135 results about "Buffer strip" patented technology

An erosion coast ecological protection system comprises: ecological submerged dikes, tidal flat habitats, vegetation habitats and ecological breeding areas arranged in sequence from sea to land on the erosion coast; the ecological submerged dikes are arranged in the subtidal zone parallel to the coast, the overall structure is composed of multiple sections of submerged dikes and gates, and the length of a single section of submerged dikes is not less than 8 times the wavelength; the tidal flat habitat is connected with the ecological submerged dike and is properly decorated according to the tidal flat terrain to form a multiple habitat consisting of shallow water areas and deep water areas; the vegetation habitat area is located in the intertidal zone, and its outer edge is arranged with riprap to avoid tidal channels, the slope is about 1:2-1:3, and a vegetation belt of not less than 50m wide is planted on the land side; the ecological breeding area is provided with a plurality of breeding ponds with field-shaped channels, the top width of the channel is about 4-6m, and several rows of tamarisks are planted to form a wind-resistant buffer zone.

The invention relates to the technical field of ecological restoration and carbon sink evaluation, and discloses a river and lake ecological buffer zone carbon sink potential evaluation and restoration construction system which comprises a carbon sink potential evaluation module, an intelligent restoration construction module and a collaborative verification module. The carbon sink potential evaluation module is used for collecting soil and vegetation data and calculating the carbon sink potential; the intelligent restoration construction module executes ecological restoration based on a carbon sink potential evaluation result; and the collaborative verification module verifies the repair effect through multi-source data fusion, and returns an optimization instruction to the carbon sink potential evaluation module and the intelligent repair construction module. The vegetation coverage index and the root biomass density are acquired by using a multispectral sensor array, a carbon sink model is constructed by combining the organic carbon content of soil, dynamic weight adjustment is introduced, and the weight is updated according to aerial survey data of an unmanned aerial vehicle in each quarter, so that a more accurate and more economical carbon sink potential evaluation basis can be provided for ecological restoration, and the ecological restoration efficiency is improved. And resource waste and invalid repair are avoided.

The invention relates to the technical field of slope protection structures, in particular to a slope protection structure for vegetation buffer strip repair, which comprises a fixed seat, an adjusting mechanism rotatably connected to the fixed seat, an adjusting seat rotatably connected to the adjusting mechanism, a rotating rod rotatably connected to the adjusting seat, and two slope protection frames fixedly connected to the rotating rod. The U-shaped frames are fixedly connected to the slope protection frame, the reed planting mechanisms are rotatably connected to the U-shaped frames, the manger boards are fixedly connected to one sides of the U-shaped frames, and the sunshade mechanisms are rotatably connected into the manger boards. The angle of the slope protection frame can be adjusted to be suitable for the angle of the reservoir shoal, so that reeds planted at the reservoir shoal can be centralized and fixed, the slope protection and water and soil conservation functions in water conservancy projects are helped to be restored by utilizing the natural advantages of the reeds, and the ecological restoration effect is achieved in water edge areas such as the reservoir shoal.

The invention relates to the technical field of buffer zone planning, and particularly discloses an ecological buffer zone planning method, which comprises the following steps: acquiring remote sensing image data and hydrological data of a target river and lake area for determining the type of a river and lake shore zone and the range of a water level amplitude variation area; calculating the width of a land area buffer area by combining slope data and land utilization type data on the basis of the type of the river and lakeshore zone and the range of the water level amplitude variation zone, and generating a preliminary buffer zone range; the preliminary buffer zone range is calibrated, manual adjustment is carried out in combination with a river and lake management shoreline and a land utilization type map, and a final ecological buffer zone range is determined; according to the method, the improved normalized water body index is combined with the dynamic threshold segmentation technology, the water body and the vegetation coverage area are effectively distinguished, and the misjudgment risk caused by vegetation or terrain interference in a traditional method is reduced. The technology can adapt to water body changes under different seasons and climate conditions, the scientificity and consistency of water level variable amplitude area demarcation are ensured, and a reliable space basis is provided for the buffer zone range.

