48 results about "Geonets" patented technology

The invention discloses a micro-drip-irrigation three-dimensional soil fixation mesh pad and a preparation method thereof, and relates to the technical field of ecological environment protection, the micro-drip-irrigation three-dimensional soil fixation mesh pad comprises an irrigation device and a three-dimensional soil fixation mesh pad, and further comprises a micro-drip-irrigation assembly connected with the three-dimensional soil fixation mesh pad, the micro-drip irrigation assembly comprises a plurality of reinforcing ribs used for transmitting fluid and a plurality of micro-drip irrigation switches arranged on the reinforcing ribs, and the micro-drip irrigation switches are used for controlling the speed of sucking the fluid from the reinforcing ribs; the problem that irrigation is uneven due to the fact that an irrigation line of an existing three-dimensional geonet pad irrigation device is long is solved.

The utility model discloses a water conservancy slope protection net in the technical field of water conservancy projects, which comprises a river levee, a slope surface is arranged on the side surface of the river levee, a plurality of slope protection geonets are arrayed and laid on the surface of the slope surface, and the corners of the slope protection geonets are overlapped with the corners of the other three adjacent slope protection geonets. A first clamping plate is placed at the corner of the lowermost slope protection geonet, a second clamping plate is placed at the corner of the uppermost slope protection geonet, through holes are formed in the first clamping plate and the second clamping plate in a penetrating mode, a screw is arranged below the first clamping plate, and the screw penetrates through the through holes in the first clamping plate and the second clamping plate and extends out of the second clamping plate. The part, extending out of the second clamping plate, of the screw is in threaded connection with a nut. By means of the first clamping plate, the second clamping plate, the screws, the nuts and the like, connection between the slope protection geonets is achieved, the structure is simple and easy to understand, manufacturing cost is lower, and the slope protection geonet connector has good market prospects.

The utility model relates to an ecological concrete grout pad which comprises geotechnical cloth laid on the upper side and the lower side of a geotechnical mat respectively, a geonet is laid on the geotechnical cloth, the edge of the geotechnical mat is wrapped with surrounding cloth, the edges of the geonet and the geotechnical cloth are located on the inner side of the surrounding cloth, positioning cloth is fixed to the four corners of the surrounding cloth respectively, and penetrating holes are formed in the positioning cloth. Positioning rods are arranged in the penetrating holes, a plurality of through holes are formed in the geotechnical cloth, reinforcing rings are arranged in the penetrating holes, and the positioning rods can be inserted into the corresponding reinforcing rings. A plurality of grout pads are spliced together, positioning rods penetrate through the penetrating holes in the positioning cloth of the grout pads, the bottoms of the positioning rods are inserted into the ecological concrete, and therefore the effect of connecting the grout pads together is achieved, and the effect of fixing the positions of the grout pads can be achieved through the positioning rods; therefore, the problem that after a plurality of grout pads are spliced, the grout pads are separated from the ecological concrete due to external environment factors such as strong wind is avoided.

The subgrade anti-settlement structure is characterized in that a lower drainage layer has water resistance and is stacked on a cushion layer, and a lower geotechnical grid is arranged on the lower drainage layer; and the upper drainage layer is arranged on the lower geotechnical grid. The structural strip is embedded in the middle of the first rubber strip in the thickness direction and arranged in the width direction of the first rubber strip. According to the roadbed anti-settlement structure provided by the utility model, the strength of the first adhesive tape in the width direction is enhanced through the structural strips, and the structural strength of each grid in the lower geotechnical grids can be enhanced. By means of the lower geotechnical grid with the reinforced structure, the whole strength of the upper drainage layer is guaranteed, meanwhile, the toughness of each grid in the lower geotechnical grid is improved, and the possibility that the upper drainage layer is abnormal in structure is lowered. Reinforcement is achieved through compounding of the upper geotechnical grid, and the structural strength of the pavement layer is improved. Meanwhile, the structural stability of the upper drainage layer is improved, and the sedimentation possibility is reduced.

