29 results about "Shore protection" patented technology

The invention discloses an unmanned aerial vehicle bank protection patrol obstacle avoidance method and a computer readable storage medium. The method comprises the steps that the initial flight position of an unmanned aerial vehicle is determined, and the unmanned aerial vehicle is controlled to fly forwards from the initial flight position; according to a preset period, performing water surface identification on the real-time shot image of the unmanned aerial vehicle, and according to a water surface identification result, determining a flight path point so that the unmanned aerial vehicle flies along a shoreline; according to the real-time depth map and the water surface recognition result, whether an obstacle exists in front is judged; if the obstacle exists and the depth value of the obstacle is smaller than a preset depth threshold value, newly adding a flight path point according to the height of the obstacle; and according to the real-time positioning position of the unmanned aerial vehicle, calculating map coordinates of each flight path point on the map, and according to a preset number of flight path points closest to the unmanned aerial vehicle, updating the flight path. According to the invention, autonomous shore patrol and obstacle avoidance of the unmanned aerial vehicle can be realized.

The invention discloses an unmanned aerial vehicle bank protection patrol method and a computer readable storage medium, and the method comprises the steps: determining an initial flight position of an unmanned aerial vehicle, and controlling the unmanned aerial vehicle to fly forwards from the initial flight position; according to a preset period, performing water surface recognition on the real-time shot image of the unmanned aerial vehicle to obtain a water surface area, and performing contour extraction on the water surface area to obtain a contour point set of the water surface area; acquiring a near-shore point set and an opposite-shore point set according to the contour point set; according to the contour points in the near-shore set, calculating corresponding flight path points, so that the unmanned aerial vehicle flies along the near-shore line; and according to the contour points in the opposite bank point set, the flight path points are adjusted, so that the unmanned aerial vehicle flies above the water surface area. According to the invention, autonomous shore patrol of the unmanned aerial vehicle can be realized.

The application presents a natural-based solution to the problem of coastal protection, based on soft engineering and minimising use of raw materials and energy use. Through the integration of field work, laboratory analysis, and in situ formation, a multidisciplinary approach incorporating sciences such as geomorphology, microbiology, geology, morphodynamics and engineering is employed. The process facilitates the development of an artificially-triggered, but naturally-developed submerged structure, offering a comprehensive approach to coastal protection that can have diverse applications in coastal engineering.

1. The name of the product of this design: Brick (permeable mortise and tenon brick). 2. Purpose of this design product: ecological porous bricks used in marine ecological revetment projects. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention discloses a shallow water tidal energy power generation device with a bottom bed erosion and deposition measurement function and application. The shallow water tidal energy power generation device comprises a device outer frame, a cylindrical guide rail with a coil and an overwater floating body. The device outer frame comprises an overwater frame structure and a supporting structure, one end of the supporting structure is connected with the overwater frame structure, and the other end of the supporting structure penetrates into the water bottom and is used for fixing the device. The cylindrical guide rail with the coil is connected with the upper end of the water floating body through a stainless steel structure and wound with the coil, and the coil is connected with a system processor and used for supplying power. The overwater floating body is connected with the device outer frame and comprises a cake-shaped floating body and a cylindrical floating body, and the cake-shaped floating body is used for improving the stability of the floating body; the cylindrical floating body is used for driving the coil to move. The device is used near a shallow water coast, and the acting force of water flow and waves on the coast is reduced; the device can also be used for the trailing edge of an existing structure in a shallow water area, utilizes a rear vortex street to generate electric energy, improves the utilization of seawater energy by human beings, monitors the erosion and deposition of a bottom bed, and plays a certain role in coast protection.

The invention discloses a coral mortar bank protection structure based on built-in grating type mold bags, which is characterized in that the built-in grating type mold bags are laid on a bank slope, and coral mortar is filled in the built-in grating type mold bags; the plastic grating is embedded in the built-in grating type mold bag, and the mold bag is provided with the transverse reinforcing ribs, the longitudinal reinforcing ribs and the vertical reinforcing ribs for reinforcing, so that the filled coral sand can be stably located in the built-in grating type mold bag, and a stable bank protection structure is formed. In addition, the coral mortar revetment structure is very convenient to construct, the built-in grating type mold bag can be conveniently contracted into a roll before being filled with mortar, and therefore the built-in grating type mold bag can be prefabricated in a factory in advance and transported to a bank slope construction site in a rolled state, and the construction efficiency is greatly improved. And then the built-in grating type mold bag is unreeled and laid on a bank slope construction site, and mortar is poured and filled into a mold bag body.

