CN203729429U - Sunken lawn - Google Patents
Sunken lawn Download PDFInfo
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- CN203729429U CN203729429U CN201420080985.9U CN201420080985U CN203729429U CN 203729429 U CN203729429 U CN 203729429U CN 201420080985 U CN201420080985 U CN 201420080985U CN 203729429 U CN203729429 U CN 203729429U
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- greenery patches
- concave type
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- patches
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Abstract
The utility model relates to a sunken lawn arranged on a slope and planted with sunken lawn plants. The sunken lawn comprises at least one sunken lawn zone, at least one high elevation zone is arranged in each sunken lawn zone, and high elevation plants are planted in each high elevation zone so as to block water from flowing downwards along the slop. By the sunken lawn, rainwater can neither be retained on a certain lawn on a gentle slope with certain gradient for a long time to cause damage to the plants nor discharged into rivers quickly, so that the rainwater and the like can play a good role in purification.
Description
Technical field
The utility model relates to a kind of setting up concave type greenery patches, particularly a kind of up concave type greenery patches based on pollution reduction on the slope.
Background technology
Monsoon climatic region, Southeast Asia, subtropical zone gentleness is moistening, and air mass is obviously movable, is subject to the impact of tropical cyclone flood season, and strong convective weather is occurred frequently, and every flood season, city waterlogging took place frequently.
In down town, little, the drainage of urban space transformation difficulty is large and depend merely under the background that engineering measure cannot effectively solve rain flood problem in flood season, except the engineering measure of rain flood management, also can adopt the measure of some non-engineerings to carry out the management of rain flood.For example, when running into rainfall, the drainage system in city can collect rainwater, by drainage pump, rainwater is entered in river, if but running into extra torrential rain, large and duration of rainfall is long time, can make freshwater line exceed warning value, probably cause river to pour in down a chimney, if can allow the time lag of the rainwater that enters Ha Noi, can alleviate to a certain extent city waterlogging situation.
Known Germany adopts MR system, claims (puddles of water) infiltration trench combined system to solve the problem of alleviating city waterlogging again.This measure is to store and long term storage in infitration galleries extends the rainwater infiltration time in inks a middle or short term by rainwater, ensures to allow the rainwater of volume ooze down.In addition, be equipped with Prefabricated combined septic tank at German avenue inlet for stom water, the pollutant carrying to tackle rainfall runoff.In addition, a large amount of permeable pavement materials in city, have also been used, to reduce runoff.If city railway track is main mainly with low-lying greenery patches or terron along the line; Many pavements are laid and are formed with the pitching of meticulously arranging and water-permeable brick; In tree pond with coverings such as the bark that loosens, wood chip, rubble, hollow out metal cover boards.Have infiltration shallow ridges in many communities along drain, surface is covered with vegetation.Some runoff rainwater of mating formation from roof and inevitable non-infiltration enters rain penetration pipe (ditch), and the rainwater that exceedes penetrating power enters stormwater tank or artificial swamp, oozes as water scenery or under continuing.Compared with the drainage system of this open drainage system and traditional sealing, reduced peak flood flow, flow velocity and the runoff volume in downstream, pollutant is filtered, supplement underground water, reduce the pressure of downstream drainage system, also can increase the diversity of plant simultaneously, improved the ecological environment.Rain zero discharge has even been realized in some community.A kind of typical German rain penetration exemplary system figure referring to Fig. 1.
In addition, in many cities of China, also progressively promoted up concave type greenery patches at present, it is the special greenery patches of a kind of structure, and its elevation is lower than road surface, but in establish elevation lower than road surface but higher than the inlet for stom water in greenery patches.The rainfall runoffs such as surrounding road/roofing can be collected in up concave type greenery patches, and early stage, runoff permeated the ground, and later stage runoff is accumulated in greenery patches, exceed greenery patches and hold the runoff that oozes capacity and enter urban drainage pipe network via inlet for stom water.The up concave type greenery patches rainwater that can slow down at heavy rain and daily time is drained into the speed in river, and can reduce the pollutant in water, cuts down pollution of area source.For example, as shown in Figure 2A and 2B, some city adopts dividing strip by quadrifid roadway design, and wherein, quadri greenbelt amounts to three, is respectively central greenbelt and both sides greenbelt, and its elevation is all higher than road surface elevation.Greenbelt both sides arrange road kerb, and road kerb generally exceeds roadway edge 10-20 centimetre, and its effect is by separated by dividing strip to motor vehicle and bicycle and pedestrian, vehicle and pedestrian is taken their own roads, to ensure that road has the higher traffic capacity.Meanwhile, also play the rainwater that collects, guides runway and sidewalk and flow into inlet for stom water along vertical disconnected direction, prevent that rainwater from entering greenbelt and affect road surface and stablize.
