CN213625470U - Bank protection structure of riverbed scour prevention - Google Patents
Bank protection structure of riverbed scour prevention Download PDFInfo
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- CN213625470U CN213625470U CN202022334070.4U CN202022334070U CN213625470U CN 213625470 U CN213625470 U CN 213625470U CN 202022334070 U CN202022334070 U CN 202022334070U CN 213625470 U CN213625470 U CN 213625470U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
The application relates to the field of river ecological restoration, in particular to an anti-scour revetment structure of a riverbed, which comprises a first revetment and an overwater revetment slope, wherein the overwater revetment slope is positioned above a conventional water level line; the first revetment comprises an underwater ramming layer and an underwater anti-impact mechanism, wherein the underwater ramming layer is formed by ramming a riverbed soil layer; the underwater anti-impact mechanism is fixedly connected to the surface of the underwater tamping layer; the water shore protection slope comprises a river bank tamping layer, a protection pile mechanism and an ecological balance layer, wherein the river bank tamping layer is formed by tamping a river bank soil layer; the protective pile mechanism is used for preventing water and soil loss of a tamped layer of a river bank; the ecological balance layer is laid on the river bank tamping layer. The method has the functions of better slowing down water and soil loss and adjusting the water environment of the river bank.
Description
Technical Field
The application relates to the field of river ecological restoration, in particular to a riverbed anti-scouring revetment structure.
Background
In the south of the river, rivers are numerous, and irrigation water is mostly dependent on the rivers. Most of the soil of the river bed of the river is mainly clay, and as most of the river channels of the river are soil slopes and river channel bank slopes are irregular, the clay in the river channel bank slopes can be brought into the river under the impact of water waves or channel waves, so that serious water and soil loss is caused. In some areas with abundant rainwater, the river bank is washed by water flow for a long time, so that not only can serious water and soil loss be caused, but also the river bank can be continuously collapsed. The water and soil loss causes sediment to be deposited on the riverbed, so that the flow of the riverway is reduced, the flood fighting livestock water function is reduced, the riverbed needs to be regularly cleared by a dredger, and a large amount of manpower and material resources are consumed. The river bank collapses continuously, so that the river is blocked, the river needs to be dredged in time, and more social resources need to be invested for remediation. Therefore, the bank slope needs to be reinforced to resist the washing and brushing of water flow and reduce the water and soil loss.
Referring to fig. 1, a conventional water conservancy bank protection structure includes a river bank slope 10. The river course bank slope 10 is formed by digging at the edge of a river course, protective bricks 11 are laid on the river course bank slope 10, the protective bricks 11 are made of rigid protective masonry materials, and common rigid protective masonry materials are masonry and concrete plates; the protective bricks 11 are bonded by cement, so that a protective river 12 is formed to protect the river bank slope 10.
The above prior art solutions have the following drawbacks: the protection river channel cuts off the relation between the bank slope and the river channel water flow, has negative influence on the ecological environment, leads the water environment to lose the original activity, and has the problem of imbalance between the bank slope protection and the ecological protection.
SUMMERY OF THE UTILITY MODEL
In order to solve prior art protection river channel and cut off the contact of bank slope with river course rivers, have the problem of negative effect to ecological environment, this application aim at provides a bank protection structure of riverbed scour prevention.
The application purpose of the application is realized by the following technical scheme: a river bed anti-scour revetment structure comprises a first revetment and an overwater revetment slope, wherein the overwater revetment slope is positioned above a conventional water level line; the first revetment comprises an underwater ramming layer and an underwater anti-impact mechanism, wherein the underwater ramming layer is formed by ramming a riverbed soil layer; the underwater anti-impact mechanism is fixedly connected to the surface of the underwater tamping layer; the water shore protection slope comprises a river bank tamping layer, a protection pile mechanism and an ecological balance layer, wherein the river bank tamping layer is formed by tamping a river bank soil layer; the protective pile mechanism is used for preventing water and soil loss of a tamped layer of a river bank; the ecological balance layer is laid on the river bank tamping layer.
