CN213867615U - Ecological overflow dam - Google Patents
Ecological overflow dam Download PDFInfo
- Publication number
- CN213867615U CN213867615U CN202022532493.7U CN202022532493U CN213867615U CN 213867615 U CN213867615 U CN 213867615U CN 202022532493 U CN202022532493 U CN 202022532493U CN 213867615 U CN213867615 U CN 213867615U
- Authority
- CN
- China
- Prior art keywords
- overflow dam
- ecological
- layer
- permeable
- river
- 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.)
- Active
Links
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses an ecological overflow dam, which comprises a cushion layer positioned at the bottom of a river and a permeable overflow dam positioned in a river water body, wherein the permeable overflow dam comprises a gabion mesh, stones are filled in the gabion mesh, and a cement plaster is arranged between the two sides of the permeable overflow dam and a river bank; an ecological blanket is arranged above the permeable overflow dam, and the ecological blanket sequentially comprises a composite fiber fabric layer, a reverse filtering layer, a grass seed and fertilizer layer and a degradable fiber layer from top to bottom. The stone cage grids of the utility model are filled with stones, which can effectively intercept, filter and purify the pollutants in the water body; the ecological blanket is arranged above the water-permeable overflow dam, so that the anti-scouring capability of the river channel is improved, and plants in the ecological blanket have the effects of restoring water bodies and greening and beautifying.
Description
Technical Field
The utility model relates to an ecological overflow dam belongs to ecological engineering technical field.
Background
The existing overflow dam is a solid dam which is mainly constructed by concrete or masonry stone and used for storing or raising water level, the existing overflow dam mainly has the main function of meeting the requirements of irrigation, water supply, landscape environment and the like by intercepting upstream incoming water and storing or raising the water level, when the flood arrives, a large amount of flood overflows from the dam and is discharged to the downstream, and the existing overflow dam is a typical hydraulic engineering. The overflow dam has obvious effects on river water quantity regulation and water level raising, but has little effects on intercepting and filtering pollutants in water, and has very limited capability of purifying pollutants in river water.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art's defect, provide an ecological overflow dam, can hold back effectively, filter and purify the pollutant in the water, restore the water.
In order to solve the technical problem, the utility model provides an ecological overflow dam, including the bed course that is located the river bottom and the overflow dam that permeates water that is located the river course water, the overflow dam that permeates water includes the gabion net, the gabion net intussuseption is filled with the stone, it is plastered to be equipped with cement between the river bank and the overflow dam both sides that permeate water; an ecological blanket is arranged above the permeable overflow dam, and the ecological blanket sequentially comprises a composite fiber fabric layer, a reverse filtering layer, a grass seed and fertilizer layer and a degradable fiber layer from top to bottom.
Preferably, the cushion layer comprises a gravel cushion layer and a concrete cushion layer, and the concrete cushion layer is positioned at the upper part of the gravel cushion layer.
Preferably, the thickness of the gravel cushion layer is 300-400mm, and the thickness of the concrete cushion layer is 150-200 mm.
Preferably, the aperture of the gabion mesh is 60 x 80mm, the gabion mesh is a steel wire mesh, and the wire diameter of the steel wire mesh is 2-4 mm.
Preferably, the particle size of the stone is 100-250 mm.
Preferably, the surface of the ecological blanket is covered with 20-40mm of soil.
Preferably, the ecological blanket and the gabion mesh are fixed through steel wires.
Preferably, the thickness of the ecological blanket is 15-20 mm.
Preferably, the thickness of the cement plaster is 20-30 mm.
