CN210151667U - A seepage prevention structure for city river course - Google Patents
A seepage prevention structure for city river course Download PDFInfo
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- CN210151667U CN210151667U CN201920823418.0U CN201920823418U CN210151667U CN 210151667 U CN210151667 U CN 210151667U CN 201920823418 U CN201920823418 U CN 201920823418U CN 210151667 U CN210151667 U CN 210151667U
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Abstract
The utility model relates to an anti-seepage structure for city river course, include the river course and be located the bank protection of river course both sides department, the river course includes the riverbed stratum basale, the clay barrier layer has been laid to the top of riverbed stratum basale, the inside of bank protection is stretched into respectively at the both ends that the clay barrier layer is close to river course both sides bank protection, the clay barrier layer stretches into the inside one end of bank protection and is provided with upwards stretch out and with clay barrier layer integrated into one piece's straight wall of clay, the top surface of the straight wall of clay is higher than the surface of water of the river of setting for in the river course. The utility model discloses have and do benefit to ecological exchange and reach the effect that the river course prevention of seepage required simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the technique of water utilities engineering and specifically relates to a seepage prevention structure for city river course is related to.
Background
Along with the continuous development of modern cities, the demand of people on the grade of the cities is higher and higher, greening and water systems are more and more key for improving the grade of the cities, and for the cities with relative shortage of water resources, building landscape lakes, landscape reservoirs and the like by utilizing urban rivers become indispensable components for city development. Therefore, the urban river treatment is usually required to be performed with anti-seepage treatment under the precondition of meeting flood discharge, so that an anti-seepage structure form with strong adaptive deformation capability, good anti-seepage effect and strong anti-scouring capability is required to be selected under the condition of moving water in the urban river.
At present, most urban river seepage-proofing structures are commonly used for preventing seepage by using concrete slabs or geotextiles, the seepage-proofing construction of the concrete slabs is complex and high in cost, cracks are easy to generate due to the influence of temperature, and meanwhile, the water body and the underground water body are completely isolated due to the concrete slabs and the geotextiles, so that ecological exchange is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevention of seepage structure for city river course, it has the effect that does benefit to ecological exchange and reach river course prevention of seepage requirement simultaneously.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides an anti-seepage structure for city river course, includes the river course and is located the bank protection of river course both sides department, the river course includes the riverbed stratum basale, the clay barrier layer has been laid to the top on riverbed stratum basale, the inside of bank protection is stretched into respectively at the both ends that the clay barrier layer is close to river course both sides bank protection, the clay barrier layer stretches into the inside one end of bank protection and is provided with upwards stretch out and with the straight wall of clay barrier layer integrated into one piece, the top surface of the straight wall of clay is higher than the surface of water of the river of setting for in the river course.
By adopting the technical scheme, the clay is used as the impermeable layer of the river channel, so that the underground water and the river water can be connected; the clay impermeable layer extends into the revetment and a clay straight wall higher than the river water surface is arranged in the revetment, so that the collapse of the revetment caused by the river water permeating into the revetment is avoided; when the riverway basal layer is slightly deformed, the clay can be automatically healed under the action of the dead weight of the clay.
The utility model discloses further set up to: and aquatic plant growing areas are respectively arranged at positions above the clay impermeable layers and close to the revetments of the two banks.
Through adopting above-mentioned technical scheme, thereby place the clay barrier layer through the aquatic plant planting district and be close to the bank protection position and cause the loss of clay because of the reason that river water flows to lead to the bank protection bottom to cause collapsing of bank protection because of lacking the support.
The utility model discloses further set up to: one side that the slope protection was kept away from in aquatic plant planting district is provided with the protection slope of downward sloping.
Through adopting above-mentioned technical scheme, prevent the bank protection through setting up and support the aquatic plant planting district, avoid the aquatic plant to plant the condition that the district appears collapsing under the washing away of long-term river water.
The utility model discloses further set up to: the aquatic plant species plants including plant the soil layer and lay the ecological brick layer at planting soil layer top surface, ecological brick layer is laid by a plurality of ecological bricks that have the planting hole and is formed, has planted aquatic plant in the planting hole of ecological brick.
Through adopting above-mentioned technical scheme, adopt ecological brick layer to protect planting soil, avoid planting soil to lose because of the flow of river.
The utility model discloses further set up to: the cross section of the clay vertical wall is trapezoidal.
Through adopting above-mentioned technical scheme, be convenient for to the compaction of the straight wall of clay, ensure the compactness of the straight wall of clay, simultaneously because the trapezium structure, make two walls of the straight wall of clay be the inclined plane of slope, make the straight wall of clay be difficult for appearing empting or damaging.
The utility model discloses further set up to: the thickness of the clay impermeable layer is not less than 800 mm.
By adopting the technical scheme, the anti-seepage effect of the clay anti-seepage layer is ensured.
The utility model discloses further set up to: the clay impermeable layer has a cohesive soil compaction greater than 95%.
By adopting the technical scheme, the clay on the surface of the clay impermeable layer is not easy to wash away along with water flow.
The utility model discloses further set up to: and a protective layer consisting of stones is arranged on the surface of the clay impermeable layer.
Through adopting above-mentioned technical scheme, protect the clay barrier layer, avoid it because of rivers run off, the protective layer comprises the stone simultaneously, and the gap between the stone can not influence the flow of water.
