25 results about "Geonets" patented technology

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 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.

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 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 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 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.

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 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.

The utility model discloses a slope greening structure, aims to utilize ecological bags to form a side wall and a vegetation groove, and is convenient to construct and low in cost, and adopts the technical scheme that the slope greening structure comprises a slope and the side wall, the side wall consists of the ecological bags, the ecological bags are filled with planting soil, and the planting groove is formed in the slope. The side wall is arranged on the side slope, a vegetation groove is formed between the side wall and the side slope, matrix soil is arranged in the vegetation groove, a geonet is arranged on the side slope, and the geonet is connected into the vegetation groove.

The present application belongs to the technical field of steel pipe pile sinking, and particularly relates to a method for reducing pile sliding in the process of sinking large steel pipe piles, and the method is specifically as follows: 3-5 layers of geonets are arranged on the inner wall of the steel pipe pile in the vertical direction at intervals, wherein the interval between the two adjacent geonets is 6-10 m, and the distance between the lowermost geonet and the lower end surface of the steel pipe pile is 6-10 m; by arranging the geonets on the inner wall of the steel pipe pile, the additional resistance provided by the geonets can effectively slow down the penetration speed of the pile body, inhibit the continuous acceleration development of the pile sliding, thereby reducing the risk of major safety accidents such as the violent shaking of the sinker system, the instability of the crane ship, the rupture of the steel wire rope, and even the falling of the hammer body into the sea caused by the uncontrollable rapid sinking of the pile body, and significantly improving the safety of the construction workers and the ship machine equipment.

The invention belongs to the technical field of geotechnical material preparation, and particularly relates to a preparation method of a high-strength geonet pad. The preparation method of the high-strength geonet pad is characterized by comprising the following steps: (1) taking a geogrid as a lower layer, and taking a bop stretching net or the geogrid as an upper layer; (2) laying a plurality of layers of bop stretching nets between the upper layer and the lower layer as a middle layer; (3) the upper layer structure, the middle layer structure and the lower layer structure are connected together in a spot welding mode to form the geonet pad; and (4) soaking the prepared geonet pad in the high polymer material solution, and then taking out and airing the geonet pad. The composite material has the beneficial effects that the composite material has higher strength and durability, and the high-standard requirements of the civil engineering field on geotechnical materials are met. The strength of the geonet is improved, and the flexibility and plasticity of the geonet are kept. And in the use process, the influence of environmental factors can be effectively resisted, so that the service life is prolonged.

The dam slope protection structure comprises a soil base layer, a set of first slope protection blocks are laid on the upper surface of the soil base layer, a second slope protection block is laid on the upper surface of each first slope protection block, a gravel layer is laid on the upper surface of the soil base layer, and the gravel layer is laid on the lower surface of the soil base layer. A concrete cushion layer is laid on the upper surface of the gravel layer, a geonet is laid on the upper surface of the concrete cushion layer, a first mounting carrier plate and a second mounting carrier plate are laid on the upper surface of the geonet, and a plurality of slope protection plates are laid on the upper surface of the second mounting carrier plate; the bottom face of each slope protection plate is fixedly connected with a connecting block, a plurality of connecting grooves are formed in the upper surface of the second mounting carrying plate, and the bottom ends of the connecting blocks extend into the connecting grooves. According to the dam slope protection structure, the effect of combined laying connection is achieved, the firm slope protection structure can be formed, the anti-scouring effect is improved, and the protection effect on a dam is enhanced.

The invention relates to the field of geotechnical grids, in particular to a geotechnical grid based on a glass fiber drawing process and a processing device thereof, the geotechnical grid comprises a plurality of longitudinal fiber bundles arranged in parallel at intervals and a plurality of transverse screws arranged in parallel at intervals; the longitudinal fiber bundles are coated with resin; and the transverse screw rod penetrates through the longitudinal fiber bundle. Each longitudinal fiber bundle is composed of two spirally-wound glass fiber bundles coated with resin, so that the longitudinal fiber bundles have good integrity and strength, the protection and bonding performance of the fiber bundles is enhanced through the resin coatings, and the corrosion resistance and the abrasion resistance are improved; the transverse screws are made of glass fiber materials, penetrate through the longitudinal fiber bundles and are inserted between the two pieces of glass fiber, so that the transverse strength and stability of the grid are improved, the longitudinal structure and the transverse structure are tightly combined, and the tensile property and the deformation resistance of the geotechnical grid are integrally improved. The invention further discloses a processing device of the geogrid based on the glass fiber drawing process.