The utility model belongs to the technical field of geonet pad manufacturing, and particularly relates to one-time forming equipment for a three-dimensional geonet pad. The one-time forming equipment for the three-dimensional geonet pad comprises an extruder and a die head connected with the end part of the extruder, and is characterized in that an unwinding roller is arranged below the extruder, a slidable spinneret plate is connected below the die head, a plurality of uniformly arranged spinneret orifices are formed in the spinneret plate, a cooling water tank is arranged behind the unwinding roller, and a drawing roller is arranged behind the cooling water tank. The beneficial effects of the utility model are that one-step molding can be realized, the cost is effectively saved, and the material waste is avoided; by means of melt bonding, the problem of heating weld penetration caused in the prior art is avoided; and the flat screen does not need to be heated, so that the energy consumption is reduced.

The utility model discloses an ecological ditch for rice and fish water, and relates to the technical field of ecological environment protection process design. The ecological ditch comprises a ditch body, the ditch body comprises a ditch bottom and a bank slope, a sand gravel cushion layer, gabion gabions, a planting soil layer and a three-dimensional geonet are sequentially laid on the bank slope from inside to outside, a block stone protection pad is arranged between the ditch bottom and the bank slope, and aquatic plants are planted in the planting soil layer. The device guides and discharges tail water of the rice-fish system, reduces pollution of a rice-fish water area, improves the self-cleaning capacity of the rice-fish system, and improves the fishery water quality of the rice-fish system.

The invention relates to a composite drip irrigation pipe interlayer combined silk pad and a manufacturing process and device thereof, and belongs to the technical field of geonet pads. The method comprises the specific steps that a drip irrigation pipe sequentially penetrates through an extrusion machine head and a forming mold, meanwhile, molten plastic is injected into the forming mold through the extrusion machine head, a continuous plastic tow is formed, and the drip irrigation pipe falling vertically is located on the inner side of the plastic tow; the plastic tows fall onto a pair of forming rollers after being output through the forming die, the forming rollers pull the plastic tows and apply extrusion force, so that the plastic tows are bonded at multiple points around the drip irrigation pipe, the position of the drip irrigation pipe is locked, and the silk pad containing the drip irrigation pipe interlayer is formed. After being cooled and shaped, the silk pad is cut into a plurality of independent composite drip irrigation pipe interlayer combined silk pads through a trimming and cutting device. The silk mat not only can protect slopes and stabilize sand, reduce water and soil loss and increase the survival rate of vegetation, but also can improve soil stability, enhance the greening effect of side slopes and prolong the service life by providing timely water supplement.

An elongated polymeric impermeable geomembrane sheet having opposing first and second surfaces with a plurality of spaced-apart first projections extending from the first surface, said first projections each tapering to a pointed apex at a distal extent, which first projections for mechanically engaging a synthetic drainage geomesh sheet overlaid by a tufted geotextile sheet and in contact with adjacent fill materials within the aggregation, whereby the aggregation has increased resistance to shear failure of the aggregation of fill materials and reducing stabilization failures of materials aggregation applications. A ground covering closure system is disclosed.

The utility model relates to the technical field of ecological ditches in land reclamation engineering, in particular to a landscape ecological ditch capable of intercepting nitrogen and phosphorus, which comprises a ditch body and a nitrogen and phosphorus intercepting device arranged in the ditch body, the ditch body comprises a ditch bottom and ditch walls on two sides, and the ditch walls on the two sides are identical in structure. The ecological bricks are composed of ecological bricks with ecological holes; the nitrogen and phosphorus intercepting device is arranged between channel walls on the two sides, located in the middle of a channel and connected with the channel walls on the two sides and comprises a shell, flow guide walls and a three-dimensional geonet filled with adsorption materials, the flow guide walls are arranged in the shell and located on the left side and the right side in the shell, one end of each flow guide wall is connected with the shell, and the other end of each flow guide wall is not connected with the shell. Three-dimensional geonet pads are laid at a water flow inlet and a water flow outlet of the nitrogen and phosphorus intercepting device and at the top of the shell. According to the utility model, the traditional irrigation and water conservancy requirements can be met in the land reclamation project, the water quality can be purified, and the landscape aesthetics can be improved.

