CN211446781U - River course ecological revetment - Google Patents
River course ecological revetment Download PDFInfo
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- CN211446781U CN211446781U CN201922099157.5U CN201922099157U CN211446781U CN 211446781 U CN211446781 U CN 211446781U CN 201922099157 U CN201922099157 U CN 201922099157U CN 211446781 U CN211446781 U CN 211446781U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to the technical field of environmental protection, and discloses a river channel ecological revetment, which comprises a disposal area, a drainage component and a transition area; the disposal area comprises a first slope, a groove and a first retaining wall which are sequentially arranged along the side slope of the river course; a first containing area is formed among the first slope, the groove and the first retaining wall, and a first impermeable layer, a first adsorption filter layer, a first permeable layer and an anti-skid layer are sequentially paved at the bottom of the first containing area from bottom to top; one end of the drainage assembly is located in the first adsorption and filtration layer, the other end of the drainage assembly is located in the first containing area, a second adsorption and filtration layer and a second permeable layer are sequentially paved on one side, close to the first containing area, of the first retaining wall, and a bottom mud layer is filled in the first containing area. The beneficial effects are that: the dredged sediment is used as a river bank protection material after being treated on site and is used as a plant and microorganism growth base, so that the resource utilization of the dredged sediment is realized.
Description
Technical Field
The utility model relates to an environmental protection technology field, concretely relates to ecological revetment in river course.
Background
With the continuous development of industry, the stealing, leaking and substandard discharge of a large amount of industrial wastewater and the direct discharge of domestic sewage cause the black and odorous water body of a river channel to be serious, and the utilization of water resources and the life health of human beings are seriously influenced.
The river and lake bottom mud contains a large amount of cohesive soil, organic matters, nutrient salts, refractory substances and the like, and pollutants deposited in the bottom mud are released to a water body under the complex actions of physics, chemistry, biology and the like, so that an aquatic ecosystem is damaged. Aiming at removing the polluted bottom mud of rivers and lakes, at present, mechanical excavation is mainly adopted, and then the polluted bottom mud is conveyed to a temporary storage yard for further dehydration and drying, and is treated by adding medicaments, or is buried, or is recycled. However, the transportation process of the dredged sediment has high cost and is easy to cause secondary pollution, and meanwhile, the land resources are wasted due to large dredging amount of the sediment, difficult drying, difficult treatment and disposal, large occupied area, long time consumption and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the deficiencies of the prior art, providing a river course ecological bank protection of sediment is dredged to the river course rational in infrastructure, effectively utilizing.
The purpose of the utility model is realized through the following technical scheme: a river channel ecological revetment comprises a disposal area, a drainage assembly and a transition area; the disposal area comprises a first slope, a groove and a first retaining wall which are sequentially arranged along the side slope of the river course; a first containing area is formed among the first slope, the groove and the first retaining wall, and a first impermeable layer, a first adsorption filter layer, a first permeable layer and an anti-skid layer are sequentially laid at the bottom of the first containing area from bottom to top; one end of the drainage assembly is located in the first adsorption and filtration layer, the other end of the drainage assembly is located in the first containing area, the second adsorption and filtration layer and the second permeable layer are sequentially paved on one side, close to the first containing area, of the first retaining wall, a bottom mud layer is filled in the first containing area, a first vegetation layer is planted on the bottom mud layer, and the transition area is located on one side, far away from the first containing area, of the first retaining wall.
Further, the transition zone comprises a second slope, a second impermeable layer and a second retaining wall; the second slope is located one side that first barricade kept away from first district that holds, the surface on second slope is laid to the second barrier layer, the second barricade is installed in the bottom on second slope, first barricade, second slope and second are kept off and form the second between the wall and hold the district, the second is held the district and is filled there is the third adsorption and filtration layer, plant the second vegetable layer on the third adsorption and filtration layer.
Further, the particle size of the third adsorption and filtration layer in the second containing area is reduced from top to bottom in sequence.
