169 results about "Soil material" patented technology

The utility model belongs to the technical field of carbon molecular sieve production equipment, and discloses a flower mud material crushing conveyor line which comprises crushing equipment, a bottom belt conveyor, an inclined lifting belt conveyor and a vibrating screen, a sunken main pit is formed in the workshop ground of a flower mud crushing station, the crushing equipment is installed in the main pit, and the inclined lifting belt conveyor is installed in the main pit. A feeding hopper of the crushing equipment is removed towards the outer side wall, and the bottom of the feeding hopper is connected through a horizontal steel plate, extends and is connected to the workshop ground in a lap joint mode. The bottom belt conveyor is horizontally connected below a discharge port of the crushing equipment, the bottom end of the inclined lifting belt conveyor is connected at the discharge end of the bottom belt conveyor, and the high end of the inclined lifting belt conveyor inputs crushed flower mud materials to a feed port of the vibrating screen. According to the flower mud material crushing conveying line, crushing equipment is installed in a pit mode, the feeding difficulty is lowered, and the operation safety is improved.

The invention relates to the technical field of geotechnical material local modeling, in particular to a geotechnical material data driving local modeling method and device based on a knowledge migration strategy, and the method comprises the steps: building a first mapping data pair based on the stress-strain physical quantity of a test curve sampling point, and building a high-fidelity data set of a geotechnical material; constructing a second mapping data pair based on the stress-strain state of the simulation curve sampling point and the intermediate physical quantity label, and establishing a low-fidelity data set of the geotechnical material; pre-training the target data-driven constitutive model by using the low-fidelity data set to generate an initial geotechnical material data-driven constitutive model; and driving the model to be fine-tuned by using the high-fidelity data set for the initial geotechnical material data, and generating final geotechnical material data to drive the model. Therefore, the problem of insufficient generalization ability and prediction precision of a data-driven model due to limited training data and unpredictability of a stress path in the prior art is solved.

The invention relates to the technical field of geotechnical engineering intelligence, in particular to a multi-field coupling intelligent triaxial test method and system combined with machine learning, and the method comprises the following steps: initializing a test device, and establishing a material parameter prior distribution function; defining a target test path and obtaining a target control sequence; acquiring real-time test data through a multi-source fusion sensing array, and preprocessing the real-time test data to obtain multi-dimensional feature fusion data; establishing an online parameter identification module to obtain real-time correction material parameters; establishing a heat-water-force multi-field coupling prediction model to obtain an optimal control sequence; acquiring latest test data, and performing rolling optimization on the model to establish a lightweight control model; and generating an intelligent control instruction to realize self-adaptive intelligent control of the triaxial test. According to the invention, through combination with machine learning, the spanning of the triaxial test from experience control to intelligent control is realized, and an intelligent technical means is provided for the research of the multi-field coupling characteristic of the geotechnical material.

The invention is applicable to the technical field of road construction, and provides a digging and filling method for highway subgrade construction, which comprises the following steps: T1, carrying out construction operation according to a construction drawing, digging a pavement through a digging machine to form a groove, and piling dug soil on the ground on two sides of the groove; t2, the grooves are evenly filled with filling materials such as stone, coal cinder and gravel; t3, the road roller is controlled to slowly move along the foundation pit, a soil returning device at the front end of the road roller is used for backfilling soil on the two sides of the foundation pit, and a compaction steel wheel at the rear end of the road roller is used for compacting the backfilled groove; the soil returning device comprises a fixing assembly and a backfilling assembly arranged on the fixing assembly in a sliding mode. According to the method, the rotating shaft is controlled to rotate to drive the two sets of spiral conveying blades with opposite spiral directions to synchronously rotate, most of soil on the two sides of the groove is conveyed into the groove, the two sets of bulldozing plates are driven to push the residual coating into the groove through linkage of all the parts, and the backfilling efficiency is improved.

