CN209975469U - Ecological embankment slope of city river - Google Patents
Ecological embankment slope of city river Download PDFInfo
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- CN209975469U CN209975469U CN201920573926.8U CN201920573926U CN209975469U CN 209975469 U CN209975469 U CN 209975469U CN 201920573926 U CN201920573926 U CN 201920573926U CN 209975469 U CN209975469 U CN 209975469U
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Abstract
The utility model discloses an ecological embankment slope of an urban river, which comprises an embankment slope, wherein a water storage channel is arranged below the upstream surface of the embankment slope, a water outlet is arranged on one side of the water storage channel facing the river, and a sewage intercepting mechanism is arranged between the water storage channel and the river; and water guide channels are arranged below the back water surface of the embankment slope, longitudinal drainage channels for connecting the top of the embankment slope and the water guide channels are uniformly distributed on the back water surface, and a vegetation planting area is arranged between every two adjacent longitudinal drainage channels. The utility model has good landscape and effectively improves the ecological environment at both sides of the river; meanwhile, rainwater can be prevented from directly flowing into the river channel, and river channel pollution is reduced; in addition, the seepage guiding effect on the downstream side of the embankment slope is good, and the leakage of a river channel is effectively avoided.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field, concretely relates to ecological embankment slope in city river course.
Background
Along with the development of social economy and the improvement of the living standard of people, the urbanization process is accelerated continuously, and the importance of urban water environment is more and more prominent. The urban river is not only a main carrier in urban hydraulic engineering, but also a main constituent element in urban water environment and water ecology, and the ecological environment directly influences the ecological civilization construction of the whole city.
Traditional river regulation engineering is leading to flood control drainage, considers less to the aspect of urban water ecological environment, leads to current embankment slope to have following problem:
1. the existing embankment slope mostly adopts a complete concrete structure, and the original ecological environment at two sides of the river channel is destroyed;
2. the existing concrete bank slope rainwater directly flows into the river channel from the upstream face, and the rainwater flowing into the river channel contains a large amount of pollutants, so that the river channel is seriously polluted;
3. the existing embankment slope only guides the flow through the soil ditches on the backwater side, and the seepage guiding effect is poor.
Therefore, it is necessary to develop an ecological embankment slope for urban river.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an urban river ecological embankment slope which has good landscape and effectively improves the ecological environment at the two sides of the river; meanwhile, rainwater can be prevented from directly flowing into the river channel, and river channel pollution is reduced; in addition, the seepage guiding effect on the downstream side of the embankment slope is good, and the leakage of a river channel is effectively avoided.
In order to realize the purpose, the technical scheme of the utility model is that:
an ecological embankment slope for an urban river comprises an embankment slope, wherein a water storage channel is arranged below the upstream surface of the embankment slope, a water outlet is formed in one side, facing the river, of the water storage channel, and a sewage interception mechanism is arranged between the water storage channel and the river; and water guide channels are arranged below the back water surface of the embankment slope, longitudinal drainage channels for connecting the top of the embankment slope and the water guide channels are uniformly distributed on the back water surface, and a vegetation planting area is arranged between every two adjacent longitudinal drainage channels.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model arranges the water storage channel below the upstream surface of the embankment slope for water storage, the water storage channel is connected with the river channel through the sewage interception mechanism, and the sewage interception mechanism can effectively treat runoff rainwater, thereby preventing a large amount of pollutants from directly discharging into the river channel and reducing the pollution to the river channel;
2. the utility model discloses the dyke slope surface of a river is equipped with vertical drainage canal, is equipped with vegetation planting district between the vertical drainage canal, and is ecological pleasing to the eye to can effectively be with water liquid water conservancy diversion to water guide canal.
Furthermore, the sewage interception mechanism is an up-flow subsurface constructed wetland.
By adopting the scheme, the subsurface flow type artificial wetland is used as the sewage interception mechanism, so that the treatment effect is ensured, the urban water environment is greatly improved, and the ecology is attractive.
Furthermore, the upstream subsurface flow constructed wetland comprises a first impermeable layer, an impermeable protective layer, an ecological packing layer and an aquatic plant layer from bottom to top in sequence, a water outlet of the water storage channel is connected with a water distribution pipe, the water distribution pipe is inserted into the ecological packing layer, and the surface of the water distribution pipe is uniformly provided with water distribution holes.
Through adopting above-mentioned scheme, the drainage of retaining canal discharges into the river course again after ecological packing layer adsorbs and the processing on aquatic plant layer, cuts dirty effectual.