The utility model relates to the technical field of water conservancy slope protection, in particular to a water conservancy slope protection capable of preventing water and soil loss, which comprises a slope protection main body, a plurality of planting grooves are arranged on the slope surface of the slope protection main body, an assembly frame is slidably connected in the planting grooves, a geonet is fixedly connected to the inner wall of the assembly frame, and a plurality of water conservancy slope protection grooves are arranged in the geonet. And a plurality of locking nails are inserted into the planting grooves. The water conservancy slope protection device has the advantages that in rainstorm weather, the rainwater flow on the water conservancy slope protection can be increased, rainwater can flow to the arc-shaped water baffles along the slope surfaces, impact force can be generated on the arc-shaped water baffles, the guide rods can be driven to slide relative to the baffles, at the moment, the springs can be compressed, water flow can be buffered, and the water conservancy slope protection device is convenient to use. The flow speed of water flow can be reduced, at the moment, rainwater blocked by the arc-shaped water baffles can flow out of the drainage holes and flow to the geonet from the notches, at the moment, impact force of the rainwater can be reduced, and the water and soil loss prevention capacity of the water conservancy slope protection can be further improved.

The invention discloses a pavement construction monitoring system and a use method thereof, and when a plurality of geotechnical grids are connected in the length direction, corresponding optical fiber pairs are connected to form optical fiber chain pairs; a plurality of butt joint optical fibers detachably connect one ends of the optical fiber chain pairs; the plurality of sensing assemblies are arranged corresponding to the other end of the optical fiber chain pair. According to the pavement construction monitoring system and the use method thereof, the bending forward angle of the separation sheet is 120 degrees, a stable honeycomb structure is formed, and the optical fiber part is guaranteed; the upper structural strip protects the optical fiber part, and meanwhile, the vertical structural strip and the optical fiber part form a function, so that the optical fiber part can obtain a more accurate feedback signal; related sensing data of the sensing assembly can guide whether the laying state of the geotechnical grid reaches the standard or not, in the follow-up road surface construction process, the sensing data of the sensing assembly can also provide the machining path, speed and pressure, and after road surface construction is completed, the remaining optical fiber part can still monitor the state of the road surface.

The application provides a wrapped embankment brick surface reinforced retaining wall structure, which comprises a retaining ground, and a retaining wall is arranged on the top of the retaining ground; the retaining wall comprises multiple layers of hollow bricks which are stacked and formed, the hollow bricks in the same layer are transversely assembled in rows, the hollow bricks in the upper and lower layers are staggered, and connecting pieces are arranged between the hollow bricks in the upper and lower layers. The hollow bricks are assembled on the top of the retaining ground, the hollow bricks of the retaining wall are assembled by using the transverse row assembly and longitudinal staggered assembly process, the hollow bricks in the upper and lower layers are connected through the connecting pieces, and the hollow bricks in the upper layer should be staggered with the wall bricks in the next layer during assembly. The connecting pieces are used for fixing the positions of the hollow bricks, connecting the hollow bricks in the upper and lower layers, fixing the geotechnical net, and connecting the geotechnical net with the retaining wall.

The application discloses a three-dimensional geotechnical net laying quality evaluation and process optimization method and device for complex slope surfaces and a medium, and relates to the technical field of artificial intelligence, and comprises the following steps: collecting laying area data in real time through a visual sensing device, generating a three-dimensional point cloud of a geotechnical net surface and a slope surface, and calculating a fitting deviation of a fitting degree; obtaining mechanical state information in laying, reversely solving a tension distribution based on a net mat mechanical constitutive relation, and then calculating a distribution index reflecting tension uniformity; fusing the fitting deviation and the tension distribution uniformity index, and outputting a comprehensive real-time construction quality score by using a pre-established quality evaluation model; taking the maximum score as a target, dynamically adjusting laying process parameters through an online optimization algorithm, and controlling construction equipment to execute, so that a perception-evaluation-optimization closed loop is formed. The application realizes online quantitative evaluation of laying quality and self-adaptive optimization of process parameters.

