CN103821217A - Low-lying green space flow limiting facility for relieving small-watershed waterlogging disaster of city - Google Patents
Low-lying green space flow limiting facility for relieving small-watershed waterlogging disaster of city Download PDFInfo
- Publication number
- CN103821217A CN103821217A CN201410053008.4A CN201410053008A CN103821217A CN 103821217 A CN103821217 A CN 103821217A CN 201410053008 A CN201410053008 A CN 201410053008A CN 103821217 A CN103821217 A CN 103821217A
- Authority
- CN
- China
- Prior art keywords
- low
- low elevation
- current limliting
- facility
- basin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Sewage (AREA)
Abstract
The invention discloses a low-lying green space flow limiting facility for relieving a small-watershed waterlogging disaster of a city. The low-lying green space flow limiting facility comprises low-lying green spaces arranged on the periphery of a road, wherein edges of the low-lying green spaces are lower than the surface of the road; the elevations of the low-lying green spaces are gradually reduced towards the middles so that a middle low-point area for storing rainwater is formed; and the middle low-point area is provided with a catch basin which is connected with a municipal drainage pipe network. By using the low-lying green space flow limiting facility, rainwater on the surface of the road is stored in the peripheral low-lying green spaces, and then is drained in the municipal drainage pipe network through the catch basin of the middle low-point area. By the design, the water logging time of the low-lying green spaces is shortened, water in soil of the green spaces is drained, the number of rainwater openings in sides of the road is reduced, the water drainage ability of the existing municipal drainage pipe network is sufficiently utilized, blockage is relieved, long-time and high-quantity rainstorm can be handled easily, heavy rain which was not encountered in the past 50 years can be effectively handled, requirements on a new city water drainage and waterlogging prevention outline can be met, the planning design on the low-lying green spaces is improved fundamentally, and the small-watershed waterlogging disaster of the city is relieved.
Description
Technical field
The present invention, for municipal sewerage engineering field, particularly relates to a kind of Low elevation greenbelt current limliting facility of alleviating city small watershed waterlogging disaster.
Background technology
Low elevation greenbelt (is called again " recessed greenery patches ", in the application, be referred to as " Low elevation greenbelt ") refer to relatively lower than surrounding ground or road surface (track, sidewalk, square mat formation face etc., be below referred to as road surface) absolute altitude, can put aside, under ooze self and periphery rainfall runoff greenery patches.The starting point of existing Low elevation greenbelt scheme is by Low elevation greenbelt, holds as much as possible stagnant rain flood, reduces runoff coefficient, oozes condition recharge of groundwater resource under creation, even dams as target take 100%, wishes runoff coefficient to be reduced to zero.
There are following 3 limitation in above-mentioned thinking: 1. Low elevation greenbelt is to reducing the effect of runoff coefficient along with heavy rain magnitude, rainfall pattern last and change, the rainfall pattern of existing research is many based on short duration Rain Intensity Formula Based, be difficult to the complete rainfall pattern of reflection comprehensively, the conclusion that its peak clipping obtaining, runoff coefficient are cut down is often with specific fringe conditions restriction, the runoff coefficient obtaining is also often less than normal, dynamic change reflection to runoff coefficient is not enough, thereby may bring adverse effect to section rainwater planning and designing.2. in order to descend possibly impregnation to fill groundwater resources as far as possible, certainly will extend the holdup time of rainwater in greenery patches, extend on the one hand the water logging time in greenery patches, affect greenery patches and use; Long-time delay has also taken the storage capacity of regulating and storing of Low elevation greenbelt on the other hand, has obviously reduced the peak clipping ability of tackling the rainfall pattern after main rainfall peak value leans on.3. descend milliosmolarity increase to mean to have reduced the rainwater flow of city planting ductwork, under low recurrence interval condition, Storm Sewer Network drainability is not fully utilized, draining and flushing ability weakens, easily increase pipeline alluvial situation, worsen the adaptibility to response of the high recurrence interval heavy rain of prominent chance, needed to increase the clear maintenance workload of dredging.
In addition, the municipal inlet for stom water of the overwhelming majority is arranged along road side at present, and former side entering type inlet for stom water, owing to forming escarpment among a small circle at inlet for stom water place, exists potential safety hazard, less employing, and what adopt at present is to put down into formula inlet for stom water.Road side inlet for stom water affects the planeness on road surface on the one hand, easily produces noise; In addition, road cleaning and close on retail shop and residential community situation under, be subject to stop up.
