135 results about "Soil loss" patented technology

The invention relates to the technical field of geotechnical engineering and slope reinforcement, and discloses a foam concrete-based expansive soil slope reinforcement structure which comprises a slope body and a foam concrete prefabricated reinforcement assembly mounted on the slope body through anchor rods, and the reinforcement assembly comprises a first reinforcement layer and a second reinforcement layer which are sequentially arranged on the slope surface of the slope body; the first reinforcing layer comprises a plurality of first reinforcing units arranged in the length direction of the slope body. By means of the double-layer design of the first reinforcing layer and the second reinforcing layer, the first prefabricated slab is longitudinally connected in an inserted mode through a dovetail or T-shaped tenon-and-mortise structure to achieve seamless attachment, the second prefabricated slab presses and covers tenon-and-mortise joints and is clamped and locked through the annular connecting piece, a latticed system of transverse restraining and longitudinal locking is formed, the structure can resist volume expansion of expansive soil by 30% or above, and the expansive soil is not prone to deformation. A soil body loss channel is effectively blocked, and the linkage problem of loosening-cavity-instability of a traditional prefabricated part is solved.

The invention discloses a method for estimating the soil loss amount in a karst region, and the method comprises the steps: determining a negative exponential function relation between a rock exposure rate and the soil loss amount based on field in-situ observation; according to the negative exponential function relation, stony desertification factors used for quantifying the inhibition effect of rock exposure on soil erosion are constructed; introducing the stony desertification factor as a multiplicative factor into an RUSLE model, and establishing an RUSLE-D model; and obtaining each RUSLE factor data and rock exposure rate data of the target area, inputting the RUSLE-D model, and calculating the soil erosion amount of the target area. According to the invention, the accuracy and practicability of model estimation and prediction are improved.

The utility model relates to the technical field of river channel slope protection, and discloses a river channel slope protection structure based on hydraulic and hydro-power engineering design, which comprises a coagulation layer, a plurality of coagulation blocks are fixedly connected to the top of the front side of the coagulation layer, connecting blocks are fixedly connected to the left sides of the coagulation blocks, and connecting grooves are formed in the middles of the right sides in the coagulation blocks. The device comprises a concrete block, the bottom of the concrete block is fixedly connected with a fixing column, a sliding groove is formed in the fixing column, two reinforcing columns are slidably connected into the sliding groove, reinforcing grooves are formed in the close sides of the interiors of the two reinforcing columns, and the close sides of the two reinforcing columns are fixedly connected with two springs. According to the utility model, natural force damages such as water flow scouring, stormy wave invasion and rainwater erosion can be effectively resisted, the river bank soil loss is reduced, the river bank slope form is kept stable, the safe operation of water conservancy and hydropower engineering facilities is ensured, and the service life of the water conservancy and hydropower engineering facilities is prolonged.

The utility model relates to the technical field of agricultural greenhouse planting, and discloses an agricultural greenhouse water and fertilizer recycling mechanism which comprises a first water and fertilizer recycling pool and a water and fertilizer box, the outer wall of the first water and fertilizer recycling pool is provided with a splicing clamping groove, and the outer wall of the first water and fertilizer recycling pool is fixedly connected with a splicing clamping piece. According to the agricultural greenhouse water and fertilizer recycling device, through the first water and fertilizer recycling pool, the second water and fertilizer recycling pool and the cultivation assembly, the splicing clamping piece of the first water and fertilizer recycling pool and the splicing clamping groove of the second water and fertilizer recycling pool are combined to meet the space planting water and fertilizer recycling requirements of different agricultural greenhouses, and meanwhile the cultivation assembly can be flexibly installed in the assembly frame; by means of a second filter screen and a seepage filter material, soil loss is effectively prevented when the cultivation box is subjected to water and fertilizer irrigation, and in addition, redundant water and fertilizer during spraying irrigation can be smoothly discharged and recycled through a first filter screen at the bottom of the cultivation box and water and fertilizer recycling through grooves in a second water and fertilizer recycling pool and a first water and fertilizer recycling pool.

