168 results about "Soil protection" patented technology

The invention relates to a data processing method and device based on a spoil field, equipment and a medium. The method comprises the following steps: according to water and soil loss evaluation parameters of each target area in a target spoil site, performing water and soil loss evaluation calculation on each target area by using a water and soil loss model to obtain respective soil loss amount of each target area; according to the respective soil loss amount of each target area, determining the respective erosion risk level of each target area; determining respective soil protection and restoration measures of each target area according to the respective erosion risk level of each target area; for each target area, the rainfall capacity and the soil humidity of the target area are obtained, and the drainage demand of the target area is determined according to the rainfall capacity, the soil humidity and the soil loss amount of the target area; under the condition that the soil protection and restoration measures of the target area are implemented, automatic drainage equipment installed in the target area is controlled to adjust the drainage amount according to the drainage demand. By adopting the method, the modification efficiency of the spoil field can be improved.

The invention discloses an ecological management method for an eroded gully in a high and cold wet steppe area, which comprises the following steps: firstly, cleaning sundries in the eroded gully, and then performing slope cutting treatment on the gully bottom and gully slope of the eroded gully; pine piles or gabion protection feet are arranged at the bottom of a ditch slope of the erosion ditch; gabion check dams and / or raft pile dams are arranged in the extending direction of the channel of the erosion gully at intervals; vegetation is planted on a ditch slope of the erosion ditch, and an ecological intercepting ditch is formed in the top of the ditch slope; the comprehensive protection system is constructed through the measures of the channel stepped gabion check dam, the log raft piles, the channel slope stabilizing structure, the ecological revetment, soil protection, vegetation recovery and the like, extension and expansion of the erosion gabion are prevented, the stable state of the gabion bank is kept, ecological balance is promoted through vegetation recovery, the anti-scouring, stability and ecological function of the erosion gabion bank are enhanced, and the ecological protection effect of the erosion gabion bank is improved. The problems existing in the prior art are solved, and the purpose of long-term effective ecological treatment of the erosion gully is achieved.

The present invention discloses a screw drill with the function of preventing the clogging of a drill bit water hole, comprising a fixed sleeve column and a three-cone drill bit device, wherein a hydraulic motor device is arranged at an inner position on the right side of the fixed sleeve column, a universal shaft device is sleeved at an outer wall position on the left side of the hydraulic motor device, the drill bit water hole in the fixed three-cone drill bit is arranged as an internally threaded drill bit water hole, and an externally threaded slope soil-proof net device is sleeved at an inner position of the internally threaded drill bit water hole, so that when the screw drill is drilling, the externally threaded slope soil-proof net device can prevent mud from entering the internally threaded drill bit water hole, and the externally threaded slope soil-proof net device can synchronously discharge mud, so that the internally threaded drill bit water hole can be used continuously without the need for staff to perform cleaning work, and the entire device can also continue to work, which not only improves work efficiency but also reduces the workload of staff.

The invention discloses a raise-boring surface soil treatment method which comprises the following steps: calibrating a raise-boring reaming boundary and an outer boundary of a raise-boring machine bearing platform on the ground, sequentially constructing an inner soil protection cast-in-place pile and an outer soil protection cast-in-place pile on the periphery of the raise-boring reaming boundary, and constructing a raise-boring machine bearing cast-in-place pile according to the shape of a raise-boring machine base. And finally, a raise boring machine bearing platform used for supporting the raise boring machine is poured at the designated position. By arranging the inner soil protecting cast-in-place piles and the outer soil protecting cast-in-place piles which form a circle in a surrounding mode, the surface soil layer is supported and strengthened, the raise boring machine is supported, it is guaranteed that a raise reamer bit smoothly expands holes, a large amount of manpower and material resources do not need to be consumed for processing the surface soil layer, and the construction difficulty and the construction cost are reduced; all the cast-in-place piles are drilled into the unweathered rock, pile heads of the cast-in-place piles are fixed by a raise boring machine bearing platform formed by casting, the two ends of the cast-in-place piles are fixed, and the supporting effect on the surface soil layer is further improved.

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 a soil improvement effect evaluation system and method based on soil corrosion prevention, soil moisture conservation and fertility improvement, and relates to the technical field of soil optimization. A soil corrosion prevention index is generated based on a soil loss rate, a soil stability index and a vegetation coverage rate; generating a soil moisture preservation index based on the water holding rate, porosity and evaporation water loss of the soil sample; according to the method, a soil fertility improvement index is generated by measuring the total content of organic matters, nitrogen phosphorus and potassium and the pH value, and further sampling and normalization are carried out on each index in a secondary test area to generate a comprehensive evaluation index, so that scientific quantitative evaluation is carried out on the soil improvement effect, and a decision basis is provided for soil protection and agricultural sustainable development.