Moreover, the current brick or reinforced concrete structure of the many employings of catch-basin, the borehole wall is waterproof, particularly for the rainwater well head in Low elevation greenbelt, as the borehole wall can not be permeable, residual rainwater in can not the drainage periphery soil body, makes soil after the rain for a long time in saturation state, affects plant growth and utilization of area.
Summary of the invention
For addressing the above problem, the invention provides one and reduce Low elevation greenbelt water logging duration, when drainage soil of greenbelt and minimizing trackside inlet for stom water, give full play to existing municipal drainage pipe network drainability, minimizing is silted up, alleviates the Low elevation greenbelt current limliting facility of city small watershed waterlogging disaster.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Low elevation greenbelt current limliting facility of alleviating city small watershed waterlogging disaster, comprise the Low elevation greenbelt of being located at road periphery, Low elevation greenbelt edge is lower than pavement of road, and reducing gradually elevation to middle part to form the low spot region, middle part of collected rainwater, low spot region, middle part is provided with the catch-basin of connecting with municipal drainage pipe network.
Be further used as the improvement of technical solution of the present invention, catch-basin adopts and puts down into formula catch-basin, and catch-basin forms the well edge higher than periphery Low elevation greenbelt mud face, and grid-like cover plate is set in well edge.
Be further used as the improvement of technical solution of the present invention, the borehole wall of catch-basin adopts sand concrete free structure, and at arranged outside loaded filter.
Be further used as the improvement of technical solution of the present invention, loaded filter comprises cobble layer and the granule layer that ecto-entad layering arranges, and is wrapped in the geotextiles in cobble layer and granule layer outside.
Be further used as the improvement of technical solution of the present invention, the borehole wall bottom of catch-basin is provided with the outlet pipe of connecting with municipal drainage pipe network, and the entry position of the inherent outlet pipe of catch-basin is provided with current limliting lock.
Be further used as the improvement of technical solution of the present invention, current limliting lock comprises base plate and some stoplogs, base plate upper end is provided with overflow water inlet breach, and forms slot post in the both sides of overflow water inlet breach, and the inner side of slot post is provided with the slot that guides stoplog to slip into overflow water inlet breach.
Be further used as the improvement of technical solution of the present invention, stoplog is the rectangular straight beam in cross section, base plate forms the plane that can fit with stoplog in the bottom surface of overflow water inlet breach, slot is the V-shaped groove along slot post indent, and the termination, two ends of stoplog all forms the first orientation angle rib that can coordinate with V-shaped groove location.
Be further used as the improvement of technical solution of the present invention, the shaft bottom of catch-basin is provided with draw-in groove, the bottom formation embedding draw-in groove of base plate and support baseboard rotate to open or cover the second orientation angle rib of outlet pipe around draw-in groove, the bottom of base plate is also provided with some sluicing seams that penetrate base plate.
Be further used as the improvement of technical solution of the present invention, the pavement of road slope aspect Low elevation greenbelt of Low elevation greenbelt periphery, the discrepancy in elevation of Low elevation greenbelt edge and pavement of road adopts flat gradient face transition.
Be further used as the improvement of technical solution of the present invention, the below, shaft bottom of catch-basin is provided with substrate, and substrate comprises plain concrete basis and is positioned at the stone sand bed course of plain concrete basis downside.
Beneficial effect of the present invention: in the Low elevation greenbelt current limliting facility of this alleviation city small watershed waterlogging disaster, the rainwater of pavement of road is put aside the Low elevation greenbelt of periphery, and enters municipal drainage pipe network by the catch-basin in low spot region, middle part.The present invention is by above-mentioned design, can reach and reduce Low elevation greenbelt water logging duration, when drainage soil of greenbelt and minimizing trackside inlet for stom water, give full play to existing municipal drainage pipe network drainability, minimizing is silted up, and calm reply length is lasted, the heavy rain of large rainfall, successfully manages new edition urban sewerage and drainage prevention waterlogging outline and requires to promote 50 years one chance Storm Rainfall Standards that reach, thereby in the planning and designing that fundamentally improved Low elevation greenbelt, reach the beneficial effect of alleviating city small watershed waterlogging disaster.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is plane structure schematic diagram of the present invention;
Fig. 2 is first embodiment of the invention longitudinal profile schematic diagram;
Fig. 3 is first embodiment of the invention horizontal section schematic diagram;
Fig. 4 is second embodiment of the invention longitudinal profile schematic diagram;
Fig. 5 is second embodiment of the invention horizontal section schematic diagram;
Fig. 6 is current limliting brake structure schematic diagram of the present invention;
Fig. 7 is A-A place sectional view in Fig. 6;
Fig. 8 is B-B place sectional view in Fig. 6;
Fig. 9 is stoplog structural representation of the present invention.