The invention discloses an ecological function evaluation method and system, a medium and equipment, and relates to the technical field of ecological system health evaluation, and the method comprises the steps: integrating the obtained remote sensing data, meteorological data and ground monitoring data of a to-be-detected region, and generating long-time-sequence ecological hydrological data; inputting the long-time-sequence ecological hydrological data into a pre-trained wind erosion amount estimation model, determining a wind erosion amount, determining a wind erosion risk index based on the wind erosion amount, determining an environmental effect index based on a corrected soil loss model RUSLE, and determining a hydrological effect index by adopting a runoff rainfall difference method; the method comprises the following steps: introducing an auto-encoder neural network, carrying out feature dimension reduction processing on a wind erosion risk index, an environmental effect index and a hydrological effect index to obtain dimension-reduced data, and carrying out clustering analysis on the dimension-reduced data based on a clustering algorithm to obtain a risk level classification result.

The utility model is applicable to the technical field of ecological slope protection retaining walls, and provides an ecological slope protection retaining wall for mine pit restoration, which comprises a ground and a vertical slope, a plurality of fixing rods are arranged between the ground and the vertical slope at intervals, two ends of each fixing rod are provided with threaded heads, the threaded heads are inserted into the ground or the vertical slope, and the threaded heads are connected with the ground or the vertical slope. Two transverse rods are arranged between every two adjacent fixing rods at intervals, the transverse rods and the fixing rods form a net-shaped fixing assembly, and the space between the transverse rods and the fixing rods is filled with soil. Preferably, connecting rods are hinged to the portions, located on the two sides of the threaded head, of the fixing rod, fixing blocks are arranged at the free ends of the connecting rods, and the fixing blocks are fixed to the ground or the vertical slope through expansion bolts. According to the scheme, the net-shaped fixing assemblies are formed through mutual cooperation of the fixing rods, the transverse rods, the vertical rods, the inclined rods and the like, auxiliary reinforcement is conducted on the slope protection retaining wall, soil loss and potential safety hazards are avoided, and vegetation planting and maintenance are facilitated.

The invention relates to the technical field of water conservancy projects, and particularly discloses a method for calculating the void scale caused by soil loss under a pump station bottom plate and electronic equipment, and the method comprises the steps: determining the maximum water head difference of two sides of a pump station, the soil particle density and the total length of the pump station bottom plate, and estimating the diameter of a gap channel; and carrying out stress analysis on the microcosmic soil particle units on the side wall of the gap channel, wherein the stress comprises effective gravity, drag force, seepage force, lifting force, cohesive force, supporting force, sliding friction force and rolling friction moment. According to the method for calculating the void scale caused by soil loss under the pump station bottom plate, a particle kinetic method is introduced, gap channel water flow under the bottom plate is regarded as pressure pipe flow, particle stress analysis, a sliding / rolling instability mode and a Kolbolok-White formula of a turbulent flow hydraulic transition area are comprehensively considered, and the void scale caused by soil loss under the pump station bottom plate is calculated. The length of the void development channel can be quickly calculated based on engineering parameters, and the void position and the risk range can be determined.

The utility model discloses a reservoir area hydro-fluctuation belt ecological slope protection structure, and relates to the field of ecological slope protection structures, the reservoir area hydro-fluctuation belt ecological slope protection structure comprises a soil base and a concrete connecting seat, underwater gabion protection feet are attached to the bottom of the side of the soil base at equal intervals, and a gravel permeation area is laid on the outer surface of the soil base; and a vegetation type Reynolds protection pad is fixedly arranged on the outer surface of the gravel permeation area. According to the ecological slope protection structure for the reservoir area hydro-fluctuation belt, through the arrangement of the vegetation type Reynolds protection pad, when the vegetation type Reynolds protection pad covers the outer surface of the gravel permeation area, it can be effectively ensured that the gravel permeation area does not slip off when being impacted by water flow; according to the ecological slope protection structure, the plant seeds can have an excellent soil fixation function during germination and growth, so that the ecological slope protection structure is ensured not to have a large-area soil loss phenomenon during a water swelling period, and the ecological slope protection structure can be ensured to be normally used after being used for a long time.