The invention discloses irrigation equipment for an agricultural planting base, and relates to the technical field of agricultural planting, the irrigation equipment comprises a water delivery cylinder, the inner wall of the water delivery cylinder is slidably connected with a shunt pipe, the bottom of the shunt pipe is fixedly connected with a filter frame, the bottom of the filter frame is fixedly connected with a fixing rod, and the outer wall of the shunt pipe is fixedly connected with a plurality of water delivery pipes. A driving mechanism is arranged at the bottom of the fixing rod so that the irrigation range can be enlarged and spraying can be more uniform during irrigation work, and a spraying mechanism is arranged on the inner wall of the mounting pipe so that the spraying mechanism can be automatically hidden and protected after the irrigation work is completed. According to the irrigation equipment for the agricultural planting base, water flow is used for driving water wheel blades to rotate and driving a fixing rod, a filtering frame and a water conveying pipe to rotate, a spraying mechanism rotates during irrigation, the irrigation range is enlarged and uniform spraying is achieved due to different lengths of the water conveying pipe, meanwhile, centrifugal force prevents a water source from directly flushing soil, and the surrounding environment of crops is protected.

The invention provides an ecological revetment system with a rainwater purification function. The ecological revetment system comprises a revetment main body, an anti-scouring zone, a sewage interception zone and a purification zone, the anti-scouring zone is arranged at the upper end of the revetment and comprises a plurality of tiled rock blocks; the at least two stages of sewage intercepting belts are arranged at intervals in a step shape in the slope direction of the revetment, at least one sewage intercepting belt is adjacent to the anti-scouring belt, at least one sewage intercepting belt is adjacent to the water body, and each sewage intercepting belt comprises a gabion retaining wall; the purification zones are arranged between the adjacent sewage interception zones and comprise aquatic plants. Through cooperation of the anti-scouring zone, the sewage intercepting zone and the purifying zone, scouring of rainwater to soil is reduced, effective purification of the rainwater is achieved, meanwhile, the revetment ecological system is enriched, soil protection, rainwater purification and vegetation planting are organically combined, and a complete ecological system is formed.

The invention relates to the field of water conservancy projects, and provides a flexible ecological dam and a construction method thereof. The ecological dam comprises a dam body, film bag piles are constructed in the dam body, and geogrids are installed outside the film bag piles. The vegetation layer is laid on the upstream face and / or the downstream face; the water and soil protection blanket is laid on the vegetation layer so that the vegetation layer can be attached to the upstream face and / or the downstream face; and the protection foot is formed on the upstream face and closely attached to the embankment. According to the ecological dam, the dam and the foundation stratum can be integrated, the integrity and stability of the dam body structure are improved, and the anti-sliding performance of the dam is enhanced; the root system of the vegetation layer can be attached to the dam and locked tightly, the integrity of the dam is enhanced, and the safety of the dam is further enhanced. The protection feet are arranged on the upstream face, damage to the bottom embankment caused by rapid sand erosion can be resisted, and meanwhile the situation that a dam foundation is damaged due to water flow erosion or human factors on a riverbed and a seabed, and consequently the overall safety of the dam is affected is prevented.

The utility model relates to a flexible water and ice storage slope protection retaining wall, and belongs to the technical field of civil engineering. In order to overcome the defects existing in the prior art, the flexible water and ice storage slope protection retaining wall comprises a retaining wall body structure and a drainage ditch adjacent to the outer side of the retaining wall body structure, the retaining wall body structure comprises a gabion set, the gabion set comprises a plurality of gabions arranged from top to bottom, and the gabions are arranged in the drainage ditch. The gabion is filled with aggregate, and galvanized steel wire rings are arranged on the outer side and the bottom of the gabion set. The drainage ditch comprises a side ditch, a seepage ditch located below the side ditch and a drainage pipe buried in the seepage ditch. The utility model provides an integrated retaining wall structure which has an ice retaining function in a high-altitude area and a water and soil protection capability of a cut slope. The slope retaining structure is suitable for slope retaining protection of a water-rich slope with a seasonal freezing and thawing phenomenon in a high-altitude or alpine region.

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 invention discloses an environment-friendly snow melting agent which is mainly prepared from the following raw materials in percentage by mass: 20-50% of potassium acetate, 10-16% of potassium chloride, 4-10% of calcium chloride and calcium acetate, 3-7% of magnesium chloride, 10-30% of an ice-resistant binder, 11-17% of a soil protective agent, 5-6% of cellulose and 3-9% of a plant protective agent. The ice-resistant binder is one or a combination of more of calcium acetate, magnesium acetate, potassium acetate and potassium formate, the mass ratio of calcium acetate to magnesium acetate is 3: (7.5-8.5), and the soil protective agent comprises 5-15% of diatomite and 10-20% of bentonite. Compared with the prior art, the environment-friendly snow melting agent disclosed by the invention can reduce the freezing point, prevent adhesion of an ice layer and a road surface and accelerate melting of an ice surface, so that a melted ice-snow-water mixture is easier to remove, effective recycling of resources is realized, pollution to the environment is reduced, and meanwhile, the treatment pressure of wastes is reduced.