The present application relates to a high-stability river greening anti-collision bank protection structure, including multiple anti-collision parts, the anti-collision parts include a base and multiple frames, the multiple frames are stacked on the top surface of the base and cover the river bank soil layer, and also include a first anti-collision plate, and a rotating component for driving the first anti-collision plate to rotate is arranged on the base. The setting of the first anti-collision plate in the present application makes it difficult for river water to impact the soil in the frame, thereby reducing the soil loss in the frame, so that the staff does not need to regularly repair the bank protection, reducing the consumption of materials, reflecting the concept of energy saving and environmental protection, and reducing the use cost of the bank protection; the setting of the first elastic part, the end face of the anti-collision part is used to intercept garbage and slide along the end face of the anti-collision part to the base, so that the garbage is not easy to enter the river channel and pollute the river channel, thereby reflecting the concept of environmental protection; the setting of the hand wheel and the rotating screw rod, the staff does not need to climb to the base to clean the filter barrel, thereby facilitating the staff to clean the filter barrel and improving the safety of the staff to clean the bank protection.

The present invention relates to the technical field of bank slope protection, and discloses a bank slope protection device and method for waterway maintenance engineering, including a floating board arranged on one side of a bank protection dam, a pedal fixedly connected to the upper surface of the bank protection dam, a first connecting line fixedly connected to the upper surface of the floating board, and one end of the first connecting line passes through the pedal and extends to be arranged above the pedal, and one end of the first connecting line located above the pedal is fixedly connected to a first unidirectional drive connection assembly. The present invention, by arranging a floating board, can absorb the energy of water waves to reduce the energy of water waves, reduce the erosion of water waves on the bank protection dam, and protect the bank protection dam. At the same time, when the floating board moves downward, the energy of water waves can be converted into electrical energy for storage through the floating board, and by arranging a light bar, electrical energy can be used to power the light bar at night, so that the light bar provides lighting for the bank protection dam of the waterway, ensuring safe driving of the waterway.

The utility model discloses a polygonal bank protection pile with a three-centered arc inner wall, which comprises a bank protection pile body, the bank protection pile body is a stand column with an inner wall and an outer wall which are opposite to each other, and the cross section of the outer wall is a symmetrical polygonal outline defined by connecting a bottom edge and a plurality of side edges. The cross section of the inner wall is a three-centered arc-shaped notch arranged along the bottom edge, the two ends of the three-centered arc are located on the bottom edge, and the three-centered arc is configured to cut the bottom edge into two divided sections. According to the bank protection pile, materials can be effectively saved, the bank protection area is increased, and good bending resistance and economical efficiency are achieved.

The application discloses a kind of optimal filling rate calculation method of multilayer sand-filled geotextile pipe coast beach protection, belong to the technical field of coast protection engineering.The quantitative relationship between filling rate and geotextile pipe elliptical section size is established, the overall multilayer structure is taken as the research object, the anti-sliding torque and sliding torque are calculated, and the explicit function relationship between the anti-sliding stability safety factor and the filling rate is derived;Finally, the safety factor and the filling rate relationship curve is drawn, and the filling rate corresponding to the highest point of the curve is taken as the optimal filling rate.The application can scientifically and quantitatively determine the optimal filling rate of multilayer sand-filled geotextile pipe under different marine environmental conditions, effectively reduce the waste of filling material under the premise of ensuring the anti-sliding stability of the structure, significantly reduce the engineering cost, and improve the wind and wave erosion resistance and long-term service life of the structure.The method is simple, accurate and suitable for various coastal engineering such as coast protection, sea embankment protection, beach management, etc.

The utility model relates to the technical fields of garden design and river and lake management, and discloses a garden design river and lake revetment structure that is easy to assemble, including a base plate, mounting holes are provided in the middle of the left and right sides of the upper surface of the base plate, a storage mechanism is provided above the base plate, the storage mechanism includes a fixed cylinder, the lower surface of the fixed cylinder is fixedly connected to the middle of the upper surface of the base plate, a winding roller is provided in the middle of the inner part of the fixed cylinder, and a first rotating shaft is fixedly connected to the middle of the left side of the winding roller. The utility model uses the mounting holes and the fixed cylinder provided on both sides of the upper surface of the base plate, and the winding roller can rotate inside the fixed cylinder through the first rotating shaft and the second rotating shaft on the left and right sides, and the winding roller is driven to rotate by the knob, and the rectangular groove runs through the middle of the upper surface of the fixed cylinder, and then the protective net can be rolled up on the outer surface of the winding roller, thereby achieving the purpose of improving the convenience of the device and facilitating assembly.