The utility model discloses a municipal road center greening isolation device which comprises a plurality of small planting boxes which are arranged in a linear mode and are small in length, the small planting boxes are arranged at intervals, and each small planting box comprises a tension band located at the top end, a bottom groove located at the bottom end, two face plates and two side plates, and the two face plates and the two side plates are located between the tension band and the bottom groove. The side walls of the two side plates are each provided with a drainage groove penetrating through the inside and the outside, a mesh plate is horizontally erected in the bottom groove, and a box type gauze bag with the top end open is arranged in a box body composed of the tension band, the mesh plate, the face plate and the side plates. According to the utility model, a plurality of small-length small planting boxes which are linearly arranged at intervals are used as isolation devices, so that the purposes of small size and convenience in carrying are achieved; due to the design of the gauze bag, soil loss is greatly reduced, and the purpose of good soil keeping effect is achieved; the mesh plate is erected in the bottom groove, redundant rainwater and irrigation water can be stored in the lower cavity, and the water storage amount is increased; the maintenance frequency can be reduced, and the use is simpler.

The utility model discloses a slope inclined drainage device, which belongs to the technical field of engineering drainage construction and comprises an outer pipe, an inner pipe, an inner support rod and a seal head connecting piece. The outer pipe is obliquely installed in a side slope drill hole, the inclination angle of the outer pipe is 6-8 degrees, the end, located in the drill hole, of the outer pipe is a closed end, the end, located outside the drill hole, of the outer pipe is an open end, the two thirds of the upper layer of the outer pipe is a permeable layer, and the one third of the lower layer of the outer pipe is an impervious layer. The inner pipe is formed by coaxially splicing a plurality of short pipes and is detachably inserted into the outer pipe, and the inner pipe is a full-permeable pipe. According to the inclined drainage device for the side slope, the double-layer structure of the outer pipe and the inner pipe is arranged, the outer pipe serves as a first filtering layer, large-particle soil and impurities can be effectively intercepted, direct blocking of the inner pipe is reduced, the outer pipe can protect the inner pipe, and therefore the service life of the inner pipe is prolonged, the inner pipe serves as a filter element, and the service life of the inner pipe is prolonged. Soil impurities are secondarily intercepted, so that the soil loss is effectively reduced.

The invention discloses a water and soil loss treatment method for a soil slope of an arid mining area. The method comprises the following steps that S1, decomposed cattle and sheep manure barnyard manure is spread on a loose sandy slope; s2, sowing seeds: selecting peripheral indigenous desert plant perennial herbs and shrub seeds to be mixed and sown according to the equal mass ratio; s3, the slope is covered with a vegetation blanket; s4, selecting peripheral local desert plant annual herbaceous and perennial herbaceous seeds to be mixed and sown on the surface of the vegetation blanket according to the equal mass ratio. Under the conditions of extremely low precipitation and barren soil, water and soil loss of the side slope is rapidly and remarkably controlled with the investment far lower than that of engineering measures, restoration of the ecological function of the side slope soil is synchronously started and accelerated, and finally a side slope ecological system is guided to succession towards a stable state with the self-maintaining capacity. The comprehensive technical effects of controllable treatment cost, lasting effect and ecological sustainability are achieved.

The utility model is suitable for the technical field of electric power construction, provides a kind of offshore wind power foundation anti-scouring sleeve structure, including anti-scouring sleeve main part, the anti-scouring sleeve main part is set to offshore wind power foundation pile column periphery;Wherein, the anti-scouring sleeve main part is divided into continuously connected reverse-arc section sleeve and soil-entry section sleeve;The tangent of the upper edge of the reverse-arc section sleeve is parallel to the axial direction of offshore wind power foundation pile column.This scheme provides offshore wind power foundation anti-scouring sleeve structure, solves the current offshore wind power foundation pile column by tidal current, wave and tide effect, leads to the problem of soil loss of soil layer around pile.