The utility model discloses an inner side soil body protection device suitable for guide wall construction. The inner side soil body protection device comprises a steel wire mesh and a side formwork. The steel wire mesh is arranged between the collapse area and the guide wall pouring area, and the side formwork is arranged on the side, opposite to the steel wire mesh, of the guide wall pouring area. A limiting frame is arranged between the collapse area and the steel wire mesh in a sliding mode. Under the action of the limiting frame and the steel wire mesh, a pouring area of the guide wall can be well blocked and protected to a certain degree, so that a large amount of concrete is prevented from flowing into a collapse area in the pouring process, waste is further avoided, meanwhile, the steel wire mesh can be directly embedded in the solidified guide wall finally, and the strength of the guide wall is 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 present invention relates to the technical field of urban greening construction, and specifically to a roadside tree pit filling protection construction method, the method comprising: after the tree pit is excavated and geotextile is laid, designing and manufacturing a protection device body according to the size of the top pit mouth of the tree pit; fixing the manufactured protection device body on the edge of the top pit mouth of the tree pit to press the geotextile, and fixing the enclosure on the outer edge of the protection device body; hingedly connecting a buffer baffle plate to the inner edge of the protection device body; after the buffer baffle plate closes the top pit mouth of the tree pit, backfilling green soil with a loader, and during the backfilling process of the green soil, the buffer baffle plate is pressed down by the weight of the green soil itself, so that the buffer baffle plate is closely attached to the geotextile at the side wall of the tree pit; after the green soil is backfilled, it is leveled, and then a tree pit is excavated and roadside trees are planted in the tree pit. It can avoid secondary pollution of surrounding structures by backfilling green soil, and can also prevent the geotextile from being damaged and falling off, which is more conducive to the planting and survival of seedlings in the later stage.

The invention provides a spoil yard cemented soil protection structure and a construction method thereof.The spoil yard cemented soil protection structure comprises a retaining wall and a protection slope made of slurry-rich cemented soil, the retaining wall comprises a wall body made of cemented soil, a slurry-rich cemented soil layer is arranged on the top of the cemented soil wall body, and a slurry-rich cemented soil reinforcing layer is arranged on the downstream side of the cemented soil wall body; the retaining wall is arranged at the downstream position of the waste slag yard, and the slope protection covers the surface of the backfilled waste slag and is connected with the top of the retaining wall. The waste slag can be fully utilized, the cement consumption is remarkably reduced, and the method has the technical advantages of being green and economical; scouring of rainwater to the slope surface of the waste slag field can be reduced, the slope ratio of the waste slag field is optimized, and the land area is reduced.

The utility model relates to the technical field of ecological slope protection, and discloses a water and soil protection ecological slope protection structure which comprises a slope body, a three-dimensional net pad is installed on the surface of the slope body, a broken stone hardcore is laid on the upper surface of the three-dimensional net pad, and a geogrid is installed on the upper surface of the broken stone hardcore. And the slope protection frame is arranged on the upper surface of the geogrid, and the three-dimensional net pad, the broken stone hardcore layer, the geogrid and the slope protection frame are combined to form the slope protection device. The height of the slope protection frame can be increased by pulling an extension plate upwards, so that the surface of ecological concrete can be intercepted, water and soil of a slope body can be effectively protected, meanwhile, the extension plate can drive an inclined plate to move upwards when moving upwards, and therefore an insertion rod can be driven to be inserted into an insertion hole; therefore, the slope protection frames are connected, the slope protection frames form a whole and are not prone to falling off, and the water and soil protection effect of the ecological slope protection is improved.

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.

Mower characterized in that it comprises: a cutting mechanism configured to perform a cutting operation, wherein the cutting mechanism is arranged below the machine body and deflected to one side of the machine body; a machine body connected to a side guard located outside the cutting mechanism to form a protective barrier on the side of the cutting mechanism; and a bottom guard located below the cutting mechanism to form a protective barrier below the cutting mechanism, wherein the bottom guard is provided with a grass inlet.

The invention provides directional drainage composite geotechnical cloth, and relates to the technical field of slope soil protection, the directional drainage composite geotechnical cloth comprises a plurality of independent geotechnical cloth assemblies, each independent geotechnical cloth assembly is provided with a fixing mechanism, a drainage assembly and a flow guide mechanism, and the surface layer of each independent geotechnical cloth assembly is provided with an upper geomembrane; the bottom of the upper-layer geomembrane is filled with an anti-seepage layer, the lower-layer geomembrane is attached to the top of the anti-seepage layer, and the fixing mechanism sequentially penetrates through the surface of the lower-layer geomembrane, the surface of the anti-seepage layer and the surface of the upper-layer geomembrane. Meanwhile, the problem that an acting point of the bottom layer of the independent geotechnical cloth assembly sinks can be avoided, the water accumulation condition is avoided, water generated on the surface of the independent geotechnical cloth assembly can be comprehensively collected, soil blocks accumulated in a conveying pipeline in the drainage process can also be crushed, and the probability of complete blockage is reduced.

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.