90 results about "Soil stabilization" patented technology

The invention discloses a high and cold arid region slope soil stability safety risk evaluation system and method, and relates to the technical field of slope engineering. The state of each side slope under multi-dimensional indexes such as freeze-thaw cycle frequency, dry-wet alternation index, wind erosion strength, shear strength, water content, porosity and fracture density is quantified, the feature similarity between any two side slopes is calculated, and then a side slope feature similarity matrix is formed. Based on the matrix, an unsupervised clustering algorithm (such as spectral clustering, similarity propagation and the like) can be adopted to divide a plurality of side slopes into similar subsets with structural characteristics similar to environmental response, and category attribution of risks is achieved. On the basis, structural variation analysis, historical instability statistics and central risk difference extraction are performed on similar slope samples, so that the internal instability tendency of the slope can be identified, and a risk prediction model suitable for the type of slope can be constructed through feature training.

The invention relates to the technical field of geological environment monitoring, in particular to a stability monitoring method for ecological slope protection of an expressway. The method comprises the following steps: acquiring remote sensing data of an expressway monitoring area; performing water and soil loss area detection according to the remote sensing data of the highway monitoring area to obtain water and soil loss area data; performing erosion intensity analysis according to the water and soil loss area data to obtain erosion intensity data; extracting vegetation coverage data of the water and soil loss area data; performing drainage clogging analysis according to the vegetation coverage data and the erosion intensity data to obtain drainage clogging data; performing soil stability analysis based on the drainage clogging data to obtain soil stability data; and detecting the soil compaction degree according to the soil stability data. Based on the geological environment monitoring technology, the detection and prediction precision of water and soil loss, soil stability and ecological slope protection stability of the highway monitoring area is improved, and the landslide prevention and ecological protection efficiency is improved.

The invention relates to a soil stabilization system (10) for safety strips on runways, comprising a load distribution layer (11) and a vault layer (12) below the load distribution layer (11).

The technical field of soil stabilization specifically relates to a collapsible loess solidification material and its preparation method. Its raw materials are loess, light-burned magnesium oxide, magnesium sulfate heptahydrate, water, and coal gangue. The preparation method involves preparing a mixed solution A (comprising magnesium sulfate heptahydrate and water) and a dry mixture B (comprising light-burned magnesium oxide, coal gangue, and loess), mixing and stirring them uniformly. The material is then formed, demolded, and cured. This method utilizes waste resources, is energy-efficient and environmentally friendly, has a simple production process, and is low-cost. The resulting solidified loess exhibits a 28-day compressive strength of 6.5 to 9.5 MPa.

The invention provides an EICP-based sandy soil curing agent, a sandy soil curing method and application thereof, and relates to the technical field of rock and soil reinforcement. The sandy soil curing agent comprises a urease solution, a cementing fluid and a hydrophobic polymer, wherein the urease solution is prepared by salting out a urease crude extract and then carrying out solid-liquid separation; the cementing liquid comprises calcium salt, magnesium salt and urea. The curing agent is convenient to use, the solidified soil body is stable in structure, and the curing agent has excellent disintegration resistance. The invention further provides a sandy soil curing method and application of the sandy soil curing agent or the sandy soil curing method.

The invention discloses an automatic monitoring system for water and soil conservation of a runoff plot. The automatic monitoring system comprises a multi-dimensional sensor network, an edge intelligent processing node and a cloud collaborative analysis platform. The invention relates to the technical field of water and soil conservation monitoring, in particular to an automatic monitoring system for water and soil conservation of a runoff plot, which integrates total factor data of vegetation, soil, runoff and the like through a multi-dimensional sensor network and breaks through the limitation of traditional single-parameter monitoring. The edge intelligent processing node realizes data real-time analysis and abnormal early warning, and solves the delay problem of cloud dependence; low-power-consumption communication and an energy strategy guarantee long-term stable operation in a complex environment; the cloud collaboration platform deeply analyzes a water and soil loss rule based on a fusion model and GIS visualization, provides quantitative decision support for measures such as vegetation recovery and engineering soil fixation, constructs a complete closed loop of collection-processing-analysis-decision, and comprehensively improves the accuracy and intelligent level of water and soil conservation monitoring.