Routine known again, in Centred Landscaping district, Olympic Green, be provided with 37.7 ten thousand square metres, tree battle array greening up concave type greenery patches.456 millimeters of Olympic Games center amount of precipitations, rainwater volume of comprehensive utilization 40.2 ten thousand steres, comprehensive utilization ratio is up to 98%.Practice shows, up concave type greenery patches has certain effect cutting down to pollute, control aspect runoff, thereby has application foundation more widely future.
Utility model content
The technical problem solving
Although having certain effect aspect reduction pollution, control runoff, for existing up concave type greenery patches, still there are many problems in above-mentioned prior art.
For example, every flood season, city waterlogging took place frequently, and in the up concave type greenery patches of now building on level land, can accumulate a large amount of ponding, and plant is immersed in water for a long time, exceed the scope that plant itself can be born, can have a negative impact and Afforestation Landscape damages to its vital movement.
Again for example, thereby avoid rainwater to accumulate in greenery patches, making plant long period of soaking if make up concave type greenery patches be provided with the gradient, can aggravate on the one hand the continuous rises such as river, weaken on the other hand the ability of greenery patches absorption rain flood in flood season, make the effect in up concave type greenery patches can not get performance.
Again for example, pollutant component complexity in rainwater or river now, and current up concave type greenery patches is just limited to rainwater and evolves at the less area in up concave type greenery patches flowing in disposing of sewage, floristics is more single, afforest also more singlely for the treatment effect of sewage, dispose of sewage and there is no specific aim.
Utility model object
The purpose of this utility model is to provide a kind of such up concave type greenery patches,, this up concave type greenery patches can allow rainwater on the gentle slope of certain slope, neither not be trapped in for a long time a certain greenery patches to cause plant impaired, can not enter rapidly korneforos, thereby can allow rainwater etc. play good catharsis yet.
The means of technical solution problem
The utility model provides a kind of up concave type greenery patches, this up concave type greenery patches arranges on the slope, and plant and be implanted with up concave type greenbelt plants, this up concave type greenery patches comprises at least one up concave type greenery patches section, in the section of each up concave type greenery patches, be provided with at least one Gao Shi greenery patches district, in the district of Gai Gaoshi greenery patches, plant and be implanted with high gesture greenbelt plants, flow downward along slope to hinder water.
Especially, the gradient on above-mentioned slope can be 10%-30%.
In addition, this up concave type greenery patches broad ways comprises multiple up concave types greenery patches section, between adjacent up concave type greenery patches section, be provided with high gesture greenery patches section, in the section of high gesture greenery patches, plant and be implanted with high gesture greenery patches, high gesture greenery patches section contributes to make water to flow to the up concave type greenery patches section that is positioned at section both sides, high gesture greenery patches after entering slope.
In addition, up concave type greenery patches is also provided with outfall, the height of this outfall is higher than the edaphic upper surface of up concave type greenery patches section and lower than the high gesture greenbelt plants of planting in the district of Gao Shi greenery patches, and this outfall is connected to the drainage pipe of the soil horizon below that is positioned at up concave type greenery patches.
Preferably, the soil horizon in Gao Shi greenery patches district exceeds 10-15 centimetre than the soil horizon of up concave type greenery patches section.
In some cases, the width of up concave type greenery patches section changes along gradient direction A.
Preferably, up concave type greenery patches section comprises along gradient direction spaced multiple Gao Shi greenery patches district in succession.
In addition, between high gesture greenery patches section and up concave type greenery patches section, can be additionally provided with permeable stone road.Particularly, the spacing between permeable stone road and Gao Shi greenery patches district is 0.3-0.5 rice.