The utility model discloses a river bank slope protection composite plastic geonet auxiliary laying assembly, and relates to the technical field of geonet installation, the river bank slope protection composite plastic geonet auxiliary laying assembly comprises U-shaped nails and a limiting ring groove, the multiple U-shaped nails are subjected to limiting discharging through a material laying assembly, and the material laying assembly is used for achieving rapid material laying operation of the U-shaped nails; the material spreading assembly comprises a material spreading strip, a transverse connecting rib, an annular block and an elastic clamping piece. And the bottom ends of the two vertical parts of the U-shaped nails are connected to the inner sides of the two annular blocks in an inserted mode correspondingly, the elastic clamping pieces are connected to the inner sides of the limiting annular grooves in a clamped mode and used for limiting and fixing the U-shaped nails, and therefore limiting discharging of the multiple U-shaped nails is achieved. According to the laying device for the geonet, the laying component is arranged, so that a plurality of U-shaped nails can be arranged and limited, the U-shaped nails can be wound and stored in a daily state, the wound laying component is put down and unfolded along a slope, namely, the laying operation of the U-shaped nails is completed, the distance between the U-shaped nails is controllable, the overall operation is simple and convenient, and the laying efficiency of the geonet can be effectively improved.

The invention relates to the technical field of slope reinforcement, and aims to solve the problems that in the prior art, a traditional reinforcement structure hinders plant growth and is poor in ecological benefit, the instant stability requirement of a high and steep slope is difficult to meet by purely depending on root system soil fixation, a slope surface layer is prone to slippage, and the simple superposition synergistic effect of a traditional rigid structure and ecological reinforcement is insufficient. The reservoir bank slope reinforcing method based on the root system-engineering structure coupling effect comprises the following steps that S1, slope pretreatment is conducted; s2, constructing a three-dimensional geonet pad; s3, planting matrix construction; s4, vegetation establishment and maintenance; s5, later monitoring and maintenance; the deep taproot system plants, the shallow creeping system plants and the three-dimensional geonet pad form a composite reinforcing system, the anti-scouring performance of the side slope is improved, the stability of the side slope is enhanced, the long-term durability is better, the ecological restoration and landscape effects are achieved, the construction and maintenance cost is reduced, and the environmental adaptability is higher.

The invention relates to a spinning three-dimensional geonet, a spinning three-dimensional geonet forming device and a spinning three-dimensional geonet forming process. The technical problems that an existing spinning three-dimensional geonet extrusion shaping mold is high in cost, low in production efficiency and the like are solved. The device is arranged on one side of a spinning die head of the injection molding machine and comprises a machine base, a cooling groove with an opening in the upper end is formed in the machine base, two extrusion roller bodies with forming assemblies on the circumferential outer sides are movably arranged on one side of the opening of the cooling groove, and a forming gap located above the cooling groove is formed between the two extrusion roller bodies. The extrusion roller body is connected with a forming driving mechanism capable of driving the extrusion roller body to rotate in the circumferential direction, and a traction mechanism and a beating dehydration mechanism which are located above the other side of the opening of the cooling groove are arranged on one side of the upper end of the machine base. The forming device has the advantages that the specification of the forming assembly can be replaced according to the requirements of a user through the detachably arranged forming assembly, the requirements of the user for the forming specification of the screw plate are met, the production efficiency is improved, and the equipment cost is reduced.