The utility model discloses the beneficial effect who reaches: stones are filled in the gabion meshes, so that pollutants in the water body can be effectively intercepted, filtered and purified; the ecological blanket is arranged above the water-permeable overflow dam, so that the anti-scouring capability of the river channel is improved, and plants in the ecological blanket have the effects of restoring water bodies and greening and beautifying.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating 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, the ecological overflow dam comprises a cushion layer positioned at the bottom of a river and a permeable overflow dam positioned in a river water body, wherein the cushion layer comprises a gravel cushion layer 1 and a concrete cushion layer 2, and the concrete cushion layer 2 is positioned on the upper portion of the gravel cushion layer 1. The thickness of the gravel cushion layer 1 is 400mm and the thickness of the concrete cushion layer 2 is 200mm and 300 mm.
The permeable overflow dam comprises gabion grids 3, stones 4 are filled in the gabion grids 3, the aperture of each gabion grid 3 is 60 x 80mm, each gabion grid 3 is a steel wire mesh, and the wire diameter of each steel wire mesh is 2-4 mm. The particle size of the stone blocks 4 is 100-250mm, and the type of the stone blocks 4 is hard rock block stones or pebbles above MU 30. The filling of the stone blocks 4 must be simultaneously and uniformly put the filling stone blocks 4 into each grid of the same layer, and the single grid cannot be filled at one time; in filling construction, the feeding thickness of each layer is controlled to be about 33cm, and feeding is generally divided into 3-4 times for grids with the height of 1 m; considering the settlement of the filling material, the general top filling stone material should be properly 2-3cm higher than the gabion and must be dense, and the gaps should be filled with proper small crushed stones to increase the volume weight of the gabion.
And a cement plaster 5 is arranged between the two sides of the permeable overflow dam and the river bank, and the thickness of the cement plaster 5 is 20-30mm, so that the gabion grids 3 are fixed with the river bank, and the stability of the permeable overflow dam is enhanced.
An ecological blanket 6 is arranged above the permeable overflow dam, and the ecological blanket 6 and the gabion grids 3 are fixed through steel wires. The steel wires tightly bound with the gabion grids 3 are reserved before the ecological blanket 6 is laid, and the ecological blanket 6 is laid on the gabion dam and fixed by the reserved steel wires. The ecological blanket 6 sequentially comprises a composite fiber fabric layer, a reverse filtering layer, a grass seed and fertilizer layer and a degradable fiber layer from top to bottom, wherein the composite fiber fabric layer is made of polyester mesh fabric material; the inverted filter layer is made of filament geotextile; the fertilizer in the grass seed and fertilizer layer is a compound fertilizer; the degradable fiber layer is made of polypropylene fiber materials. The thickness of the ecological blanket 6 is 15-20 mm. The surface of the ecological blanket 6 is covered with 20-40mm soil so as to fix the root system of the plant and promote the growth of the plant.
The stone cage grids of the utility model are filled with stones, which can effectively intercept, filter and purify the pollutants in the water body; the ecological blanket is arranged above the water-permeable overflow dam, so that the anti-scouring capability of the river channel is improved, and plants in the ecological blanket have the effects of restoring water bodies and greening and beautifying.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (9)
1. The ecological overflow dam is characterized by comprising a cushion layer positioned at the bottom of a river and a water-permeable overflow dam positioned in a river water body, wherein the water-permeable overflow dam comprises gabion grids (3), stones (4) are filled in the gabion grids (3), and cement plaster surfaces (5) are arranged between the two sides of the water-permeable overflow dam and a river bank; an ecological blanket (6) is arranged above the permeable overflow dam, and the ecological blanket (6) sequentially comprises a composite fiber fabric layer, a reverse filtering layer, a grass seed and fertilizer layer and a degradable fiber layer from top to bottom.
2. An ecological overflow dam according to claim 1, characterized in that the bedding comprises a gravel bedding (1) and a concrete bedding (2), the concrete bedding (2) being located on top of the gravel bedding (1).
3. The ecological overflow dam as claimed in claim 2, wherein the thickness of the gravel cushion layer (1) is 400mm and the thickness of the concrete cushion layer (2) is 200mm and 300 mm.