Further, the drainage assembly comprises a first drainage pipe and a second drainage pipe, the first drainage pipe is provided with a plurality of water permeable holes which are uniformly distributed, the first drainage pipe is uniformly distributed in the first adsorption filter layer along the length direction of the river channel, the second drainage pipe is positioned in the first containing area and is vertically connected with the first drainage pipe, and the second drainage pipe is uniformly distributed along the length direction of the first drainage pipe.
Further, the opening end of the second drain pipe is 0.5-1cm higher than the bottom mud layer, and the top end of the second drain pipe is provided with a filter cover.
Further, the cross section of the groove is in a right trapezoid shape, the inclined side face of the groove is connected with the first slope, and the depth of the groove is 30-50 cm.
Further, the gradient of the first slope is 15-50 degrees.
Further, the gradient of the second slope is 15-50 degrees.
Further, handle district still includes the escape canal, the escape canal is located the top of slope department on first slope, the filter layer has been laid to the escape canal, the escape canal and first absorption filter layer intercommunication.
Furthermore, the first adsorption filter layer is an ecological gabion filled with filter materials, and the top end of the first adsorption filter layer is located at the bottom of the drainage ditch and fixed through a fixing pile.
A construction method of ecological bank protection of a river channel comprises the following steps:
s101, mechanically cutting a river channel side slope, excavating a drainage ditch at the top of a first slope, excavating a groove at the bottom of the first slope, compacting the processed first slope, groove and second slope by using a soil compactor, installing a first retaining wall at the top of the second slope, and installing a second retaining wall at the bottom of the second slope;
s102, sequentially laying a first impermeable layer, a first adsorption filter layer, a first permeable layer and an anti-skid layer on the bottom of a first slope and a groove from bottom to top, wherein the top end of the first adsorption filter layer is arranged at the bottom of the drainage ditch and is fixed by a fixing pile, sequentially laying a second adsorption filter layer and a second permeable layer on one side of a first retaining wall close to the groove, laying a first drainage pipe in the first adsorption filter layer along the length direction of a river channel, and mounting a second drainage pipe vertically connected with the first drainage pipe;
s103, filling bottom mud in the first slope and the groove in a layered mode, wherein the thickness of each layer is 5-20cm, the time interval is 2-7 days, the height of the bottom mud filled in the first slope is 15-30cm, and the height of the bottom mud filled in the groove is 50-80 cm;
s104, paving a second impermeable layer and a third adsorption filtration layer on the bottom of the second slope from bottom to top in sequence;
s105, laying a filter layer communicated with the first adsorption filter layer on the drainage ditch;
s106, planting vegetation on the bottom sediment layer and the third adsorption and filtration layer.
Compared with the prior art, the utility model have following advantage:
1. the river ecological revetment constructs a sediment natural dehydration field along a river slope, dredged sediment is directly treated on site, no additional medicament is needed for treatment, and transportation cost and land occupation are reduced. This river course ecological bank protection is maintained and is excavated the recess, can increase the sediment and deal with the volume on the spot. The first retaining wall can better support the dredging sludge in the disposal area so as to avoid landslide. Through setting up transition zone and second wall, reduced the impact of rivers to bank slope, increased bank slope soil and water conservation ability and bank slope stability. Vegetation is planted on the upper layers of the disposal area and the transition area, an ecological bank slope is constructed, microbial degradation and plant adsorption are combined, runoff pollutants are intercepted, and secondary pollution is reduced.
2. The first water discharge pipe and the second water discharge pipe are arranged on the ecological bank protection of the river channel, so that the water discharge speed can be increased, the bottom sediment stratification water is prevented from collapsing, and the ecological bank protection of the river channel can be used as a gas exchange pipe to promote the propagation of aerobic microorganisms; the existence of first adsorption filtration layer and second adsorption filtration layer not only provides the adsorption, also provides living space for the microorganism simultaneously, promotes the microbial degradation pollutant ability.
