CN210857111U - Ecological slope protection structure of combined type river course - Google Patents
Ecological slope protection structure of combined type river course Download PDFInfo
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- CN210857111U CN210857111U CN201921427513.5U CN201921427513U CN210857111U CN 210857111 U CN210857111 U CN 210857111U CN 201921427513 U CN201921427513 U CN 201921427513U CN 210857111 U CN210857111 U CN 210857111U
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Abstract
The application relates to a composite river channel ecological slope protection structure, which sequentially comprises river bottom protection legs, a slope protection main body structure and a footpath from bottom to top; the river bottom foot protector comprises a gabion net, dry stones and a binge net; the slope protection main body mechanism sequentially comprises a bamboo skin inverted filter layer, a building block layer and a vegetation layer from inside to outside; the bamboo skin reverse filtering layer comprises a bamboo skin and a planting soil layer; the building block layer comprises hexagonal hollow ecological building blocks and WE vegetation infiltration building blocks; the hexagonal hollow ecological building blocks are laid from river bottom line elevation to normal water level line elevation; the WE vegetation infiltration building blocks are paved from a normal waterline elevation to a two-year one-waterline elevation; and the vegetation layer is paved from the normal water level elevation to the elevation of the one-hundred-year-one water level line. This ecological slope protection structure's of combined type river course diversified integrated configuration can effectively deal with rainstorm and erode the strong, flood season and non-flood season water level fall big etc. influence bank slope structure, view effect scheduling problem.
Description
Technical Field
The application relates to the technical field of riverway side slope engineering, in particular to a composite riverway ecological slope protection structure.
Background
Urban river channels have a plurality of functions such as flood control, flood drainage, landscape culture, rain flood regulation, ecological protection and the like. In the development process of cities, a large number of river revetments are hardened by reinforced concrete to become "two-sided" or "three-sided" river banks in order to prevent flood. The hardened revetment cuts off the relation of materials, information and energy between river water and bank slope soil, partial animals and plants lose families depending on survival, the water quality of the river gradually becomes worse, and the ecological balance of the original natural revetment is broken. Along with the development of cities, the ecological problems of river channels are paid more and more attention, and the restoration of the connection between river water and bank slopes and the creation of ecological revetments become the call of times.
In some mountain rivers, the influence of seasonal rainfall causes rain wash and river water swell in flood season, damages to bank slopes are large, and river water is low and shallow in non-flood season. The existing river slope revetment generally adopts single slope protection structures such as grouted stone revetment, lattice rough-row revetment, dry-laid stone revetment, concrete or reinforced concrete revetment, artificial special-shaped block revetment and the like. Although the slope protection structure plays a certain role in flood prevention and drainage in the flood season of the river, the slope protection structure is relatively single, and the problems of stripping, activity and the like of part of the slope surface occur, so that the structural stability of the whole slope surface is influenced under the scouring of rain and flood; the ecological property of the slope protection is relatively poor, so that the ecological restoration and the biodiversity construction of the river channel are not facilitated; in the non-flood season, the single hardened revetment exposes out of the water surface, and the landscape effect is poor. Therefore, the river channel revetment which can meet the flood control and drainage requirements in the flood season and can ensure the landscape effect of the river slope in the non-flood season becomes the target for constructing the existing urban river channel revetment.
SUMMERY OF THE UTILITY MODEL
The purpose of this disclosure is to provide a can strengthen the material information exchange between river water, rainwater and the bank slope to can satisfy the ecological bank protection in novel combined type river course of the intergrowth of multiple living beings perching.