The invention provides a method for adjusting the moisture content of a tackified soil material yard, and belongs to the technical field of water conservancy and hydropower engineering construction. Calculating the unit water supplementing amount required by the unit volume of cohesive soil in each partition; calculating the total water supplementing amount required by the cohesive soil in each subarea; the number of water supplementing pits in each partition is determined; a plurality of water replenishing pits are uniformly arranged in each subarea; and the multiple arranged water supplementing pits are filled with water, mining is carried out after the water supplementing pits are placed for 2-5 days, mixing is carried out while mining is carried out, and the mixture is loaded and transported to a filling site after uniform mixing. According to the method, the water supplementing pit is arranged in situ in the mining material field, blending is carried out while mining is carried out, the uniformly-blended cohesive soil is directly loaded and transported to the filling field for use, the construction procedure is simple, a temporary soil material stacking field does not need to be additionally developed, secondary soil material transferring is not needed, and the treatment cost is saved; and the moisture content of the soil material increased by the method is close to the optimal moisture content, the humidity is uniform, and the quality of the soil material can be effectively improved.

The invention relates to the field of flow-state solidified soil testing devices, and particularly discloses construction equipment and a construction process for scouring and repairing flow-state solidified soil for an offshore wind turbine foundation. Comprising an overwater carrying carrier, and a material mixing pool, a water adding stirring pool, a material conveying pipeline, a material conveying pump, a slurry conveying mechanism, a flow state solidified soil scouring performance testing device, a solidified soil rotational rheometer, a fluidity test bed, a detection material taking mechanism and a control center which are arranged on the carrier. The construction device is a complete technical system covering performance integrated testing, site construction real-time detection and complex environment coupling simulation, the dual problems that research and development of a flow-state solidified soil material is lagged and site repair quality control is insufficient are effectively solved, and the safety and reliability of offshore wind turbine foundation scouring repair engineering are guaranteed.

This invention relates to the field of deep learning technology, specifically to a numerical simulation method for true triaxial tests of coarse-grained soil materials based on principal stress effects. The method includes the following steps: acquiring three-dimensional geological parameters and boundary condition data of the coarse-grained soil material; and constructing a true triaxial finite element simulation model of the coarse-grained soil based on the three-dimensional geological parameters and boundary condition data. This invention utilizes a loading increment step size for trial calculations and calculates the reward function value based on the convergence state and iteration count of the trial calculation results to update the network parameters, enabling the control strategy to continuously evolve through interaction with the environment. This allows for the identification of dangerous regions with highly nonlinear constitutive relations or near-singular stiffness matrices. In these regions, the step size is automatically reduced to ensure computational convergence, while in stable regions, the step size is increased to improve computational efficiency. This solves the problem that traditional fixed step sizes or simple adaptive step sizes easily lead to computational divergence or excessive iterations under complex stress paths.

The invention relates to a trench cutter comprising at least one milling wheel for crushing soil material and a suction box arranged radially adjacent to the milling wheel, the suction box having a base body in which at least one, in particular plate-shaped, clearing element is detachably mounted on a clearing side facing the milling wheel. According to the invention, the support is slidably mounted on the base body along the clearing side. The invention further relates to a method for dismantling the suction box of a trench cutter according to the invention and a method for assembling the suction box of a trench cutter according to the invention.

The application discloses a kind of wind farm fan installation platform foundation precision backfill construction method, it is related to wind power foundation construction technical field, the specific steps of this method are as follows: first, according to drawing line division operation zone and set up storage area;Again, from top to bottom layer excavation screening soil material, side slope synchronous step compaction;From inside to outside partition backfill, set different virtual paving thickness and compaction detection;Each layer covers the outside of step, two-stage step joint place paving gravel reinforcement;Each layer is measured settlement and dynamically adjusts filler parameter;Finally, fine material leveling, surplus material is used for covering soil, vegetation and drainage;The application adopts radial zoning operation and soil grading screening integrated mode, differentiates and matches the stress demand of each area, cooperates with step gravel reinforcement and standard interlayer treatment, improves backfill compaction uniformity, dynamically regulates and controls filler parameter by layer settlement monitoring, actively controls uneven settlement;Surplus material is used for covering soil, vegetation and drainage, realizes quality closed-loop control and green construction.

