage system and drainage method |
| CN205224230U (en) * | 2015-11-06 | 2016-05-11 | 厦门理工学院 | LID type urban rainwater oozes and holds clean drainage closed conduit |
| CN105484340A (en) * | 2016-01-18 | 2016-04-13 | 济南黄河路桥工程公司 | Rainstorm overflow well with rainwater seepage function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109356278A (en) * | 2018-09-28 | 2019-02-19 | 广西城居乐科技有限公司 | A kind of filter device suitable for slow discharge outlet |
| CN109440554A (en) * | 2019-01-08 | 2019-03-08 | 吉林建筑大学 | A kind of assembled greening band structure and its construction method |
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Application publication date: 20180109 |