The utility model relates to the technical field of agricultural irrigation equipment, in particular to buffering type water outlet equipment which comprises a box body, a first opening is formed in the box body, a flow guide cylinder is arranged in a water containing cavity in the box body, a stud is rotatably installed in an inner cavity of the flow guide cylinder, and a water baffle is fixedly sleeved on the outer wall of the stud. The peripheral wall of the water baffle is in sliding fit with the inner wall of the guide cylinder, the side wall of the guide cylinder is connected with a water outlet cylinder which is horizontally arranged, and an inner cavity of the guide cylinder is communicated with an inner cavity of the water outlet cylinder; a water outlet is formed in the side wall of the box body, and the arrangement height of the water outlet is the same as that of the water outlet barrel. The flow guide cylinder can bear pressure fluctuation when a water pump or a valve is started or stopped, damage to the water outlet equipment structure is avoided, meanwhile, water discharged from the water outlet plug can slowly flow into farmland through the water containing cavity, direct impact on the soil surface is avoided, the surface soil loss rate is reduced, the soil fertility is protected, the crop yield is further ensured, and agricultural development is guaranteed.

The utility model discloses a double-layer ecological slope protection net which is used for being matched with ecological slope protection to be used at the same time, the defects that a traditional hard slope protection net is difficult to transport and poor in adaptability and a soft slope protection net is insufficient in protection effect are overcome, and the defect that the ecological slope protection is prone to causing soil loss is overcome. The slope protection net is formed by stacking a main protection net body and a secondary protection net body, the two net bodies are connected into a whole through connecting rings, the main protection net body is composed of connecting rods connected through a center ring, the main protection net body is made of corrosion-resistant high-strength materials, and the secondary protection net body is woven by net ropes made of plant fiber materials. The main protective net has strong protective capability, the secondary protective net can further prevent soil loss, and the secondary protective net can be naturally decomposed after a period of time and cannot hinder plant growth. And the protective shells are arranged on the nodes of the main protective net, so that the nodes can be effectively prevented from being smashed by heavy objects, and the reliability of the slope protection net is improved.

The utility model discloses a highway slope face, it includes the lattice beam of setting in the slope body slope face: the slope face of slope body is seted up with pouring base groove, the inner chamber of pouring base groove is provided with high strength deformed steel anchor rod, the high strength deformed steel anchor rod is anchored in the slope face of slope body, the inner chamber of pouring base groove is poured with lattice beam through reinforced concrete. The utility model discloses through setting up pouring base groove on the slope face of slope body, then high strength deformed steel anchor rod is anchored on the slope body slope face, and is poured into lattice beam through reinforced concrete in pouring base groove, then the diversion horizontal board and diversion vertical board are fixed and installed on the lattice beam through the expansion bolt, then the drainage ditch is seted up at the slope foot of slope body, make the runoff of lattice beam inner chamber overflow and its surface runoff be diverted to the drainage ditch, finally, the grass seed is sprayed and sowed to the lattice beam inner chamber, can reach the purpose that can be through the lattice beam to the slope face and carry out the stabilization and the slope face runoff and carry out the dredging to the slope face, and then can effectively reduce the slope surface water and soil loss and the protection highway.

This invention provides a method for optimizing the excavation efficiency of trailing suction hopper dredger sand extraction based on multi-parameter collaborative analysis, including: S1: parameter acquisition; S2: data preprocessing; S3: identification of influencing factors; S4: multi-algorithm fusion modeling; S5: theoretical parameter calculation; S6: efficiency comparison analysis; and S7: real-time parameter adjustment. This invention, through multi-parameter collaborative analysis and multi-algorithm fusion modeling, overcomes the subjectivity and limitations of traditional optimization methods, achieving precise and stable improvement in construction efficiency while reducing the risk of soil loss, providing scientific and efficient technical support for similar sand extraction operations.