The utility model discloses a soil sample collector which comprises a collecting head, auxiliary convex blocks are evenly and fixedly connected to the inner wall of the collecting head, the auxiliary convex blocks are of a semicircular structure, the collecting head is of a conical structure, a sharp plug is fixedly connected to the side wall of the bottom end of the collecting head, and a cutting line is fixedly connected to the connecting position of the collecting head and the sharp plug. The middle of the side wall of one end of the collecting head is detachably connected with a fixing rod, and one end, far away from the collecting head, of the fixing rod is detachably connected with a connecting rod. The soil collecting device has the following advantages that the collecting head is of a conical structure, so that soil can be compressed into the collecting head along with descending of the collecting head, and pressure can be applied to the soil; and meanwhile, auxiliary convex blocks are fixed to the inner wall of the collecting head, when the collecting head needs to be rotated after being inserted into the soil, the auxiliary convex blocks can be clamped into the soil in the rotating process, and therefore the fixing effect on the soil is improved.

This utility model discloses a device for measuring changes in matrix suction gradient, including a soil tensiometer body; a clay head is fixedly installed at the bottom of the soil tensiometer body, an electronic tensiometer is fixedly installed at the end of the soil tensiometer body away from the clay head, and a water inlet pipe is fixedly installed on one side of the soil tensiometer body, communicating with the soil tensiometer body, with a threaded cap threaded onto the water inlet pipe; this utility model, by fitting two semi-circular chucks onto the soil tensiometer body and fixing the two semi-circular chucks with pins, places the end of the support rod away from the semi-circular chucks on the ground, and inserts the rod into the support rod insertion hole to limit and fix the fixing plate, the cooperation of the support rod and the semi-circular chucks can provide support for the soil tensiometer body, preventing it from tilting due to collisions with external objects, making the device safer when continuously monitoring outdoors, and allowing the clay head at the bottom of the soil tensiometer body to maintain stable contact with the soil.

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 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 invention discloses a construction method of a ternary solidification drainage root system flexible thick shell layer. The construction method comprises the following steps that firstly, a deep and thick soft soil layer with a certain thickness is formed, wherein the deep and thick soft soil layer is subjected to drainage solidification through a plant fiber type drainage plate; 2, forming a shallow sludge solidification treatment layer with a certain thickness; and 3, forming a shallow vetiver root system ecological soil fixation layer with a certain thickness. According to the method, sludge soil in the deep soft foundation is quickly converted into plastic soil from fluid soil, the bearing capacity characteristic value of the formed overall stable foundation is larger than or equal to 100 Kpa or above, and the post-construction settlement value is smaller than or equal to 15 cm or below.

The present invention relates to a limiting and fixing device for a geocell, comprising a fixed plug rod, a cavity is formed inside the fixed plug rod, a fixing mechanism for preventing the fixed plug rod from being separated from the soil is provided at the bottom of the cavity, and an injection mechanism for improving soil stability is provided in the middle of the cavity; after the second piston moves to below a plurality of discharge holes, due to the influence of the air pressure in the area between the first piston and the second piston, the diluted soil solidifying agent is first sprayed out from the plurality of discharge holes to spray the soil around the fixed plug rod, and after the air pressure is reduced, the diluted soil solidifying agent flows out from the plurality of discharge holes, soaks the soil below the fixed plug rod along the outer wall of the fixed plug rod, and cooperates with an external soil compacting tool to compact the soil around the fixed plug rod, so as to avoid the situation where the soil is loose and the fixed plug rod is pulled out of the soil, thereby improving the stability of the fixed plug rod.

The utility model relates to the technical field of forestry site survey, and discloses a forestry site design survey device which comprises a range finder body and a telescopic support, and a hinge groove is formed in the side wall of the bottom end of the telescopic support; the range finder body, the telescopic support, the hinge groove, the supporting plate, the hinge rod, the T-shaped sliding groove, the T-shaped sliding block, the conical rod, the limiting device and the like are used in cooperation. Firstly, the telescopic support is unfolded, at the moment, a supporting plate enables a conical rod on the bottom face of a T-shaped sliding block in a T-shaped sliding groove to be perpendicular to the soil surface through a hinge rod and a hinge groove, then the supporting plate and the T-shaped sliding block are treaded, the conical rod on the bottom face of the T-shaped sliding block goes deep into soft or wet and slippery soil, then the soil is firmly grabbed, the telescopic support is stabilized, and the supporting stability is improved; and the T-shaped sliding block can be pulled according to the use requirement, the distance between the two sets of conical rods can be adjusted, the conical rods can go deep into soil conveniently, and a limiting device can automatically fix the moved T-shaped sliding block.