By adopting the technical scheme, the underwater anti-impact mechanism can prevent soil in the underwater rammed layer from losing in water flow due to impact, and plays a role in slowing down water and soil loss; the fender pile mechanism can prevent that the soil property on riparian tamping layer from losing in rivers because of the impact, plays the effect that slows down soil erosion and water loss, and fender pile mechanism with underwater protecting against shock mechanism and river course rivers are linked together, ecological balance layer plays regulation and stable effect to the ecological environment, this application has better soil erosion and water loss that slows down, adjusts the effect of riparian water environment.
Preferably, the underwater impact-proof mechanism comprises a plurality of round timber piles and a plurality of water flow speed reducing bodies, and an installation space for accommodating the water flow speed reducing bodies is formed between the adjacent round timber piles; the water flow speed reducer is arranged in the installation space; a polyethylene foam plastic block is padded between the adjacent water flow speed reducing bodies; a plurality of through holes are formed in the circumferential direction of the log pile; the round timber pile is fixedly connected with a fixed timber pile; the fixed wooden piles are embedded in the through holes and penetrate through the underwater rammed layer to extend to the original soil layer.
By adopting the technical scheme, the round timber pile can be stably installed on the underwater tamping layer by the fixed timber pile; the water flow decelerating body is arranged in the installation space between the round timber piles to reduce the impact force of water flow flowing to the underwater tamping layer and slow down water and soil loss.
Preferably, the water flow decelerating body comprises a water flow decelerating body main body, and fixing grooves are formed in two sides of the water flow decelerating body main body along the length direction of the water flow decelerating body main body; the diameter of the fixing groove is equal to that of the log pile; a first groove is integrally formed on the upper surface of the water flow speed reducer body; a second groove is integrally formed on the lower surface of the water flow speed reducer body; the first groove and the second groove are internally and fixedly connected with a speed reducing plate; the water flow speed reducer main body is provided with a communicating hole for communicating the first groove and the second groove; the speed reduction plate is fixedly connected to the inner wall of the opening of the first groove.
By adopting the technical scheme, the fixing groove of the water flow speed reducer main body can ensure that the water flow speed reducer can be stably arranged between the round timber piles, and a relatively long water flow speed reducing effect is achieved; the impact force of water flow to the underwater ramming layer can be reduced through the speed reducing plate, and the water and soil loss is slowed down.
Preferably, the speed reduction plate comprises a speed reduction plate main body, and a plurality of cylindrical holes are formed in the surface of the speed reduction plate main body in a penetrating mode; a rubber speed reducing block is arranged in the cylindrical hole; the rubber deceleration block comprises a circular ring column embedded in the cylindrical hole and a fan-shaped deceleration strip integrally formed on the inner wall of the circular ring column; gaps for water flow to pass through are formed between adjacent fan-shaped speed reducing belts.
By adopting the technical scheme, river water flows through the fan-shaped deceleration strip, the kinetic energy part carried by the river water is converted into the kinetic energy and the potential energy of the fan-shaped deceleration strip, and finally the kinetic energy and the potential energy are released into the environment by heat energy, so that the impact force of the water flow flowing to an underwater rammed layer is reduced, and the water and soil loss is further slowed down.
Preferably, the protection pile mechanism comprises a single row of fir piles, and the single row of fir piles penetrate through the underwater rammed layer and extend into the original soil layer; the single-row fir-wood piles comprise a plurality of fir-wood piles and tightening ropes, and the fir-wood piles are cut along the axial line of the fir-wood piles to form two embedded surfaces; the embedded surfaces of adjacent fir-wood piles are attached; wired perforations are formed in the circumferential direction of the fir-wood piles; the tightening ropes penetrate through the wire perforations to connect a plurality of fir-wood piles into a row to form a single row of fir-wood piles.