The invention relates to the technical field of agricultural ecological environmental protection, and discloses a desertification farmland soil wind erosion monitoring system which comprises a controller, a wind direction self-adaptive sand collection unit and a multi-dimensional monitoring unit, and the wind direction self-adaptive sand collection unit and the multi-dimensional monitoring unit are electrically connected with the controller. The wind direction self-adaptive sand collecting unit comprises a fixed pile, a rotating base is arranged on the fixed pile, a main rod is arranged on the rotating base, a wind direction sensing assembly is arranged at the top of the main rod, multiple stages of sand collecting channels are uniformly arranged in the circumferential direction of the main rod, the inlet heights of the sand collecting channels are sequentially increased in the vertical direction, and a layered collecting box is arranged at the end, away from the inlet, of each sand collecting channel; the multi-dimensional monitoring unit comprises a near-surface wind speed monitoring assembly, a soil loss amount detection assembly and an environmental parameter acquisition assembly, the near-surface wind speed monitoring assembly comprises at least three wind speed sensors, and the heights of probes of the wind speed sensors are in one-to-one correspondence with the heights of inlets of the sand collection channels. According to the system, accurate, efficient and long-term acquisition of data such as the soil wind erosion amount and the particle structure of the desertification farmland is realized.

The invention provides a construction method for reinforcing a soil body on the back side of a retaining wall, which adopts a follow pipe with a permeable structure on the side wall, and comprises the following steps of: penetrating the end part of the follow pipe through the soil body by using hole forming equipment, and anchoring the end part of the follow pipe on a rock stratum; drainage equipment is used for draining water entering the follow pipe through the water permeable structure; enabling the anchor cable to go deep into the follow pipe by using a cable feeding device; and grouting equipment is used for grouting the follow pipe. By arranging the follow pipe with the permeable structure, drainage and anchoring construction are integrated, and the problems that efficiency is low and cost is increased due to the fact that a drainage well is additionally arranged are solved; hole collapse can be avoided through the follow pipe side wall, the permeable structure provides a path for drainage and also provides a path for slurry diffusion during follow-up grouting, the combination effect of the anchor cable and the soil body is enhanced, and the reinforcing effect on the soil body on the back side of the retaining wall is improved. Through cooperation of the permeable holes and the filter layer in the permeable structure, water can be effectively drained, soil loss can be prevented, and follow-pipe blockage and drainage equipment damage are avoided.

The utility model relates to the technical field of building construction drainage holes, and discloses a retaining wall drainage hole water filtering structure which comprises a baffle, a mounting frame and a replacement plate, the baffle is arranged on one side of a retaining wall, a drainage hole is formed in the middle of the baffle, and the replacement plate is inserted into the inner wall of the drainage hole and attached to the baffle. The retaining wall drain hole water filtering structure comprises a mounting frame and a baffle, the mounting frame is detachably connected with the baffle through a clamping mechanism, the upper surface of the mounting frame is detachably connected with a separation net used for filtering soil, and fixing mechanisms are arranged on the two sides of the bottom of the mounting frame and used for fixing geotechnical cloth. Through cooperative arrangement of the mounting frame, the separation net and the fixing mechanism, the separation net can be fixed to the mounting frame, a filtering material is added into the separation net, the water filtering effect can be achieved, soil loss is prevented while internal accumulated water is drained, and the geotechnical cloth can be fixed to the outer portion of the mounting frame in cooperation with the fixing mechanism arranged outside.

The invention relates to the technical field of water and soil conservation, and discloses a disturbance unit division method in a soil loss amount measuring and calculating process, which comprises the following steps of: acquiring a multi-period remote sensing image and a multispectral image of a project area, and performing spatial registration preprocessing on the multispectral image; multi-dimensional disturbance feature extraction is carried out; performing multi-scale image segmentation, and intelligently identifying a disturbance unit in combination with a segmentation result; eliminating classification noise, and extracting a disturbance unit boundary; smoothing the boundary of the disturbance unit; judging the disturbance type of each disturbance unit; carrying out area calculation and attribute labeling based on a judgment result; performing disturbance unit division on the multi-period remote sensing image, and performing change detection according to a division result; performing space-time analysis on a detection result; standardized result output and precision verification are carried out; through multi-source remote sensing data fusion and an intelligent classification algorithm, technicians are liberated from heavy manual sketching work, and the division efficiency is improved compared with that of a traditional manual method.