The utility model relates to a three -axis sample preparation device with grading limiting function relates to geotechnical mechanics experimental equipment technical field, it includes with centering the lock base for fixed three -piece mould of clamping groove, with the tamping hammer subassembly for tamping treatment to soil material in three -piece mould of hammer head and with the limiting component for the limiting of hammer head moving path of limiting disc and is used to three -piece mould's direction of moving away or close, limiting disc is along the moving direction of hammer head and adjusts position and restricts the moving end position of hammer head in stages, tamping hammer subassembly still includes the guide rod for connecting hammer head of wearing in limiting disc and the limiting baffle ring of setting at the side of guide rod away from hammer head, limiting baffle ring and limiting disc abut and are used for the downstroke of rigid locking hammer head. The utility model has the effect that improves the precision of actual compaction thickness in compaction process.

The application provides a device and a method for reducing the water content of excavated soil, which comprises a feeding port, a soil cutting section, a drying section and a discharging port. The feeding port is located above the soil cutting section, and the drying section is horizontally arranged with its inlet end below the soil cutting section. After the high-water-content soil is excavated, it enters the feeding port, falls to the starting end of the conveyor belt of the drying section after being cut into small pieces in the soil cutting section under the action of gravity, and is transported out of the discharging port after being dried by the drying device along the conveying belt, thereby achieving rapid reduction of the water content. The application can be used in cooperation with soil excavation machinery such as excavators to achieve the purpose of continuous operation of excavation-crushing-drying, rapidly reduce the high-water-content soil to meet the requirements of the water content of the engineering material source, and effectively reduce the cost, time cost and secondary loading and unloading cost of the soil material paving and airing site.

The invention relates to the technical field of material conveying, in particular to nutrient soil material suspension type belt conveying equipment. Comprising a fixing plate, the top of the fixing plate is provided with a control module connected with a remote control terminal through the Internet of Things, the top of the fixing plate is rotationally connected with a swing frame through fixing bases, shaft rods are rotationally connected to the swing frame at equal intervals, and the end of the shaft rod on one side penetrates through the adjacent fixing bases. A gear motor drives a shaft rod to enable a conveying flat roller and a conveying inclined roller to rotate, a conveying belt conveys nutrient soil, an electric cleaning roller rotates to clean materials attached to the surface of the conveying belt, and the materials carried on the electric cleaning roller can be cleaned through a carding frame; and the cleaned materials slide down along the inclined surface of the carding frame, so that the problem that the adhesion weight is gradually increased, the load of the speed reducing motor is reduced and the service life is prolonged because the materials adhered to the conveying belt are not cleaned can be avoided.

The invention discloses a structure and a construction method of a solidified soil bending-resistant road, a solidified soil road comprises a road cushion layer, a roadbed layer and a pavement layer from bottom to top, a grid structure is arranged between the roadbed layer and the pavement layer, the grid structure is connected with the roadbed layer through a fixing piece, the road cushion layer is composed of natural soil materials, the roadbed layer is composed of dry-mixed solidified soil, and the roadbed layer is composed of dry-mixed solidified soil. And the pavement layer is formed by pouring fluid solidified soil mixed with fiber substances. According to the structure and the construction method of the stabilized soil bending-resistant road, the grid structure is arranged between the roadbed layer mainly comprising the dry-mixed stabilized soil and the pavement layer mainly comprising the flow-state stabilized soil, and the fiber substances are doped in the flow-state stabilized soil, so that the bending resistance and the crack resistance of the stabilized soil road are improved.