To sum up, the utility model discloses a beneficial technological effect does:
1. the clay is used as an impermeable layer of the river channel, so that the underground water can be connected with the river water; the clay impermeable layer extends into the revetment and a clay straight wall higher than the river water surface is arranged in the revetment, so that the collapse of the revetment caused by the river water permeating into the revetment is avoided; when the riverway basal layer generates micro deformation, the clay can heal automatically under the action of self weight;
2. the cross section of the clay straight wall is trapezoidal, so that the clay straight wall is convenient to construct, and meanwhile, due to the trapezoidal structure, two wall surfaces of the clay straight wall are inclined planes, so that the clay straight wall is not easy to topple or damage;
3. an aquatic plant planting area is arranged at a position, close to a slope protection, of the clay impermeable layer, so that the position, close to the slope protection, of the clay impermeable layer is protected, and the clay at the position is prevented from flowing away along with water flow;
4. the protective layer is arranged on the upper layer of the clay impermeable layer, so that the clay impermeable layer is protected, and the clay impermeable layer is prevented from flowing away due to water flow.
Drawings
Fig. 1 is a schematic structural diagram of an urban river seepage-proofing structure.
In the figure, 1, river channel; 11. a bed floor; 12. a clay barrier layer; 13. a protective layer; 2. slope protection; 3. clay vertical walls; 4. an aquatic plant growing area; 41. planting a soil layer; 42. an ecological brick layer; 5. the slope protection is prevented.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an anti-seepage structure for city river course, include river course 1 and be located bank protection 2 on river course 1 both sides. The river channel 1 comprises a river bed base layer 11 and a clay impermeable layer 12 with the clay compactness of more than 95% and the thickness of not less than 800mm from bottom to top in sequence.
The both ends that clay barrier layer 12 is close to both sides bank protection 2 stretch into the inside of bank protection 2 respectively, and the position that clay barrier layer 12 stretched into the inside of bank protection 2 is provided with the clay straight wall 3 with 12 integrated into one piece of clay barrier layer, and the vertical upwards of the straight wall 3 of clay stretches out, and the top of the straight wall 3 of clay is higher than the surface of water of the river of setting for in the river course 1. The cross section of the clay vertical wall 3 is trapezoidal.
The ecological brick is characterized in that the ecological brick is positioned on the upper layer of the clay impermeable layer 12, the position of the clay impermeable layer 12 close to the revetment 2 at the two banks is provided with an aquatic plant planting area 4, the aquatic plant planting area 4 comprises a planting soil layer 41 positioned on the lower layer and an ecological brick layer 42 paved on the top end surface of the planting soil layer 41, and the ecological brick layer 42 is formed by continuously stacking a plurality of rectangular ecological bricks with planting holes. The aquatic plants are planted in the planting holes of the ecological bricks.
One side of the aquatic plant planting area 4, which is far away from the revetment 2, is provided with a protection slope 5 which inclines downwards, and the protection slope 5 is integrally formed with a planting soil layer. Thereby avoid the condition that the aquatic plant growing area appears collapsing because of the flow of river through the protection slope 5.
Between two aquatic plant planting areas 4, the protective layer 13 that comprises the stone is laid to the upper strata of clay barrier layer 12, passes through protective layer 13 to river in the river course is when flowing, and the clay of clay barrier layer 12 is difficult for taking away.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an anti-seepage structure for city river course, includes river course (1) and is located bank protection (2) of river course (1) both sides department, river course (1) includes riverbed stratum basale (11), its characterized in that: the river bed is characterized in that a clay impermeable layer (12) is laid above the river bed base layer (11), two ends, close to the river channel (1) and the two banks of the revetment (2), of the clay impermeable layer (12) respectively extend into the revetment (2), one end, extending into the revetment (2), of the clay impermeable layer (12) is provided with a clay straight wall (3) which extends upwards and is integrally formed with the clay impermeable layer (12), and the top end surface of the clay straight wall (3) is higher than the water surface of river water set in the river channel (1).
2. The seepage-proofing structure for the urban river according to claim 1, wherein: and aquatic plant growing areas (4) are respectively arranged at positions, close to the two bank revetments (2), above the clay impermeable layers (12).
3. An impermeable structure for urban watercourses according to claim 2, characterised in that: one side of the aquatic plant growing area (4) far away from the revetment (2) is provided with a protection slope (5) which inclines downwards.
4. An impermeable structure for urban watercourses according to claim 2, characterised in that: the aquatic plant species plants including planting soil layer (41) and lay ecological brick layer (42) at planting soil layer (41) top surface, ecological brick layer (42) are laid by a plurality of ecological bricks that have the planting hole and are formed, plant aquatic plant in the planting hole of ecological brick.
5. The seepage-proofing structure for the urban river according to claim 1, wherein: the cross section of the clay vertical wall (3) is trapezoidal.
6. The seepage-proofing structure for the urban river according to claim 1, wherein: the thickness of the clay impermeable layer (12) is not less than 800 mm.
7. The seepage-proofing structure for the urban river according to claim 1, wherein: the clay impermeable layer (12) has a cohesive soil compaction greater than 95%.
8. The seepage-proofing structure for the urban river according to claim 1, wherein: the surface of the clay impermeable layer (12) is provided with a protective layer (13) consisting of stones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823418.0U CN210151667U (en) | 2019-06-01 | 2019-06-01 | A seepage prevention structure for city river course |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823418.0U CN210151667U (en) | 2019-06-01 | 2019-06-01 | A seepage prevention structure for city river course |
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| CN210151667U true CN210151667U (en) | 2020-03-17 |
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| CN201920823418.0U Active CN210151667U (en) | 2019-06-01 | 2019-06-01 | A seepage prevention structure for city river course |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851395A (en) * | 2020-07-29 | 2020-10-30 | 重庆地质矿产研究院 | Deep water ecological weir pond |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851395A (en) * | 2020-07-29 | 2020-10-30 | 重庆地质矿产研究院 | Deep water ecological weir pond |
| CN111851395B (en) * | 2020-07-29 | 2021-08-27 | 重庆地质矿产研究院 | Deep water ecological weir pond |
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