The invention discloses a river and lake sediment environment quality background value determination and evaluation method, and belongs to the technical field of environment pollution evaluation. Collecting soil of a river and lake to be evaluated or a river and lake buffer zone in the same watershed for analysis to obtain control group data, and taking the control group data as a background reference value; selecting an evaluation point location from the river and lake to be evaluated, collecting sediments and benthonic animals of the evaluation point location, analyzing species composition of the sediments and the benthonic animals to obtain detection group data, and taking the detection group data as an evaluation value; comparing the evaluation value with a background reference value to obtain a pollution value; setting a score assignment standard to assign scores to the pollution value and the benthonic animal diversity, and calculating the score of the evaluation value through a score assignment result; and constructing a river and lake sediment environment quality evaluation index according to the score, and determining the river and lake sediment environment quality condition based on the river and lake sediment environment quality evaluation index. Therefore, the river and lake sediment environment quality condition is comprehensively reflected by improving the accuracy of the background reference and establishing a multi-dimensional index system.

The invention relates to the technical field of soil change characteristic analysis, in particular to a soil pH spatial-temporal change characteristic analysis method which comprises the following steps: scanning a target area through a vehicle-mounted microwave radar to obtain a soil dielectric constant distribution diagram, and identifying a jump critical point of which a dielectric constant gradient value is greater than a gradient threshold value; s2, taking the jump critical point of S1 as a center, laying sampling clusters in a preset radius range, detecting the soil colloid content and the actually measured pH value, correcting the pH values of multiple points in each sampling cluster, performing difference judgment, and marking a jump confirmation cluster based on a judgment result; taking the jump confirmation cluster as a spatial interpolation breakpoint, performing partition independent interpolation based on the actually measured pH value, and generating a soil pH spatial-temporal change map with a jump boundary; according to the method, the buffer zones are arranged on the two sides of the breakpoint, and the enhancement correction model based on dielectric gradient driving is introduced, so that a clear and visible abrupt change boundary zone is successfully formed in the atlas, and the expression of color gradation sharpening of the abrupt change area is realized.

The invention discloses a composite artificial wetland system, and relates to the technical field of artificial wetlands. The composite artificial wetland system comprises an ecological pool, and a surface flow wetland unit, a horizontal subsurface flow wetland unit, an internal circulation system unit and plant ecological buffer zone units around the wetland are arranged in the ecological pool; the surface flow wetland unit comprises a wetland water inlet pipe and a wetland water outlet pipe which are arranged on the two sides of the ecological pool respectively, a gravel layer and a medium-coarse sand planting layer are sequentially stacked and laid at the bottom of the ecological pool, and a submerged plant vallisneria natans community is planted on the medium-coarse sand planting layer; the invention solves the problems of single function, low treatment efficiency and the like of the traditional constructed wetland, has the advantages of prominent denitrification effect, good phosphorus removal and suspended matter interception effect, strong impact load resistance, low cost, easiness in maintenance, ecological friendliness, landscape fusion and the like, also has the advantages of initial rainwater interception and the like, and is wider in application range.

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The invention provides a regional soil fertility space-time evolution prediction method and system, and relates to the field of data processing prediction.The method comprises the steps that agricultural management events such as fertilization and irrigation are captured in real time through an edge computing node cluster, and an asymmetric time window is constructed based on a soil permeation rate model; extracting meteorological and satellite data in the window, querying the coupling rule table by using a triple index, and generating a coupling factor data set with a semantic mark; calculating a sliding time variance of a coupling factor in a grid unit, marking a high-entropy region and starting real-time stream processing when the sliding time variance exceeds a threshold value, and generating a soil state Hash fingerprint and performing dormancy collection when the sliding time variance is lower than the threshold value; constructing a regional event path directed graph, selecting a similar neighborhood event chain as a prediction framework, and registering an empty window region; the neighborhood topology is scanned in a buffer zone of a window area, after a compliance event sequence is captured, a window is removed, similar neighborhood historical data is migrated and injected into a local sequence, and parameters are finely adjusted through incremental learning to reconstruct an exclusive prediction model.