The utility model relates to the technical field of geogrids, in particular to an ecological geonet pad with a high-strength cross-stitched structure, which sequentially comprises a top flat-layer two-way stretching grid, geotechnical cloth, a two-way stretching folding net and a bottom flat-layer two-way stretching grid from top to bottom, the top flat layer two-way stretching grating, the two-way stretching folding net and the bottom flat layer two-way stretching grating are bound and fixed through binding ropes. Physical stability required by the side slope can be provided, shallow stability of the slope body can be enhanced through growth of vegetation, and the overall stability of the side slope is further improved. In addition, root systems of vegetation can go deep into the earth surface to form a firm green composite protection layer, water and soil loss is effectively prevented, the greening area is increased, and the ecological environment is improved. The construction cost is low, and the construction cost can be greatly reduced. In addition, the construction process is simple, complex technologies and large equipment are not needed, rapid implementation and maintenance are facilitated, and therefore the construction period can be shortened, and the labor intensity can be reduced.

The utility model provides a river channel prefabricated revetment structure which is reasonable in structural design, efficient in construction, safe, economical and capable of meeting the landscape requirement. The precast pile comprises a precast pile, an anchor bolt structure, a pile head, a breast board and a block stone building surface, the block stone surfaces are fixed on two sides of the river channel; the precast pile is formed by vertically splicing at least two pile sections, the upper pile section and the lower pile section are fixed together through an anchor bolt structure, and the lowest pile section and the pile head are connected and fixed together. The multiple precast piles are arranged side by side in the river channel direction, a soil retaining plate is arranged between every two adjacent precast piles, and each soil retaining plate comprises a precast slab, drainage holes and a geonet. Grooves are formed in the two sides of the pile section, and the side edges of the prefabricated slabs are pressed into the grooves. Weep holes are formed in the prefabricated plate, the geonet is fixed on the prefabricated plate, and the geonet is fixed with a block stone building surface of a river channel.

The utility model discloses an artificial slope greening turf protective layer in a cold and dry area, which relates to the related technical field of greening turf and comprises an artificial slope and a grid beam, and the grid beam is fixedly arranged on the artificial slope by arranging node anchor rods. The three-dimensional geonet has the advantages that the soil fixation effect and the flexibility of the three-dimensional geonet are utilized, and the turf is artificially planted in advance, so that the turf does not need to wait for integral forming, the turf transplanting condition can be met after a growing season, and the turf planted on an engineering site is more suitable for local climate conditions and high in survival rate; local ecological conditions are artificially simulated, turf is artificially planted in a centralized mode, overall transplanting is conducted when climate conditions are appropriate, a planting blanket which has certain integrity and impact resistance and can be cut at will according to the laying shape is formed through a three-dimensional geonet, grass seeds are scattered on the planting blanket, and the artificially-planted turf is formed. Due to the integrity of the planting blanket, integral transplanting can be achieved in the early stage of turf survival.

The invention discloses a high and steep slope pipeline backfill combined type anti-sliding anchoring structure and a construction method thereof, and the structure comprises a concrete protection layer which is poured on pipe ditch backfill soil of a high and steep slope and is arranged along the slope forming direction of the high and steep slope; the supporting frames are installed on the concrete protection layer, the multiple supporting frames are arranged at intervals in the length direction of the concrete protection layer, and a limiting space is formed between every two adjacent supporting frames; the vegetation bags are laid in the limiting space, and vegetation seeds, planting soil and fertilizer are poured into the vegetation bags; the geonet covers the vegetation bag; the anchoring rope net is pressed against the geonet and comprises a plurality of transverse ropes and a plurality of longitudinal ropes, the transverse ropes and the longitudinal ropes are arranged in a crisscross mode, and the two ends of the transverse ropes and the two ends of the longitudinal ropes are fixedly arranged on the high and steep slope through ground anchors respectively. The problem that an existing high and steep pipeline backfilling technology cannot meet three core requirements of structural stability, scouring resistance and ecological restoration at the same time is solved.