The present invention provides a method for constructing a coastal plant dune, comprising: arranging a plurality of dune protection belts on the beach in the upper-middle part of the high tide zone or the supratidal zone, wherein the protection belt includes an outer layer close to the sea, an inner layer close to the coast, and a stacking area formed by the outer layer and the inner layer; sand passes through the outer layer and enters the stacking area, until a dune with a target diameter and a target height is formed in the stacking area, and then at least two belts of vegetation are planted on the dune according to the salt tolerance level from the sea to the land to form a shrub dune, wherein the shrub dune can settle the sand carried in the wind or sea water, and can continuously accumulate the dune with the growth of the vegetation. The method of the present invention uses artificial intervention to quickly construct the dune, which has a positive effect on the formation and stability of the shrub and grass dune, and has the functions of wave dissipation and shore protection for the eroded sandy coast.

The invention provides a Yangtze River midstream bank slope combined bank protection method and system under the multi-source hydraulic coupling effect. The method comprises the steps that a bank slope two-dimensional finite element model is established based on geological basic data, hydrological basic data and bank slope design data of the position where a bank slope is located; obtaining rainfall measured data and water level change measured data, applying the rainfall measured data and the water level change measured data to a bank protection structure of the bank slope two-dimensional finite element model as boundary conditions, and calculating to obtain pore water pressure; wave pressure of the bank slope is obtained through calculation; based on the rainfall measured data, the water level change measured data and the pore water pressure and the wave pressure of a bank slope soil body of the bank slope under the rainfall-water level effect, the horizontal displacement and the safety coefficient of the bank slope adopting different combined bank protection structures are calculated and obtained; and obtaining the bank slope bank protection method based on the clay layer thickness, the horizontal displacement and the safety coefficient. According to the method, the bank slope and bank protection safety conditions under the multi-source hydraulic coupling effect are considered, the accurate river bank safety condition is obtained through comparison and selection, and theoretical support is provided for bank protection selection.

The utility model discloses a wave pile for bank protection, which comprises unit piles, and the adjacent unit piles are sequentially connected end to end through connecting pieces to form a wave-shaped structure; convex edge parts are arranged at the two ends of each unit pile, and limiting grooves corresponding to the connecting pieces are formed in the convex edge parts; vertical pouring grooves are formed in the two end faces of each unit pile and filled with cement mortar, so that every two adjacent unit piles are fixedly connected. The utility model has the advantages of novel structure, convenience in construction, no toppling, high stability and durability.

The utility model provides a hydraulic engineering embankment revetment structure. Belongs to the technical field of embankment revetment. According to the technical scheme, the bank protection structure comprises a bank protection body, a plurality of protection bricks are laid on the slope face of the bank protection body, the four corners of each protection brick are arranged in a plane mode, T-shaped clamping grooves are formed in the four corners of the top of each protection brick, and matched clamping pieces are movably clamped in the four adjacent T-shaped clamping grooves of the four protection bricks together. An inserting hole penetrates through the center of the top of the clamping piece, a ground inserting screw is inserted into the inserting hole, a water storage ditch is formed in the slope bottom of the bank protection body in the vertical direction, a mounting groove is formed in the top of the water storage ditch, a grating cover is movably placed in the mounting groove, and an irrigation mechanism is arranged on the slope top of the bank protection body; the utility model aims to provide a hydraulic engineering embankment revetment structure. The bank protection structure is used for solving the problem that protection bricks in an existing bank protection structure are prone to deviation when washed by rainwater for a long time.