The specific embodiment
With reference to Fig. 1～Fig. 9, the invention provides a kind of Low elevation greenbelt current limliting facility of alleviating city small watershed waterlogging disaster, comprise the Low elevation greenbelt 2 of being located at road 1 periphery, Low elevation greenbelt 2 edges are lower than road 1 road surface, Low elevation greenbelt 2 is controlled at 30mm with the road 1 road boundary place discrepancy in elevation, and reduce gradually elevation to middle part to form the low spot region, middle part of collected rainwater, low spot region, middle part is provided with the catch-basin 3 of connecting with municipal drainage pipe network, the below, shaft bottom of catch-basin 3 is provided with substrate, and substrate comprises plain concrete basis 31 and is positioned at the stone sand bed course 32 of plain concrete basis 31 downsides.
Wherein, peripheral path 1 road surface slope aspect Low elevation greenbelt 2, rainwater is planar diffusing by road 1 road surface and enters Low elevation greenbelt 2, if any the outstanding boundary zone of road side stone, adopt the way of interval parting, between kerbstone, reserved row's mouth sews up Low elevation greenbelt 2, stitch wide 30～50mm, spacing 600～1200mm; When centre has sidewalk to intercept, under sidewalk, bury minor diameter rain pipe linking-up road 1 and Low elevation greenbelt 2 underground.Low elevation greenbelt 2 edges are lower than road 1 road surface 30mm, and to middle part, the ratio of slope with 0.5～10% reduces elevation gradually, to expand gradually effectively the regulate and store degree of depth and the volume of Low elevation greenbelt 2.
In the Low elevation greenbelt current limliting facility of this alleviation city small watershed waterlogging disaster, the rainwater on road 1 road surface is put aside the Low elevation greenbelt 2 of periphery, and enters municipal drainage pipe network by the catch-basin 3 in low spot region, middle part.The present invention is by above-mentioned design, can reach and (not only get rid of surface water reducing Low elevation greenbelt 2 water logging durations, still can regulate in time soil moisture content, avoid for a long time in saturation state), when drainage soil of greenbelt and minimizing trackside inlet for stom water, give full play to existing municipal drainage pipe network drainability, minimizing is silted up, calm reply is long to last, the heavy rain of large rainfall, successfully manage new edition urban sewerage and drainage prevention waterlogging outline and require to promote the Storm Rainfall Standard of meeting for 50 years reaching, thereby in the planning and designing that fundamentally improved Low elevation greenbelt, reach the beneficial effect of alleviating city small watershed waterlogging disaster.
As the preferred embodiment of the present invention, catch-basin 3 adopts puts down into formula catch-basin (according to the collective area size of sharing, single grate or two grate well are set), catch-basin 3 forms the well edge 33 higher than periphery Low elevation greenbelt 2 mud faces, and at the interior grid-like cover plate 34 that arranges of well edge 33.The function of catch-basin 3 is to collect the rain flood that Low elevation greenbelt 2 confluxes.Wherein, well edge 33 is higher than periphery greenery patches mud face 30mm, to prevent that silt particle from directly pouring in well; Well head arranges the cover plate 34 of self-locking ductile iron, as rain flood entrance and access hole, enters in well to reduce plant leaf by grid-like design;
As the preferred embodiment of the present invention, one of emphasis of the present invention is, the borehole wall 35 of catch-basin 3 adopts the sand concrete free structure of good water permeability, the main difference part of sand concrete free structure and ordinary concrete is there is no fines, and only, with coarse aggregate, cement is in order to cover the surface of coarse aggregate, an and cementation, rather than filling space, therefore cement consumption is fewer than ordinary concrete, is generally 70～150kg/m
3, coarse aggregate is selected medium particle diameter (10～20mm), and should use evengranular gravel or rubble, and the water permeability of sand concrete free structure can reach 1mm/s magnitude.For the silt blocking of avoiding the sand concrete free structure borehole wall to be brought in soil, need loaded filter 36 be set outward at well, the thick cobble layer of 150mm (particle diameter 10mm) and the thick granule layer of 150mm (particle diameter 1～4mm) that loaded filter 36 is arranged by layering form, and block preventing in cobble layer and granule layer outsourcing geotextiles 37, form an infiltration vertical shaft, so that be detained the Low elevation greenbelt 2 timely drainage after the rain of rain flood, avoid the soil body for a long time in saturation state, be beneficial to plant growth and greenery patches and use.