In order to achieve the above object, the present disclosure provides a composite river channel ecological slope protection structure, which is characterized in that the composite river channel ecological slope protection structure sequentially comprises river bottom protection legs, a slope protection main structure and a footpath from bottom to top; the river bottom foot protector comprises a gabion net, dry stones and a binge net; the dry masonry is positioned outside the gabion net and close to one side of the river bottom; the guest grid net is positioned above the gabion net; the slope protection main body mechanism sequentially comprises a bamboo skin inverted filter layer, a building block layer and a vegetation layer from inside to outside; the bamboo skin reverse filtering layer comprises a bamboo skin and a planting soil layer; the bamboo splits are laid under the planting soil layer; the building block layer comprises hexagonal hollow ecological building blocks and WE vegetation infiltration building blocks; the hexagonal hollow ecological building blocks are laid from river bottom line elevation to normal water level line elevation; the WE vegetation infiltration building blocks are paved from a normal waterline elevation to a two-year one-waterline elevation; the vegetation layer comprises plants and backfill soil planted in the block layer; and the vegetation layer is paved from the normal water level elevation to the elevation of the one-hundred-year-one water level line.
Preferably, the hexagonal hollow ecological building blocks are staggered 1/2 in the down-slope direction and are linearly and monolithically arranged in the horizontal direction; and foaming glue is filled in gaps among the hexagonal hollow ecological building blocks.
Preferably, aquatic plants are planted in the hollow structure of the hexagonal hollow ecological building block; the aquatic plant is at least one of Thalictrum aquilegifolium, Arundo donax and Cyperus rotundus.
Preferably, the WE vegetation infiltration building block concave-convex grooves are mutually occluded and tightly arranged; ground cover plants are planted in the WE vegetation infiltration building block; the ground cover plant is at least one of tall leaf oil grass, vine peanut and pennisetum.
Preferably, the bamboo splits are woven by yellow splits, the water content of the yellow splits is 10% -12%, and the thickness of each single bamboo split is 1-2 mm; the width of the single piece is 5-10 mm, and the spacing clear distance of laying is not less than 30 mm.
Preferably, the whole width of the bamboo skin is 9-11m, and the overlapping width of the adjacent bamboo skins is 80-120 cm.
Preferably, the dry masonry is paved by staggered joints, and the joint width is less than 3 cm; the weight of the dry masonry single block is 10-30 kg.
Preferably, the gabion mesh is a box-type structure formed by filling stones in a mesh; the mesh is mechanically woven from ductile low carbon steel wires.
Preferably, the ecological slope protection structure of combined type river course includes the river course side ditch, the river course side ditch adopts the grass ditch type.
Preferably, ground cover plants are planted between the slope protection main body structure and the footpath.
Through above-mentioned technical scheme, the ecological bank protection in combined type river course that this disclosure provided can effectively strengthen the material information interchange between river, rainwater and the bank slope to can satisfy the intergrowth of perching of multiple living beings. This diversified integrated configuration of ecological bank protection of combined type river course can effectively deal with rainstorm and erode the strong, flood season and non-flood season water level fall big etc. influence bank slope structure, view effect scheduling problem. Meanwhile, the composite ecological slope protection can be produced in a modularized mode and built in an assembly mode, and construction waste in a field can be recycled, so that the engineering investment is saved, the ecological environment pollution of rivers is reduced, and the building period is shortened.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a sectional view of an ecological slope protection of a composite river course;
FIG. 2 is a view of arrangement of hexagonal hollow ecological blocks;
fig. 3 is an arrangement view of the WE vegetation infiltration blocks.