Through adopting above-mentioned technical scheme, tighten up the fir stake into single row fir stake through tightening up the rope and can promote fender pile mechanism's shock resistance, slow down soil erosion and water loss.
Preferably, the fender pile mechanism further comprises a connecting piece, and two pairs of side surfaces of the connecting piece are integrally formed with embedding grooves for embedding the single-row fir-wood piles; the diameter of the embedding groove is equal to that of the single-row fir-wood piles.
Through adopting above-mentioned technical scheme, the connecting piece can connect into complete whole with single row fir stake, further promotes fender pile mechanism's impact strength, further slows down soil erosion and water loss.
Preferably, a rubber pad is padded between the embedding surfaces of the adjacent fir-wood piles.
Through adopting above-mentioned technical scheme, can slow down the impact of rivers to promote the impact strength of fender pile mechanism, slow down soil erosion and water loss.
Preferably, the ecological balance layer is formed by paving a plurality of ecological bricks; the ecological bricks are laid on a river bank tamping layer; the ecological brick comprises an ecological brick main body, and a cultivation groove is integrally formed in the ecological brick main body; a water guide hole is vertically and downwards formed at the bottom of the cultivation tank; reinforcing columns are integrally formed at four corners of the bottom surface of the ecological brick main body; the ecological brick main body is provided with a soil conservation plate; the soil conservation plate is provided with a groove hole for vegetation growth.
By adopting the technical scheme, the ecological balance layer can be used for adjusting the water environment of the river bank, and particularly, vegetation can be planted in the cultivation tank to adjust the water environment of the river bank; the reinforcing columns can stably lay the ecological bricks on the river bank to form an ecological balance layer; the soil conservation board can reduce water and soil loss caused by washing culture soil in the culture tank by river water with too high water level in the flood season, so that the vegetation has a better living environment and the water ecology is more stable.
Preferably, the steel wire is tightly hooped on the outer wall of the log pile to form a reinforcing layer; the outer wall of the log pile is sprayed to form a waterproof coating.
Through adopting above-mentioned technical scheme, the structural strength of log stake can be guaranteed to the enhancement layer that the steel wire formed of lock hoop, and waterproof coating can play and avoid river corrosion log stake, further protects the structure of log stake to guarantee the durability and the life of this application.
In summary, the present application has the following advantages:
1. this application has better soil erosion and water loss effect that slows down, and the adjustable riparian water environment of the ecological balance layer of its setting has positive influence to aquatic environment.
2. The utility model provides a first bank protection and first bank protection all take the reinforcement measure, have guaranteed overall structure's steadiness, have better durability and life.
Drawings
Fig. 1 is a schematic view of the overall structure of a water conservancy revetment structure in the related art.
Fig. 2 is a schematic view of the overall structure in the embodiment of the present application.
Fig. 3 is a schematic structural diagram of a underwater impact protection mechanism in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a water flow decelerating body in an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a rubber deceleration block in the embodiment of the present application.
Fig. 6 is a schematic structural diagram of a fender pile mechanism in an embodiment of the application.
Fig. 7 is a partially enlarged view of a portion a in fig. 2.
In the figure, 1, a first revetment; 10. river bank slopes; 11. a protective brick; 12. protecting the river channel; 2. protecting bank slopes on water; 21. tamping a river bank layer; 22. a fender pile mechanism; 221. single row fir wood piles; 2210. tightening the rope; 2211. a fir wood pile; 2212. a fitting surface; 2213. perforating the thread; 2214. a rubber pad; 222. a connecting member; 2221. a fitting groove; 23. an ecological balance layer; 3. an underwater anti-impact mechanism; 30. tamping the layer underwater; 31. a log pile; 311. a through hole; 312. a reinforcing layer; 32. a water flow decelerating body; 320. a polyethylene foam block; 321. a water flow decelerating body main body; 322. fixing grooves; 323. a first groove; 324. a second groove; 325. a communicating hole; 33. an installation space; 34. fixing the wooden piles; 4. a speed reduction plate; 40. a speed reduction plate main body; 41. a cylindrical bore; 5. a rubber deceleration block; 51. a circular column; 52. a fan-shaped deceleration strip; 53. a void; 6. ecological bricks; 61. an ecological brick main body; 62. a cultivation tank; 621. a water guide hole; 622. reinforcing columns; 63. a soil conservation plate; 631. a slot hole.