The utility model discloses an ecological slope protection structure for abandoned mine cultivated land ridges, which relates to the technical field of ecological slope protection and comprises a side slope, a geonet layer arranged on the side slope, a surface soil layer arranged on the geonet layer, a vegetation layer arranged on the surface soil layer and non-woven fabrics covered on the vegetation layer. A plurality of fixing piles are arranged on the side slope, the fixing piles are arranged at intervals along the side slope in a layered mode, soil fixing structures are arranged among the fixing piles on the same layering face, and the soil fixing structures are arranged between the surface soil layer and the non-woven fabric and fixedly connected with the fixing piles; according to the structure for the abandoned mine cultivated land ridge ecological slope protection, a stable protection structure can be formed on a side slope, the overall impact resistance and stability of the side slope are improved, the soil fixation capacity is improved, landslide is effectively prevented, and meanwhile growth of vegetation on the side slope can be promoted.

The invention provides a spray seeding and grass planting protection method for a strongly-weathered sandstone roadbed slope, and relates to the technical field of grass planting protection for the strongly-weathered sandstone roadbed slope, and the method comprises the following steps: preparing spray seeding soil, uniformly mixing the spray seeding soil for the first time, and standing the spray seeding soil after uniformly mixing; spraying water to infiltrate the strongly weathered sandstone side slope, and inserting fine bamboo sticks at the same time; uniformly mixing the spray-seeding soil by using a spray-seeding machine, and spray-seeding the spray-seeding soil onto the side slope; according to the method, the problems that the strongly-weathered sandstone side slope is poor in cohesiveness and dry and the like are effectively solved through the steps of covering the surface of the side slope subjected to spray-seeding with a straw mat and a geonet, removing the straw mat and the geonet after grass roots on the side slope, the retaining time of spray-seeding planted grass is long, secondary or multiple repeated spray-seeding is reduced, and the service life of the side slope is prolonged. Meanwhile, the spray-seeding effect is good, the spray-seeding effect is not prone to being washed by rainwater after spray-seeding, the water-retaining property is good, the survival rate of plants is guaranteed, and the safety and stability of the strongly-weathered sandstone roadbed slope are facilitated.

The invention discloses a wading slope reinforcement design method and system based on comprehensive safety assessment, and the method comprises the steps: integrating multi-dimensional basic data and historical cases, and qualitatively evaluating the bank collapse type, the bank stability and the preliminary reinforcement range; establishing a multi-scene numerical model of a reconstructed reservoir bank, a conventional bank slope and sudden water level drop, calculating a slope stability coefficient in a complex working condition scene by adopting a limit equilibrium method, comparing the slope stability coefficient with a standard safety coefficient given by a specification, and determining reinforcing force and corresponding reinforcing parameters in each scene; according to the reinforcement force and the maximum value of the corresponding reinforcement parameter, anchor cable parameters are calculated, anchor cables are longitudinally arranged, and the length of the anchor cables and the slope laying distance are determined; the comprehensive treatment measures of actively reinforcing the side slope through pre-stressed anchor cables, controlling pressure through inclined drainage holes in slope surface construction, preventing scouring through a slope surface lining geonet and constructing a slope surface lattice beam are integrated, the stability of the side slope under the working conditions of reservoir bank reconstruction, stratum model reconstruction, combined slippage and sudden water level drop after reinforcement is rechecked, and it is ensured that the safety standard is met.

The invention relates to a geotechnical composite material which comprises two layers of geotechnical cloth and a geonet arranged between the two layers of geotechnical cloth. The geonet is made of fibers, such as glass fibers, where the fibers, such as glass fibers, have a polymer coating. The invention also relates to a method for preparing the geotechnical composite material, an asphalt pavement doped with the geotechnical composite material, and a construction method of the asphalt pavement.

This invention belongs to the field of steel pipe pile driving technology, specifically relating to a method for reducing pile slippage during the driving of large steel pipe piles. The method involves arranging 3-5 layers of geogrid along the vertical direction on the inner wall of the steel pipe pile, with a spacing of 6-10m between adjacent geogrids and a distance of 6-10m between the lowest geogrid and the lower end face of the steel pipe pile. By setting geogrids on the inner wall of the steel pipe pile, the additional resistance provided by the geogrids effectively slows down the pile's penetration speed, inhibits the continued acceleration of pile slippage, and thus reduces the risk of major safety accidents such as severe shaking of the hammer system, instability of the crane vessel, wire rope breakage, or even the hammer falling into the sea due to uncontrolled rapid sinking of the pile. This significantly improves the safety of construction personnel and equipment.