The invention relates to the technical field of ridge construction, and discloses an ecological ridge construction method for slowing down lateral seepage and intercepting non-point source pollution, which comprises the following steps of: extracting soil texture, elevation and area information of a target area, and scientifically delimiting a ridge and a farmland boundary by combining a spatial analysis and function partitioning algorithm; dynamically determining the height of the buffer zone according to the height difference relation and the flood and drought stress characteristics of plants; hydraulics characteristics are obtained through hydrological simulation, the width of the buffer zone and the filler amount are calculated based on the length-width ratio and hydrodynamic force coupling mechanism, optimal design of water flow regulation and control and pollution interception is achieved, and the stability and purification efficiency of the ridge system in different environments are ensured. According to the invention, the ecological ridge system with strong adaptability is constructed through cooperative analysis of multi-source terrain environment and ecological parameters.

The invention provides a waste iron ore tailing pond comprehensive treatment construction method which comprises the following steps: S1, landform measurement: measuring and detecting landform by using an unmanned aerial vehicle so as to form a digital model of a landform area range, S2, landform trimming simulation: trimming the generated digital model so as to form a landform area range, and S3, carrying out comprehensive treatment on the landform area range. The volume of earthwork needing to be carried and moved in the correction process can be calculated through a digital model, the carrying directions of different earthwork volumes are determined, and aiming at the problems of low actual construction efficiency and the like, protective measures such as an impermeable layer and a slope masonry grid are arranged on a dam body, vegetation greening and the like are adopted to eliminate potential safety hazards of the dam body; a percolation facility composed of a water storage layer, a percolation body, an anti-seepage film, a percolation pipe, a drainage pipe and the like, a plant buffer zone and the like are arranged in the reservoir area beach face range, and therefore a comprehensive integrated system combining interception, drainage, buffering and percolation of surface runoff is formed in the reservoir area range.

The invention discloses a method for confirming the width of a heat island corridor of an urban heat island network, and belongs to the technical field of urban ecological intelligent analysis. The method comprises the following steps: inverting the surface temperature of a research area; in combination with morphological spatial pattern analysis, landscape connectivity indexes and circuit theories, screening a heat island source ground and generating a resistance surface, and constructing a multi-grade urban heat island corridor network; constructing a multi-level buffer zone for different levels of galleries, and respectively extracting surface temperature mean values; extracting a buffer zone temperature extreme value of each grade of gallery, calculating a temperature difference parameter, and quantifying the heat exchange intensity; calculating heat transfer efficiency per unit area by combining the area of the buffer zone; analyzing the nonlinear attenuation characteristics of the heat transfer efficiency along with the offset distance of the buffer zone, extracting the inflection point of the heat transfer efficiency, and taking the offset distance of the buffer zone corresponding to the inflection point as the space action width of the heat island gallery, thereby realizing the scientific definition of the space action boundary of the heat island network. The method can also provide a scientific basis for relieving the urban heat island effect, optimizing the green land layout and the like.

The invention provides a construction method of an ecological buffer zone of a reservoir hydro-fluctuation belt in a southwest karst region. The construction method comprises the following steps: S1, dividing a suitable recovery area of the hydro-fluctuation belt; s2, slope reconstruction and substrate improvement; s3, plant variety selection and configuration; s4, planting and maintaining the plants. The original soil condition of the hydro-fluctuation belt is improved through substrate improvement, the tolerance of plants to water level fluctuation is ensured through differentiated seed selection of the regions I-IV, the survival rate of vegetation in karst barren soil is increased, and the restoring capacity of an ecological system of the hydro-fluctuation belt is enhanced. According to the method, the storage submerged plant buffer pond is transformed on the lower portion of the hydro-fluctuation belt area or the artificial aquatic plants are arranged, the ecological buffer space of the hydro-fluctuation belt is prolonged, the storage pollution purification and retaining capacity is improved, and good application prospects are achieved.