Detailed Description
The present application is described in further detail below with reference to figures 2-7.
Referring to fig. 2, for the bank protection structure of riverbed scour protection that this application discloses, including first bank protection 1 and bank protection slope 2 on water, conventional water line is located the upper portion of first bank protection 1, and bank protection slope 2 on water is located above conventional water line and the highest point of bank protection slope 2 on water is higher than flood season water line 1.5 m. The first revetment 1 comprises an underwater rammed layer 30, the underwater rammed layer 30 is formed by ramming a riverbed soil layer, the relative height of the underwater rammed layer 30 towards one side of the riverbed center is lower, the relative height of the underwater rammed layer 30 opposite to the riverbed center is higher, and the formed inclination angle of the underwater rammed layer 30 is 30 +/-5 degrees. In order to prevent the soil erosion of the underwater rammed layer 30, the underwater anti-impact mechanism 3 is arranged on the underwater rammed layer 30.
Referring to fig. 3, the underwater impact prevention mechanism 3 includes a plurality of round lumber piles 31, and the intervals between adjacent round lumber piles 31 are equal, and thus, an installation space 33 is formed between adjacent round lumber piles 31. A plurality of water flow speed reducing bodies 32 are arranged between the adjacent round timber piles 31, and the water flow speed reducing bodies 32 are arranged in the installation space 33, so that the water flow speed of the underwater rammed layer 30 can be reduced, and the water and soil loss is reduced. The polyethylene foam plastic block 320 is padded between the adjacent water flow decelerating bodies 32, so that the stress between the adjacent water flow decelerating bodies 32 is released, and the service life of the water flow decelerating bodies 32 is prolonged. The water flow of the polyethylene foam plastic block 320 can freely circulate, so that the underwater tamping layer 30 is ensured to be communicated with the water flow, and the stability of water ecology is ensured.
Referring to fig. 3, in order to ensure that the round timber pile 31 can be stably installed on the underwater rammed layer 30, a plurality of through holes 311 are formed in the circumference of the round timber pile 31, a fixing timber pile 34 is embedded in the round timber pile 31, and the fixing timber pile 34 is embedded in the through holes 311 and penetrates through the underwater rammed layer 30 to extend to the original soil layer. In order to ensure the structural stability of the log pile 31, the outer wall of the log pile 31 is formed with a reinforcing layer 312 by tightening steel wires. In order to prevent river water from corroding the log pile 31, the outer wall of the log pile 31 is sprayed with waterproof paint to form a waterproof coating.
Referring to fig. 4, the water flow decelerating body 32 includes a water flow decelerating body main body 321 formed by pouring cement, and fixing grooves 322 with semicircular cross sections are formed on two opposite sides of the water flow decelerating body main body 321 along the length direction of the water flow decelerating body main body 321; the diameter of the fixing groove 322 is equal to the diameter of the log pile 31, so that the water flow decelerating body 32 can be embedded between adjacent log piles 31, and the installation stability of the water flow decelerating body 32 is ensured.
Referring to fig. 4, a first groove 323 is integrally cast on the upper surface of the water flow reducer body 321. The lower surface of the water flow decelerating body 321 is integrally cast with a second groove 324. The decelerating plates 4 are fixedly connected in the first groove 323 and the second groove 324, and the water flow decelerating body 321 is provided with a communicating hole 325 for communicating the first groove 323 and the second groove 324, so that water flow can flow from the first groove 323 to the second groove 324 to the underwater ramming layer 30 through the communicating hole 325, and the underwater ramming layer 30 is ensured to be communicated with a river. The decelerating plate 4 in the first groove 323 is fixedly connected to the inner wall of the opening of the first groove 323, and the decelerating plate 4 in the second groove 324 is fixedly connected to the middle part of the inner wall of the second groove 324, so that a gap is reserved between the river and the water flow decelerating body 321, and the aquatic environment is conveniently formed.
