CN114277735B - Ecological river channel structure and construction method - Google Patents
Ecological river channel structure and construction method Download PDFInfo
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- CN114277735B CN114277735B CN202210078401.3A CN202210078401A CN114277735B CN 114277735 B CN114277735 B CN 114277735B CN 202210078401 A CN202210078401 A CN 202210078401A CN 114277735 B CN114277735 B CN 114277735B
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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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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
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Abstract
The application relates to an ecological river channel structure and a construction method, wherein the ecological river channel structure comprises a plurality of floating beds which are arranged on a river channel and used for planting vegetation, a group of floating bed units are formed by connecting a plurality of floating beds through ropes, and a plurality of groups of floating bed units are sequentially arranged along the length direction of the river channel; a plurality of installation grooves which are in one-to-one correspondence with the number of floating beds are formed in the river channel, the floating beds are respectively placed in the installation grooves, the lower surfaces of the floating beds are connected with gravity anchors, the bottoms of the installation grooves are provided with positioning holes, and the gravity anchors are installed in the positioning holes; one side of the installation groove is provided with a hinge groove, one end of the floating bed far away from the riverbed is fixedly connected with a fixed shaft, and the fixed shaft is installed in the hinge groove. The application has the advantages of good structural integrity, strong adaptability and water permeability, good flood control and impact prevention effect, simple and quick construction, no influence on plant growth, environment beautification, ecological maintenance and protection effect on the surface of the dam.
Description
Technical Field
The application relates to the technical field of ecological riverways, in particular to an ecological riverway structure and a construction method.
Background
In river management of hydraulic engineering, in order to prevent a side slope or a river bed from being flushed by water flow, various paving or planting is performed on the slope surface and the slope foot of a river bank slope to ensure the safety of the river bank, and the existing slope protection technology can be divided into a lattice Liang Fenou planted slope protection, a gabion slope protection, a grout stone slope protection, a paved concrete precast block slope protection and the like.
Along with a large number of natural disasters, engineering construction and mountain exploitation, a large number of slopes which cannot recover vegetation are formed, a large number of water and soil losses are caused by the damage of green vegetation, china is one of the most serious countries with water and soil losses in the world, the water and soil loss area accounts for about 1/6 of the total area of the country, and erosion of embankments, side slopes and river banks is the most main cause of water and soil loss, so that water and soil conservation and side slope protection become the environmental problems which are urgently needed to be solved in China at present.
Disclosure of Invention
The ecological river channel structure provided by the application has the advantages of good structural integrity, strong adaptability and water permeability, good flood control and impact prevention effects, simplicity and rapidness in construction, no influence on plant growth, capability of beautifying the environment, ecological maintenance and effect of protecting the surface of a dam.
The application provides an ecological river channel structure which adopts the following technical scheme:
an ecological river channel structure comprises a plurality of floating beds which are arranged on a river channel and used for planting vegetation, wherein a group of floating bed units are formed by connecting a plurality of floating beds through ropes, and a plurality of groups of floating bed units are sequentially arranged along the length direction of the river channel; a plurality of installation grooves which are in one-to-one correspondence with the number of floating beds are formed in the river channel, the floating beds are respectively placed in the installation grooves, gravity anchors are connected to the lower surfaces of the floating beds, positioning holes are formed in the bottoms of the installation grooves, and the gravity anchors are installed in the positioning holes; one side of the installation groove is provided with a hinge groove, one end of the floating bed far away from the riverbed is fixedly connected with a fixed shaft, and the fixed shaft is installed in the hinge groove.
Preferably, the end floating bed far away from the river bed is fixed on the river channel through the rope.
Preferably, the distance between adjacent floating beds in the floating bed units is 10-50cm.
Preferably, the gravity anchor is composed of a plurality of sections of weight rods which are hinged in sequence.
Preferably, a planting groove for planting vegetation is formed in the upper surface of the floating bed, a water-absorbing cotton rope is connected to the bottom of the planting groove, and the free end of the water-absorbing cotton rope extends into the positioning hole.
Preferably, a water collecting tank is arranged at the bottom of the mounting tank, and the water collecting tank is communicated with the positioning hole.