Furthermore, the surface of the back of the dike slope is evenly provided with an inclined drainage channel used for being connected with the longitudinal drainage channel, the side wall of the inclined drainage channel is provided with an opening corresponding to the vegetation planting area, and the opening is used for irrigation of the vegetation planting area and overflow of redundant water liquid in the vegetation planting area.
By adopting the scheme, the longitudinal drainage channels are communicated one by one through the inclined drainage channels, the inclined drainage channels are provided with the openings communicated with the vegetation planting areas, water in the drainage channels can flow into the vegetation planting areas from the openings to supply water to the vegetation, and when the water in the vegetation planting areas is too much, the water can also flow into the inclined drainage channels from the openings and finally is guided to the water guide channels to be drained away, so that the normal growth of the vegetation is ensured; in addition, the inclined drainage channels and the longitudinal drainage channels can also enrich the arrangement of the vegetation planting area on the back surface, and the landscape is good.
Furthermore, a water leakage hole is formed in the bottom of the water guide channel, sand-free concrete is arranged in the water leakage hole, and a second impermeable layer is arranged below the water guide channel.
Through adopting above-mentioned scheme, the hole that emits is used for the drainage decompression, guarantees slope protection stable in structure.
Furthermore, the second impermeable layer comprises a geomembrane, a coarse sand layer and a gravel layer which are sequentially arranged from bottom to top.
Through adopting above-mentioned scheme, the inside seepage of aqueduct is prevented to the geomembrane, and coarse sand layer and rubble layer are used for protecting the geomembrane.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of a backside surface according to an embodiment of the present invention.
Shown in the figure:
1. a water-facing surface;
2. a water storage channel; 201. a water outlet; 202. a water distribution pipe;
3. an up-flow subsurface constructed wetland; 301. a first barrier layer; 302. an impermeable protective layer; 303. an ecological packing layer; 304. an aquatic plant layer;
4. a water-backed surface; 401. a longitudinal drainage channel; 402. an inclined drainage channel; 4021. an opening; 403. a vegetation planting area;
5. a water guide channel; 501. water leakage holes; 502. non-sand concrete; 503. a geomembrane; 504. a coarse sand layer; 505. and (4) a crushed stone layer.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-2, the ecological embankment slope for an urban river provided by this embodiment includes an embankment slope.
A water storage channel 2 is arranged below the upstream surface 1 of the embankment slope, a water outlet 201 is arranged on one side of the water storage channel 2 facing the river channel, and a sewage interception mechanism is arranged between the water storage channel 2 and the river channel.
The sewage interception mechanism is an upstream subsurface flow constructed wetland 3, and the upstream subsurface flow constructed wetland 3 sequentially comprises a first impermeable layer 301, an impermeable protective layer 302, an ecological filler layer 303 and an aquatic plant layer 304 from bottom to top.
Wherein the first impermeable layer 301 adopts an HDPE impermeable membrane, the impermeable protective layer 302 is coarse sand, and the ecological filler layer 303 is made of ceramsite; the aquatic plant layer 304 is planted with cress, Leersia hexandra, duckweed, water lily, lotus and the like.
The water outlet 201 of the water storage channel 2 is connected with a water distribution pipe 202, the water distribution pipe 202 is inserted into the ecological packing layer 303, and the surface of the water distribution pipe 202 is uniformly provided with water distribution holes.
The up-flow subsurface constructed wetland 3 is used as a sewage interception mechanism, so that the treatment effect is ensured, the urban water environment is greatly improved, and the ecology is attractive; the drainage of the water storage channel 2 is absorbed by the ecological packing layer 303 and treated by the aquatic plant layer 304 and then discharged into the river channel, and the sewage interception effect is good.
The back water surface 4 of the embankment slope is also uniformly provided with inclined drainage channels 402 used for connecting the longitudinal drainage channels 401, the side walls of the inclined drainage channels 402 are provided with openings 4021 corresponding to the vegetation planting areas 403, and the openings 4021 are used for irrigation of the vegetation planting areas 403 and overflow of redundant water liquid in the vegetation planting areas 403.
