CN212641508U - City river course stereoplasm bank slope ecological transformation integrated configuration - Google Patents
City river course stereoplasm bank slope ecological transformation integrated configuration Download PDFInfo
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- CN212641508U CN212641508U CN202021147507.7U CN202021147507U CN212641508U CN 212641508 U CN212641508 U CN 212641508U CN 202021147507 U CN202021147507 U CN 202021147507U CN 212641508 U CN212641508 U CN 212641508U
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- retaining wall
- steel bar
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- concrete
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- 230000009466 transformation Effects 0.000 title description 6
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 40
- 239000002689 soil Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000002787 reinforcement Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 8
- 239000011362 coarse particle Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 2
- 239000011574 phosphorus Substances 0.000 abstract description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 240000001398 Typha domingensis Species 0.000 description 1
- 241001123263 Zostera Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Abstract
The utility model discloses an ecological reconstruction combination structure of a hard bank slope of an urban river, which comprises a concrete retaining wall and backfilled soil, wherein the concrete retaining wall is arranged at the inner side of a river bank; a reinforcing mesh which is the same as the external structure shape of the concrete wall is arranged in the concrete wall, the reinforcing mesh comprises a first vertical reinforcing steel bar and a second vertical reinforcing steel bar which are arranged in parallel, a bottom horizontal reinforcing steel bar, an oblique short reinforcing steel bar and an oblique long reinforcing steel bar, and a downward convex anti-skidding part is arranged at the joint of the oblique long reinforcing steel bar and the horizontal reinforcing steel bar; backfilling soil in the retaining wall to plant specific emergent aquatic plants and submerged plants, and constructing a concrete ecological retaining wall; building reinforced concrete retaining walls at the sections of the water flow torrent river; and building a section of drainage hole ecological retaining wall at a certain distance from the concrete ecological retaining wall. The utility model provides an ecological integrated configuration that reforms transform of city river course stereoplasm bank slope can reduce the content of pollutants such as river course water nitrogen, phosphorus, forms healthy bank area ecosystem, can be applicable to the river course again and erode for a long time.
Description
Technical Field
The utility model relates to an ecological integrated configuration that reforms transform of city river stereoplasm bank slope belongs to ecological environment and reforms transform technical field.
Background
The hard river channel is a river channel with functions of maintaining the river channel by building masonry bricks or reinforced concrete revetments, and the revetments are hard in materials, compact in structure and impermeable, so that the flood control requirement can be met. But because the bank protection is complete, stable, the stereoplasm bank protection is difficult by the morals and manners for bank slope plant roots can't be pricked root, does not have vegetation, leads to some ecological problems. The hard bank slope prevents water from infiltrating and groundwater from being supplied; the flow rate of the hard riverway is high, and water resources cannot be fully utilized; the hard bank slope is not provided with a filtering barrier, pollutants directly flow into a water body through surface runoff to form pollution, and a river bed needs to be desilted at regular time; the basic form of the river is changed, and the biodiversity is reduced; the hard bank slope enables the water body to be directly irradiated by sunlight, the water temperature is greatly changed along with the direct irradiation of the sunlight, and the ecological system of the water body is damaged; the hard bank slope reduces the hydrophilicity of the river channel, and is not beneficial to the physical and mental health of residents.
The transformation of the hard bank slope generally adopts the technologies of vegetation cover, vertical greening revetment of a planting pond, holing and backfilling of the bank slope, ecological retaining walls and the like. Wherein, ecological retaining wall is an ecological environmental protection, has the view function concurrently, prevents soil erosion and water loss's retaining wall, compares with traditional retaining wall, and the comprehensive benefit is higher. The ecological retaining wall technology is that a concrete retaining wall is poured on the existing hard riverbank side, soil is filled in a gap between the retaining wall and the riverbank, the height of the soil is lower than that of the retaining wall, plants are planted in the soil, the requirement of riverway landscape is met, the water environment is improved, and the technology is wide in application range, economical and practical. At present, urban riverways are generally built on a whole line and are hard bank slopes. However, the terrain conditions of part of the river channels are complex, and the stability of the ecological retaining wall structure is easily affected by long-time scouring.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, overcome prior art's defect, provide a retaining wall stable in structure, can be applicable to the city river course stereoplasm bank slope ecological transformation integrated configuration that the river course erodeed for a long time.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides an ecological integrated configuration that reforms transform of city river course stereoplasm bank slope, is including setting up the concrete retaining wall in river course embankment inboard, be provided with backfill soil between concrete retaining wall and the river course embankment, be provided with the reinforcing bar net the same with its external structure shape in the concrete retaining wall, the reinforcing bar net includes first vertical reinforcing bar and the second vertical reinforcing bar of parallel arrangement, the below of first vertical reinforcing bar and second vertical reinforcing bar is provided with the horizontal reinforcement, even there is the slant short steel bar between the one end that the horizontal reinforcement kept away from the river course embankment and the second vertical reinforcing bar, even there is the slant long reinforcement between the one end that the horizontal reinforcement is close to the river course embankment and the second vertical reinforcing bar, the slant long reinforcement and the horizontal reinforcement junction is provided with bellied antiskid portion downwards.