Preferably, the floating bed in the direction from the river channel to the river bed in the same group of floating bed units is sequentially divided into a root system planting area, a flood-resistant herbaceous plant area and a water quality purifying area, wherein the root system planting area and the flood-resistant herbaceous plant area are positioned above the normal water level of the river channel, and the water quality purifying area is positioned below the normal water level of the river channel and floats on the water surface; a floating bed in the root system planting area is filled with a plant-growing soil layer for planting small shrubs; active carbon or artificial sintering culture soil is filled in the floating bed of the flooding-resistant herbaceous plant area and is used for planting perennial flooding-resistant herbaceous plants which have strong absorption capacity on nitrogen and phosphorus elements and developed root systems; and planting aquatic plants with stronger absorption capacity to nitrogen and phosphorus elements in the floating bed of the water quality purifying zone.
The application provides a construction method of an ecological river channel structure, which comprises the following steps:
s1, constructing a river channel: trimming the slope and the riverbed of the riverway to ensure that the riverway achieves the designed inclination and flatness;
s2, reserving a component: respectively reserving an installation groove, a positioning hole and a hinge groove on the slope of the river channel;
s3, paving a floating bed: sequentially placing a plurality of floating beds in the mounting groove, placing a gravity anchor in the positioning hole, placing a fixed shaft in the hinge groove, connecting the plurality of floating beds through ropes to form a group of floating bed units, sequentially arranging the plurality of groups of floating bed units along the length direction of a river, and fixing the floating bed at the tail end of the floating bed unit, which is far away from the river, on the river through expansion and contraction;
s4, sequentially dividing a floating bed in the direction from a river channel to a riverbed in the same group of floating bed units into a root system planting area, a flood-resistant herbaceous plant area and a water quality purifying area, wherein a floating bed in the root system planting area is filled with a plant soil layer for planting small shrubs; active carbon or artificial sintering culture soil is filled in a floating bed of the flooding-resistant herbaceous plant area and is used for planting perennial flooding-resistant herbaceous plants which have stronger absorption capacity on nitrogen and phosphorus elements and developed root systems; aquatic plants with stronger absorption capacity to nitrogen and phosphorus elements are planted in the floating bed of the water quality purifying area.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the floating beds are connected sequentially through the ropes and are arranged in the installation grooves of the river channels, so that the overall stability of the floating bed units is improved; the gravity anchor on the floating bed is placed in the positioning hole of the river channel, when the water level in the river bed rises, one end of the floating bed, which is close to the river bed, floats on the water surface preferentially, and the fixed shaft rotates in the hinged groove, so that the floating bed on the water surface is in a horizontal state when in water rising, and the floating bed is always positioned above the position along with the rising and floating of the water level in the river bed through the drag effect of the gravity anchor, so that the floating bed can be automatically reset when the water level of the river bed is withdrawn, the structure is good in integrity, strong in adaptability and water permeability, good in flood control and flushing prevention effect, simple and quick in construction, free from affecting plant growth, capable of beautifying the environment, keeping ecology and realizing the effect of protecting the surface of a dyke;
2. the water collecting tank is arranged at the bottom of the mounting tank and communicated with the positioning hole, the free end of the water absorbing cotton rope extends into the positioning hole, water is collected in the positioning hole through the water collecting tank, and then the water is transferred into the planting tank through the water absorbing cotton rope, so that water supply to vegetation in the floating bed is improved;
3. the floating beds in the same group of floating bed units from the river channel to the river bed are sequentially divided into root system planting areas, flood-resistant herbaceous plant areas and water quality purifying areas, wherein the root system planting areas and the flood-resistant herbaceous plant areas are located above the normal water level of the river channel, the water quality purifying areas are located below the normal water level of the river channel and float on the water surface, the adaptability of the ecological system of the river channel is improved, the environment can be beautified, the ecology is kept, and the effect of protecting the surfaces of dykes and dams is achieved.
Drawings
FIG. 1 is a cross-sectional view of an ecological riverway structure;
FIG. 2 is a schematic diagram of a partial structure of an ecological river channel structure;
FIG. 3 is a schematic view of the structure of a river in the ecological river structure;
fig. 4 is a schematic diagram of the structure of the floating bed in the ecological river structure.
Reference numerals illustrate: 1. a floating bed unit; 11. a floating bed; 111. a planting groove; 112. a fixed shaft; 113. a water-absorbing cotton rope; 12. a root system planting area; 13. a flood resistant herbaceous plant region; 14. a water quality purifying zone; 2. a rope; 31. a mounting groove; 32. positioning holes; 33. a hinge groove; 34. a water collection tank; 4. gravity anchors.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Example 1
The embodiment of the application discloses an ecological river channel structure.