The invention provides a microwave-assisted treatment method and device for inter-pile water and soil loss of fender posts, and the method comprises the steps: determining a leakage point according to the direction, depth and range of inter-pile water and soil loss, arranging a drainage pipe at the leakage point, and conducting drainage through a drainage device; after an inter-pile cavity formed by water and soil loss is cleaned, a plurality of grout outlet nozzles are pre-buried in the length direction of the inter-pile cavity, and the inter-pile cavity is sealed through a formwork; the waveguide tube and the grouting tube are placed in the cavity between the piles from the grouting hole, the grouting tube serves as a grout conveying channel, and cement-based grout is injected into the cavity between the piles through a grouting device in a pressure mode; after grouting is completed, the waveguide tube serves as a microwave energy transmission carrier, and solidification of the cement-based grout is accelerated through the microwave generation device; and after the heating area is cooled to the room temperature, the waveguide tube and the grouting tube are screwed off, the template is detached, the grouting hole is blocked, and the working surface is cleaned and ground. According to the method, hydration and solidification of the cement-based slurry are accelerated through microwave irradiation, and the structural durability and the water stop reliability of the repair area between the fender posts are ensured.

The application discloses a kind of plant configuration planting methods of drawdown zone, belong to drawdown zone management technical field, the present application is bentonite as main raw material, with humus, mesoporous calcium carbonate and other raw materials are collectively prepared ecological soil after laying in drawdown zone, then the planting of grass seed is carried out, ecological soil can be effectively attached in drawdown zone ground surface, prevent waterlogging and cause soil loss, and promote the good growth and root of grass seed, after the stable growth of herbaceous plant, again regional configuration planting shrub and arbor, create stable arbor-shrub-grass ecological system, to realize the good recovery of drawdown zone ecology, the method of the present application has good application prospect in drawdown zone ecological management field.

The utility model discloses a roadbed reinforcing structure for highway engineering construction, which comprises a honeycomb soil grid which is arranged at the top of a roadbed and is fixedly connected with the roadbed through an inserting rod; the device comprises a grid net, the grid net is arranged at a slope of a roadbed, a first pressing plate is arranged above the grid net, a second pressing plate is arranged at the top of the first pressing plate, a third pressing plate is arranged at the bottom of the first pressing plate, and the first pressing plate, the second pressing plate and the third pressing plate are fixedly connected with the roadbed through fixing rods. A cover plate is arranged at the top of the fixing rod, a nut is arranged above the cover plate, and a rubber cover is arranged outside the nut. According to the roadbed reinforcing structure for highway engineering construction, the slope at the top of the roadbed can be protected conveniently, soil loss is avoided, the strength of the roadbed is improved accordingly, stable connection between the fixing rods and soil is increased by fixing the fixing rods, and use of the mesh is facilitated.

The present application relates to soil sampling device technical field, and disclose a vertical lifting type soil sampling device, including: box, its lower end is provided with brake wheel for the structure installed in the box provides loading and moves the foundation; Soil sampling device, it is set up on the upper end of the box and extends to the preset soil sampling surface through the box, soil sampling device includes the hydraulic device set up on the upper end of the box, hydraulic device is connected with the soil sampling cylinder that is through to the box and opens the soil sampling channel in the box; Load device, it is set up in the box and establishes or removes the butt joint with soil sampling cylinder, load device includes the internal frame installed in the box, the internal frame is set up in the surrounding range and is movably provided with the material bucket for carrying and calculating the weight of material, the material bucket is connected with the drive structure that drives its movement. The present application solves the problem that the soil is disturbed in the lifting process, causes the soil loss and produces the low problem of the reserve.

The utility model discloses a side slope drainage structure for water and soil conservation, which comprises a side slope, side slope grids are arranged on the surface of the side slope, an intercepting ditch is fixedly arranged above the side slope grids, a front wall is integrally arranged on the front side of the intercepting ditch, side slopes are arranged on the left side and the right side of the side slope, drainage ditches are arranged on the surfaces of the side slopes, and the drainage ditches are arranged on the surfaces of the side slopes. Steps are integrally arranged on the surface of the drainage ditch, a trench is formed in the lower end of the drainage ditch, and planting grids are arranged on the outer side of the drainage ditch; the position of the intercepting ditch is designed to be relatively high so that surface water can be effectively intercepted at the high position of the side slope, the design aims to prevent the surface water from excessively scouring the side slope, so that the soil structure of the side slope is kept stable, soil loss is prevented, and in order to further improve the intercepting effect, the front wall of the intercepting ditch is designed to be higher than the rear wall; in this way, surface water can be intercepted more effectively, and the surface water is prevented from rushing out of the intercepting ditch and flowing into a side slope.

This utility model discloses a protective device for water lily cultivation in deep water areas, comprising: a support platform, a planting pot fixedly installed at the middle of the support platform, a water guide hole at the lower end of the planting pot, and a non-woven fabric planting bag placed at the lower end of the inner cavity of the planting pot. This utility model, through the arrangement of the planting pot and the non-woven fabric planting bag, can accommodate the soil and plants required for water lily cultivation. The non-woven fabric planting bag effectively protects the soil around the plant, reducing the likelihood of soil loss from the water guide hole due to water flow. Simultaneously, the planting opening on the protective cover accommodates the buds and branches growing at the top of the water lily plant, and the protective cover and non-woven fabric baffle effectively protect the top of the soil, reducing the likelihood of soil loss from the top due to water flow and ensuring normal plant growth.

The utility model discloses a riverway sand excavation pit ecological restoration structure which comprises a bottom plate, the top of the bottom plate is fixedly connected with a plurality of vertical rods, the inner walls of the plurality of vertical rods are provided with anti-loss devices, and each anti-loss device comprises a plurality of filter plates which are movably connected to the inner walls of the plurality of vertical rods; the plurality of planting boxes are arranged on the inner wall of the bottom plate; wherein the filter plate can filter silt in water flow in the river channel into the planting box. The utility model relates to the technical field of riverway sand excavation and treatment, in particular to an ecological restoration structure of a riverway sand excavation pit, soil loss is prevented through a loss prevention device, a small amount of soil and aquatic plant seeds are added into a planting box, and a filter plate can filter sludge in river water; the filtered sludge is stored in the planting box to provide nutrients for aquatic plant seeds, soil and seeds do not need to be loaded into a plurality of ecological bags, and the ecological restoration structure is convenient to popularize and use.

The utility model discloses a multi-layer stacked wind prevention and sand fixation device which comprises a reinforcing frame, a plurality of wind prevention and sand fixation devices and a plurality of wind prevention and sand fixation devices. The utility model discloses a detachable reinforcing structure which comprises a reinforcing frame and a detachable reinforcing structure, the detachable reinforcing structure is arranged at the bottom of the reinforcing frame, the detachable reinforcing structure comprises a rectangular ring clamping groove, the rectangular ring clamping groove is formed in the bottom of the reinforcing frame, and a rectangular ring clamping block is connected to the inner wall of the rectangular ring clamping groove in a clamped mode. A hole with the size equal to that of a placing frame is dug in the top of soil needing wind prevention and sand fixation, then dug soil mixed bentonite is placed in the placing frame and then inserted into the hole, at the moment, a mixture of the soil and the bentonite can cover the top of the soil, and water and soil loss at the top of the soil can be blocked by the placing frame; meanwhile, water can be absorbed and protected, and bentonite and soil inside can be stirred and mixed after drying or water mixing, so that layering is avoided.