The utility model relates to the technical field of stadium construction, and discloses a filling device based on stadium construction, which comprises a filling mechanism, a vibrating mechanism, a crushing mechanism, a conveying mechanism and a conveying mechanism, the vibrating mechanism comprises a discharging hole, an eccentric wheel, a boss, at least two connecting pieces, at least two elastic pieces and a material conveying hopper, the discharging hole is formed in the crushing mechanism, the discharging hole is formed in the inner wall of the bottom of the crushing mechanism and corresponds to the feeding side of the boss, and the eccentric wheel is arranged on the side face of the crushing mechanism. According to the soil material screening device, the effect of rapidly screening smashed soil materials is achieved through the structure, and the problem that in the prior art, due to the fact that the laid soil materials are caked before being processed, the ground is uneven when the soil materials are conveyed to the ground through a scraper knife is solved.

The utility model relates to the technical field of civil engineering, and discloses a light high-strength flexible static load back pressure structure which comprises a bearing table arranged at the top of a tested pile. A plurality of groups of geotechnical bag main bodies are sequentially stacked on the top of the bearing table; the geotextile bag body is made of flexible materials and is designed to be used for collecting and packaging sand, stone and soil materials on a construction site to form a balance weight, and the geotextile bag body comprises a bag body of an open structure and sealing faces integrally arranged on the four edges of the opening of the bag body. According to the light high-strength flexible static load back pressure structure, local materials can be used through a test area, and field materials can be fully utilized as a device of a counter-force system, so that the cost is saved; and particularly, the advantages on medium and small tonnage static loads in remote areas are obvious, the competitiveness is enhanced, the cost is reduced, the efficiency is improved, and the using effect of the structure is improved.

The invention discloses a geotechnical material constitutive model construction method and system, electronic equipment and a storage medium, and relates to the technical field of geotechnical engineering. The method comprises the following steps: constructing a full strain parameter quantization association network; calculating to obtain a constitutive model parameter initial set capable of achieving complete full-strain mechanical characteristics; and based on the constitutive model parameter initial set, calculating a displacement predicted value and comparing the displacement predicted value with a displacement measured value, when the deviation exceeds a predetermined threshold, starting a traceability adaptive algorithm, and finally determining a constitutive model parameter set of the target geotechnical material. According to the method, the defect that existing constitutive model parameters lack physical and mathematical correlation in a full strain range is effectively overcome, meanwhile, the defect of static curing of the model is overcome by dynamically adjusting constitutive model parameter values, and better engineering prediction precision is achieved with low cost.

The invention discloses a soil mechanics theory-based erosion gully microscopic scale model construction method, which comprises the following steps of: firstly, carrying out field exploration on a target erosion gully to obtain geometric and soil mechanics parameters and meteorological data, and determining a scale proportion according to a similarity theory; preparing a similar soil material from quartz sand, clay and the like, and preparing a model substrate from a fiber reinforced composite material; laying materials layer by layer, implanting fibers, setting a vegetation layer simulation environment, setting boundary conditions and a loading and monitoring system; applying a simulated load, comparing model output with a prototype or theoretical result, determining key parameters by sensitivity analysis, and adjusting and optimizing the model. The model constructed by the method is highly similar to the mechanical behavior and erosion process of an actual erosion gully, soil characteristics can be accurately simulated, data are acquired through reliable monitoring, the accuracy is ensured through scientific calibration and optimization, an effective means is provided for erosion gully research, the research cost is reduced, and high universality is achieved.

The application discloses a kind of non-saturated solidified soil fatigue cracking damage prediction methods based on energy-mechanics method.The application introduces the effective stress formula proposed by Lytton and gives the solution method of relevant parameters in combination with energy-mechanics method, obtains the damage density evolution trend of non-saturated solidified soil material, finally based on the theory of fracture mechanics and continuous damage mechanics, on the basis of Paris equation, introduce damage density function, and based on dissipation strain energy DSE, the expression form of J integral is obtained, so as to establish the damage evolution prediction model capable of characterizing the multi-crack cracking process.The application solves the problem that the previous solidified soil fatigue cracking model cannot effectively reflect the influence of unsaturated characteristics on soil material cracking, and the model is based on the basis of mechanics theory, can better predict the multi-crack fatigue cracking damage evolution process from the mechanism level of non-saturated solidified soil material fatigue cracking, and provides basis and guidance for the design of solidified soil material and solidified soil road structure.