Referring to fig. 1 and 2, the ecological river structure comprises a plurality of floating beds 11 which are arranged on a river and used for planting vegetation, a group of floating bed units 1 are formed by connecting a plurality of floating beds 11 through ropes 2, the distance between adjacent floating beds 11 in the floating bed units 1 is 10-50cm, the groups of floating bed units 1 are sequentially arranged along the length direction of the river, and the tail end floating beds 11 far away from the river are fixed on the river through ropes 2.
Referring to fig. 1 and 2, the floating bed 11 in the direction from the river to the river in the same group of floating bed units 1 is sequentially divided into a root system planting area 12, a flood-resistant herbaceous plant area 13 and a water quality purifying area 14, wherein the root system planting area 12 and the flood-resistant herbaceous plant area 13 are positioned above the normal water level of the river, and the water quality purifying area 14 is positioned below the normal water level of the river and floats on the water surface; planting grooves 111 for planting vegetation are formed in the upper surface of the floating bed 11, and planting soil layers for planting small shrubs are filled in the planting grooves 111 of the floating bed 11 in the root system planting area 12; active carbon or artificial sintering culture soil is filled in a planting groove 111 of a floating bed 11 of the flooding-resistant herbaceous plant area 13 and is used for planting perennial flooding-resistant herbaceous plants which have strong absorption capacity on nitrogen and phosphorus elements and developed root systems; aquatic plants with stronger absorption capacity to nitrogen and phosphorus elements are planted in the planting groove 111 of the floating bed 11 in the water quality purifying zone 14.
Referring to fig. 2 to 4, a plurality of installation grooves 31 corresponding to the number of floating beds 11 one by one are formed in a river channel, and the floating beds 11 are respectively placed in the installation grooves 31; the bottom of the mounting groove 31 is provided with positioning holes 32, the lower surface of the floating bed 11 is connected with gravity anchors 4, the gravity anchors 4 are composed of a plurality of sections of weight rods which are hinged in sequence, and the weight rods are mounted in the positioning holes 32; the floating bed 11 is always positioned above the position along with the rising and floating of the water level in the river bed by the drag effect of the gravity anchor 4, so that the automatic resetting of the floating bed 11 is facilitated when the water level of the river bed is withdrawn.
Referring to fig. 2 to 4, a hinge groove 33 is formed at one side of the installation groove 31, a fixed shaft 112 is fixedly connected to one end of the floating bed 11, which is far away from the river bed, and the fixed shaft 112 is installed in the hinge groove 33; when the water level in the river bed rises, the end of the floating bed 11 close to the river bed floats on the water surface preferentially, and the fixed shaft 112 rotates in the hinge groove 33, so that the floating bed 11 on the water surface is in a horizontal state when the water rises.
Referring to fig. 2 to 4, a planting groove 111 for planting vegetation is formed in the upper surface of the floating bed 11, a water collecting groove 34 is formed in the bottom of the installation groove 31, and the water collecting groove 34 is communicated with the positioning hole 32; a water-absorbing cotton rope 113 is connected to the bottom of the planting groove 111, and the free end of the water-absorbing cotton rope 113 extends into the positioning hole 32; the water is collected in the positioning holes 32 through the water collecting tank 34, and then the water is transferred into the planting tank 111 through the water absorbing cotton ropes 113, so that the water supply to the vegetation in the floating bed 11 is improved.
The implementation principle is as follows: the floating bed 11 is connected sequentially through the ropes 2 and is arranged in the installation groove 31 of the river channel, so that the overall stability of the floating bed unit 1 is improved; by placing the gravity anchor 4 on the floating bed 11 in the positioning hole 32 of the river course, when the water level in the river bed rises, one end of the floating bed 11 close to the river bed floats on the water surface preferentially, and the fixed shaft 112 rotates in the hinge groove 33, so that the floating bed 11 on the water surface is in a horizontal state when the water rises, and the floating bed 11 is always positioned above the position along with the rising and floating of the water level in the river bed by the restraining action of the gravity anchor 4, thereby being convenient for the automatic reset of the floating bed 11 when the water level of the river bed is withdrawn; the floating bed 11 in the direction from the river channel to the river bed in the same group of floating bed units 1 is sequentially divided into the root system planting area 12, the flood-resistant herbaceous plant area 13 and the water quality purifying area 14, the root system planting area 12 and the flood-resistant herbaceous plant area 13 are positioned above the normal water level of the river channel, the water quality purifying area 14 is positioned below the normal water level of the river channel and floats on the water surface, the adaptability of the ecological system of the river channel is improved, the structure integrity is good, the adaptability and the water permeability are strong, the flood prevention and impact prevention effect is good, the construction is simple and quick, the plant growth is not influenced, the environment can be beautified, the ecology is maintained, and the effect of protecting the surface of a dyke is realized.
