108 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 utility model relates to the technical field of water conservancy protection slope upstream faces, in particular to a water conservancy project protection slope design model which comprises a slope body, one side of the slope body is fixedly connected with a slope toe, the top of the slope toe is provided with an anti-scour assembly, the anti-scour assembly comprises a protection slope main body, the protection slope main body is fixedly connected to the top of the slope toe, and the slope toe is fixedly connected with the slope toe. A drainage groove is formed in one side of the top of the slope protection body, a water receiving groove is formed in the side, away from the drainage groove, of the top of the slope toe, and a green plant planting block is fixedly connected to an inner cavity of the water receiving groove. According to the slope protection design model for the water conservancy project, by installing the anti-scouring assembly, in the process of using the model, through cooperation of green plant planting blocks, metal grids and other components and special structural design, impact of water flow can be resisted, erosion of the water flow to a slope surface is reduced, the service life of a protection slope is prolonged, and safe operation of water conservancy facilities is guaranteed; green plants are planted on the surface, rainwater can be effectively absorbed, water and soil loss is reduced, and soil stability is improved.

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 present invention relates to the field of slope reinforcement technology, specifically to a rapid construction method for mudstone interlayer slope protection and reinforcement technology, which solves the problems that the existing reinforcement efficiency of slopes with mudstone interlayers through on-site concrete pouring is low, and it cannot meet the rapid reinforcement of different slopes. When the water content of the slope soil is too high, it is not convenient to maintain soil stability, which easily causes slope collapse and other problems. A mudstone interlayer slope protection and reinforcement device includes a slope body, an X-direction reinforcement mechanism and a Z-direction tensioning mechanism. A plurality of Y-direction reinforcement mechanisms are installed on one side of the slope body, and a drainage ditch is provided on the side of the bottom of the slope body. The present invention can effectively improve the slope solidification effect and construction efficiency by using an assembled method to segment and anchor the slope, and is convenient for active drainage of the slope soil to avoid slope collapse caused by excessive water content.

The invention belongs to the technical field of repairing of solid waste treatment and disposal, and particularly relates to a large-volume pyrite slag in-situ curing and final covering structure and a repairing method. The remediation method comprises the following steps: evaluating the waste residue mass in a project area, and evaluating the waste residue pollution stability; an original waste residue point in-situ curing method is adopted, and implementation is carried out by selecting a stabilizer and leaching engineering; an original waste residue point final covering method is adopted, and an anti-seepage layer is formed by laying an anti-seepage geotextile mold; according to the method, an ecological restoration method is adopted, soil stabilization treatment is carried out through a soil covering and backfilling method, and ecological restoration is carried out through nursery stock selection, soil selection and cultivation key points; therefore, a stable and efficient comprehensive treatment method for large-volume pyrite waste residues, which adapts to environmental factors such as local climate, terrain, soil and the like, is established.

Soil stabilization slab with cells designed to contain a filling material. The invention relates to a soil stabilization grid (1) with cells (2; 2a) intended to contain a filling material, for example a planting substrate, such as soil, or aggregates such as sand, gravel, or other materials. A cell (2; 2a) comprises a peripheral wall (3) extending perpendicularly from a base plane (4) and including a lower edge (5) secured, by gluing and / or welding and / or interlocking, to a support (6). Advantageously, the peripheral wall (3) of a cell (2, 2a) has an upper edge defining a wave-shaped edge (15) (16) comprising vertices (17) between which extend recessed portions (18). The vertices (17) are shared between at least two adjacent cells (2, 2a) and are located at the height of an intersection node (9) between these cells. Figure for The abridged version: Fig. 1