The invention relates to the technical field of water treatment, and discloses a multi-stage linkage water quality purification treatment method for drainage basin treatment, which comprises the following steps: reducing the flow rate of drainage basin runoff entering a pretreatment pool by using a stepped energy dissipation ridge; an overflow weir is arranged between the pretreatment pool and the biochemical purification unit, runoff with the flow lower than a threshold value is guided to the biochemical purification unit according to a water level pressure head, and excessive flow is guided to a bank zone ecological buffer zone; enabling the runoff to sequentially flow through the anaerobic biological filter tank and the aerobic ecological tank, and generating gravity flow by utilizing a unit elevation difference; according to the invention, the self-adaptive flow distribution is realized by utilizing a water level physical signal, the scouring stripping of a microbial film of a biochemical unit by a dynamic load is effectively prevented, and the stability of the effluent quality of the system is maintained through kinetic energy level conversion.

The invention discloses a watershed ecological restoration method and a comprehensive improvement method, and relates to the technical field of watershed ecological environment treatment. The method comprises the steps that a drainage basin digital twinborn model is constructed, an ecological scheduling algorithm is embedded, and collaborative distribution of ecological water demand and production water is achieved; a climate self-adaptive composite ecological buffer zone is constructed, and the pollution interception and vegetation survival ability under the extreme climate is improved; biomass and low-pollution bottom mud in the drainage basin are subjected to resourceful treatment, the remediation cost is reduced, and secondary pollution is reduced; local functional florae are screened, and a slow-release microbial inoculum is prepared and added by adopting a composite embedding technology, so that the removal effect of refractory organic matters is enhanced; and multi-technology closed-loop regulation and control are realized through a digital twin model, and the repair process is dynamically optimized. Through multi-technology collaborative integration, the limitation of traditional fragmentation treatment is broken through, the ecological restoration effect and treatment economy of the drainage basin are remarkably improved, and the method is suitable for complex treatment scenes such as agricultural branch drainage basins.

The invention discloses a modularized dynamic load three-dimensional greening system. Comprising a bearing frame, plant modules, prestressed connecting pieces and the like. The load-bearing frame is fixed on a building facade or a roof, the top is integrated with a flexible solar film, and the bottom is provided with a water collection tank. The plant module is connected with the frame through a prestress connecting piece, the connecting piece is made of alloy steel, a dynamic load monitoring module and a self-adaptive adjusting mechanism are arranged in the connecting piece, and wind load and rain and snow load can be dispersed; a plurality of layers of composite light substrates are arranged in the module and comprise a water retention layer, a nutrition layer and a drainage layer, and a high-molecular water-absorbent resin film is arranged between the water retention layer and the nutrition layer; the capillary tube bundle is communicated with the water storage layer to form water circulation; the ecological buffer strip is of a three-dimensional net-shaped anchoring structure formed by drought-enduring creeping plant root systems, spiral grooves are formed in the side wall to guide the root systems to grow, and a microbial agent is sprayed on the surface; the quick-assembly interface adopts the design of a stainless steel spring buckle and a guide groove, and a magnetic suction auxiliary positioning device and a sealing self-checking module are additionally arranged.

Disclosed in the present invention is a slope protection brick for restoring a vegetation buffer zone, which relates to the technical field of slope protection devices. The slope protection brick includes a regular hexagonal brick main body, and an interior of the brick main body employs a hollow structure. Each side wall of the brick main body is provided with a water input hole, a top and a bottom of the brick main body are provided with funnel-shaped drain hoppers, and a side wall of each drain hopper is made of a water permeable material. A sealing block is arranged in each drain hopper in an abutted manner, the sealing block and the brick main body are jointly provided with a plurality of inverted trapezoidal grooves which are in mutual communication, and a limiting block is clamped in each inverted trapezoidal groove.