More preferably, at least one Gao Shi greenery patches district is medially arranged in the section of up concave type greenery patches along the width B of up concave type greenery patches section, so that current are roundabout mobile downwards along slope
In addition, the plant for different disposal object is planted in this up concave type greenery patches in zones of different, and carry out rain water purification subregion, processes multiple pollutant in rainwater.
Utility model effect
On the one hand, south flood season excessive rainwater can be alleviated for the impact of greenbelt plants in up concave type of the present utility model greenery patches.Meanwhile, this up concave type greenery patches can also conserve space, increases can the flow through area in greenery patches of unit volume sewage, has improved purification efficiency.
On the other hand, utilize up concave type greenery patches to purify different pollutants in subregion, strengthen the specific aim of greenery patches for rainwater processing, obtain better clean-up effect.In addition, high gesture greenery patches combines with up concave type greenery patches, has increased the stereovision in greenery patches, more attractive in appearance.
Other side, feature and advantage will be clear from specification, drawings and the claims.
Brief description of the drawings
Introduce in further detail the utility model referring to accompanying drawing, in the accompanying drawings:
Fig. 1 is the schematic diagram of rain penetration system of the prior art;
Fig. 2 A and 2B are the schematic diagrames of the greenbelt of rain flood of the prior art integrated management;
Fig. 3 is according to the front view in up concave type of the present utility model greenery patches;
Fig. 4 cutd open according to the sectional view of the up concave type greenery patches section in up concave type of the present utility model greenery patches along direction A; And
Fig. 5 cutd open according to the sectional view of the high gesture greenery patches section in up concave type of the present utility model greenery patches along direction A.
Detailed description of the invention
Up concave type of the present utility model greenery patches is arranged on a slope, the gradient on this slope is preferably 10%-30%, particularly 20%-30%, so that water can be via in inflow river course, up concave type greenery patches etc., instead of is trapped in this up concave type greenery patches, and then greenbelt plants is caused damage.For example, can utilize domatic landform or their substrate of appropriate reconstruction around of river bank, limit, pond, community landscape water body to build above-mentioned gentle slope.
In Fig. 3, be expressed as from top to bottom the direction that water declines along the gradient, hereinafter referred to gradient direction A.In the text, will flow through the vertical direction of the direction of the gradient and be defined as the width B in up concave type greenery patches with water.
This up concave type greenery patches comprises at least one up concave type greenery patches section 3.Preferably, as shown in Figure 3, this up concave type greenery patches comprises multiple multiple up concave types greenery patches sections 3 that in succession arrange along up concave type greenery patches width B.Particularly, these up concave type greenery patches sections almost parallel extension each other.But they also can be for example radial mode and extend along gradient direction A.
In up concave type greenery patches section 3, can be provided with at least one Gao Shi greenery patches district 7.For example, in, shown in Figure 4, be provided with the up concave type greenery patches section 3 in the multiple Gao Shi greenery patches district 7 arranging along gradient direction A.In the time that water flows into greenery patches, Gao Shi greenery patches district 7 block water in up concave type greenery patches section 3 flow downward along slope.In other words, in water does not directly for example flow to river course along the gradient fast, but hindered in flow process, make water can too promptly not flow to the object in river course along the gradient to reach.Thus, the obstruction that this Gao Shi greenery patches district 7 forms can increase the distance of current through up concave type greenery patches section 3, greatly increases the milliosmolarity descended of water, improves greenery patches buffering efficiency, delays to import the time in river course, plays the effect that river sharp rises that postpones.In addition, because the flowing time of water in whole up concave type greenery patches lengthens, extended the time through greenery patches, this shunting can also more effectively be cut down the pollution in water by greenbelt plants.
In the time that whole up concave type greenery patches is provided with more than one up concave type greenery patches section 3, between adjacent up concave type greenery patches section 3 also can between be provided with high gesture greenery patches section 5, preferably make whole up concave type greenery patches broad ways be distributed with successively up concave type greenery patches section 3 and high gesture greenery patches section 5, purify different pollutants thereby reach subregion, increase the object of greenery patches stereovision.Simultaneously, the water that flows into high gesture greenery patches section is because physical features difference also can be tended to downward concave green belt section 3 and flows,, by water, concave green belt section 5 is mobile downwards targetedly, thereby the flowing time of water in whole up concave type greenery patches further lengthened, also can play the effect of polluting of more effectively cutting down.For example, in some cases, it can be 10-15 centimetre that the soil horizon in high gesture greenery patches section 5 or Gao Shi greenery patches district 7 exceeds up concave type greenery patches section 3.