As the preferred embodiment of the present invention, the borehole wall 35 bottoms of catch-basin 3 are provided with the outlet pipe 4 of connecting with municipal drainage pipe network, and the entry position of the inherent outlet pipe 4 of catch-basin 3 is provided with current limliting lock 5.Current limliting lock 5 can be selected stoplog current limliting, lock hole current limliting, pipeline current limliting, weir current limliting etc.Wherein the most succinct practical with stoplog current limliting lock pattern, its function is to control flexibly the rain mighty torrent amount that enters Storm Sewer Network, reaches current limliting object, to alleviate downstream ductwork pressure and to alleviate city small watershed waterlogging.
Concrete, current limliting lock 5 comprises base plate 51 and some stoplogs 52, and base plate 51 upper ends are provided with overflow water inlet breach 53, and form slot post 54 in the both sides of overflow water inlet breach 53, and the inner side of slot post 54 is provided with the slot 55 that guides stoplog 52 to slip into overflow water inlet breach 53.Stoplog 52 is the rectangular straight beam in cross section, base plate 51 forms in the bottom surface of overflow water inlet breach 53 plane that can fit with stoplog 52, slot 55 is the V-shaped groove along slot post 54 indents, and the termination, two ends of stoplog 52 all forms the first orientation angle rib 56 that can coordinate with V-shaped groove location.The shaft bottom of catch-basin 3 is provided with draw-in groove 38, and the bottom formation embedding draw-in groove 38 of base plate 51 and support baseboard 51 rotate to open or cover the second orientation angle rib 57 of outlet pipe 4 around draw-in groove 38.The present invention is limited catch-basin 3 and is entered the flow of outlet pipe 4 by the number of stoplog 52 on base plate 51; When in emergency circumstances, need to increase rainwater conveyance capacity time, the base plate of current limliting lock 5 51 can be toppled over to outlet pipe 4 going out side, can remove current-limiting function.
In addition, the bottom of base plate 51 is also provided with some sluicing seams 58 that penetrate base plate 51, to drain the ponding in net rainfall well 3, avoids mosquito to grow.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (10)
1. alleviate the Low elevation greenbelt current limliting facility of city small watershed waterlogging disaster for one kind, it is characterized in that: comprise the Low elevation greenbelt of being located at road periphery, described Low elevation greenbelt edge is lower than pavement of road, and reducing gradually elevation to middle part to form the low spot region, middle part of collected rainwater, low spot region, described middle part is provided with the catch-basin of connecting with municipal drainage pipe network.
2. the Low elevation greenbelt current limliting facility of alleviation according to claim 1 city small watershed waterlogging disaster, it is characterized in that: described catch-basin adopts and puts down into formula catch-basin, described catch-basin forms the well edge higher than periphery Low elevation greenbelt mud face, and in described well edge, grid-like cover plate is set.
3. the Low elevation greenbelt current limliting facility of alleviation according to claim 1 and 2 city small watershed waterlogging disaster, is characterized in that: the borehole wall of described catch-basin adopts sand concrete free structure, and at arranged outside loaded filter.
4. the Low elevation greenbelt current limliting facility of alleviation according to claim 3 city small watershed waterlogging disaster, is characterized in that: described loaded filter comprises cobble layer and the granule layer that ecto-entad layering arranges, and is wrapped in the geotextiles in cobble layer and granule layer outside.
5. the Low elevation greenbelt current limliting facility of alleviation according to claim 1 and 2 city small watershed waterlogging disaster, it is characterized in that: the borehole wall bottom of described catch-basin is provided with the outlet pipe of connecting with municipal drainage pipe network, the entry position of the inherent outlet pipe of described catch-basin is provided with current limliting lock.