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 furrow furrow forming device with a furrow wall flattening function, which comprises a plowshare, a bottom plate, a connecting bracket, symmetrically arranged side pressing plates, wing plates and the like, a push rod is pushed to the plowshare, after the push rod moves, a pulley, a support block and a movable block are pushed to move to the plowshare, and the movable block pushes one end of an extrusion plate in the moving process, so that the furrow furrow forming device can flatten the furrow wall. One end of the extrusion plate is rotated to enable the extrusion plate to rotate, and after the extrusion plate rotates, the other end of the extrusion plate extrudes the side pressing plate to enable the side pressing plate to be unfolded outwards, so that the width of the rear end part of the side pressing plate can be adjusted, furrows can be formed according to local climate conditions or required sizes, different requirements can be met, and the applicability is improved; by arranging the triangular blocks, counter-acting force can be effectively decomposed, the service life of the inserting rods is prolonged, and after downward thrust components are transmitted to soil, the bottoms of the furrows can be tightly pressed, so that the soil stability of the bottoms of the furrows is improved, and the obtained furrow walls are complete and smooth.

The invention relates to the technical field of environmental monitoring, discloses a system and a method for water and soil conservation monitoring, and aims to provide a scientific basis for prevention and control of water and soil loss through dynamic real-time monitoring and comprehensive evaluation. The method comprises the steps that soil basic parameters and environment real-time parameters are collected, the soil stability is calculated, and the water and soil loss risk is evaluated according to the soil stability; when the water and soil loss risk exceeds a threshold value, soil stability scoring is carried out according to the soil stability and the soil basic parameters; when the soil stability score is lower than a set threshold value, evaluating the vegetation restoration capability, and evaluating the regional water and soil conservation efficiency in combination with the water and soil loss risk and the vegetation restoration capability; and judging whether to trigger early warning or not according to a water and soil conservation efficiency evaluation result. By introducing multi-dimensional evaluation mechanisms such as soil stability, stability score, vegetation recovery capability and the like, an accurate and dynamic water and soil conservation monitoring scheme is provided, and the method has relatively high real-time performance, reliability and application value.

The utility model belongs to the field of supporting structure equipment, and particularly relates to a slope protection supporting structure for a water conservancy project. The technical problems that an existing slope protection supporting structure is usually laid on the surface of slope soil, dependence on soil stability is high, and fixation between the slope protection supporting structures is not stable are solved. According to the technical scheme, the slope protection supporting structure for the water conservancy project comprises a connecting assembly; the device further comprises a slope protection assembly and a fixing assembly. The first fixing plate is placed on the slope, the slope below the first installation groove is slotted, then the soil nail steel pipe penetrates through the first installation groove and extends into the groove body below the first installation groove, and therefore the first fixing plate is fixed to the slope, and slope soil is located below the fourth groove body after installation is completed. A lawn can be laid below the fourth tank body, so that the root system of the lawn extends into the slope soil, and the stability of the slope soil is improved; the risk that a slope protection supporting structure excessively depends on the stability of soil on the surface of a slope, and collapse is generated after soil loss is avoided.

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.

The invention relates to the technical field of road engineering materials, in particular to a soil stabilizer for a road and a preparation method of the soil stabilizer. The soil stabilizer for the road is prepared from the following raw materials in parts by weight: 10 to 85 parts of glucan, 2 to 25 parts of halogenated epoxy compound, 5 to 50 parts of sulfamic acid, 2 to 20 parts of glycidyl ether and 20 to 150 parts of solid waste filler. Glucan is modified through a halogenated epoxy compound, an epoxy group is introduced into the glucan, and a chemical relation is established through sulfamic acid and glycidyl ether to obtain an organic framework polymer, so that the organic framework polymer can play a supporting role in soil, can also improve moisture diffusion and absorption efficiency and improve the aggregation degree of soil particles, and can be used for improving the soil moisture diffusion and absorption efficiency. The bearing capacity and stability of the soil are optimized, and the freezing resistance of the soil is improved. The soil stabilizer for the road provided by the invention can effectively solve the technical problems of poor soil bearing capacity and poor freezing resistance of the road at present.

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.