3. This ecological shore protection in river course sets up the escape canal at the top on first slope, can filter adsorbed layer, disposal area upper vegetation with the surface runoff through disposal area bottom, hold back to the transition region again, can realize the gradation, the multistage closure to the surface runoff.
4. The river ecological revetment treats the dredged sediment on site and uses the dredged sediment as a riverside revetment material and simultaneously serves as a plant and microorganism growth substrate, eliminates pollutants per se, constructs ecological revetment to intercept runoff pollutants, and realizes resource utilization of the dredged sediment.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a river ecological revetment according to the present invention;
fig. 2 shows a schematic structural view of the drainage assembly of the present invention;
in the figure, 11 is a treatment area; 111 is a drainage ditch; 112 is a first vegetation layer; 113 is a bottom mud layer; 114 is an anti-slip layer; 115 is a first water permeable layer; 116 is a first adsorption filtration layer; 117 is a first barrier layer; 118 is a first drain pipe; 1181 is a water permeable hole; 119 is a second water drainage pipe; 120 is a second water permeable layer; 121 is a second adsorption filtration layer; 122 is a first retaining wall; 123 is a fixing pile; 22 is a transition zone; 221 is a second vegetation layer; 222 is a third adsorption filtration layer; 223 is a second barrier layer; 224 is a second retaining wall; 3 is a first slope; 4 is a groove; and 5 is a second slope.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 shows a river ecological bank protection, which comprises a disposal area 11, a drainage assembly and a transition area 22; the disposal area 11 comprises a first slope 3, a groove 4 and a first retaining wall 122 which are arranged from top to bottom in sequence; a first containing area is formed among the first slope 3, the groove 4 and the first retaining wall 122, a first impermeable layer 117, a first adsorption and filtration layer 116, a first permeable layer 115 and an anti-skid layer 114 are sequentially laid at the bottom of the first containing area from bottom to top, one end of the drainage assembly is positioned in the first adsorption and filtration layer 116, the other end of the drainage assembly is positioned in the first containing area, a second adsorption and filtration layer 121 and a second permeable layer 120 are sequentially arranged on one side of the first retaining wall 122 close to the first containing area, a bottom mud layer 113 is filled in the first containing area, and a first vegetation layer 112 is planted on the bottom mud layer 113; the transition region 22 is located on a side of the first retaining wall 122 away from the first accommodation region. The ecological bank protection utilizes machinery to trim river and lake side slopes, digs out first slope 3 and recess 4, places the bed mud in it, constructs the contaminated bed mud and handles the district on site, can reduce the high cost that the transportation produced and land take up long-term shortcoming such as consuming time, combines biodegradable and plant absorption simultaneously, further eliminates river and lake bed mud pollutant, constructs ecological bank slope simultaneously and holds back the runoff pollutant, realizes bed mud utilization as a resource.
Wherein: the antiskid layer 114 can be made of gravels, construction waste and the like, has a particle size of 3-8cm, and is laid to a thickness of 5-10 cm. The bottom mud layer 113 can be filled for multiple times in a layered mode, the time interval of each layer is 2-7 days, and the thickness of each layer is 5-20 cm. The height of the bottom mud filled on the slope surface of the first slope 3 is 15-30cm, the height of the bottom mud filled on the groove is 50-80cm, the section of the groove 4 is in a right trapezoid shape, the inclined edge surface of the groove 4 is connected with the first slope 3, and the depth of the groove is 30-50 cm. The slope of the inclined side surface of the groove 4 is 30-75 degrees, and the slope of the inclined side surface of the groove 4 is larger than that of the first slope. The in-situ disposal of the substrate sludge can be increased by providing the recesses 4. The first vegetation layer 112 is turf. The first retaining wall 122 is provided with the second adsorption and filtration layer 121 and the second permeable layer 120 in sequence on the side close to the first containing area, so that the first retaining wall 122 can be effectively prevented from being corroded by pollutants in the bottom mud layer.