Example 2
The construction method of the ecological river channel structure comprises the following steps:
s1, constructing a river channel: trimming the slope and the riverbed of the riverway to ensure that the riverway achieves the designed inclination and flatness; filling river levees by utilizing sand gravel and hauled earth of a river bed, tamping in layers, when the river slopes are filled to the reserved thickness below the designed slopes, trimming the river levees by adopting manpower or machinery, and then slope-protecting by stone masonry or concrete precast block paving to ensure that the river slopes reach the designed slopes;
s2, reserving a component: the method comprises the steps that a mounting groove 31, a positioning hole 32 and a space between adjacent mounting grooves 31 of a hinge groove 33 are reserved on the slope of a river channel respectively, wherein the space is 10-50cm;
s3, paving a floating bed: a plurality of floating beds 11 are sequentially arranged in an installation groove 31, a gravity anchor 4 and absorbent cotton are respectively arranged in a positioning hole 32, a fixed shaft 112 is arranged in a hinged groove 33, the plurality of floating beds 11 are connected through ropes 2 to form a group of floating bed units 1, a plurality of groups of floating bed units 1 are sequentially arranged along the length direction of a river channel, the floating bed 11 at the tail end of the floating bed unit 1, which is far away from the river bed, is fixed on the river channel through the ropes 2, and the floating bed units 1 are positioned at the tail end of the river bed and float on the water surface;
s4, sequentially dividing a floating bed 11 in the direction from a river channel to a riverbed in the same group of floating bed units 1 into a root system planting area 12, a flood-resistant herbaceous plant area 13 and a water quality purifying area 14, wherein a planting soil layer is filled in the floating bed 11 of the root system planting area 12 and is used for planting small shrubs; the floating bed 11 of the flooding-resistant herbaceous plant area 13 is filled with activated carbon or artificial sintering culture soil for planting perennial flooding-resistant herbaceous plants which have strong absorption capacity to nitrogen and phosphorus elements and developed root systems; aquatic plants with stronger absorption capacity to nitrogen and phosphorus elements are planted in the floating bed 11 of the water quality purifying zone 14.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. An ecological river structure, its characterized in that: the river course vegetation planting device comprises a plurality of floating beds (11) which are arranged on the river course and used for planting vegetation, wherein a group of floating bed units (1) are formed by connecting a plurality of floating beds (11) through ropes (2), and a plurality of groups of floating bed units (1) are sequentially arranged along the length direction of the river course; a plurality of mounting grooves (31) which are in one-to-one correspondence with the number of floating beds (11) are formed in a river channel, the floating beds (11) are respectively placed in the mounting grooves (31), gravity anchors (4) are connected to the lower surfaces of the floating beds (11), positioning holes (32) are formed in the bottoms of the mounting grooves (31), and the gravity anchors (4) are installed in the positioning holes (32); a hinge groove (33) is formed in one side of the mounting groove (31), a fixed shaft (112) is fixedly connected to one end, far away from the riverbed, of the floating bed (11), and the fixed shaft (112) is mounted in the hinge groove (33); a planting groove (111) for planting vegetation is formed in the upper surface of the floating bed (11), a water-absorbing cotton rope (113) is connected to the bottom of the planting groove (111), and the free end of the water-absorbing cotton rope (113) extends into the positioning hole (32); a water collecting tank (34) is arranged at the tank bottom of the mounting tank (31), and the water collecting tank (34) is communicated with the positioning hole (32).
2. The ecological riverway structure according to claim 1, wherein: the end floating bed (11) far away from the river bed is fixed on the river channel through the rope (2).
3. The ecological riverway structure according to claim 1, wherein: the distance between adjacent floating beds (11) in the floating bed unit (1) is 10 cm to 50cm.
4. The ecological riverway structure according to claim 1, wherein: the gravity anchor (4) consists of a plurality of sections of weight balance rods which are hinged in sequence.