Reference numerals
1. River bottom foot protector
2. Slope protection main body structure
3. Footpath
4. Gabion net
5. Dry masonry
6. Guest grid
7. Bamboo skin
8. Hexagonal hollow ecological building block
9. WE vegetation infiltration building block
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
According to the present disclosure, as shown in fig. 1, the present disclosure provides a composite river channel ecological slope protection structure, which is characterized in that the composite river channel ecological slope protection structure sequentially comprises river bottom protection feet 1, a slope protection main structure 2 and a footpath 3 from bottom to top; the river bottom foot protector comprises a gabion net 4, dry stones 5 and a binge net 6; the dry masonry 5 is positioned outside the gabion mesh 4 and close to one side of the river bottom; the guest grid 6 is positioned above the gabion mesh 4 and is connected with the gabion mesh in a binding or welding mode; the slope protection main body mechanism 2 sequentially comprises a bamboo skin inverted filter layer, a building block layer and a vegetation layer from inside to outside; the bamboo skin reverse filtering layer comprises a bamboo skin 7 and a planting soil layer; the bamboo splits 7 are laid under the planting soil layer; the building block layer comprises hexagonal hollow ecological building blocks 8 and WE vegetation infiltration building blocks 9; the hexagonal hollow ecological building block 8 is laid from the river bottom line elevation to the normal water level line elevation; the WE vegetation infiltration blocks 9 are paved from a normal waterline elevation to a two-year one-waterline elevation; the vegetation layer comprises plants and backfill soil planted in the block layer; and the vegetation layer is paved from the normal water level elevation to the elevation of the one-hundred-year-one water level line. Wherein, the plants planted in the vegetable layer have the characteristics of certain drought resistance, developed root system and the like, thereby playing the roles of effectively keeping water and soil and having no loss of landscape ornamental effect.
Preferably, as shown in fig. 2, the hexagonal hollow ecological blocks 8 are arranged in a staggered manner 1/2 along the slope direction and are linearly and monolithically arranged in the horizontal direction; the hexagonal hollow ecological building blocks 8 are closely connected with adjacent building blocks, and the gap is filled with foam rubber which can resist the erosion of river water by means of self weight and structure. More preferably, aquatic plants are planted in the hollow structure of the hexagonal hollow ecological block 8; the aquatic plant is at least one of Thalictrum aquilegifolium, Arundo donax and Cyperus rotundus. The hexagonal hollow ecological building block 8 is filled with planting soil in the hollow part and the lower part so as to plant plants, irrigation is carried out by utilizing water flow along the bank, the plants can enrich and decompose pollutants, and energy is provided for self growth. Meanwhile, the developed root system of the plant also provides a good living environment for microorganisms, so that the effects of water body purification and water and soil conservation are achieved, and the landscape can be improved. The method is suitable for various protective projects such as harbor breakwaters, sea filling land-building embankments, river bank revetments and the like, and is particularly suitable for regions with poor natural conditions and urgent need for ecological restoration and environmental and landscape improvement.
Preferably, as shown in fig. 3, the WE vegetation infiltration blocks 9 are mutually meshed and closely arranged in concave-convex grooves; vegetation plants are planted in the WE vegetation infiltration building block 9; the ground cover plant is at least one of tall leaf oil grass, vine peanut and pennisetum. The WE vegetation infiltration building block 9 finished products are mutually locked firmly, and the hollow part can be used for dibbling grass seeds, planting flowers and plants and the like. And the dam can also be built to be used as a retaining wall, and the retaining wall and the plant root system act together to enhance the stability of the dike. The masonry has a permeation effect, and can be combined with a self-cleaning function of a water body to achieve the aim of restoring the ecological environment; in addition, the WE vegetation infiltration building block 9 can provide a suitable growing environment for plants, can furthest save surface runoff, achieves the effect of water and soil protection, and simultaneously improves the ecological environment.
Preferably, the bamboo strips 7 are woven by yellow strips, the water content of the yellow strips is 10% -12%, and the thickness of each single bamboo strip is 1-2 mm; the width of the single piece is 5-10 mm, and the spacing clear distance of laying is not less than 30 mm.
Preferably, the whole width of the bamboo skin 7 is 9-11m, and the overlapping width of the adjacent bamboo skins 7 is 80-120 cm.
Preferably, the dry masonry 5 is paved by staggered joints, and the joint width is less than 3 cm; the weight of the dry masonry single block is 10-30 kg.
Preferably, the gabion mesh 4 is a box-type structure formed by filling stones in a mesh object; the mesh is mechanically woven from ductile low carbon steel wires.
Preferably, the ecological slope protection structure of combined type river course includes the river course side ditch, the river course side ditch adopts the grass ditch type.