The transition zone 22 comprises a second slope 5, a second barrier 223 and a second barrier 224; the second slope 5 is located on one side of the first retaining wall 122 far away from the first accommodation area, the second impermeable layer 223 is laid on the surface of the second slope 5, the second retaining wall 224 is installed at the bottom end of the first slope 3, a second accommodation area is formed among the first retaining wall 122, the second slope 5 and the second retaining wall 224, the second accommodation area is filled with a third adsorption and filtration layer 222, and a second vegetation layer 221 is planted on the third adsorption and filtration layer 222. The width of the transition region 22 can be adjusted appropriately, and is typically 50-100 cm. The third adsorption and filtration layer 222 is an ecological gabion filled with fillers, the third adsorption and filtration layer 222 is multi-stage filtration, the fillers are filled from top to bottom in a layered mode, the particle size is from large to small, the upper part of the third adsorption and filtration layer can be broken stones, construction waste materials and the like, and the particle size is not larger than 5 cm; the middle and lower parts are ceramsite, volcanic rock, zeolite, active carbon, quartz sand and the like, and the particle size is not more than 2 cm. The second vegetation layer 221 is turf or shrub.
The first retaining wall 122 can be made of pine piles, willow piles, concrete piles and the like, the second retaining wall 224 can be made of cement piles to prevent water conservancy erosion corrosion, meanwhile, flooding-resistant trees which are easy to live such as willows, metasequoia and the like can be selected, and the first retaining wall 122 and the second retaining wall 224 are deeply dug to the underground for 2-3 m. The first barrier layer 117 and the second barrier layer 223 adopt impermeable geomembranes. First retaining wall 122 and second retaining wall 224 are both disposed along the length of the river bank.
The permeable capacity of the first permeable layer 115 is higher than that of the second permeable layer 120, and the second permeable layer 120 with weaker permeable capacity can properly prolong the retention time of sewage, thereby intercepting sewage and increasing the time for treating sewage by microorganisms in the first adsorption filtration layer and the second adsorption filtration layer. The first permeable layer and the second permeable layer can be made of permeable materials such as permeable geotextile with a gram weight of 100-2。
As shown in fig. 1 and 2, the drainage assembly includes a first drainage pipe 118 and a second drainage pipe 119, the first drainage pipe 118 is provided with a plurality of uniformly distributed water permeable holes 1181, the first drainage pipe 118 is uniformly distributed in the first adsorption filter layer 116 along the length direction of the river, the second drainage pipe 119 is positioned in the first accommodation region and is vertically connected to the first drainage pipe 118, and the second drainage pipe 119 is uniformly distributed along the length direction of the first drainage pipe 118. The first drainage pipes 118 are distributed at intervals of 100 and 200cm in the first adsorption filtration layer 116. Specifically, a first drain pipe 118 arranged transversely penetrates through the first adsorption filter layer 116, a second drain pipe 119 arranged longitudinally is vertically connected with the first drain pipe 118, the open end of the second drain pipe 119 is about 0.5-1cm higher than the bottom mud layer, and the top end of the second drain pipe is provided with a filter cover which is provided with a plurality of openings. The pipe diameter of the first drain pipe 118 is suitable for the ecological gabion which can pass through the first adsorption and filtration layer 116, the hole diameter on the first drain pipe 118 is 0.5-1cm, the pipe diameter of the second drain pipe is 5-10cm, and the interval between the second drain pipes is 100-300 cm. The first and second drain pipes 118 and 119 may utilize waste rainwater pipe material or the like. The gas exchange for the microorganisms in the first adsorption filtration layer 116 can be provided by providing the first and second drain pipes 118 and 119. The sewage in the drainage ditch 111 and the sediment layer 113 is intercepted by the first impermeable layer 117 and cannot directly permeate into the soil at the bottom of the disposal area, and the sewage is absorbed and degraded in the disposal area through the first vegetation layer 112, the first absorption filter layer 116 and the second absorption filter layer 121, and then slowly permeates into the transition area through the second permeable layer 120 and the first retaining wall 122. During rainfall, when the drainage amount in the drainage ditch is large, a part of rain season source sewage can enter a second drainage pipe 119 after passing through a filtering layer, a first adsorption filtering layer 116 and a first drainage pipe 118 in the drainage ditch, and then seep out to a transition region through a second permeable layer 120 and a first retaining wall 122; another part of the rainy season source sewage can flow into the river after flowing into the transition zone 22 through the first vegetation layer 112 of the disposal zone 11.