The invention relates to the technical field of river channel bank protection, in particular to a bank protection structure for modern ecological river channel renovation, which comprises an outer frame comprising four vertical pipes, and the exteriors of the four vertical pipes are rotatably connected with side plates; the partition frame comprises four connecting plates, partition plates are rotationally connected into the four connecting plates, and the bottom plate is movably connected into the outer frame in a sleeved mode; the fixing assembly comprises four fixing plates arrayed in the circumferential direction, the two ends of each fixing plate are rotationally connected with a connecting groove plate and an inserting plate respectively, the interiors of the four fixing plates are movably connected with sliding rods in a sleeving mode, and the exteriors of the four sliding rods are movably connected with buffer springs in a sleeving mode; the supporting assembly comprises a sleeve rod, and an extension rod is movably connected into the sleeve rod in a sleeved mode. A plane is formed by folding the outer frame and the separation frame, so that the size can be reduced, and the transportation is more convenient; by pulling the extension rod, the tree can be stably supported, meanwhile, the buffer effect can be achieved when the tree shakes, and limitation to tree growth is avoided.

The quantitative design method comprises the steps that according to the overall arrangement of a bank protection project, the protection range of a bank protection of the sinking mattress is determined, the protection range is divided into standard rectangular units, and the size of each standard rectangular unit is consistent with the size of a single sinking mattress during implementation; the riverbed terrain curved surface is segmented according to the obtained rectangular units, and geometric parameters of the riverbed terrain curved surface in each unit are analyzed; according to the obtained riverbed terrain curved surface geometric parameters in the protection range, the reduction rate psi of the actual coverage area after the single sinking mattress is laid is calculated in combination with sinking mattress structure material parameters; according to the obtained reduction rate psi, the designed lap length b of the sinking drainage in the downstream water flow direction and the designed length L of the sinking drainage in the direction perpendicular to the water flow direction are calculated; according to specific conditions such as riverbed terrain curved surface parameters, sinking mattress structure material parameters and engineering overall arrangement, the sinking mattress structure is quantitatively designed and arranged, and the rationality, safety and economical efficiency of the structure are guaranteed.

The present invention discloses a method for constructing a coastal ecological corridor that takes into account the lateral connectivity and longitudinal buffering functions, including: investigating the coastal ecological environment of the study area, analyzing ecological stress factors, identifying the main ecological problems in the region and obtaining quantitative results; based on the main ecological problems in the region and the quantitative results, proposing the lateral ecological connectivity and longitudinal buffering and isolation functions that the coastal ecological corridor should have. Horizontally, the minimum cumulative resistance model (MCR) is used to evaluate and identify ecological sources based on methods such as habitat quality and ecological sensitivity, optimize the setting of terrestrial resistance surfaces, and construct an ecological corridor layout for the diffusion and migration of coastal organisms. Vertically, a multi-level coastal ecological corridor structure is established, and engineering design is carried out to exert diverse ecological functions such as buffering. This method aims to connect various fragmented habitats, maintain biodiversity in coastal areas, and provide ecological security guarantees for wave breaking, bank protection, erosion resistance, and buffering and filtration by constructing a multifunctional coastal ecological corridor.

The utility model relates to a side slope revetment combined with a prefabricated drainage structure. The method is suitable for hydraulic engineering. The technical problem to be solved by the application is to provide the side slope revetment combined with the prefabricated drainage structure. According to the technical scheme, the side slope revetment combined with the prefabricated drainage structure is provided with a revetment structure arranged beside a side slope soil body and is characterized in that a plurality of inserting holes are formed in the revetment structure and penetrate through the revetment structure, the first ends of the inserting holes are lower than the second ends of the inserting holes, the first ends are the ends, away from the side slope soil body, of the inserting holes, and the second ends of the inserting holes are lower than the second ends of the inserting holes. The second end is the end, close to the slope soil body, of the inserting hole; a prefabricated drainage pipe is inserted into the insertion hole of the bank protection structure, and the prefabricated drainage pipe penetrates into a side slope soil body on one side of the bank protection structure; the first end of the prefabricated drainage pipe is a water outlet corresponding to the first end of the inserting hole in position, the second end of the prefabricated drainage pipe is a sharp head portion facilitating insertion of the prefabricated drainage pipe into a slope soil body, and a plurality of water inlets are formed in a pipe body of the prefabricated drainage pipe.