The height of backfill soil between the concrete retaining wall and the river bank is smaller than that of the concrete retaining wall, and the backfill soil in the wall is used for planting emergent aquatic plants and submerged plants.
At the places with water flow turbulence, such as curved river sections, reinforcement and widening are needed in the design of concrete ecological retaining walls. The end of the long oblique steel bar and the upper end of the first vertical steel bar are connected with oblique reinforcing steel bars, the oblique reinforcing steel bars and the horizontal steel bars are connected with vertical reinforcing steel bars, and the oblique reinforcing steel bars and the second vertical steel bars are connected with transverse reinforcing steel bars.
And building a section of drainage hole ecological retaining wall at a certain distance from the concrete ecological retaining wall. The concrete retaining wall is provided with a downward inclined drainage hole, one side of the concrete retaining wall close to the river bank is provided with a rammed soil layer, and a coarse particle material filter layer is arranged in the rammed soil layer at the position of the drainage hole.
The coarse particle material filter layer includes a crushed stone layer or a gravel layer.
The diameter of the water drainage hole is 0.1-0.2 m.
The drainage holes are distributed along the vertical direction.
The utility model has the advantages that: the utility model provides a city river course stereoplasm bank slope ecological transformation integrated configuration, to the different hydrology and the geological feature of river course bank slope, select different retaining walls to carry out the technology of ecological transformation, combine the topography condition of river course, in the poor river reach of geological conditions, build stable in structure and lasting concrete retaining wall, and has designed the structure that has the antiskid on one side of concrete retaining wall bottom; at the turbulent water flow positions of a curved river section and the like, the reinforced concrete retaining wall is built by reinforcing and widening in the design of the concrete ecological retaining wall, so that the retaining wall is firmer; building a section of drainage hole ecological retaining wall at a certain distance from the concrete ecological retaining wall, so that the water inside and outside the retaining wall can be conveniently exchanged when the river water level is low; and covering the vicinity of the drainage hole with coarse particle materials such as gravels or gravels with a filtering function so as to avoid silting up the drainage hole, and ramming the soil close to the wall side in the ecological retaining wall of the drainage hole in layers in order to prevent the filtering layer from sinking and dislocating with the drainage hole.
Drawings
FIG. 1 is a schematic structural view of a concrete retaining wall according to the present invention;
FIG. 2 is a schematic structural view of a reinforced concrete retaining wall according to the present invention;
fig. 3 is a schematic structural view of the ecological retaining wall of the middle river bank of the present invention;
fig. 4 is the utility model discloses well outlet retaining wall's schematic structure view.
The reference numbers in the figures are as follows: 1-a first vertical rebar; 2-a second vertical reinforcement; 3-oblique short reinforcing steel bars; 4-horizontal steel bars; 5-oblique long steel bars; 6-oblique reinforcing steel bars; 7-vertical reinforcing steel bars; 8-transverse reinforcing steel bars; 9-concrete retaining wall; 10-backfilling soil; 11-river bank; 12-a water drainage hole; and 13-tamping the soil layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the following embodiments are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 3, the utility model discloses an ecological integrated configuration that reforms transform of city river course stereoplasm bank slope, including setting up at the inboard concrete retaining wall 9 of river course embankment 11, be provided with backfill soil 10 between concrete retaining wall 9 and the river course embankment 11, backfill soil 10 highly be less than concrete retaining wall 9's height. Soil is filled in the wall, specific emergent aquatic plants and submerged plants are planted to construct the concrete ecological retaining wall, the content of pollutants such as nitrogen and phosphorus can be reduced, the plant diversity and the hydrophilicity of a river channel can be increased, a healthy riparian zone ecological system is formed, and the landscape of the river channel is attractive. The emergent aquatic plants mainly adopt grassleaf sweelflag rhizome, cattail, reed and the like; the submerged plants mainly adopt golden fish algae, eel grass, watermifoil and the like.
As shown in fig. 1, the concrete retaining wall 9 includes a concrete wall, a reinforcing mesh which is the same as the external structural shape of the concrete wall is arranged in the concrete wall, the reinforcing mesh includes a first vertical reinforcing bar 1 and a second vertical reinforcing bar 2 which are arranged in parallel, a horizontal reinforcing bar 4 is arranged below the first vertical reinforcing bar 1 and the second vertical reinforcing bar 2, an oblique short reinforcing bar 3 is connected between one end of the horizontal reinforcing bar 4 far away from the river bank 11 and the second vertical reinforcing bar 2, an oblique long reinforcing bar 5 is connected between one end of the horizontal reinforcing bar 4 close to the river bank 11 and the second vertical reinforcing bar 2, a downward convex anti-slip part is arranged at the joint of the oblique long reinforcing bar 5 and the horizontal reinforcing bar 4, and the concrete retaining wall 9 can be prevented from slipping due to the arrangement of the anti-slip part. The concrete retaining wall is suitable for river reach with poor geological conditions.