The gradient of the first slope 3 is 15-50 degrees. The gradient of the second slope 5 is 15-50 degrees. The relatively gentle slopes of the first slope 3 and the second slope 5 can reduce the pressure on the retaining wall and reduce the incidence of landslide at the same time.
The disposal area 11 further comprises a drainage ditch 111, the drainage ditch 111 is located at the top of the first slope 3, a filter layer is laid on the drainage ditch 111, and the drainage ditch 111 is communicated with the first adsorption filter layer 116. A drainage ditch 111 is arranged between the top of the disposal area 11 and the dam crest, and a filtering layer is paved at the bottom of the drainage ditch, wherein the filtering layer can be selected from gravels, porcelain granules, activated carbon and the like, the particle size is 1.5-3cm, and the thickness is 5-10 cm.
The first adsorption filter layer 116 is an ecological gabion filled with filter materials, and the top end of the first adsorption filter layer 116 is positioned at the bottom of the drainage ditch 111 and fixed through a fixing pile 123. With this arrangement, the stability of the first adsorption filter layer 116 can be improved, and the stability of the whole structure of the disposal area 11 can be ensured. The filter material in the first adsorption filter layer 116 at least comprises one or more of ceramsite, volcanic rock, zeolite, activated carbon, quartz sand and the like, the particle size is less than 1.5cm, and the laying thickness is 5-10 cm. The fixed pile 123 can be selected from a wooden pile, a steel column, a concrete column and the like, and is driven into the ground to a depth of 0.5-1 m. The second adsorption filtration layer 121 has the same composition as the first adsorption filtration layer 116. Microorganisms can be pre-added to both the first adsorption filtration layer 116 and the second adsorption filtration layer 121.
A construction method of ecological bank protection of a river channel comprises the following steps:
s101, mechanically cutting a river channel side slope, excavating a drainage ditch 111 at the top of a first slope 3, excavating a groove 4 at the bottom of the first slope 3, compacting the treated first slope 3, groove 4 and a second slope 5 by using a soil compactor, installing a first retaining wall 122 at the top of the second slope 5, and installing a second retaining wall 224 at the bottom of the second slope 5; the slopes of the first slope 3 and the second slope 5 are both 15-50 deg.. The width of the second slope 5 is 50-100cm above the normal water level of the riverway side slope, the width of the first slope 3 is preferably the maximum value obtained by subtracting the width of the second slope 5 from the width of the riverway side slope, the depth of the groove 4 is 30-50cm, and the width of the groove 4 is the same as the width of the first slope 3. A first accommodation area is formed among the first slope 3, the groove 4 and the second slope 5, and a second accommodation area is formed among the first retaining wall 122, the second slope 5 and the second retaining wall 224.
S102, a first impermeable layer 117, a first adsorption filtration layer 116, a first permeable layer 115 and an anti-slip layer 114 are sequentially laid at the bottoms of the first slope 3 and the groove 4 from bottom to top, the top end of the first adsorption filtration layer 116 is arranged at the bottom of the drainage ditch 111 and is fixed through a fixing pile 123, a second adsorption filtration layer 121 and a second permeable layer 120 are sequentially laid at one side of the first retaining wall 122 close to the groove 4, a first drainage pipe 118 is laid in the first adsorption filtration layer 116 along the length direction of the river channel, a second drainage pipe 119 perpendicular to the first drainage pipe 118 is installed in the first accommodation area, the first adsorption filtration layer 116 and the second adsorption filtration layer 121 are both ecological gabions filled with filter materials, and the top end of the first adsorption filtration layer 116 is located in the drainage ditch 111 and is fixed through the fixing pile 123 to prevent sliding. The diameter of the first drainage pipe 118 is selected to just penetrate the ecological gabion, and is arranged at intervals of 1-2 m. Meanwhile, the arrangement of the second drain pipe 119 can be properly increased according to the width of the disposal area 11, and the first drain pipe 118 and the second drain pipe 119 are communicated with each other and can be used as a drain channel and a bottom gas exchange channel to accelerate drainage and microorganism propagation.