In addition, up concave type greenery patches section 3 is not limited to the strip and block shown in figure, also can be preferably cranky shape according to actual conditions, and the width of up concave type greenery patches section changes along gradient direction A, to make water flow path more roundabout.For example, up concave type greenery patches section 3 is provided with along the gradient direction A successively interleaved larger region of width and width compared with zonule.In some cases, the width place of the part that comprises Gao Shi greenery patches district of up concave type greenery patches section is larger than the width at part place that does not comprise Gao Shi greenery patches district at it.Particularly, position by Gao Shi greenery patches district 7 in up concave type greenery patches section 3 is arranged so that all water must walk around Gao Shi greenery patches district 7 in section 3 processes of up concave type greenery patches at least in part flowing through along gradient direction,, there is no that water can unimpededly directly flow in river course along gradient direction, thereby construct quite roundabout path, the efficiency that improve greenery patches purifying rainwater, drinks up the rain.For example, Gao Shi greenery patches district 7 medially can be arranged in up concave type greenery patches section 3 along the width of up concave type greenery patches section 3, hinder to realize the plan effect that water flows through.In the utility model, all water refers to all water substantially of not considering the loss water causing due to extra factor, the water for example having been absorbed by greenery patches, a small amount of water being absorbed by Gao Shi greenery patches district or flowing through the water that evaporates in the process of up concave type greenery patches all not in this range of definition.For example, in the case of in the width major part in Gao Shi greenery patches district is arranged on up concave type greenery patches section, the width in Gao Shi greenery patches district is greater than the width of the width smaller portions of up concave type greenery patches section.
The overall extension form of up concave type greenery patches section 3 is not limited to parallel with gradient direction A, that is, also can with gradient direction A at an angle.Alternatively, also can angledly extend on the border of the up concave type greenery patches section 3 being surrounded by high gesture greenery patches section 5, thereby limit up concave type wide variety, for example convergent greenery patches section.Particularly, above-mentioned Gao Shi greenery patches district 7 is preferably disposed in the region that width in up concave type greenery patches section 3 is larger, but is also not limited to this.In some cases, Gao Shi greenery patches district 7 can separate 0.3-0.5 rice with high gesture greenery patches section 5 around.
As shown in Figure 3, preferably, between up concave type greenery patches section 3 and high gesture greenery patches section 5, be also additionally provided with and be preferably permeable stone road 6 and form.These permeable stone roads 6 can be used for the water drainage in up concave type greenery patches, also can be used as the road of the daily walking leisure of people simultaneously.
This up concave type greenery patches is also provided with outfall 1, the height of these outfall is higher than the edaphic upper surface of up concave type greenery patches section, and lower than the high gesture greenbelt plants of planting in the district of Gao Shi greenery patches, to can rapidly unnecessary water be discharged in running into torrential rain.As shown in Fig. 4 or 5, under the soil in up concave type greenery patches, be laid with many drainage pipes 10, aforementioned outfall 1 can be connected to drainage pipe 10, so that water flows into river course or urban sewerage and drainage system via drainage pipe.
In up concave type greenery patches section 3, can plant and be implanted with up concave type greenbelt plants, such as ridge grass, dewdrop grass etc.In Gao Shi greenery patches district in high gesture greenery patches section or up concave type greenery patches section, can plant and be implanted with high gesture greenbelt plants, such as shrub, arbor etc., thus the stereovision in increase greenery patches makes more create an aesthetic feeling of greenery patches.
It is additionally noted that, it is rainwater that inflow is not limited to according to the water in up concave type of the present utility model greenery patches district, but can come from any on affecting the water source of urban sewerage and drainage.
It will be apparent to those skilled in the art that and can in the utility model, make various modifications and variations and not depart from spirit or scope of the present utility model.Therefore, the utility model is intended to contain its any remodeling and modification, as long as they drop in the scope of claims and equivalent thereof.