The utility model relates to the technical field of building construction, in particular to an anti-seepage device at the joint of a cofferdam and a retaining wall. Comprising a steel plate arranged in a retaining wall and an anti-seepage body arranged in a cofferdam, a geomembrane is arranged in the anti-seepage body and fixedly connected with the steel plate, and a telescopic asphalt wood plate and a geotechnical grid assembly are sequentially arranged on the geomembrane from the end close to the steel plate to the end away from the steel plate. The geogrid assembly comprises a geogrid net and a filler layer, the geogrid net is fixedly connected to the geomembrane, a filler space is formed between the geogrid net and the geomembrane, the filler layer is arranged in the filler space, the filler layer is made of clay and gravel, and the anti-seepage body is made of concrete; seepage at the joint of the cofferdam and the retaining wall is prevented, and dry land operation of a foundation pit is guaranteed.

The present invention relates to a planting blanket for river regulation and its using method. The planting blanket body includes a surface film layer, a plant fiber layer, a planting layer, a functional net layer and a three-dimensional geogrid mat. The left end of the upper surface of the three-dimensional geogrid mat is low and the right end is high. A plurality of rows of flocking belts are connected to the lower surface of the functional net layer, and the lower ends of the flocking belts pass downward through the mesh holes of the three-dimensional geogrid mat. The planting layer contains plant seeds and edible mushroom strains. The right ends of the plant fiber layer, the planting layer, the functional net layer and the three-dimensional geogrid mat are fixedly connected. The upper surface of the plant fiber layer contacts the surface film layer, and the left and right ends of the surface film layer respectively cover the left and right ends of the plant fiber layer and the planting layer. The present invention provides a dual-purpose planting blanket for the bottom and slope of a river with good soil and water conservation function, which can reduce the project cost and construction difficulty.

A novel geonet is characterized in that a net body is formed by interweaving and connecting a plurality of plastic filaments to form a plurality of irregular N-polygon grids, and N is larger than or equal to 4; and nodal protrusions are arranged at the intersections of the plastic filaments, so that the connection strength of the intersections is improved. Through the design of the net body structure and the selection of materials, the strength of the geonet is greatly improved compared with the prior art, the bearing capacity of the geonet is greatly enhanced, the gram weight of a product is reduced, and the use amount of the materials is effectively reduced while the strength is guaranteed. The geonet is particularly suitable for slope protection engineering, soil erosion and landslide can be effectively prevented, and the stability and safety of a slope structure are ensured.

The invention belongs to the technical field of mine restoration, and particularly relates to a mine slope restoration treatment device which comprises a frame, a hole plate and a geonet are fixedly arranged on the lower side of the interior of the frame, the geonet is located below the hole plate, and the mine slope restoration treatment device further comprises a water storage mechanism arranged in one side of the frame and capable of collecting rainwater; the diluting and spraying mechanism is arranged in the frame, and the diluting and spraying mechanism not only can irrigate the planting soil in the frame, but also can dilute nutrient substances in the planting soil at the inclined bottom of the frame and discharge the diluted nutrient substances into the planting soil on the upper side of the interior of the frame; the auxiliary supporting mechanisms are arranged on the upper side of the interior of the frame, and the auxiliary supporting mechanisms are used for supporting and lifting up inclined green plant trunks. Precise nutrient and moisture regulation and control of mine slope planting can be achieved, plants are evenly cultivated and strengthened and protected, and the stability, effectiveness and sustainability of ecological restoration are improved.

The invention relates to the technical field of ecological slope protection and water and soil conservation, and particularly discloses a reservoir microorganism nutrition supply type environment-friendly slope protection system which comprises a plurality of protection units connected in sequence and fixed to a slope surface through anchoring devices. Each protection unit comprises a geonet, geotechnical cloth, a grid net and a steel rope net which are sequentially arranged from bottom to top; the protection unit further comprises a microbe layer and an ecological layer which are sequentially arranged between the two layers of grid nets from bottom to top. The microbe layer is composed of a plurality of microorganism filling bags, and the ecological layer is composed of a plurality of plant seed filling bags; the system further comprises a natural authigenic nutrient slow release device and a drainage device. According to the method, powerful physical support can be jointly provided for the slope surface through multi-layer protection and intricate plant root systems, meanwhile, needed nutrient substances can be provided for plants for a long time, and therefore long-acting ecological restoration is achieved.