As shown in fig. 2, reinforcement and widening are used in the design of concrete ecological retaining walls at the turbulent part of water flow such as a curved river section. Even there is slant reinforcing bar 6 between the tip of slant long reinforcement 5 and the upper end of first vertical reinforcement 1, even has vertical reinforcing bar 7 between slant reinforcing bar 6 and the horizontal reinforcement 4, even has horizontal reinforcing bar 8 between slant reinforcing bar 6 and the second vertical reinforcement 2.
As shown in fig. 4, a section of the ecological retaining wall with the drainage holes is built at a certain distance from the concrete ecological retaining wall, so that the water inside and outside the retaining wall can be conveniently exchanged when the water level of the river is low. The concrete retaining wall 9 is provided with inclined downward drainage holes 12, the drainage holes 12 are distributed along the vertical direction, and the diameter of each drainage hole 12 is 0.1-0.2 m. One side of the concrete retaining wall 9 close to the river bank 11 is provided with a rammed soil layer 13, and a coarse particle material filter layer is arranged in the rammed soil layer 13 at the position of the drain hole 12. The coarse material filter layer includes a crushed or gravel layer to prevent fouling of the drainage openings. In order to prevent the filter layer from sinking and dislocating with the drain hole 12, the soil in the ecological retaining wall of the drain hole close to one side of the wall is tamped layer by layer.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides an ecological integrated configuration that reforms transform of city river course stereoplasm bank slope which characterized in that: comprises a concrete retaining wall (9) arranged at the inner side of a river bank (11), backfilled soil (10) is arranged between the concrete retaining wall (9) and the river bank (11), a reinforcing mesh with the same shape as the external structure is arranged in the concrete retaining wall (9), the reinforcing mesh comprises a first vertical reinforcing steel bar (1) and a second vertical reinforcing steel bar (2) which are arranged in parallel, horizontal steel bars (4) are arranged below the first vertical steel bars (1) and the second vertical steel bars (2), oblique short steel bars (3) are connected between one end of the horizontal steel bar (4) far away from the river bank (11) and the second vertical steel bar (2), an oblique long steel bar (5) is connected between one end of the horizontal steel bar (4) close to the river bank (11) and the second vertical steel bar (2), the joint of the oblique long steel bar (5) and the horizontal steel bar (4) is provided with a downward convex anti-slip part.
2. The ecological reconstruction combination structure of the hard bank slope of the urban river according to claim 1, characterized in that: the height of backfill soil (10) between the concrete retaining wall (9) and the river bank (11) is smaller than that of the concrete retaining wall (9), and the backfill soil (10) in the wall is used for planting emergent aquatic plants and submerged plants.
3. The ecological reconstruction combination structure of the hard bank slope of the urban river according to claim 1, characterized in that: the tip of slant long reinforcement (5) with even there is slant reinforcing bar (6) between the upper end of first vertical reinforcing bar (1), slant reinforcing bar (6) with even there is vertical reinforcing bar (7) between horizontal reinforcement (4), slant reinforcing bar (6) with even there is horizontal reinforcing bar (8) between second vertical reinforcing bar (2).
4. The ecological reconstruction combination structure of the hard bank slope of the urban river according to claim 1, characterized in that: the concrete retaining wall (9) is provided with a downward inclined drainage hole (12), one side of the concrete retaining wall (9) close to the river bank (11) is provided with a rammed soil layer (13), and a coarse particle material filter layer is arranged in the rammed soil layer (13) at the position of the drainage hole (12).
5. The ecological reconstruction combination structure of the hard bank slope of the urban river according to claim 4, wherein: the coarse particle material filter layer includes a crushed stone layer or a gravel layer.
6. The ecological reconstruction combination structure of the hard bank slope of the urban river according to claim 4, wherein: the diameter of the water drainage hole (12) is 0.1-0.2 m.
7. The ecological reconstruction combination structure of the hard bank slope of the urban river according to claim 4, wherein: the drainage holes (12) are distributed along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147507.7U CN212641508U (en) | 2020-06-19 | 2020-06-19 | City river course stereoplasm bank slope ecological transformation integrated configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021147507.7U CN212641508U (en) | 2020-06-19 | 2020-06-19 | City river course stereoplasm bank slope ecological transformation integrated configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212641508U true CN212641508U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021147507.7U Active CN212641508U (en) | 2020-06-19 | 2020-06-19 | City river course stereoplasm bank slope ecological transformation integrated configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212641508U (en) |
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2020
- 2020-06-19 CN CN202021147507.7U patent/CN212641508U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing University of Engineering Science Park Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980036185 Denomination of utility model: A Combined Structure for Ecological Transformation of Hard Bank Slopes in Urban Rivers Granted publication date: 20210302 License type: Common License Record date: 20230606 |
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| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Nanjing University of Engineering Science Park Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980036185 Date of cancellation: 20240301 |