6. the Low elevation greenbelt current limliting facility of alleviation according to claim 5 city small watershed waterlogging disaster, it is characterized in that: described current limliting lock comprises base plate and some stoplogs, described base plate upper end is provided with overflow water inlet breach, and forming slot post in the both sides of described overflow water inlet breach, the inner side of described slot post is provided with the slot that guides stoplog to slip into overflow water inlet breach.
7. the Low elevation greenbelt current limliting facility of alleviation according to claim 6 city small watershed waterlogging disaster, it is characterized in that: described stoplog is the rectangular straight beam in cross section, described base plate forms the plane that can fit with stoplog in the bottom surface of overflow water inlet breach, described slot is the V-shaped groove along slot post indent, and the termination, two ends of described stoplog all forms the first orientation angle rib that can coordinate with V-shaped groove location.
8. the Low elevation greenbelt current limliting facility of alleviation according to claim 6 city small watershed waterlogging disaster, it is characterized in that: the shaft bottom of described catch-basin is provided with draw-in groove, the bottom formation described draw-in groove of embedding of described base plate and support baseboard rotate to open or cover the second orientation angle rib of outlet pipe around draw-in groove, the bottom of described base plate is also provided with some sluicing seams that penetrate base plate.
9. the Low elevation greenbelt current limliting facility of alleviation according to claim 1 and 2 city small watershed waterlogging disaster, it is characterized in that: the pavement of road slope aspect Low elevation greenbelt of described Low elevation greenbelt periphery, the discrepancy in elevation of Low elevation greenbelt edge and pavement of road adopts flat gradient face transition.
10. the Low elevation greenbelt current limliting facility of alleviation according to claim 1 and 2 city small watershed waterlogging disaster, is characterized in that: the below, shaft bottom of described catch-basin is provided with substrate, and described substrate comprises plain concrete basis and is positioned at the stone sand bed course of plain concrete basis downside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053008.4A CN103821217B (en) | 2014-02-17 | 2014-02-17 | Low-lying green space flow limiting facility for relieving small-watershed waterlogging disaster of city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053008.4A CN103821217B (en) | 2014-02-17 | 2014-02-17 | Low-lying green space flow limiting facility for relieving small-watershed waterlogging disaster of city |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103821217A true CN103821217A (en) | 2014-05-28 |
| CN103821217B CN103821217B (en) | 2015-05-13 |
Family
ID=50756482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410053008.4A Active CN103821217B (en) | 2014-02-17 | 2014-02-17 | Low-lying green space flow limiting facility for relieving small-watershed waterlogging disaster of city |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103821217B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790508A (en) * | 2015-04-13 | 2015-07-22 | 湖南城市学院 | Gutter inlet structure with function of draining water accumulated inside roadbed and road surface |
| CN105863029A (en) * | 2016-05-16 | 2016-08-17 | 北京雨人润科生态技术有限责任公司 | Multifunctional municipal pipeline discharge port suitable for different rainfall conditions |
| CN109339186A (en) * | 2018-08-28 | 2019-02-15 | 武汉圣禹排水系统有限公司 | Road rain water pneumatically shunts processing system and its control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595457A (en) * | 1995-03-14 | 1997-01-21 | Stucks; Mark A. | Storm drainage underflow dam unit |
| CN2887986Y (en) * | 2005-09-02 | 2007-04-11 | 北京泰宁科创科技有限公司 | Penetrating catch basin |
| CN202380558U (en) * | 2011-12-27 | 2012-08-15 | 北京建筑工程学院 | Anti-water-logging system |
| CN102720262A (en) * | 2012-06-30 | 2012-10-10 | 黄姁媛 | Novel urban drainage system |
| CN102966165A (en) * | 2012-11-12 | 2013-03-13 | 三峡大学 | System for eliminating and reducing urban inland inundation by utilizing adsorption layer of green area and inland inundation eliminating and reducing method |
| CN203174754U (en) * | 2013-03-22 | 2013-09-04 | 大连东都建材有限公司 | Rainwater permeable-type overflow well |
-
2014
- 2014-02-17 CN CN201410053008.4A patent/CN103821217B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5595457A (en) * | 1995-03-14 | 1997-01-21 | Stucks; Mark A. | Storm drainage underflow dam unit |