4. An ecological overflow dam as claimed in claim 1, characterized in that the diameter of the gabion mesh (3) is 60 x 80mm, the gabion mesh (3) is a steel wire mesh, and the diameter of the steel wire mesh is 2-4 mm.
5. An ecological overflow dam as claimed in claim 1, wherein the particle size of said stone block (4) is 100-250 mm.
6. The ecological overflow dam of claim 1, characterized in that the ecological blanket (6) is covered with soil 20-40 mm.
7. Ecological overflow dam according to claim 1, characterized in that the ecological blanket (6) is fixed to the gabion mesh (3) by steel wires.
8. Ecological overflow dam according to claim 1, characterized in that the ecological blanket (6) has a thickness of 15-20 mm.
9. An ecological overflow dam according to claim 1, characterised in that the thickness of the cementitious surface (5) is 20-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532493.7U CN213867615U (en) | 2020-11-05 | 2020-11-05 | Ecological overflow dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022532493.7U CN213867615U (en) | 2020-11-05 | 2020-11-05 | Ecological overflow dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213867615U true CN213867615U (en) | 2021-08-03 |
Family
ID=77052686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022532493.7U Active CN213867615U (en) | 2020-11-05 | 2020-11-05 | Ecological overflow dam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213867615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117364711A (en) * | 2023-11-29 | 2024-01-09 | 中国科学院西北生态环境资源研究院 | Ecological permeable dike of hydraulic engineering and ecological water system |
-
2020
- 2020-11-05 CN CN202022532493.7U patent/CN213867615U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117364711A (en) * | 2023-11-29 | 2024-01-09 | 中国科学院西北生态环境资源研究院 | Ecological permeable dike of hydraulic engineering and ecological water system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108640409B (en) | Combined ecological bank protection and construction method thereof | |
| CN103132485A (en) | External water interception and purification type urban river multi-element ecological embankment physical structural system | |
| CN208563250U (en) | A kind of river channel ecology shore protection | |
| CN101775789A (en) | Method for river course slope protection by using composite stream constructed wetlands | |
| CN108585212A (en) | A kind of gabion construction method of drowned flow artificial wet land | |
| CN209643420U (en) | Function composite rainwater flower bed and the rainwater energy-dissipation purification system for using this flower bed | |
| CN211972073U (en) | Urban ecological river cross section | |
| CN108547254A (en) | A kind of river channel ecology shore protection and its construction method | |
| CN213867615U (en) | Ecological overflow dam | |
| CN105672201A (en) | Ecological revetment and construction method thereof | |
| CN206051685U (en) | A kind of ecological intercepting system for preventing pollutant diffusion in mine or Polluted area | |
| CN113402120A (en) | Ecological interception system of agricultural non-point source pollution | |
| CN210559648U (en) | Step multi-section undercurrent artificial wet land treating pool | |
| CN209873714U (en) | River bank protection structure for urban mountain area | |
| CN108166448B (en) | Revetment for treating river bank non-point source pollution | |
| CN208413993U (en) | A kind of water purification system for the relatively slow river of water flow | |
| CN109629510A (en) | A kind of ecological revetment system and its method of construction | |
| CN214657144U (en) | Novel ecological bank protection suitable for northwest loess plateau area | |
| CN210946842U (en) | Grid beam slope protection device for initial dam of tailing pond | |
| CN209429039U (en) | A kind of ecological revetment with bank pollution of area source purification function | |
| CN209227626U (en) | A kind of heavy metal pollution Tailings Dam governing system | |
| CN208088232U (en) | Administer the shore protection of riverbank pollution of area source | |
| CN216999551U (en) | Ecological bank protection that quality of water purified | |
| CN209989145U (en) | Ecological permeable dam suitable for mountain area small watershed river course quality of water intensification purifies | |
| CN110002670A (en) | A method of suitable for the synchronous restoration of the ecosystem of Mountain river cities and towns section waterfront |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |