101 results about "Soil protection" patented technology

The present disclosure relates to the field of slope soil protection, and particularly relates to a modified soil ecological base material for ecological slope protection, a preparation method and application thereof; the modified soil ecological base material is used in high-cold high-humidity high-altitude areas; the modified soil ecological base material comprises the following: an anti-skid anti-ultraviolet freeze-thaw resistant layer; and a soil adaptive layer; wherein the anti-skid anti-ultraviolet freeze-thaw resistant layer comprises modified plant fibers and an anti-ultraviolet freeze-thaw resistant composite material; the soil adaptive layer comprises a water-absorbing composite material. The present disclosure prepares a modified soil ecological base material which has good freeze-thaw stability, excellent water erosion resistance and water retention performance, is eco-friendly and degradable, and is used for ecological slope protection in high-cold high-humidity high-altitude areas.

The invention provides an offshore sand wave coupling pile foundation scouring monitoring system based on a multi-beam echo sounding technology, which belongs to the technical field of offshore pile foundation structure scouring monitoring and comprises a data acquisition module, a data processing and analysis module, a sand wave recognition and feature extraction module, a pile foundation scouring evaluation module and a result output and early warning module. The system further comprises a calibration module and a solidified soil protection material database. According to the system, dynamic evaluation and early warning of scouring pits around piles are achieved through multi-source data collaborative acquisition (multi-beam sounding, layered flow velocity and pile foundation parameters) and precision calibration, coupling hydrodynamic force-scouring simulation (considering pile foundation turbulent flow) and sand wave migration feature extraction; and when the scouring exceeds the threshold value, a protection scheme can be output based on the stabilized soil database. The system solves the problems that traditional monitoring data are isolated, analysis is split and no protection suggestions exist, and monitoring comprehensiveness, predictability and engineering practical value are improved.

The utility model discloses an urban ecological protection water body slope protection structure which comprises limiting plates arranged on the two sides in a downward inclined mode along the slope face, positioning plates transversely arranged at the top and the bottom between the limiting plates on the two sides, and rhombic planting frames evenly arranged in a frame formed by the limiting plates and the positioning plates. The positioning plate is provided with a flow guide groove which is parallel to the slope surface and is through up and down; longitudinal flow guide holes which are parallel to the slope surface and are through up and down are formed in the two corners of the top and the bottom of the rhombic planting frame, and the longitudinal flow guide holes correspond to the flow guide grooves in position. The rhombic planting baskets are filled with soil, turf vegetation is laid on the surfaces of the rhombic planting baskets, rainwater on slope top curbs and nearby road surfaces is guided into the rhombic planting baskets through the flow guide grooves, the effect of guiding the rainwater to leak internally is achieved, the flow speed of the rainwater leaking internally is reduced, the rainwater does not easily carry the soil, the flowing flow of the rainwater on the surfaces is reduced, and meanwhile under the effect of the turf, the slope top curbs and the slope top curbs are protected. The surface soil is not easy to lose, and the effect of ecological water and soil protection is achieved.

A flow guide structure capable of preventing water and soil loss comprises an outer frame structure, a plurality of inner clamping grooves are formed in the outer frame structure, and inner mounting blocks are arranged in the inner clamping grooves in a clamped mode; the outer frame structure comprises a first vertical plate located on one side and a second vertical plate located on the other side, a middle partition plate is arranged between the first vertical plate and the second vertical plate, and a circulation groove body is formed in the upper portion of the middle partition plate and between the first vertical plate and the second vertical plate. The outer frame structure is adopted to form a water guiding channel, and the inner mounting block bodies form supporting and planting positions, so that the purposes of ground water and soil protection and water guiding are achieved, and the effect of preventing water and soil loss can be achieved.

The invention relates to a high-speed edge washout test device and method for a solidified soil protection structure, and the device comprises a washout test system which comprises an annular water tank, a stirrer and a camera group, solidified soil and a natural soil body are symmetrically arranged at the two sides of the bottom of the annular water tank, and the stirrer is used for forming annular water flow in the annular water tank; therefore, an incident flow state interface and a back flow state interface of the solidified soil and the natural soil body are formed at the same time, and the camera group is used for shooting the incident flow state interface and the back flow state interface; the water body updating system is used for supplying water to the annular water tank, receiving the water body discharged from the annular water tank and filtering the water body; and the signal control system is used for receiving information fed back by the stirrer, the camera group and the water body updating system and controlling the stirrer and the water body updating system. The stirrer rotates to directly drive a water body, the upper limit of the flow velocity is remarkably improved, the optimized special-shaped blades improve the radial distribution uniformity of the water flow velocity, and the high-speed edge washout test requirement is met.

The utility model discloses a hydraulic engineering construction protection slope which comprises an outer protection frame, a connecting frame and a flow guide positioning mechanism, the outer protection frame is arranged in a rectangular frame mode, flowing openings are formed in the bottoms of the opposite side walls of the outer protection frame, the connecting frame is hinged to one side of the upper end of the outer protection frame, and a protection net is fixedly installed in the connecting frame. The flow guide positioning mechanisms are fixedly connected to the opposite inner side walls of the outer protection frame and distributed perpendicular to the flowing opening, and the flow guide positioning mechanisms are evenly arranged at intervals in the flowing direction of the flowing opening. The utility model belongs to the technical field of water conservancy project slope protection, and particularly relates to a water conservancy project construction slope protection which aims at water and soil protection on the two sides of a river channel, buffering of water flow impact, separation of soil gravel and flowing water impacted by flowing water, prevention of loosening of the soil gravel, promotion of retention and rapid filtration of water.

The invention discloses a planting device for grassland ecological restoration and a method thereof, and solves the problem that dry fine soil is not easy to carry out when grass seeds are covered with soil for protection, the planting device comprises two fixing frames, a fine soil preparation assembly is arranged between the two fixing frames, and a soil transfer assembly is arranged at the tops of the fixing frames. The fine soil preparation assembly comprises a material storage part arranged between the two fixing frames, the material storage part comprises a fine soil storage cylinder installed between the two fixing frames, the grass seed storage cylinder is used for sowing grass seeds, and the fine soil storage cylinder is used for laying a layer of fine soil on the grass seeds after the grass seeds are sown. A soil crushing part is arranged on the outer sides of the grass seed storage cylinder and the fine soil storage cylinder; in the working process, shoveled soil is dried through a heating plate arranged on the inner side of the conveying belt, crushing is conducted through crushing blocks on a rotating cylinder, and the dried large soil is crushed into fine soil.

The invention provides a mine restoration vegetation blanket, and relates to the technical field of water and soil protection equipment.The mine restoration vegetation blanket comprises a blanket body, mounting assemblies and folding assemblies, the mounting assemblies are arranged at the two ends of the blanket body correspondingly, and the opposite ends of the two mounting assemblies are connected through the folding assemblies correspondingly; the folding assembly is used for being folded to drive the two installation assemblies to get close to each other so as to enable the blanket body to be folded and rolled up, and the folding assembly is further used for being unfolded to drive the two installation assemblies to get away from each other so as to enable the blanket body to be unfolded and abut against the edge of the blanket body when the blanket body is unfolded. The portability of the vegetation blanket can be effectively improved.

The application provides an ecological fixing system for water and soil conservation, and relates to the field of water and soil protection devices. The ecological fixing system for water and soil conservation is arranged on a slope surface, the slope surface is divided into two parts, i.e., a steep slope and a gentle slope, the steep slope is located above the gentle slope, and the ecological fixing system comprises a water channel pipeline, a water pipe, a concrete base, a pit digging component and a reclamation component. The water channel pipeline is arranged at the top of the slope surface, the water pipe is arranged on the slope surface at equal intervals, the concrete base is located at the bottom of the slope surface, and the lower end of the water pipe is connected with the concrete base. The ecological fixing system for water and soil conservation is fixed on the slope surface through cooperation of the water channel pipeline, the water pipe and the concrete base, the arc-shaped plate is inserted into the soil through cooperation of the short pressing cover, the rotating rod and the arc-shaped plate, the arc-shaped plate is lifted through rotation of the rotating rod, and the soil is thus dug up, so that the workers can dig pits on the steep slope. Thus, the manual labor intensity is reduced, time and physical strength are saved, the workers are prevented from working at high places, and the danger is further reduced.

The invention relates to the technical field of black land soil health evaluation, and particularly discloses a black land soil health evaluation method, which comprises the following steps: step 1, module division and weight setting: dividing four functional modules, namely an organic matter module, a physical module, a chemical module and a biological module, in order to avoid artificial bias and ensure comparability and traceability of results, equal-weight setting is adopted in a cross-module level, and the weight of each module is 0.25; step 2, module index library construction and index standardization processing, wherein the target of the soil health index is to realize comparability and direction consistency of different indexes; according to the black land soil health evaluation method, the blank of domestic soil health monitoring and evaluation technical specifications is filled, the scientificity and accuracy of evaluation are improved, and powerful technical support is provided for black land protection and sustainable development of a soil ecosystem.

The invention provides a soil erosion protection three-dimensional grid, and relates to the technical field of soil erosion protection, the soil erosion protection three-dimensional grid comprises a three-dimensional grid, the middle part of the three-dimensional grid is formed by sewing a plurality of groups of rhombic body grids together, a cross-shaped reinforcing frame is arranged in the rhombic body grids, side frames are fixed on the left and right parts of the three-dimensional grid, and the cross-shaped reinforcing frame is fixed on the left and right parts of the three-dimensional grid. A plurality of sets of screw holes are formed in the inner bottom of the side frame, ground nails are installed in the screw holes, the rhombic grids are made of high-strength polypropylene materials and are of a hollow rhombic cylinder structure, gaps are formed in the rhombic grids, and the cross-shaped reinforcing frame is located in the gaps. The three-dimensional grid structure is adopted, the strength of the soil erosion protection grid is enhanced, soil stability can be provided, vegetation growth is promoted, soil erosion is reduced, soil protection stability is improved through the mode of combining a physical barrier and vegetation growth, and the soil erosion protection grid is safer, more reliable and more durable.

The utility model relates to water and soil protection technical field especially a water and soil conservation revetment reinforcing structure, a plurality of elastic rubber pad outer walls all are fixedly connected with the fender, the elastic rubber pad below all are in close contact with the clamping block, a plurality of conical grooves all are processed in fender inner wall outside. This water and soil conservation revetment reinforcing structure, inserts multiple fender to the inside of clamping block, then passes through conical groove in proper order with multiple bolts, screws into fender and clamping block, thereby fender is fixed on clamping block, at this moment, the elastic rubber pad below is in close contact with the clamping block, can increase the friction between fender and clamping block, then inserts multiple rubber plug into conical groove, can prevent rain and bolt contact through rubber plug, to a certain extent, can reduce the rusted condition of bolt, to realize when a fender needs to maintain, can carry out single dismounting, and will not affect the stability of other fender.

The application relates to a high-speed edge scouring test device and test method of a solidified soil protection structure, which comprises: a scouring test system, which comprises a ring-shaped water tank, a stirrer and a camera set, solidified soil and natural soil bodies are arranged on the two sides of the bottom of the ring-shaped water tank in an axial symmetry mode, the stirrer is used for forming a ring-shaped water flow in the ring-shaped water tank, so that a flow-approaching state interface and a back-flow state interface of the solidified soil and the natural soil bodies are formed at the same time, and the camera set is used for photographing the flow-approaching state interface and the back-flow state interface; a water body updating system is used for supplying water to the ring-shaped water tank, receiving water discharged from the ring-shaped water tank and filtering the water; and a signal control system is used for receiving information fed back by the stirrer, the camera set and the water body updating system, and controlling the stirrer and the water body updating system. The water body is directly driven by the rotation of the stirrer, the upper limit of the flow velocity is significantly improved, the uniformity of the flow velocity of the water flow along the radial direction is improved by the optimized special-shaped blade, and the high-speed edge scouring test requirement is met.

The application belongs to the technical field of civil engineering materials, and provides a ZR-6 type modified slag high-strength and high-stability marine composite material applied to marine pile foundation protection and a preparation method thereof. The ZR-6 type modified slag marine composite material comprises the following components in parts by weight: S105 slag powder 80-150 parts, calcium hydroxide powder 30-60 parts, ultra-fine silicon powder 10-15 parts, phosphate sulfate composite activator 12-30 parts, high-performance alloy powder (FeCoCrNiAl0.4) 5-10 parts, poly-magnesium-acrylate-silicate 5-10 parts, and anti-dispersion agent 1-5 parts. The application aims to solve the problems of low strength, high energy consumption, large loss and poor corrosion resistance of the existing marine pile foundation composite material protection technology, and the prepared ZR-6 type modified slag marine composite material has the advantages of high strength, solid waste recycling, small loss and high impermeability and crack resistance, has low cost and good curing effect, and can be well applied to offshore pile foundation solidification soil protection engineering. The application has significant economic, environmental and social benefits.

The portable water and soil conservation monitoring device comprises a monitoring device base, four driving cavities are formed in the monitoring device base, openings of the driving cavities are communicated in an up-down penetrating mode, supporting rotating wheels are rotationally arranged in the driving cavities, and the supporting rotating wheels play a role in moving and supporting. According to the scheme, the device is provided with the soil quality monitor and the humidity detector, the soil quality and the moisture content of soil can be monitored at the same time, comprehensive data support is provided for water and soil conservation work, the dual detection function is beneficial to understanding the soil condition more deeply, a basis is provided for formulating scientific and reasonable soil protection and improvement measures, and the device is worthy of popularization and application. According to the scheme, the bottom opening of the lifting cylinder can be automatically closed after abnormal data is detected, a closed detection cavity is formed, a soil sample is effectively isolated and protected, interference of external factors on a monitoring result is avoided, and data reliability is ensured.

The invention discloses a geotechnical guardrail structure for quickly filling sandbags for flood rescue, and belongs to the technical field of geotechnical guardrails, the geotechnical guardrail structure comprises a plurality of square frames connected end to end, and the sandbags for containing sandstones are arranged on the inner side surfaces of the square frames; the square frame comprises two telescopic rectangular net pieces and two foldable rectangular net pieces; the telescopic rectangular net piece comprises a vertical plate and two first rectangular protection nets, and one side ends of the two first rectangular protection nets are installed in the vertical plate in a sliding mode. The foldable rectangular net piece comprises two second rectangular protection nets, and the side ends of the two second rectangular protection nets are hinged to form the foldable rectangular net piece. The square frame is formed by the telescopic rectangular net piece and the foldable rectangular net piece, and the sandbag is installed in the square frame; when the device is used for rapidly filling sandbags in flood rescue and needs to be stacked in multiple layers to form a protection wall with a higher height, only the two first rectangular protection nets in the telescopic rectangular net piece located on the bottom layer need to be stretched outwards to form a wider protection guardrail, the stable multi-layer protection wall can be achieved, convenience and high efficiency are achieved, and materials are saved.

The utility model provides a kind of ecological revetment system with rainwater purification function, including revetment main body, scouring prevention zone, intercepting zone and purification zone;Scouring prevention zone is set to revetment upper end, including multiple flatly laid block stone;At least two levels intercepting zone are arranged in ladder shape interval along revetment gradient direction, at least one intercepting zone is adjacent to scouring prevention zone, and at least one intercepting zone is adjacent to water body, and intercepting zone includes gabion retaining wall;Purification zone is set between adjacent intercepting zone, including aquatic plant.The utility model reduces the scouring of rainwater to soil by the cooperation of scouring prevention zone, intercepting zone and purification zone, and realizes the effective purification of rainwater, enriches revetment ecological system simultaneously, organically combines soil protection, rainwater purification and vegetation planting, and constitutes a complete ecological system.

The present invention discloses an intelligent diagnosis method for the coordinated optimization of the comprehensive benefits of black soil protection and utilization, comprising the following steps: step 1, constructing a multi-source spatiotemporal simulation data input and output dataset; step 2, drawing a spatial distribution heat map and a time series curve based on the dataset; step 3, constructing a correlation matrix between input and output variables based on the dataset; step 4, constructing a scoring system based on the historical optimal value of each output variable in the dataset; step 5, optimizing the weight coefficients of each target dimension and the contribution weight within the benefit based on the scoring system to obtain a multi-objective optimization model; step 6, forming a closed-loop automated operation chain of data-driven problem diagnosis and strategy generation based on the spatial distribution heat map, time series curve, correlation matrix, dynamic scoring system, and multi-objective optimization model. This method breaks through the limitations of traditional empirical decision-making, realizes a full-process data-driven technology chain, and significantly improves the scientific nature and adaptability of agricultural management strategies.

The invention relates to a black soil area resource data processing method and device based on a geographic information system. The method comprises the following steps: acquiring remote sensing image data, soil attribute data and land utilization data of a black soil area; determining a terrain gradient by utilizing remote sensing image data, determining a soil type by utilizing soil attribute data, and determining a land utilization mode by utilizing land utilization data; dividing the black soil area into a plurality of relatively homogeneous space evaluation units based on the terrain gradient, the soil type and the land utilization mode; performing evaluation on execution conditions of various black soil protection measures in each space evaluation unit by adopting a preset regional cost-efficiency ratio target, an economic benefit target and an ecological benefit target, and determining a target protection measure of each space evaluation unit; and configuring a corresponding target protection measure in each space evaluation unit to form a space configuration scheme. By adopting the method, the spatial configuration granularity can be refined, and the configuration accuracy of the black soil protection measures is improved.

The utility model discloses a side slope ecological restoration system which comprises an ecological restoration blanket fixed on a side slope through a fixing structure, and the ecological restoration blanket comprises a plurality of ecological restoration blanket units which are spliced in sequence; each ecological restoration blanket unit comprises a twisted-pair hexagonal steel wire mesh and a water and soil protection blanket wrapping the twisted-pair hexagonal steel wire mesh. At least one of the mesh wires woven into the twisted-pair hexagonal steel wire mesh is a steel wire rope, and the other mesh wires are steel wires. According to the ecological restoration blanket, the twisted-pair hexagonal steel wire gauze is arranged in the water and soil protection blanket, and the steel wire ropes are doped in the mesh wires forming the twisted-pair hexagonal steel wire gauze, so that the strength of the twisted-pair hexagonal steel wire gauze is improved, and the top resistance and the tensile property of the ecological restoration blanket are improved.

The utility model discloses an ecological planting structure of concrete sea embankment, including the broken stone mixed layer of laying in the embankment surface of concrete sea embankment, the broken stone mixed layer is formed by the adhesion of multiple broken stones through the adhesive, the broken stone mixed layer is paved with the planting soil layer, and the planting soil layer is paved with the planting soil protection layer, still include multiple planting holes, and the planting hole is communicated to the planting soil layer through planting soil protection layer, and the ecological plant is planted in the planting hole, and the root system of ecological plant spreads to the broken stone mixed layer through planting soil layer. The utility model discloses through the planting soil protection layer of laying on the planting soil layer, utilizes planting soil protection layer to separate sea wave and cultivated soil, and the normal growth of ecological plant is helpful to the protection of cultivated soil and ecological plant, reduces the loss rate of planting soil layer under the influence of sea wave and precipitation.

The utility model relates to the technical field of soil body protection, in particular to a waterproof retaining wall which comprises a wall body, a plurality of drainage pipes are fixedly installed at the bottom end of the inner side of the wall body and arranged on the front side and the rear side of the wall body in a penetrating mode, a plurality of flow guide pipes are vertically arranged in the wall body in a penetrating mode, and a plurality of evaporation holes are formed in the upper end of the wall body. The upper ends of the flow guide pipes are communicated with the evaporation holes, the lower ends of the flow guide pipes are connected with the water drainage pipes, and the flow guide pipes are used for guiding part of water in soil behind the wall to the evaporation holes to accelerate dissipation, a rectangular groove is formed in the inclined face of the top of the wall, a heat collection plate used for absorbing solar radiation heat is fixedly installed in the rectangular groove, and a heat conduction device is arranged between the flow guide pipes and the heat collection plate. Solar radiation heat is absorbed through the heat collection plate, uniform conduction of the heat is achieved by means of the uniform heat grid, the heat conduction pipe and the heat conduction cover plate, the uniform heat barrel forms a stable temperature area on the outer side of the flow guide pipe, natural heating and moisture evaporation of the soil body are achieved, and extra energy input is not needed.

The invention discloses a construction method suitable for inter-pile miscellaneous fill protection of a row pile support, which comprises the following steps of: forming a mounting hole in a top beam along the height direction, and forming a groove in the bottom of the top beam along the length direction; embedded pipes are embedded in the mounting holes of the top beams, and after the top beams and the row piles are mounted in place, steel wire mesh plates are mounted between the adjacent row piles; in the in-place process of the steel wire mesh plate, the upper portion of the steel wire mesh plate is embedded into a groove of the crown beam, and tensioning force is applied to the steel wire mesh plate by tensioning tensioning force cables arranged on the two sides of the steel wire mesh plate; the problems that miscellaneous fill is loose and easy to fall off and the use amount of spraying protection concrete is too large can be solved, the hidden danger of collapse of soil between piles is eliminated, the fitting degree and overall stability of a protection structure and a soil body are enhanced, the convenience and flexibility of protection construction can be improved, meanwhile, material loss is reduced, the construction cost is reduced, and the construction period is shortened. And the construction efficiency is improved on the basis of guaranteeing the supporting quality and the construction safety.

The invention discloses a stabilized soil scouring protection scheme decision-making method. The method comprises the steps of S1, determining key design parameters of a stabilized soil protection scheme; s2, an equation that the pile foundation solidified soil protection structure reaches the scouring balance state is established; s3, the relation between the solidified soil strength and the erosion protection measure failure probability is established; s4, establishing a relationship between the curing range and the erosion protection measure failure probability; s5, determining a curve that the economic cost of the stabilized soil protection scheme is increased along with the stabilized soil strength and the solidification range; and S6, determining a failure probability value of the solidified soil protection scheme, and further determining an optimal scheme of solidified soil protection. The method can effectively guide the optimization design of the anti-scouring scheme of the solidified soil.

This invention relates to the field of wind and sand protection, and discloses a vegetation protection method based on the laws of wind and sand erosion. First, historical wind and sand erosion patterns are collected, recording data on the air impact, soil erosion, and vegetation erosion. Using large-scale modeling technology, an impact model is established, and erosion simulation experiments are conducted to obtain air protection data, soil protection data, and vegetation protection data. Real-time monitoring and evaluation are performed to obtain wind and sand monitoring data. Based on this data, the wind and sand movement patterns are predicted, yielding wind and sand trajectory prediction results. The protection data are then integrated to obtain a first vegetation protection scheme, establishing a vegetation protection trajectory model. The vegetation protection trajectory model is then corrected in real time to obtain a second vegetation protection scheme. This invention solves the problem in existing technologies where vegetation selection for wind and sand protection lacks specificity and cannot be tailored to the wind and sand erosion trajectory.

The invention relates to the field of soil protection, in particular to a self-propelled sprayer operation soil compaction degree judgment method based on machine tool real-time parameters. The problem that the compaction risk misjudgment rate is high due to the fact that a traditional method is difficult to capture the interaction effect of load sudden change, spraying rod height fluctuation and soil plasticity is solved. According to the method, a multi-factor coupling analysis model is constructed by collecting historical data of a plurality of parameters; on the basis of a double-stage key factor screening mechanism, strong correlation parameters are primarily screened according to a rank synergy rate, then dynamic weights are verified and distributed through a Kendall correlation coefficient, redundant interference is remarkably eliminated, and high-precision analysis of the'mechanical vibration-load fluctuation-soil plasticity 'dynamic coupling effect is achieved; according to the method, the mechanical operation parameters and the soil environment state can be fused in real time, the multi-factor nonlinear correlation is dynamically analyzed, and the problem that the compaction risk misjudgment rate is high due to the fact that a traditional method is difficult to capture the interaction effect of load sudden change, spraying rod height fluctuation and soil plasticity is solved.