Referring to fig. 4, the speed reducer plate 4 includes a speed reducer plate body 40 formed by cement casting, and the speed reducer plate 4 is fitted and fixed to the water flow reducer body 321. The surface of the speed-reducing plate main body 40 is vertically provided with a plurality of cylindrical holes 41 in a penetrating manner, and the distance between every two adjacent cylindrical holes 41 is equal. In order to achieve a good water flow speed reduction effect, the rubber speed reduction block 5 is arranged in the cylindrical hole 41, so that the kinetic energy of the water flow can be converted into the kinetic energy and the potential energy of the rubber speed reduction block 5, and finally the kinetic energy and the potential energy are converted into the heat energy of the rubber speed reduction block 5 to be released to the outside.
Referring to fig. 5, the rubber reduction block 5 includes an annular cylinder 51, and the annular cylinder 51 is fitted into the cylindrical hole 41. Four fan-shaped deceleration strips 52 are integrally formed on the inner wall of the circular column 51, and a gap 53 for water flow to pass through is formed between adjacent fan-shaped deceleration strips 52. The water wave has wave crests and wave troughs, when the water flow generated by the wave crests of the water wave flows from the gaps 53, the fan-shaped deceleration strip 52 generates potential energy deformation due to the kinetic energy of the water flow, and the fan-shaped deceleration strip 52 generates potential energy recovery when the water wave has the wave troughs, so that the water flow energy of river water flowing to the surface of the underwater tamping layer 30 is reduced, and the water and soil loss of the underwater tamping layer 30 can be well relieved.
Referring to fig. 6, in conjunction with fig. 2, in order to slow down the water and soil loss of the river bank, the water shore protection slope 2 includes a bank ramming layer 21, and the bank ramming layer 21 is formed by ramming the bank soil layer. The relative height of the river bank tamping layer 21 towards the center of the river bed is lower, and the relative height of the river bank tamping layer 21 back to the center of the river bed is higher, so that the inclination angle of the river bank tamping layer 21 is 40 +/-2 degrees. In order to slow down the water and soil loss of the river bank tamping layer 21, a protection pile mechanism 22 is arranged on one side of the river bank tamping layer 21 facing the center of the river bed. In order to regulate and control the aquatic environment, ecological bricks 6 are laid on the river bank tamping layer 21 to form an ecological balance layer 23.
Referring to fig. 6, the pile protection mechanism 22 includes single row fir-wood piles 221 and connectors 222, and adjacent single row fir-wood piles 221 are connected into a whole through the connectors 222, so as to improve the shock resistance list of the pile protection mechanism 22 and ensure the service life and durability of the present application. For the stability of the pile protection mechanism 22, during construction, the single row of fir-tree piles 221 are penetrated into the underwater rammed layer 30 and extend into the original soil layer. In order to ensure the connection stability of the pile protection mechanism 22, two pairs of side surfaces of the connecting piece 222 are integrally formed with an embedding groove 2221 for embedding the single-row fir-wood pile 221; the diameter of the fitting groove 2221 is equal to the diameter of the single row fir stump 221.
Referring to fig. 6, the single row of cedar stakes 221 are assembled from a plurality of cedar stakes 2211 and tightening cords 2210. Fir stake 2211 outer wall spraying LX polymer acrylic acid water proof coating forms the weatherability coating to guarantee fir stake 2211's structural stability, promote the life of this application. To facilitate the assembly of fir-wood piles 2211 into single row of fir-wood piles 221, fir-wood piles 2211 are cut along the axis of fir-wood pile 2211 to form two engagement surfaces 2212, and the engagement surfaces 2212 of adjacent fir-wood piles 2211 are attached to each other. To improve the impact strength and stability of the single row of cedar piles 221, rubber pads 2214 are padded between the fitting surfaces 2212 of adjacent cedar piles 2211.