The utility model discloses an assembly type concrete bank protection structure, and relates to the technical field of bank protection. The fixing device comprises side plates, a fixing column, a bottom plate and a reinforcing mechanism. The connecting stability of the side plates and the bottom plate can be guaranteed under the action of the fixing columns, so that the using effect of the side plates and the bottom plate can be guaranteed, the side plates and the bottom plate can be detached, combined installation is convenient, and the side plates and the bottom plate are prefabricated parts and can be directly customized, purchased and used; under the action of a reinforcing plate, the connecting stability of a connecting seat and a limiting seat can be improved, the stress strength of a top seat and a base can be improved, under the action of a reinforcing column, the stress strength of the reinforcing plate and a fixing seat can be guaranteed, and under the action of a transverse shaft, the strength of the fixing seat and the base can be improved; under the action of the whole reinforcing mechanism, the stress strength of the side plates and the bottom plate can be improved, connection is convenient, and the connection stability of the side plates and the bottom plate can be guaranteed.

The invention relates to the technical field of ocean bank protection engineering, and provides a solidified marine facies soft soil FRP-H-shaped steel bank protection structure and a construction method.The bank protection structure comprises a solidified marine facies soft soil layer and FRP-H-shaped steel bank protection piles, and the FRP-H-shaped steel bank protection piles are arranged in the solidified marine facies soft soil layer along an embankment; the FRP-H-shaped steel bank protection pile comprises a bank protection pile body, the bank protection pile body is filled with concrete, the bank protection pile body comprises an FRP shell structure and H-shaped steel, the FRP shell structure comprises FRP shell units which are clamped end to end, each FRP shell unit comprises two FRP outer shells which are oppositely arranged, and the two FRP outer shells are connected through the H-shaped steel. According to the scheme, the mechanical property of the coast soft soil layer can be effectively solidified and enhanced, the anti-disaster and anti-seepage capacity of the coast soft soil layer is improved, light weight of the bank protection structure is achieved, the construction difficulty is lowered, the construction efficiency is improved, and the later maintenance cost is reduced.

The invention provides a bank protection base material water stability testing device and an evaluation method thereof. Comprising a sample test assembly which comprises a water containing tank, a sample placing table and a top plate, the top plate is arranged at the top of the water containing tank, and the sample placing table is arranged in the water containing tank through the top plate in a suspension mode; the data acquisition assembly comprises a morphology detection unit and a weight detection unit and is used for acquiring morphology change and weight change of the sample; the test condition simulation assembly comprises a water flow simulation unit, the water flow simulation unit comprises a pump set and a water pipe, and the water flow simulation unit can control the pump set to extract water in the water containing tank through the water pipe and convey the extracted water into the water containing tank again so as to form water flow in the water containing tank; the complex water flow simulation unit comprises a rotatable part, and the rotatable part can rotate to form complex water flow in the water containing tank; and the evaluation module is used for acquiring the morphology change and the weight change acquired by the data acquisition assembly, and evaluating the stability of the sample based on the weight change and the morphology change.

This invention discloses a breakwater structure for wave dissipation and shore protection, comprising a vertical box-shaped structure and a wave-dispelling nozzle block mounted on top of the box-shaped structure. Three rows of water inlets are provided on the wave-facing side of the vertical box-shaped structure. Two layers of grids are spaced apart from top to bottom within the inner cavity of the box-shaped structure, with multiple permeable holes arranged in an array on the grids. Multiple arc-shaped guide surfaces are also provided on the inner wall of the vertical box-shaped structure. These arc-shaped guide surfaces reduce the frontal impact force of each water flow on the inner wall of the vertical box-shaped structure, better promoting vertical collisions between water flows and achieving energy dissipation. The wave-dispelling nozzle block includes a base and an arc-shaped wave-dispelling nozzle structure mounted on the base. The arc-shaped wave-dispelling nozzle structure includes a vertical arm and a horizontal support arm connected to the top of the vertical arm. The wave-facing sides of the vertical arm and the horizontal support arm are provided with arc-shaped guide surfaces, which are used to guide the overrushing water back to the sea side. This invention is simple to construct, has good overall integrity, and can effectively dissipate the energy of water waves.

The utility model discloses a kind of combined revetment piles, it is related to embankment technology field, including pile body, the protrusion is provided in pile body one side, the recess is provided in another side of pile body, adjacent two pile bodies are inserted by protrusion and recess, protrusion and recess can be vertically inserted along multiple angles, so that multiple connected pile body can be enclosed arc embankment structure;It also includes cutting body, cutting body is located in the lower part of pile body;By setting the protrusion and recess of circular structure in the two sides of pile body, so that adjacent two pile bodies can be inserted along different angle and be connected, so that different shape embankment line can be formed between multiple pile bodies to adapt river bank and lake bank, effectively improve the applicability of revetment pile;Meanwhile, by setting the cutting body of assembly, the split processing of revetment pile is realized, to enrich the installation mode of pile body.