The invention relates to the technical field of earthen archaeological site ramming and supplementing, in particular to an earthen archaeological site layered ramming and supplementing method and system for resisting moisture and freeze thawing, and the method comprises the steps: constructing an earthen archaeological site digital model, obtaining a ramming and supplementing material group according to a homologous soil material and a preset moisture and freeze thawing resistant material group, and preparing an optimal fusion soil material based on a material ratio constraint condition, and identifying a to-be-tamped area group in the to-be-tamped earthen site based on the earthen site digital model, carrying out chemical solidification on the to-be-tamped area group by using a chemical reinforcement solution to obtain a target tamped area group, and carrying out multilayer tamping on the target tamped area group by using the optimal fusion soil material, the dynamic deformation modulus tester and the rammer to obtain a tamped area group. According to the method, the durability of the rammed complement and the compatibility of the original ruins can be improved, and the repeated repair risk caused by material degradation or interface failure is reduced.

The utility model discloses a soil material laying fungus bed for mushroom planting, and particularly relates to the technical field of mushroom planting, the soil material laying fungus bed comprises a material laying bed, the outer surface of the material laying bed is fixedly connected with a driving mechanism, the left side and the right side of the upper portion of the driving mechanism are jointly connected with a feeding mechanism in a sliding mode, and the lower portion of the feeding mechanism is fixedly connected with a slicking mechanism. The right portion of the upper end of the feeding mechanism is fixedly connected with a spraying assembly. According to the soil material laying mushroom bed for mushroom planting, soil materials can be automatically laid on the mushroom bed in a continuous and stable operation mode through the arranged driving mechanism and the arranged feeding mechanism, a more favorable growth cycle is gained for mushroom planting, and the soil materials can be laid on the mushroom bed according to different mushroom types through the arranged slicking mechanism. The soil material in the falling or conveying process is leveled, the special requirements of different mushroom varieties for the thickness of the soil material in each growth stage can be easily met, and a powerful guarantee is provided for diversified mushroom planting.

The invention relates to the technical field of soil material treatment, in particular to a graded spraying type soil material conveying and water adding device and method, and the device comprises a belt conveyor, a material surface recognition and measurement module, a first-stage depth spraying device, a mechanical turning device, a second-stage micro-mist spraying device and a water content feedforward prediction control system; according to the invention, the real-time, uniform and accurate control of the moisture content of the soil material is realized by constructing core systems such as the material level identification module, the moisture content feedforward prediction model, the graded spraying unit, the turning disturbance module, the closed spraying cabin and the automatic blowback anti-blocking structure; the problems that in the prior art, the control mode is single, water content regulation and control are not accurate and uneven, system response is lagged, water permeation is insufficient, and a spray head is prone to being blocked are fundamentally solved, and therefore the rolling forming quality and the dam body permeation stability are improved.

The invention relates to the technical field of geotechnical engineering, in particular to a rapid sample preparation device and method for a geotechnical ring shear sample. The sample preparation device comprises a sample preparation mold and a sample pressing assembly; the sample preparation mold comprises a sample preparation shell, a sample pushing ring, a limiting column and a central column, the sample pushing ring is installed in the sample preparation shell, the limiting column and the central column are sequentially installed in the sample pushing ring, and a sample preparation cavity is defined by the sample pushing ring, the central column and the sample preparation shell; the sample pressing assembly comprises a pressure frame, an operation table and a limiting component, the sample preparation shell is installed on the operation table and can move upwards under the jacking action of the sample preparation table, the limiting component is installed on the pressure frame, and the bottom of the limiting component can abut against the top of the center column. The device realizes one-time filling of the soil material, ensures uniform and accurate density and moisture content of the prepared sample, is simple in structure and convenient to operate, and lays a foundation for development of a subsequent ring shear test and determination of mechanical properties of the soil sample.