The utility model relates to a stable tiled ecological slope protection module for a riverway buffer zone, which comprises a square-frame-shaped module body and is technically characterized in that a concentric ring is arranged in the middle of the square-frame-shaped module body, and an annular hollow support plate is arranged between the lower edge of the square-frame-shaped module body and the lower end of the concentric ring; cylindrical nutrient soil blocks and annular nutrient soil blocks are arranged in the square-frame-shaped module body, first deep-root-system plant seeds are arranged in the annular nutrient soil blocks, second deep-root-system plant seeds are arranged in the cylindrical nutrient soil blocks, and an annular water cavity is formed in the upper edge of the square-frame-shaped module body; a plurality of flow guide channels are evenly formed in the side wall of the square-frame-shaped module body around the center line of the square-frame-shaped module body, a plurality of water passing through holes are formed in the peripheral wall of the concentric ring, and a water inlet is formed in the outer side face of the annular water cavity. Ecological combination of plants and soil below the slope protection body is guaranteed, the soil loss prevention function of the river channel buffer zone is guaranteed, and the service life of the slope protection is prolonged.

This invention relates to a riverbank vegetation buffer zone and its construction method, belonging to the field of ecological protection technology. The buffer zone includes multiple plant modules set along the riverbank slope, with adjacent rows of plant modules arranged in a stepped, staggered pattern. Each plant module includes a ring-shaped base plate fixed to the riverbank slope, a porous cylinder rotatably mounted on top of the ring-shaped base plate, and a planting cylinder located within the porous cylinder. The bottom end of the planting cylinder is fixedly connected to the riverbank slope. A dual-effect buffer system is provided on the porous cylinder, comprising multiple sets of outer buffer components evenly distributed along the outer circumference of the porous cylinder and multiple sets of inner buffer components evenly distributed along the inner circumference of the porous cylinder. One end of each outer and inner buffer component abuts against the outer and inner walls of the porous cylinder, respectively. This buffer zone, through the porous cylinder, outer buffer components, and inner buffer components forming a multi-level buffer structure, effectively absorbs the impact energy of water flow of varying intensities, effectively protecting the plant modules.

The invention discloses a method for constructing a medium slope riparian buffer zone in a cold region based on non-point source pollution blocking, and belongs to the technical field of river non-point source pollution treatment in the cold region. Submerged plants are planted in the submerged plant unit on the lower portion of the system by 15 cm in the river bank direction, pumice of 15 cm is placed close to the edge of the vegetation, and the whole unit is alternately and sequentially arranged; the upper emergent aquatic plant unit and the submerged plant corresponding unit are vacant, the unit corresponding to the pumice stone is used for placing emergent aquatic plant planting baskets and planting emergent aquatic plants, and a biological ribbon is suspended between the two units in the system; a living willow pile is wedged into a middle slope bottom riverbed at the position where the slope top extends towards the water surface by 0.7-1 m, gravel-cobble is laid at the bottom of the riverbed to the living willow pile, the long edge of a sand retention and turbidity reduction system is vertically placed on the gravel-cobble in the river bank direction, and the space between the river bank and the willow pile and the gap between the river bank and the willow pile are filled with the gravel-cobble; shrubs and arbors are planted close to the sand retention and turbidity reduction system to serve as an arbor and shrub interception area; herbaceous plants are planted close to the arbor and shrub interception area to serve as a herbaceous retention area.

The invention discloses a vertical revetment ecological buffer zone system self-adaptive to water level changes, and belongs to the technical field of ecological revetments, and the vertical revetment ecological buffer zone system comprises two slope protection frames arranged in parallel and distributed in the direction perpendicular to a revetment; the supporting columns are vertically arranged and fixed on the slope protection frame; the connecting chains are connected to the supporting columns; the multiple buffering slope protection units are distributed in an arrayed mode and are parallel to the revetment, and the two ends of each buffering slope protection unit are connected with the corresponding supporting columns through connecting chains; the multiple buffering slope protection units can form a multi-layer protection system, the overall stability of the revetment is enhanced, the buffering slope protection units can impact and intercept water flow through the first floating barrels and the second floating barrels in the front floating belts and the rear floating belts, and therefore the impact of the water flow on the revetment is effectively dispersed.