This utility model discloses a pollution-resistant modular rapid greening paving device, belonging to the technical field of rapid greening paving devices. It includes a fixed frame with a fixed frame structure, side plates fixed on both sides of the fixed frame, and an installation plate horizontally fixed between the side plates. A spraying assembly is installed on the installation plate, and a paving assembly is fixed on the fixed frame structure. This utility model effectively separates the paving materials from the main body of the device through the fixed frame structure, improving the convenience of material loading and realizing the modular rapid paving capability of the device. Furthermore, the cooperation between the spraying assembly and the paving assembly facilitates the placement of geotextile under the lawn and watering the lawn, improving the pollution resistance and survival rate of the green lawn, thus realizing the pollution-resistant greening paving capability of the device. Ultimately, it solves the problem that existing devices generally have low water retention and soil stabilization capabilities for lawns.

A soil-stabilizing composite structure system includes: a first stainless steel box-type sleeve, installed on a base plate and connected to the main concrete structure via anchor bars located under the base plate; an FRP box-type column pier, located adjacent to one end of the base plate inside the first stainless steel box-type sleeve and fixedly connected to the first stainless steel box-type sleeve via stainless steel single-sided groove rivets; a second stainless steel box-type sleeve, fitted onto the FRP box-type column pier at the end different from the first stainless steel box-type sleeve and fixedly connected to the FRP box-type column pier via stainless steel single-sided groove rivets; and an FRP tie bar, having an end, with the end of the FRP tie bar connected to an ear plate on the outer side of the second stainless steel box-type sleeve via a spherical bearing. This invention not only achieves solid upper soil cover and smooth lower drainage, resulting in a durable structure suitable for landscape buildings with steep slopes requiring soil stabilization, but also enables modular installation, and the socket-type fixing connection further ensures structural safety and reliability.

The invention belongs to the technical field of salinized soil melt sinking coefficient determination, and particularly relates to a coarse-grain salinized soil melt sinking coefficient determination method, which comprises: S1, sample preparation, S11, sampling: sampling from a research area to ensure that a salinized soil sample has representativeness, S12, drying: placing the soil sample in a drying oven, drying to a constant weight at a temperature of 105 DEG C, removing water in the soil sample, and determining the melt sinking coefficient of coarse-grain salinized soil. S13, screening: screening a soil sample, removing fine particles, and retaining coarse particle parts greater than 2mm, S2, initial mass and volume measurement, S3, soaking process, S4, observation and recording, S5, mass and volume measurement at the end, S6, calculation of a melt sinking coefficient, and S7, result analysis and explanation, the soil stability can be evaluated, and by measurement of the melt sinking coefficient, the stability of the soil can be evaluated. According to the method, the possible unstable soil area can be identified in advance, so that corresponding reinforcement or treatment measures are taken, structural damage caused by soil instability is avoided, and the operation is simple and convenient.

The invention discloses a slope surface protection supporting structure of a high and steep soil slope and a construction method of the slope surface protection supporting structure, and relates to the field of slope supporting. S2, a traditional slope supporting structure is constructed, and the stability is detected; s3, digging a planting pit and carrying out wall protection treatment; s4, a root system control cage body is installed and fixed; s5, seedlings are planted and cultivated in the root system control cage body, and lateral roots extend into the soft soil body area in a directional mode; s6, the plants and the root system control cage are removed, and root system holes are protected; s7, a grouting anchoring assembly is arranged; s8, performing pressure grouting construction; s9, maintaining the grouting body and detecting the stability of the side slope; and S10, the planting pits are sealed and filled, and slope ending is completed. The problems that according to a traditional grouting technology, grout is difficult to permeate into a soft area in a soil body, and gaps are prone to being generated on the combination face of the grout and the soil body are solved, the grouting body can deeply permeate and be tightly combined with the soil body, and the overall construction technology gives consideration to the short-term ecological soil fixation requirement and the long-term engineering stability requirement.

A soil stabilizer comprising quicklime and limestone powder, and, optionally, pozzolan, as well as methods of making and using the same, are described.

The invention discloses a soil stabilization treatment method. Specifically, the present invention relates to a method for stabilizing soil comprising (i) pretreating the soil with carbide slag and then (ii) treating the pretreated soil of step (i) with a hydraulic road binder. The invention also relates to application of the carbide slag as a pretreatment agent for stabilizing soil.

The utility model discloses a slope-to-flat type plant planting slope protection unit, and relates to the technical field of river channel slope change. The protection slope is processed to be of a flat slope structure, a plurality of mutually-spliced protection slope unit modules are arranged on the upper surface of the protection slope, the protection slope unit modules form a stepped structure on the protection slope, a protection structure is arranged at the junction of the lower side of the protection slope and river water, and vegetation is planted above the protection slope unit modules. Stone is arranged in a cavity between the slope protection unit module and the slope protection, backfill soil is arranged in the upper portion of the slope protection unit module, and the vegetation is planted in the backfill soil. According to the ecological slope protection mode, the slope protection unit modules are spliced and connected to the surface of the slope protection, the surface of a soil body of vegetation can be kept in a horizontal stable state, soil stability is kept to the maximum extent, the effects of soil conservation and water storage are outstanding, the soil on which slope protection plants grow is effectively protected, healthy growth of the slope protection plants is promoted, and the ecological slope protection effect is achieved. The long-acting and stable plant slope protection effect is ensured.