The utility model relates to the technical field of water and soil conservation, and provides a water and soil conservation device with a warning function, which comprises a pouring frame, one side of the pouring frame is fixedly connected with a humidity detector, the inside of the pouring frame is fixedly connected with a partition plate, the other side of the partition plate is fixedly connected with a spring telescopic rod, and the spring telescopic rod is fixedly connected with a warning device. Pressing switches are fixedly connected to the two sides of the partition plate, the pressing switches and the push plate are oppositely arranged, a pressing plate is fixedly connected to the extending end of the spring telescopic rod, and the other end of the pressing plate is fixedly connected with the push plate; the humidity and temperature of a water and soil protection position can be detected through a humidity detector and a temperature detector, so that risk early warning can be carried out, timely reinforcement is facilitated, a push plate and a protection net plate can be pressed down under the pressure of soil stacking when collapse occurs through an arranged push switch, and the collapse is prevented. The spring telescopic rod is pushed to contract, so that the push plate and the push switch press to alarm.

The invention relates to the field of slope soil protection, in particular to an improved soil ecological base material for ecological slope protection and a preparation method and application of the improved soil ecological base material. The improved soil ecological base material is used for high-cold, high-humidity and high-altitude areas; the improved soil ecology base material comprises the following components: an anti-skid, anti-ultraviolet and freeze-thaw-resistant layer; and a soil adaptation layer; wherein the anti-skid, anti-ultraviolet and freeze-thaw-resistant layer comprises modified plant fibers and an anti-ultraviolet and freeze-thaw-resistant composite material; the soil adaptation layer contains a water absorption composite material. The prepared improved soil ecological base material has good freeze-thaw stability, excellent water erosion resistance and water retention performance, is eco-friendly and degradable, and is used for ecological slope protection in high-cold, high-humidity and high-altitude areas.

The utility model discloses nursery stock planting and pit digging equipment for landscaping, and relates to the field of nursery stock planting and pit digging equipment. The digging device comprises a mounting mechanism and a movable mechanism, the movable mechanism comprises a first sliding block, a second sliding block and a mounting seat, a shielding mechanism is arranged, a shielding barrier moving up and down along with a drill rod is formed through the combination of a fixed seat and a folding sleeve, splashing soil is blocked, and the digging device is convenient to use. The safety of operators and bystanders is protected, environmental pollution is reduced, the folding sleeve is designed in a folding mode, storage is convenient, space is saved, soil can be effectively shielded when the folding sleeve is unfolded, the stability of the folding sleeve in operation is guaranteed through the arrangement of a balance weight ring, the folding sleeve is prevented from falling off or deforming, in addition, the folding sleeve is made of engineering plastic, and the folding sleeve is convenient to use. And due to the transparent arrangement, an operator can clearly observe the pit digging process, and the operation position and depth can be conveniently adjusted.

The application belongs to the technical field of engineering construction soil protection, and provides an anti-cracking geotextile and a manufacturing method thereof, which comprises a fabric layer, a first reinforcing layer and a second reinforcing layer arranged on the top and bottom of the fabric layer respectively, and a glue layer arranged between the fabric layer and the first reinforcing layer and the second reinforcing layer; a tensile layer is arranged at the bottom of the second reinforcing layer, and a PE film layer is arranged at the top of the first reinforcing layer. Thus, the geotextile can prevent the phenomenon of bare soil dust, has excellent tensile and anti-cracking properties, can bear the daily walking of construction personnel, the storage of equipment, and even the rolling of trucks, and can ensure the construction, and can be recycled at the end of the project and used for road paving and soil layer construction of landscaping. The second-use geotextile still has good tensile and anti-cracking properties.