5. The ecological riverway structure according to claim 1, wherein: the floating bed (11) in the direction from a river channel to a river bed in the same group of floating bed units (1) is sequentially divided into a root system planting area (12), a flood-resistant herbaceous plant area (13) and a water quality purifying area (14), wherein the root system planting area (12) and the flood-resistant herbaceous plant area (13) are positioned above the normal water level of the river channel, and the water quality purifying area (14) is positioned below the normal water level of the river channel and floats on the water surface; a floating bed (11) of the root system planting area (12) is filled with a plant-growing soil layer for planting small shrubs; active carbon or artificial sintering culture soil is filled in a floating bed (11) of the flooding-resistant herbaceous plant area (13) and is used for planting perennial flooding-resistant herbaceous plants which have strong absorption capacity on nitrogen and phosphorus elements and developed root systems; aquatic plants with stronger absorption capacity to nitrogen and phosphorus elements are planted in the floating bed (11) of the water quality purifying zone (14).
6. A construction method of an ecological riverway structure as claimed in claim 1, comprising the steps of:
s1, constructing a river channel: trimming the slope and the riverbed of the riverway to ensure that the riverway achieves the designed inclination and flatness;
s2, reserving a component: a mounting groove (31), a positioning hole (32) and a hinge groove (33) are reserved on the slope of the river channel respectively;
s3, paving a floating bed: a plurality of floating beds (11) are sequentially arranged in an installation groove (31), a gravity anchor (4) is arranged in a positioning hole (32), a fixed shaft (112) is arranged in a hinge groove (33), the plurality of floating beds (11) are connected through a rope (2) to form a group of floating bed units (1), the plurality of groups of floating bed units (1) are sequentially arranged along the length direction of a river channel, and the tail end floating beds (11) of the floating bed units (1) far away from the river bed are fixed on the river channel through expansion and contraction;
s4, sequentially dividing a floating bed (11) in the direction from a river channel to a riverbed in the same group of floating bed units (1) into a root system planting area (12), a flood-resistant herbaceous plant area (13) and a water quality purifying area (14), wherein the floating bed (11) in the root system planting area (12) is filled with a plant-growing soil layer for planting small shrubs; active carbon or artificial sintering culture soil is filled in a floating bed (11) of the flooding-resistant herbaceous plant area (13) and is used for planting perennial flooding-resistant herbaceous plants which have strong absorption capacity on nitrogen and phosphorus elements and developed root systems; aquatic plants with stronger absorption capacity to nitrogen and phosphorus elements are planted in the floating bed (11) of the water quality purifying zone (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210078401.3A CN114277735B (en) | 2022-01-24 | 2022-01-24 | Ecological river channel structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210078401.3A CN114277735B (en) | 2022-01-24 | 2022-01-24 | Ecological river channel structure and construction method |
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| CN114277735A CN114277735A (en) | 2022-04-05 |
| CN114277735B true CN114277735B (en) | 2023-09-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114622520B (en) * | 2022-05-13 | 2022-07-22 | 四川省水利水电勘测设计研究院有限公司 | Ecological slope protection structure of hydraulic engineering river course |
| CN115262477B (en) * | 2022-07-18 | 2024-03-12 | 岭南生态文旅股份有限公司 | Biochar ecological water bank slope protection system suitable for alternate stress of drought and waterlogging |
| CN116011778B (en) * | 2023-02-03 | 2023-08-15 | 杭州良渚古城文旅集团有限公司 | Water conservancy river construction management system based on data analysis |
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|---|---|---|---|---|
| JPH08100428A (en) * | 1994-09-30 | 1996-04-16 | Sekisui Plastics Co Ltd | Creation of artificial floating body greening ground |
| JPH08120649A (en) * | 1994-10-26 | 1996-05-14 | Nittoc Constr Co Ltd | Structure for plant-setting on side slope of reservoir or the like |
| CN205266347U (en) * | 2015-11-11 | 2016-06-01 | 昆明市园林科学研究所 | Synthesize device that founds and manage aquatic plant community |
| CN106745788A (en) * | 2017-02-23 | 2017-05-31 | 江苏绿岩生态技术股份有限公司 | A kind of river sewage purification and the stero of landslide control |
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2022
- 2022-01-24 CN CN202210078401.3A patent/CN114277735B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08100428A (en) * | 1994-09-30 | 1996-04-16 | Sekisui Plastics Co Ltd | Creation of artificial floating body greening ground |
| JPH08120649A (en) * | 1994-10-26 | 1996-05-14 | Nittoc Constr Co Ltd | Structure for plant-setting on side slope of reservoir or the like |
| CN205266347U (en) * | 2015-11-11 | 2016-06-01 | 昆明市园林科学研究所 | Synthesize device that founds and manage aquatic plant community |
| CN106745788A (en) * | 2017-02-23 | 2017-05-31 | 江苏绿岩生态技术股份有限公司 | A kind of river sewage purification and the stero of landslide control |
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