Preferably, vegetation plants are planted between the slope protection main structure 2 and the footpath 3.
According to the river hydraulic condition, the gabion net 4 is arranged under the normal water level, all the box bodies are firmly connected, the integrity is good, the filled stones in the box bodies are limited by the box bodies, and the filled stones are more compact and stable under the action of external force extrusion. When foundation deformation occurs or a large lateral force is applied to the foundation, the deformation can be well adapted, the integral structure cannot be weakened, and the damage such as collapse, fracture and the like cannot be easily caused. The box body can effectively prevent river water from washing the bank and soil loss, and can also provide a growing environment for plants.
According to this disclosure, with thin bamboo strips used for weaving 7 and hexagonal body cavity ecological building block 8 and WE plant living infiltration building block 9 combination application in the ecological bank protection of river course, not only consolidate the bank protection, weaken rainfall flood and erode, keep functions such as soil and water, can also promote the plant and prick the root growth, consolidate the bank protection to have characteristics such as pure natural pollution-free, cost are low. A hexagonal hollow ecological block 8 is arranged on a bank slope between the river bottom line elevation and the normal water line elevation, aquatic plants are planted in the hollow part of the block, and a green barrier can be formed after a certain time. The hexagonal hollow ecological masonry 8 can be made of engineering waste building materials, and 25% of sludge can be added to the hexagonal hollow ecological masonry to absorb sludge in the river. When no water is soaked, the hexagonal hollow ecological building block 8 can be used as a place for activities of land and amphibians, and birds like the hard interface to rest; when immersed in water, the biological filter can be used as a moving place for aquatic animals and a medium for microorganism adhesion. The built hexagonal hollow ecological building block section generally does not need dredging and planting soil replacement, and plants can be partially harvested or trimmed according to growth vigor. Arranging WE vegetation infiltration blocks 9 on the bank slope between the elevation of the normal waterline and the elevation of the one-water-line two years, the block structure is simple to manufacture and convenient to construct, has better stability and integrity after being assembled due to self-locking design, and can effectively prevent the blocks from being dislocated, deformed and moved under the action of various external forces. In addition, the WE vegetation infiltration building block 9 has natural water permeability, is beneficial to the circulation of a river ecosystem, can also be used for sowing grass seeds and planting plants in through holes formed on a slope surface, can beautify the landscape of a river channel on one hand, and can also be used for preventing water and soil loss by utilizing the reinforcement effect of plant root systems on soil to achieve the effect of protecting water and soil, so that the safety and the durability of a bank slope are improved, and the ecological environment is improved. The bamboo splits are bamboo products, have wide sources and relatively low manufacturing cost, have better soil-fixing and slope-protecting effects, have better anti-scouring effects when being built at the beginning of river course slope protection, and gradually decay along with the growth of ground cover plants such as big-leaf oil grass, pennisetum alopecuroides and the like, thereby providing fertilizer for the plants.
According to the method, the combined type river channel ecological slope protection can combine water level change to select slope protection forms and carry out combination and collocation, and besides the basic functions of resisting impact and promoting silt of the traditional bank protection engineering, the method has the advantages of beautifying the environment, protecting the integrity of an ecological system, being ecological and natural, sustainable, relatively short in construction period, relatively low in engineering cost and the like.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A composite river channel ecological slope protection structure is characterized by sequentially comprising river bottom protection feet (1), a slope protection main body structure (2) and a footpath (3) from bottom to top; the river bottom foot protector comprises a gabion net (4), dry stones (5) and a binge net (6); the dry masonry (5) is positioned on one side, close to the river bottom, outside the gabion mesh (4); the guest grid net (6) is positioned above the gabion net (4); the slope protection main body structure (2) sequentially comprises a bamboo skin inverted filter layer, a building block layer and a vegetation layer from inside to outside; the bamboo skin inverted filter layer comprises a bamboo skin (7) and a planting soil layer; the bamboo splits (7) are laid under the planting soil layer; the building block layer comprises hexagonal hollow ecological building blocks (8) and WE vegetation infiltration building blocks (9); the hexagonal hollow ecological building block (8) is laid from the river bottom line elevation to the normal water level line elevation; the WE vegetation infiltration building blocks (9) are paved from a normal water level line elevation to a two-year one-water level line elevation; the vegetation layer comprises plants and backfill soil planted in the block layer; and the vegetation layer is paved from the normal water level elevation to the elevation of the one-hundred-year-one water level line.