The modular ecological net flow channel structure comprises a land area buffer area, an ecological net flow channel and a water level variable amplitude area, a net flow channel division bin is arranged in the ecological net flow channel, a water collecting hole is formed in the upper portion of a water inlet area of the ecological net flow channel, the water inlet area is communicated with the net flow channel division bin through a bottom water passing hole, and the water inlet area is communicated with the water level variable amplitude area. A ceramsite purification layer is filled in the net flow channel division bin, and a top overflow port is formed in the upper part of the outer side of the net flow channel division bin. Modularized ecological flow purification ditch structures are added into a land area buffer area and a water level variable amplitude area of a river and lake ecological buffer zone, the hydraulic retention time of sewage in the buffer zone is prolonged, and the problem that runoff pollution cannot be effectively intercepted and purified due to the fact that the width of the buffer zone is insufficient can be solved; the method ensures that the runoff is effectively slowed down and dispersed before entering the lake, is an effective water environment treatment technology, and is of great significance for protecting the lake water quality and maintaining the river ecosystem.

The utility model provides a kind of farmland type ecological buffer zone structure, it is related to agricultural ecological environment management technical field, including land buffer area one, ecological regulation pond, land buffer area two and concave green land, land buffer area one, ecological regulation pond, land buffer area two and concave green land are sequentially distributed from farmland side to river embankment side, land buffer area one and land buffer area two are planted with arbor shrub and grass flower mat, the ecological regulation pond is sequentially provided with impermeable layer, adsorption layer and plant layer from bottom to top, the concave green land is laid with buffer base, the concave green land is planted with herbaceous plant and shrub. This structure effectively intercepts farmland non-point source pollution, reduces river pollutant, helps to strengthen river self-purification capacity, promotes aquatic animal and plant diversity development, and guarantees ecological benefit to play well.

The invention relates to the field of reclaiming equipment, and provides a scraper reclaimer for a mine stockyard, the scraper reclaimer comprises a reclaimer body, a connecting piece, a first buffer structure, a second buffer structure and a scraping structure, the first buffer structure comprises a first mounting plate, a connecting rod, a second mounting plate and a buffer assembly; and the second buffer structure comprises a third mounting plate, a connecting assembly and a buffer strip. A third mounting plate is connected with a scraping structure, resistance and acting force during collision can enable the third mounting plate to move in the horizontal direction and extrude buffer strips on the peripheral side, and certain buffer and energy dissipation effects can be achieved through the buffer strips; through the connecting rod hinged between the second mounting plate and the first mounting plate and the buffer assembly, when the angle of the second mounting plate is changed, the buffer assembly can further play a role in buffering and energy dissipation; and through the cooperation between the second buffering structure and the first buffering structure, the impact force generated on the chain can be obviously reduced, and therefore the good protection effect is achieved.

The invention relates to a river bank vegetation buffer zone nitrogen interception effect evaluation index screening method, which realizes scientific screening of criterion layer indexes by comprehensively considering weight, correlation and consistency inspection, and improves the accuracy and reliability of river bank vegetation buffer zone nitrogen interception effect evaluation. The method comprises the steps of data acquisition, data processing and index screening. Key index data obtained in real time is used as data; and data processing: preprocessing and standardizing the acquired data. According to the method, through precise screening of the significant correlation indexes, the model complexity can be significantly reduced, the index redundancy problem in a traditional evaluation method is avoided, the scientificity and practicability of an evaluation result are significantly improved, it is ensured that the screened index set has high correlation and consistency, the method is suitable for buffer zones of various configurations, and the method is suitable for large-scale popularization and application. A powerful technical support is provided for evaluating the effect of retarding the eutrophication of the water body by the nitrogen intercepted by the buffer zone.