Referring to fig. 6, the tightening rope 2210 includes a tightening rope body, one end of which is welded with a first tightening plate that can be abutted against the engagement surface 2212 of the cedar pile 2211. The other end of the tightening rope main body is welded with a threaded sleeve, the circumferential thread of the threaded sleeve is connected with a second tightening plate, and the second tightening plate can abut against the embedded surface 2212 of the cedar pile 2211 when the threaded sleeve moves. The fir-wood pile 2211 is circumferentially provided with a row of through holes 2213; the tightening rope body is provided with a plurality of fir-wood piles 2211 connected in a row by a plurality of line through holes 2213 to form a single row of fir-wood piles 221.
Referring to fig. 7 and fig. 2, the ecological balance layer 23 is formed by splicing a plurality of ecological bricks 6, the ecological bricks 6 are laid on the river bank tamping layer 21, and plants can be planted on the ecological bricks 6 to regulate the river bank environment. Ecological brick 6 includes ecological brick main part 61, and ecological brick main part 61 integrative casting shaping has the storage to cultivate the culture tank 62 of soil, and culture tank 62 bottom is opened downwards perpendicularly and is equipped with a plurality of guiding holes 621, thereby the root system accessible guiding hole 621 of planting the plant further slows down river bank tamp layer 21 soil erosion and water loss in going deep into river bank tamp layer 21. In order to ensure the installation stability of the ecological brick 6, the reinforcing columns 622 are integrally cast at four corners of the bottom surface of the ecological brick main body 61, and the ends of the reinforcing columns 622, which are opposite to the bottom surface of the ecological brick main body 61, form pointed ends, so that the ecological brick 6 can be conveniently inserted into the river bank tamping layer 21 for installation. In order to prevent the cultivation soil stored in the cultivation groove 62 from running off, the surface of the ecological brick main body 61 is covered with a soil conservation plate 63 formed by pouring concrete, the soil conservation plate 63 is provided with a groove hole 631 for vegetation growth, and the planting plants grow outside through the groove hole 631.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a bank protection structure of riverbed scour protection which characterized in that: the system comprises a first revetment (1) and an overwater bank protection slope (2), wherein the overwater bank protection slope (2) is positioned above a conventional water level line; the first revetment (1) comprises an underwater ramming layer (30) and an underwater anti-impact mechanism (3), wherein the underwater ramming layer (30) is formed by ramming a riverbed soil layer; the underwater anti-impact mechanism (3) is fixedly connected to the surface of the underwater tamping layer (30); the water shore protection slope (2) comprises a river bank tamping layer (21), a protective pile mechanism (22) and an ecological balance layer (23), wherein the river bank tamping layer (21) is formed by tamping a river bank soil layer; the protective pile mechanism (22) is used for preventing water and soil loss of the river bank tamping layer (21); the ecological balance layer (23) is laid on the river bank tamping layer (21).
2. An erosion-resistant revetment structure according to claim 1, wherein: the underwater anti-impact mechanism (3) comprises a plurality of log piles (31) and a plurality of water flow speed reducing bodies (32), and an installation space (33) for accommodating the water flow speed reducing bodies (32) is formed between every two adjacent log piles (31); the water flow decelerating body (32) is arranged in the mounting space (33); a polyethylene foam plastic block (320) is padded between the adjacent water flow speed reducing bodies (32); a plurality of through holes (311) are formed in the circumferential direction of the log pile (31); the round wood pile (31) is fixedly connected with a fixed wood pile (34); the fixed wooden piles (34) are embedded in the through holes (311) and penetrate through the underwater tamping layer (30) to extend to the original soil layer.