S103, filling bottom mud in the first slope 3 and the groove 4 in a layered mode, wherein the thickness of each layer is 5-20cm, the time interval is 2-7 days, the height of the bottom mud filled in the first slope 3 is 15-30cm, and the height of the bottom mud filled in the groove 4 is 50-80 cm; the adoption of the excavation of the groove 4 and the layered filling can increase the treatment capacity of the dredged sediment and prevent the sediment at the upper part from sliding, and the slope of the finally filled sediment layer is less than 50 degrees and lower than the height of the first retaining wall 122. The upper surface of the bottom sediment layer is 5-10cm higher than that of the third adsorption and filtration layer 222, so that the bottom sediment treatment amount can be increased, and the filler consumption in the transition region can be reduced. And when rainfall, the runoff rainwater can fall when flowing into the transition region through the first vegetation layer of the disposal region, and the flow velocity of the rainwater is slowed down.
S104, paving a second impermeable layer 223 and a third adsorption and filtration layer 222 at the bottom of the second slope 5 from bottom to top in sequence; the third adsorption and filtration layer 222 is uniformly paved with fillers with different particle sizes from top to bottom, and the upper part can be selected from gravels, construction waste and the like, and the particle size is 3-5 cm; the middle and lower parts are ceramsite, volcanic rock, zeolite, quartz sand and the like, the particle size is 0.5-2cm, and the ceramsite, the volcanic rock, the zeolite, the quartz sand and the like are all fixed by an ecological gabion. The ecological gabion may be tied to the first retaining wall 122 between the disposal area 11 and the transition area 22.
S105, laying a filter layer communicated with the first adsorption filter layer 116 on the drainage ditch 111; the bottom of the drainage ditch 111 is built by concrete, a plurality of drainage ports are reserved to be communicated with the first adsorption filter layer 116 of the disposal area 11, and filter layers of 5-10cm are paved at the same time. The fixing pile 123 is driven into the soil after passing through the filter layer, the water outlet and the first absorption filter layer 116 in sequence.
S106, planting vegetation on the bottom sediment layer 113 and the third adsorption and filtration layer 222. Wherein a first vegetation layer 112, such as turf, etc., is planted on the bottom mud layer 113, and a second vegetation layer 221, such as turf, shrub, etc., is planted on the third adsorption and filtration layer 222.
The method is utilized to construct a physical interception-microbial decomposition-vegetation absorption system of a disposal area and a transition area, and can effectively reduce the pollution of sewage entering a river.
After the dredged sediment is treated, the ecological bank protection needs to fully consider the stability of the side slope, the lowest position of a treatment area and the like when being constructed, the water content of the dredged sediment is not more than 75 percent, simultaneously, a filter material-microorganism-plant degradation and adsorption pollutant removal mechanism is fully exerted, the construction of the bank slope and the dredging of the sediment are carried out simultaneously, and the ecological bank protection has high operability, good effect of reducing secondary pollution and remarkable environmental benefit.
The above-mentioned specific implementation is the preferred embodiment of the present invention, can not be right the utility model discloses the limit, any other does not deviate from the technical scheme of the utility model and the change or other equivalent replacement modes of doing all contain within the scope of protection of the utility model.