The invention provides a sewage purification treatment device, and relates to the technical field of sewage treatment. The sewage purification treatment device comprises a filter cage, an internal purification module and an external purification module, a purification cavity with an opening in the top side is formed in the filter cage, and the opening in the top side corresponds to the sewage direct discharge port; the internal purification module is arranged in the purification cavity and comprises a deep purification layer, a filtration and adsorption layer and a vegetation buffer layer which are sequentially arranged from bottom to top, and drainage assemblies are arranged in the deep purification layer and used for discharging purified water out of the purification cavity; the external purification module is arranged on the periphery of the filter cage and comprises a waterproof buffer zone and a vegetation buffer zone which are sequentially arranged from inside to outside, the water outlet end of the drainage assembly is located in a buffer space formed between the waterproof buffer zone and the filter cage, and the vegetation buffer zone is arranged on the periphery of the waterproof buffer zone in a surrounding mode.

The invention discloses a multi-level dynamic toughness coast protection system and a design method, and the system sequentially comprises, from sea to land, a leading edge self-adaptive buffer zone which is arranged at a seabed scarp at the leading edge of a main seawall, is made of a discrete material, and is set to dynamically adjust the form to a stable profile under the action of hydrodynamic force; the offshore submerged siltation promotion and wave absorption barrier is arranged behind the front edge self-adaptive buffer zone in parallel, the crest elevation of the offshore submerged siltation promotion and wave absorption barrier is located near the average tide level, and the offshore submerged siltation promotion and wave absorption barrier is arranged to reduce wave energy and form a siltation promotion area between the offshore submerged siltation promotion and the main seawall; the artificial bionic wave absorbing beach reef system is formed in the siltation promotion area, has the width and the elevation simulating a natural reef and is arranged to break waves in advance so as to dissipate wave energy; the ecological composite section main body protection structure serves as ultimate protection and is provided with a gentle slope or a composite section. According to the method, the safety, the reliability and the economical efficiency of an engineering scheme are ensured.

The invention discloses an optimal configuration design method for a river bank vegetation buffer zone in the technical field of hydraulic engineering. The method comprises the following steps: (1) constructing a bank slope and near-shore land vegetation buffer zone configuration scheme; (2) constructing a river bank vegetation buffer zone width optimization model; taking the minimum construction investment of the vegetation buffer zone as an objective function, considering bank slope shallow soil layer stability constraints, pollutant reduction and water and soil conservation constraints and sediment interception constraints, constructing a mathematical model, and optimizing the width of the vegetation buffer zone; (3) model solving: solving by adopting a nonlinear programming solving method to obtain an optimal width; and (4) the optimal configuration scheme of the riverbank vegetation buffer zone is given by comparing and selecting the optimization results of the three schemes in the step (1), the optimal configuration of the riverbank vegetation buffer zone can be realized, the design level of water conservancy projects is improved, the project investment is reduced, the water and soil loss is reduced, the ecological environment of a river channel is improved, and the method has important significance in enabling the project to continuously play benefits.

The utility model relates to the technical field of curbs, and discloses a high-quality sand-permeable horizontal curb which comprises a fabric layer, a base layer, an anti-collision buffer strip, an anti-freezing layer and a connecting rod, the fabric layer is fixed on the outer side of the base layer, the fabric layer is composed of modified epoxy resin and granite particles, an arc-shaped top is arranged at the top of the fabric layer, and the anti-collision buffer strip is arranged at the bottom of the arc-shaped top. An anti-freezing layer is fixed at the bottom of the base layer and is made of foam concrete, a plurality of first water-permeable holes are formed in the base layer, a plurality of second water-permeable holes are formed in the anti-freezing layer, the first water-permeable holes are aligned with the second water-permeable holes, and an anti-collision buffer strip is fixed on each of two side edges of the top of the fabric layer. The two ends of the connecting rod are each fixedly provided with two elastic blocking pieces, the elastic blocking pieces are made of spring steel, and the two ends of the base layer are each provided with a clamping groove used for allowing the connecting rod to be inserted. According to the utility model, mutual connection is stable; water permeability and drainage performance are good; the anti-collision performance and the anti-freezing performance are good.