3. An erosion-resistant revetment structure according to claim 2, wherein: the water flow speed reducer (32) comprises a water flow speed reducer main body (321), and fixing grooves (322) are formed in two sides of the water flow speed reducer main body (321) along the length direction of the water flow speed reducer main body (321); the diameter of the fixing groove (322) is equal to that of the log pile (31); a first groove (323) is integrally formed on the upper surface of the water flow speed reducer body (321); a second groove (324) is integrally formed on the lower surface of the water flow speed reducer body (321); the first groove (323) and the second groove (324) are both fixedly connected with a speed reducing plate (4); the water flow speed reducer body (321) is provided with a communication hole (325) for communicating the first groove (323) and the second groove (324); the speed reduction plate (4) is fixedly connected to the inner wall of the opening of the first groove (323).
4. An erosion-resistant revetment structure according to claim 3, wherein: the speed reducing plate (4) comprises a speed reducing plate main body (40), and a plurality of cylindrical holes (41) are formed in the surface of the speed reducing plate main body (40) in a penetrating mode; a rubber speed reducing block (5) is arranged in the cylindrical hole (41); the rubber speed reducing block (5) comprises a circular column (51) embedded in the cylindrical hole (41) and a fan-shaped speed reducing belt (52) integrally formed on the inner wall of the circular column (51); gaps (53) for water flow to pass through are formed between adjacent fan-shaped speed reducing belts (52).
5. An erosion-resistant revetment structure according to claim 4, wherein: the protective pile mechanism (22) comprises a single row of fir-wood piles (221), and the single row of fir-wood piles (221) penetrate through the underwater rammed layer (30) and extend into the original soil layer; the single-row fir wood pile (221) comprises a plurality of fir wood piles (2211) and tightening ropes (2210), wherein the fir wood pile (2211) is cut along the axis of the fir wood pile (2211) to form two embedded surfaces (2212); the embedding surfaces (2212) of the adjacent fir-wood piles (2211) are jointed; the fir-wood pile (2211) is circumferentially provided with a wired perforation (2213); the tightening rope (2210) penetrates through the line through holes (2213) to connect a plurality of fir wood piles (2211) into a row to form a single row of fir wood piles (221).
6. An erosion-resistant revetment structure according to claim 5, wherein: the pile protection mechanism (22) further comprises a connecting piece (222), and embedding grooves (2221) for embedding the single-row fir piles (221) are integrally formed in two pairs of side surfaces of the connecting piece (222); the diameter of the embedding groove (2221) is equal to that of the single-row fir-wood pile (221).
7. An erosion-resistant revetment structure according to claim 5, wherein: and a rubber pad (2214) is padded between the embedding surfaces (2212) of the adjacent fir-wood piles (2211).
8. An erosion-resistant revetment structure according to claim 1, wherein: the ecological balance layer (23) is formed by paving a plurality of ecological bricks (6); the ecological bricks (6) are laid on the river bank tamping layer (21); the ecological brick (6) comprises an ecological brick main body (61), and a cultivation groove (62) is integrally formed in the ecological brick main body (61); a water guide hole (621) is vertically and downwards formed at the bottom of the cultivation tank (62); reinforcing columns (622) are integrally formed at four corners of the bottom surface of the ecological brick main body (61); the ecological brick main body (61) is provided with a soil conservation plate (63); the soil conservation plate (63) is provided with a groove hole (631) for vegetation growth.
9. An erosion-resistant revetment structure according to claim 2, wherein: the outer wall of the log pile (31) is tightly hooped by steel wires to form a reinforcing layer (312); the outer wall of the log pile (31) is sprayed to form a waterproof coating.
Priority Applications (1)
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CN202022334070.4U CN213625470U (en) | 2020-10-19 | 2020-10-19 | Bank protection structure of riverbed scour prevention |
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CN202022334070.4U CN213625470U (en) | 2020-10-19 | 2020-10-19 | Bank protection structure of riverbed scour prevention |
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