The invention relates to the technical field of coast protection and restoration, in particular to an ecological wave dissipation embankment. The invention aims to provide an ecological wave dissipation embankment which can realize wave dissipation protection and ecological restoration. According to the technical scheme, the ecological wave dissipation embankment comprises a plurality of ecological wave dissipation units which are arranged on the coastal side of a vertical seawall and are sequentially arranged in the extending direction of the vertical seawall; each ecological wave dissipation unit comprises a wave dissipation block with the top protruding and multiple stages of wave dissipation areas arranged on the wave dissipation block.

1. The name of this design product: retaining wall and revetment (green ecological retaining wall and revetment). 2. The purpose of this design product: to provide habitat for organisms and protect the soil on both sides of the river bank. 3. The design point of this design product: shape. 4. The picture or photo that best illustrates the design point: three-dimensional picture. 5. The bottom surface of this design product is not easy to see or cannot be seen when in use, so the top view is omitted.

The invention discloses a processing device of a concrete vegetation bank protection structure based on 3D printing and a using method, the device comprises printing equipment and a feeding barrel, the interior of the feeding barrel is rotatably connected with a rotating rod, the top end of the feeding barrel is connected with a first motor, and an output shaft of the first motor is connected with the top end of the rotating rod; the outer surface of the rotating rod is slidably connected with a first ring, a second ring and a third ring which are mutually connected; the bottom end of the third ring is connected with a filter frame; a plurality of rotating rods are circumferentially distributed at the bottom of the filter frame; the bottom of the rotating rod is rotatably connected with the bottom of the filter frame; the top of the rotating rod extends out of a gap between the second ring and the third ring; a lifting mechanism is arranged in the feeding barrel and is matched with the rotating rod; the device aims to quickly and uniformly mix a large number of 3D printing materials required by bank protection engineering, so that the mixing efficiency and the mixing effect are improved, better engineering quality is provided for a specially designed bank protection engineering structure for 3D printing, and the problems of low material mixing efficiency and poor mixing uniformity in the prior art are solved.

The present invention discloses a combined revetment combined with short-term and long-term planning, including a primary revetment and a prefabricated secondary L-shaped revetment, the prefabricated secondary L-shaped revetment is composed of a plurality of concrete prefabricated revetment sections, the two ends of the concrete prefabricated revetment sections are respectively provided with matching connecting convex teeth and connecting concave teeth, the adjacent two prefabricated secondary L-shaped revetments are connected by connecting convex teeth and connecting concave teeth, the connecting convex teeth and connecting concave teeth are connected by bolts, a rubber water stop groove is provided between the connecting convex teeth and the connecting concave teeth, a water-expanding rubber strip is provided in the groove, a low-foaming polyethylene plate is filled at the connection between the connecting convex teeth and the connecting concave teeth, and a single-component polyurethane sealant is used to seal the outer surface of the deformation joint. The combined revetment of the present invention can be implemented according to the blue line of the planned river channel or when the landscape is improved in hydrophilicity, the secondary revetment can be disassembled and reused, reducing abandoned projects, reducing construction difficulty, and reducing the impact of construction on the surrounding environment.

The invention discloses an indented self-floating wave-absorbing embankment, and belongs to the technical field of wave-absorbing embankments. The indented type self-floating wave absorbing embankment comprises a revetment and is characterized in that the revetment is built on the embankment, the revetment is of a step-shaped structure and is provided with a plurality of steps, the revetment is provided with a plurality of trash racks, the trash racks are installed on the steps of the revetment in a one-to-one correspondence mode, and each trash rack comprises a first vertical grid, a second vertical grid and a horizontal connecting plate; the second vertical grating is fixed to the outer edge of the current step of the revetment and is flush with the edge, the first vertical grating is fixed to the horizontal plane of the next step of the revetment, a sliding cavity is defined by the horizontal plane of each step, the longitudinal side face of the upper step, the first vertical grating, the second vertical grating and the horizontal connecting plate, and a self-floating wave wall is arranged in the sliding cavity. The self-floating wave walls on the multiple steps are arranged in a staggered mode, the step revetment and the self-floating wave walls are integrally designed, wave energy dissipation is considered from the water depth and the water surface, the energy dissipation effect is improved, and water erosion damage to a bank body is reduced.