A synthetic binder for use in road paving, soil stabilization, and waterproofing, comprises a mixture of an A-E (acrylic-styrene) copolymer, with modified monomers in its proportion, and an amine-type adhesion enhancer. The synthetic binder may include a copolymer of the AE type (acrylic-styrene) with 25-50% butyl acrylate (C7H12O2), 25-50% 2-ethylhexyl acrylate (C11H20O2), and 25-75% styrene (C8H8), plus 0.5-1.5% acrylic acid (C3H4O2). The mixture may be emulsified in water at 50%, and then introduced into a polymerization reactor.

A cellular confinement system (1) for soil stabilization, comprising strips (10) arranged next to each other, wherein adjacent strips (10) are attached together at local attachment areas (11) spaced along the strips (10), wherein portions (12) of each strip (10) located between two local attachment areas (11) are allowed to bend to conform the cellular confinement system (1) into an array of cells (13) for receiving filler material, wherein each strip (10) comprises a polymer matrix (20) and at least one reinforcement (21) embedded within the polymer matrix (20) and extending over the entire length of the strip (10), each reinforcement (21) being obtained by grouping a plurality of filaments (22) together, the reinforcement (21) being pretensioned so that a residual force is conserved in the reinforcement (21) once it is embedded into the polymer matrix (20). A manufacturing process involving co-extrusion of said matrix (20) and reinforcement (21) is disclosed.

This invention relates to the field of slope protection construction technology and discloses a slope structure for soil and water conservation in arid areas. Several transverse water collection channels are arranged at equal intervals and buried within the slope. Water diversion and collection components are installed on the transverse water collection channels, and a slope bottom water collection channel is located at the bottom of the slope, with the transverse water collection channel at the bottom of the slope positioned above the slope bottom water collection channel. It adopts a planting grass grid base structure and simultaneously incorporates a structural structure to form a water resource recycling and reuse structure. This allows for efficient use of water resources to irrigate and maintain the planted soil-stabilizing vegetation, thereby improving vegetation survival rate and reducing long-term investment costs. The water collection structure also forms a reinforcing structure in the lower layer of the slope foundation, effectively maintaining the foundation stability of the slope. Thus, by combining vegetation soil stabilization and structural soil stabilization, the invention maintains low-cost slope protection while ensuring the soil and water conservation performance of the slope protection.

The invention relates to the technical field of bank protection piles, in particular to a stable bank protection ecological insertion plate pile and a manufacturing method thereof.The interlocking type insertion plate pile comprises a pile body, tenons are arranged on the two sides of the pile body, and the tenons longitudinally penetrate through the overall height of the pile body; the pile body is provided with a water facing part, a soil facing part on the rear side and a connecting part connected between the water facing part and the soil facing part, and a plant ecological part is arranged in the pile body; tenons are arranged on the two sides of the pile bodies, clamping grooves of mortise and tenon structures are formed in the two sides of each inserting plate, the inserting plates are inserted between the two adjacent pile bodies to form transversely-spliced interlocking type inserting plate piles, the clamping grooves are matched with the tenons, and the vegetation-soil fixation integrated system is used for directionally anchoring the soil body behind the piles through plant root systems to form a pile body-root system-soil body three-dimensional reinforcement body. The shear strength of the soil body behind the piles is further improved by 20%-35%, the overall anti-sliding stability coefficient of the revetment is improved by 15% or above, and the problem that a soft soil bank slope is prone to collapse is solved.

This invention relates to the field of ecological restoration and greening technology, specifically disclosing a soil stabilization structure for rockfill slopes, comprising: multiple first water pipes and multiple second water pipes. A switching assembly allows water from the first water pipes to flow into the second water pipes through a connecting pipe. An impact cleaning assembly cleans the drip holes, preventing blockage by soil colloids (such as clay particles) and microbial secretions (such as extracellular polysaccharides), thus reducing infiltration efficiency. A sealing assembly maintains pressure on the water flow in the second water pipes, allowing collapsed areas during heavy rains to be re-supported. Simultaneously, it can introduce water from other first water pipes into other parts of the second water pipes. Once the second water pipes are full, the sealing assembly seals the connecting pipes. A pressurizing assembly pressurizes the water according to the number of opening switches on the first water pipe's connecting pipe, ensuring that water from the first water pipes can normally enter the second water pipes.