Claims (9)
1. The utility model provides a river course ecological bank protection which characterized in that: comprises a disposal area, a drainage component and a transition area; the disposal area comprises a first slope, a groove and a first retaining wall which are sequentially arranged along the side slope of the river course; a first containing area is formed among the first slope, the groove and the first retaining wall, and a first impermeable layer, a first adsorption filter layer, a first permeable layer and an anti-skid layer are sequentially paved at the bottom of the first containing area from bottom to top; one end of the drainage assembly is located in the first adsorption and filtration layer, the other end of the drainage assembly is located in the first containing area, the second adsorption and filtration layer and the second permeable layer are sequentially paved on one side, close to the first containing area, of the first retaining wall, a bottom mud layer is filled in the first containing area, a first vegetation layer is planted on the bottom mud layer, and the transition area is located on one side, far away from the first containing area, of the first retaining wall.
2. The ecological river bank revetment according to claim 1, wherein: the transition region comprises a second slope, a second impermeable layer and a second retaining wall; the second slope is located one side that first barricade kept away from first district that holds, the surface on second slope is laid to the second barrier layer, the second barricade is installed in the bottom on second slope, first barricade, second slope and second are kept off and form the second between the wall and hold the district, the second is held the district and is filled there is the third adsorption and filtration layer, plant the second vegetable layer on the third adsorption and filtration layer.
3. The ecological river bank revetment according to claim 1, wherein: the drainage assembly comprises a first drainage pipe and a second drainage pipe, the first drainage pipe is provided with a plurality of water permeable holes which are uniformly distributed, the first drainage pipe is uniformly distributed in a first adsorption filter layer along the length direction of a river channel, the second drainage pipe is positioned in a first containing area and is vertically connected with the first drainage pipe, and the second drainage pipe is uniformly distributed along the length direction of the first drainage pipe.
4. The ecological river bank revetment according to claim 1, wherein: the opening end of the second drain pipe is 0.5-1cm higher than the bottom mud layer, and the top end of the second drain pipe is provided with a filter cover.
5. The ecological river bank revetment according to claim 1, wherein: the cross section of the groove is in a right trapezoid shape, the inclined side face of the groove is connected with the first slope, and the depth of the groove is 30-50 cm.
6. The ecological river bank revetment according to claim 1, wherein: the gradient of the first slope is 15-50 degrees.
7. The ecological river bank protection of claim 2, wherein: the gradient of the second slope is 15-50 degrees.
8. The ecological river bank revetment according to claim 1, wherein: the disposal area further comprises a drainage ditch, the drainage ditch is located at the top of the first slope, the filtering layer is laid on the drainage ditch, and the drainage ditch is communicated with the first adsorption filtering layer.
9. The ecological river bank protection of claim 8, wherein: the first adsorption filter layer is an ecological gabion filled with filter materials, and the top end of the first adsorption filter layer is located at the bottom of the drainage ditch and fixed through a fixing pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099157.5U CN211446781U (en) | 2019-11-29 | 2019-11-29 | River course ecological revetment |
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| CN201922099157.5U CN211446781U (en) | 2019-11-29 | 2019-11-29 | River course ecological revetment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371956A (en) * | 2021-02-10 | 2021-09-10 | 中庆建设有限责任公司 | Method for treating bottom mud of surface water body |
| CN114960552A (en) * | 2022-06-24 | 2022-08-30 | 西安理工大学 | Environment-friendly combined type ecological gabion device beneficial to fish protection |
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2019
- 2019-11-29 CN CN201922099157.5U patent/CN211446781U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113371956A (en) * | 2021-02-10 | 2021-09-10 | 中庆建设有限责任公司 | Method for treating bottom mud of surface water body |
| CN113371956B (en) * | 2021-02-10 | 2022-03-04 | 中庆建设有限责任公司 | Method for treating bottom mud of surface water body |
| CN114960552A (en) * | 2022-06-24 | 2022-08-30 | 西安理工大学 | Environment-friendly combined type ecological gabion device beneficial to fish protection |
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