2. The ecological slope protection structure of combined type river course of claim 1, characterized in that, the hollow ecological building blocks (8) of hexagonal prism are arranged by 1/2 dislocation along the slope direction and are arranged linearly and monolithically in the horizontal direction; and foaming glue is filled in gaps among the hexagonal hollow ecological building blocks (8).
3. The ecological slope protection structure of combined type river course of claim 1, characterized in that aquatic plants are planted in the hollow structure of the hexagonal hollow ecological block (8); the aquatic plant is at least one of Thalictrum aquilegifolium, Arundo donax and Cyperus rotundus.
4. The ecological slope protection structure of combined type river course of claim 1, characterized in that, the WE vegetation infiltration building block (9) tongue and groove interlock each other and closely arrange; vegetation plants are planted in the WE vegetation infiltration building block (9); the ground cover plant is at least one of tall leaf oil grass, vine peanut and pennisetum.
5. The ecological slope protection structure of combined type river course of claim 1, characterized in that the thin bamboo strips (7) are woven by using yellow thin bamboo strips, the moisture content of the yellow thin bamboo strips is 10% -12%, and the thickness of each thin bamboo strip is 1-2 mm; the width of the single piece is 5-10 mm, and the spacing clear distance of laying is not less than 30 mm.
6. The ecological slope protection structure of combined type river course of claim 5, characterized in that, the width of whole width of bamboo skin (7) is 9-11m, and the overlap joint width of adjacent bamboo skin (7) is 80cm-120 cm.
7. The ecological slope protection structure of combined river channel of claim 1, wherein the dry masonry (5) is paved by staggered joints, and the joint width is less than 3 cm; the weight of the dry masonry single block is 10-30 kg.
8. The ecological slope protection structure of combined river channel as claimed in claim 1, wherein the gabion mesh (4) is a box-type structure formed by filling stones in a mesh; the mesh is mechanically woven from ductile low carbon steel wires.
9. The ecological slope protection structure of combined type river course of claim 1, characterized in that, the ecological slope protection structure of combined type river course includes the river course side ditch, the river course side ditch adopts the grass ditch type.
10. The ecological slope protection structure of combined type river course of claim 1, characterized in that ground cover plants are planted between the slope protection major structure (2) and the footpath (3).
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| CN201921427513.5U CN210857111U (en) | 2019-08-29 | 2019-08-29 | Ecological slope protection structure of combined type river course |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117738131A (en) * | 2024-02-21 | 2024-03-22 | 山东安澜工程建设有限公司 | River channel slope protection mechanism for hydraulic engineering |
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2019
- 2019-08-29 CN CN201921427513.5U patent/CN210857111U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117738131A (en) * | 2024-02-21 | 2024-03-22 | 山东安澜工程建设有限公司 | River channel slope protection mechanism for hydraulic engineering |
| CN117738131B (en) * | 2024-02-21 | 2024-05-07 | 山东安澜工程建设有限公司 | River channel slope protection mechanism for hydraulic engineering |
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Address after: Room 612, building 1, No.9 Xinghuo Road, Fengtai District, Beijing 100070 Patentee after: China Construction Ecological Environment Group Co.,Ltd. Address before: Room 612, building 1, No.9 Xinghuo Road, Fengtai District, Beijing 100070 Patentee before: CHINA CONSTRUCTION WATER AFFAIRS ENVIRONMENTAL PROTECTION Co.,Ltd. |