Reference numerals list
1 outfall
2 up concave type greenbelt plants
3 up concave type greenery patches sections
4 high gesture greenbelt plants
5 high gesture greenery patches sections
6 permeable stone roads
Gao Shi greenery patches district in 7 up concave type greenery patchess
The high gesture greenbelt plants in 8 inside, up concave type greenery patchess
9 high gesture soil of greenbelt layers
10 drainage pipes
Claims (10)
1. a up concave type greenery patches, described up concave type greenery patches arranges on the slope and plants and is implanted with up concave type greenbelt plants, described up concave type greenery patches comprises at least one up concave type greenery patches section (3), it is characterized in that, in the section of each up concave type greenery patches, be provided with at least one Gao Shi greenery patches district (7), in the district of described Gao Shi greenery patches, plant and be implanted with high gesture greenbelt plants, flow downward along described slope to hinder water.
2. up concave type as claimed in claim 1 greenery patches, is characterized in that, the gradient on described slope is 10%-30%.
3. up concave type as claimed in claim 1 greenery patches, it is characterized in that, described up concave type greenery patches broad ways (B) comprises multiple up concave types greenery patches section, between adjacent up concave type greenery patches section, be provided with high gesture greenery patches section (5), in the section of described high gesture greenery patches, plant and be implanted with high gesture greenery patches, described high gesture greenery patches section contributes to make water to flow to the described up concave type greenery patches section that is positioned at section both sides, described high gesture greenery patches after entering described slope.
4. up concave type as claimed in claim 1 greenery patches, it is characterized in that, also be provided with outfall, the height of described outfall is higher than the edaphic upper surface of described up concave type greenery patches section and lower than the high gesture greenbelt plants of planting in the district of described Gao Shi greenery patches, and described outfall is connected to the drainage pipe of the soil horizon below that is positioned at described up concave type greenery patches.
5. up concave type as claimed in claim 1 greenery patches, is characterized in that, the soil horizon in described Gao Shi greenery patches district exceeds 10-15 centimetre than the soil horizon of described up concave type greenery patches section.
6. up concave type as claimed in claim 1 greenery patches, is characterized in that, the width of described up concave type greenery patches section changes along gradient direction (A).
7. up concave type as claimed in claim 1 greenery patches, is characterized in that, described up concave type greenery patches section comprises along gradient direction spaced multiple Gao Shi greenery patches district in succession.
8. up concave type as claimed in claim 1 greenery patches, is characterized in that, between described high gesture greenery patches section and described up concave type greenery patches section, is additionally provided with permeable stone road.
9. up concave type as claimed in claim 8 greenery patches, is characterized in that, the spacing between described permeable stone road and described Gao Shi greenery patches district is 0.3-0.5 rice.
10. up concave type as claimed in claim 1 greenery patches, it is characterized in that, described at least one Gao Shi greenery patches district is medially arranged in the section of described up concave type greenery patches along the width (B) of described up concave type greenery patches section, so that current are roundabout mobile downwards along slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080985.9U CN203729429U (en) | 2014-02-25 | 2014-02-25 | Sunken lawn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080985.9U CN203729429U (en) | 2014-02-25 | 2014-02-25 | Sunken lawn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203729429U true CN203729429U (en) | 2014-07-23 |
Family
ID=51199513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080985.9U Expired - Fee Related CN203729429U (en) | 2014-02-25 | 2014-02-25 | Sunken lawn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203729429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798657A (en) * | 2015-04-23 | 2015-07-29 | 北京市园林科学研究院 | Tree pool and construction method thereof |
| CN105544343A (en) * | 2015-12-05 | 2016-05-04 | 华中科技大学 | Source rainwater purification and storage system based on low impact development and installation method |
-
2014
- 2014-02-25 CN CN201420080985.9U patent/CN203729429U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798657A (en) * | 2015-04-23 | 2015-07-29 | 北京市园林科学研究院 | Tree pool and construction method thereof |
| CN104798657B (en) * | 2015-04-23 | 2017-07-21 | 北京市园林科学研究院 | One kind tree pond and its method of construction |
| CN105544343A (en) * | 2015-12-05 | 2016-05-04 | 华中科技大学 | Source rainwater purification and storage system based on low impact development and installation method |
| CN105544343B (en) * | 2015-12-05 | 2018-02-23 | 华中科技大学 | It is a kind of that system and installation method are saved based on the low source rainwater purification for influenceing exploitation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20200225 |