The application discloses a ridging ditch device with a ditch wall flattening function, which comprises a plow head, a bottom plate, a connecting support, symmetrically arranged side pressing plates, wing plates and the like. A push rod is pushed to the position of the plow head. After the push rod is moved, the pulley, the supporting block and the movable block are pushed to move to the position of the plow head. In the moving process of the movable block, one end of the extrusion plate is pushed to make the extrusion plate rotate. After the extrusion plate is rotated, the other end of the extrusion plate extrudes the side pressing plate, so that the side pressing plate is unfolded outward, thereby the width of the rear end of the side pressing plate can be adjusted. The ridging ditch can be opened according to the local climate conditions or the required size, different requirements can be met, and the applicability is improved. Through the setting of the triangular blocks, the reaction force can be effectively decomposed, the service life of the inserting rod is prolonged, and after the downward thrust component is transmitted to the soil, the bottom of the ridging ditch can be compacted, thereby the soil stability of the bottom of the ridging ditch is improved, and the obtained ditch wall is complete and smooth.

The invention relates to the field of curing treatment of problematic soil, in particular to a bi-component inorganic curing agent suitable for curing problematic soil and application of the bi-component inorganic curing agent. A conditioning agent composed of a soil stabilizer, an ion exchange material and a micro-nano reinforcing material is used as a component B, and a use mode is formed by four treatment steps of soil pretreatment, curing agent addition, stirring and mixing and land maintenance. Compared with the prior art, the soil stabilizer has the advantages that the main body part of the soil stabilizer is recycled from industrial waste, other added parts such as aluminum sulfate and bentonite are adopted, the cost is low, the cost performance is high, the cost is reduced by 20-40% compared with that of a traditional method, the component A can provide a gelling effect, the component B can regulate the soil property and enhance the curing effect, and the soil stabilizer is suitable for large-scale popularization and application. And the corresponding construction process is simple and is very environment-friendly.

The invention relates to a preparation process of sandy soil hardening composite powder for seaside sand blowing land reclamation, which is applied to the field of soil stabilizing materials. Sand grains are synergistically activated by a mechanical-chemical dual-mode activation mechanism, a quartz crystal structure is destroyed by mechanical force to improve an inert structure of the quartz crystal structure, and then the activity of the sand grains is activated by a chemical agent; the curing performance of the material is effectively improved, the mixing amount of cement is effectively reduced through particle size grading design, the early curing strength can be effectively improved, compared with the prior art, the cement can be directly mixed with marine silt with low salt content for use, the salt leaching link is omitted, and water resources and energy consumption are saved; in the activating process, a composite exciting agent solution is added through spraying of the spraying head, the exciting agent and sand grains are fully mixed, and the spraying head can achieve anti-blocking and self-cleaning.

A kind of heavy metal contaminated soil in particulate state and effective state arsenic antimony synchronous solidification and stabilization material, preparation method and application, including the following mass percentage of components: polyacrylamide 5~25%, nano silicon dioxide 5~20%, fly ash 10~25%, ferrihydrite 20~60%, biochar 5~20%.The material of the application can efficiently improve the mechanical properties of heavy metal contaminated soil and prevent water and soil erosion, the solidification effect of particulate state arsenic / antimony is more than 95%, the 28d unconfined compressive strength can be increased by 30~110%, while the leaching rate of effective state arsenic / antimony is reduced by more than 99%.The material is suitable for repairing arsenic / antimony composite contaminated soil, improving soil stability, and preventing heavy metals from spreading around through surface runoff and interflow.The material is an environmentally friendly material, which does not damage and greatly disturb the soil, and can improve the soil while solidifying and stabilizing arsenic / antimony, and maintain the soil utilization value.

This invention relates to a mass-optimized geogrid system and method for stabilizing regolith and other granular soils in extraterrestrial and extreme Earth environments. Mass reduction is achieved both locally—within individual geogrid layers through optimization of lattice geometry, variable mesh density, and reinforcement at stress concentrations—and globally, by varying the spacing and distribution of layers according to structural demands. The geogrid may be fabricated from materials that are locally sourced or compositionally traceable to in-situ resource utilization (ISRU) processes in environments such as the Moon, Mars, or terrestrial polar and desert regions where conventional construction materials are limited or costly to transport. The method includes restructuring the regolith by size-sorting and compaction to produce a particle-size distribution proportionally matched to the mesh openings, enhancing mechanical interlock and shear resistance. Structural efficiency can be tuned and verified through physical testing and finite-element analysis for scalable, repeatable construction.