| CN2887986Y (en) * | 2005-09-02 | 2007-04-11 | 北京泰宁科创科技有限公司 | Penetrating catch basin |
| CN202380558U (en) * | 2011-12-27 | 2012-08-15 | 北京建筑工程学院 | Anti-water-logging system |
| CN102720262A (en) * | 2012-06-30 | 2012-10-10 | 黄姁媛 | Novel urban drainage system |
| CN102966165A (en) * | 2012-11-12 | 2013-03-13 | 三峡大学 | System for eliminating and reducing urban inland inundation by utilizing adsorption layer of green area and inland inundation eliminating and reducing method |
| CN203174754U (en) * | 2013-03-22 | 2013-09-04 | 大连东都建材有限公司 | Rainwater permeable-type overflow well |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790508A (en) * | 2015-04-13 | 2015-07-22 | 湖南城市学院 | Gutter inlet structure with function of draining water accumulated inside roadbed and road surface |
| CN105863029A (en) * | 2016-05-16 | 2016-08-17 | 北京雨人润科生态技术有限责任公司 | Multifunctional municipal pipeline discharge port suitable for different rainfall conditions |
| CN109339186A (en) * | 2018-08-28 | 2019-02-15 | 武汉圣禹排水系统有限公司 | Road rain water pneumatically shunts processing system and its control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103821217B (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Low impact development (LID) practices: A review on recent developments, challenges and prospects | |
| CN202170502U (en) | Soil cut slope drainage system | |
| CN207793788U (en) | A kind of porous pavement rain infiltration structure | |
| CN201943173U (en) | Sinking groove type permeable gutter inlet facility system | |
| CN206352331U (en) | The concave herbaceous field structure of sponge the idea of the city | |
| CN206571217U (en) | Outdoor Parking position system based on sponge the idea of the city | |
| CN106917522A (en) | A kind of Outdoor Parking position system based on sponge the idea of the city | |
| CN105926408A (en) | Garden ecological rainwater feeding and draining system | |
| CN104831599A (en) | Composite water storage-drainage eco-friendly floor | |
| CN103821217B (en) | Low-lying green space flow limiting facility for relieving small-watershed waterlogging disaster of city | |
| CN104499560A (en) | Combined rainwater seepage well and construction method | |
| Winston et al. | Hydrologic performance of a permeable pavement and stormwater harvesting treatment train stormwater control measure | |
| CN106088684B (en) | The sunk type square and its construction method that a kind of rainwater-collecting recycles | |
| CN204780521U (en) | Compound row water environmental protection ground of holding | |
| CN208501715U (en) | A kind of Rain Garden | |
| Johnson et al. | Ground movement in a moderately expansive soil subject to rainfall infiltration through pervious paving | |
| CN111501948A (en) | Rainwater collecting and processing system for roof of residential building | |
| CN106836243A (en) | A kind of sponge greenery patches of suitable mountain topography and its building method | |
| CN104145673B (en) | Based on water drainage and the integrated form greenbelt system of water conservation and water drainage and water-retaining method | |
| CN207469190U (en) | A kind of infitration galleries structure of efficient draining | |
| CN203905145U (en) | Low greenbelt flow limiting facility for relieving urban small watershed waterlogging disaster | |
| KR20140098583A (en) | Flood reduction and penetration for promoting the penetration type road system | |
| CN213539220U (en) | Simple device for improving infiltration capacity of poor-permeability soil moisture | |
| CN103999592A (en) | Method for avoiding vegetation degradation of acid mine waste rock yard | |
| JP6173370B2 (en) | Distributed water storage method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510060 Guangdong, Guangzhou City, East Central Road, Municipal Services Building, East staircase, No. 348 Patentee after: Guangzhou City Engineering Design studies total institute Address before: 510060 Guangdong, Guangzhou City, East Central Road, Municipal Services Building, East staircase, No. 348 Patentee before: Guangzhou Municipal Engineering Design and Research Institute |
|
| CP03 | Change of name, title or address |
Address after: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong, Yuexiu District Patentee after: Guangzhou municipal engineering design and Research Institute Co., Ltd. Address before: 510060 East staircase, Municipal Services Building, 348 East Ring Road, Guangzhou, Guangdong Patentee before: Guangzhou City Engineering Design studies total institute |
|
| CP03 | Change of name, title or address |