Disclosed herein are system, method, and computer program product aspects for validating protolanes. For example, the method includes determining a protolane level flowchart from one or more flowcharts corresponding to one or more gates of a protolane selected from a set of protolanes of a geonet, wherein the one or more flowcharts correspond to conditions that can be encountered by an actor approaching the corresponding one or more gates, and wherein the geonet comprises a plurality of lane segments associated with the set of protolanes. A graph through the protolane level flowchart is generated that corresponds to actions of an actor. Reasoning of the actor is validated by testing the actions of the actor against the graph through the protolane level flowchart.

The utility model discloses a composite drainage geonet pad convenient to combine and connect, which relates to the field of drainage geonet pads and comprises drainage geonet pads, porous filter layers are adhered to the top end and the bottom end of each drainage geonet pad, and a plurality of adjacent drainage geonet pads are spliced to form a drainage pad. Every two adjacent drainage net pads are spliced and combined through a butt joint mechanism; a connecting groove is formed in the non-annular part of the drainage net pad, and the butt joint mechanism is inserted into the connecting groove; the butt joint mechanism comprises a connecting assembly and an inserting assembly. The connecting assembly is in butt joint with the connecting groove, and the inserting assembly is used for limiting the connecting assembly which is in butt joint with the connecting groove. According to the drainage net pad, the butt joint mechanism is arranged, after butt joint of the connecting assembly and the inserting assembly of the butt joint mechanism is completed, the self-locking effect can be achieved, the self-locking effect is irreversible, the splicing effect of the drainage net pad can be effectively improved, and the service life of the drainage net pad is prolonged.

The invention belongs to the technical field of geonet pad production, and particularly relates to a three-dimensional geonet pad production device. The three-dimensional geonet pad production device comprises a drying oven and is characterized in that an upper bubbling head and a lower bubbling head are arranged behind the drying oven, the upper bubbling head is installed on an upper chain, the lower bubbling head is installed on a lower chain, the upper chain is wound on an upper driving chain wheel and an upper driven chain wheel, and the lower chain is wound on a lower driving chain wheel and a lower driven chain wheel. A welding head is arranged behind the upper driven chain wheel, a welding pressing plate is arranged above the welding head, and a material returning plate is arranged on the lower portion of the welding pressing plate. The three-dimensional geonet pad production line has the beneficial effects that the production speed of a three-dimensional geonet pad is greatly increased, meanwhile, the stability and consistency of product quality are guaranteed, and the requirements of large-scale engineering application are met. In addition, the labor dependence is reduced, the labor cost is reduced, the material waste is reduced by accurately controlling the material use, and the economic benefit is further improved.

The invention provides a wrapped embankment brick surface reinforced retaining wall structure which comprises a retaining soil foundation, a retaining wall is piled at the top of the retaining soil foundation, the retaining wall is formed by piling multiple layers of hollow bricks, the hollow bricks on the same layer are transversely spliced in rows, the hollow bricks on the upper layer and the lower layer are spliced in a staggered mode, and connecting pieces are arranged between the hollow bricks on the upper layer and the lower layer. Splicing construction of the hollow bricks is conducted on the top of the soil retaining foundation, a retaining wall body formed by the hollow bricks of the retaining wall adopts the splicing technology of transverse row-by-row splicing and longitudinal staggered splicing, the hollow bricks on the upper layer and the lower layer are connected through connecting pieces, and the hollow bricks on the upper layer need to be spliced with wall bricks on the lower layer in a staggered mode during splicing. The connecting pieces are used for fixing the positions of the hollow bricks, connection of the upper-layer hollow bricks and the lower-layer hollow bricks is kept, and the connecting pieces further have the effects of fixing the tie bar geonet and keeping connection of the geonet and the retaining wall.