The inclined drainage channels 402 are used for communicating the longitudinal drainage channels 401 one by one, meanwhile, the inclined drainage channels 402 are provided with openings 4021 communicated with the vegetation planting areas 403, water in the drainage channels can flow into the vegetation planting areas 403 from the openings 4021 to supply water to the vegetation, and when the water in the vegetation planting areas 403 is excessive, the water can also flow into the inclined drainage channels 402 from the openings 4021 and finally is guided to the water guide channels 5 to be drained away, so that the normal growth of the vegetation is ensured; in addition, the inclined drainage channels 402 and the longitudinal drainage channels 401 can enrich the arrangement of the vegetation planting areas 403 of the back water surface 4, and the landscape is good.
A water leakage hole 501 is formed in the bottom of the water guide channel 5, sand-free concrete 502 is arranged in the water leakage hole 501, and a second impermeable layer is arranged below the water guide channel 5; the second impermeable layer comprises a geomembrane 503, a coarse sand layer 504 and a gravel layer 505 which are arranged from bottom to top in sequence.
The thickness of the coarse sand layer 504 is 5cm, and the thickness of the gravel layer 505 is 3 cm.
The water leakage holes 501 are used for draining water and reducing pressure to ensure the stable slope protection structure; the geomembrane 503 prevents the inside of the water guide 5 from leaking, and the coarse sand layer 504 and the gravel layer 505 serve to protect the geomembrane 503.
In the embodiment, the water storage channel 2 is arranged below the upstream surface 1 of the embankment slope for storing water, and the water storage channel 2 is connected with the river channel through the upstream subsurface flow type artificial wetland 3, so that runoff rainwater can be effectively treated, a large amount of pollutants are prevented from being directly discharged into the river channel, and the pollution to the river channel is reduced;
the slope surface 4 of the dike of this embodiment is provided with the longitudinal drainage channel 401 and the oblique drainage channel 402 connecting the longitudinal drainage channel 401, and the vegetation planting area 403 is arranged between the longitudinal drainage channels 401, so that the ecological appearance is attractive, and the water can be effectively guided to the water guide channel 5.
The side wall of the inclined drainage channel 402 is provided with an opening 4021, which can ensure water supply and overflow of the vegetation planting area 403, thereby ensuring normal growth of vegetation.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. An ecological embankment slope for an urban river channel is characterized by comprising an embankment slope, wherein a water storage channel is arranged below the upstream surface of the embankment slope, a water outlet is formed in one side, facing the river channel, of the water storage channel, and a sewage interception mechanism is arranged between the water storage channel and the river channel; and water guide channels are arranged below the back water surface of the embankment slope, longitudinal drainage channels for connecting the top of the embankment slope and the water guide channels are uniformly distributed on the back water surface, and a vegetation planting area is arranged between every two adjacent longitudinal drainage channels.
2. The ecological embankment slope for urban riverways according to claim 1, wherein the sewage interception mechanism is an up-flow subsurface constructed wetland.
3. The ecological embankment slope for urban riverways according to claim 2, wherein the upstream subsurface constructed wetland comprises a first impermeable layer, an impermeable protective layer, an ecological packing layer and an aquatic plant layer from bottom to top in sequence, a water outlet of the water storage channel is connected with a water distribution pipe, the water distribution pipe is inserted into the ecological packing layer, and water distribution holes are uniformly formed in the surface of the water distribution pipe.
4. The ecological embankment slope for urban rivers according to claim 1, wherein the back surface of the embankment slope is uniformly provided with inclined drainage channels for connecting the longitudinal drainage channels, the side walls of the inclined drainage channels are provided with openings corresponding to the vegetation planting areas, and the openings are used for irrigation of the vegetation planting areas and overflow of redundant water in the vegetation planting areas.
5. The ecological embankment slope for urban riverways according to claim 1, wherein the bottom of the water guide channel is provided with a water leakage hole, the water leakage hole is filled with sand-free concrete, and a second impermeable layer is arranged below the water guide channel.
6. The ecological embankment slope for urban riverways according to claim 5, wherein the second impermeable layer comprises a geomembrane, a coarse sand layer and a gravel layer which are arranged from bottom to top in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573926.8U CN209975469U (en) | 2019-04-24 | 2019-04-24 | Ecological embankment slope of city river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573926.8U CN209975469U (en) | 2019-04-24 | 2019-04-24 | Ecological embankment slope of city river |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209975469U true CN209975469U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920573926.8U Expired - Fee Related CN209975469U (en) | 2019-04-24 | 2019-04-24 | Ecological embankment slope of city river |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209975469U (en) |
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2019
- 2019-04-24 CN CN201920573926.8U patent/CN209975469U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| 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: 20200121 |