The invention discloses a geotechnical material cutting and crushing simulation method and device considering coordination number and particle shape. The method comprises the following steps: acquiring particle space data, carrying out geometric simplification, and constructing an irregular particle shape library containing point-surface information; generating a DEM sample for numerical simulation based on the irregular particle shape library; determining a crushing triggering threshold value; determining octahedral shear stress q of the particles, and triggering particle crushing when q is greater than a crushing triggering threshold value; the particle cutting times are distributed with the coordination number as a dominant variable; a main fracture surface is determined, and crushing operation is executed; the orientation of the main fracture surface is consistent with the maximum main stress direction, and the main fracture surface passes through the maximum contact force point; and determining a secondary fracture surface, and executing secondary or multiple crushing operations according to the number of times of cutting until simulation is completed. According to the method, the calculation overhead is remarkably reduced while the irregular geometry and the controllable crushing degree are kept, and the influence of the shape effect and the scale effect on the strength and particle size distribution evolution can be reflected.

The invention relates to the technical field of building foundation construction, in particular to a preparation method of a cement-soil composite pile body based on ectopic stirring, which comprises the following steps: S1, mixing cement, water, a water reducing agent and a retarder to prepare slurry; and S2, positioning and punching are conducted on the construction site. And S3, underground soil is drilled through a drilling machine, and the underground soil is fished to the ground. And S4, stirring and mixing the slurry and underground soil on the ground to obtain a mixed solution. And S5, the mixed liquid is conveyed back into the piling hole. And S6, the precast pile is inserted into the pasty mixed liquid in the piling hole to form a composite pile body. Cement slurry is prepared into slurry with a gelling agent function, and a process method of a cement mixing pile is completely changed, namely underground soil is firstly taken out to the ground and then is mixed and stirred with the slurry from the ground to complete ectopic stirring, so that close combination of a cement soil material and a precast pile on a microstructure level is realized, and the construction efficiency is improved. And the integrity, the bearing capacity and the durability of the composite pile are obviously improved.

The invention belongs to the field of direct shear apparatuses, and relates to a device and a method for testing the anti-shearing characteristic of a large-particle-size rock-soil material, which can adapt to a test of internal friction force of large-particle-size rock-soil and can most approximately simulate the actual condition of actual large-particle-size rock-soil accumulation. According to the technical scheme, the device comprises a support, a vertical pressurizing module, a horizontal pressurizing module and a shear box. The vertical pressurizing module is fixed to the support and provided with a first loading piece in the vertical direction. The horizontal pressurizing module is fixed to the support and provided with a second loading piece in the horizontal direction. The shear box is respectively connected with the first loading piece and the second loading piece.

The invention relates to the technical field of road drainage engineering, in particular to a method for connecting a roadside ditch with a gravel blind ditch at the bottom of a roadbed, which comprises the following specific steps: constructing a road structure layer, constructing a blind ditch system, constructing a drainage ditch system and constructing a connecting node. Performing early-stage investigation design, investigating geology, underground water level, rainfall capacity and drainage requirements of a construction area, and determining structural parameters; the road pavement structure comprises an asphalt concrete surface layer, a cement stabilized macadam base layer and a graded macadam subbase layer; a roadbed; the transverse gravel blind ditches are arranged at the bottom of the roadbed and incline towards the longitudinal gravel blind ditches at the gradient of 0.2%; the width of the connection channel is 0.8-1.2 m, the height of the connection channel is 0.6-1.0 m, the connection is tight, and the anti-seepage performance is excellent: through multiple anti-seepage measures such as arrangement of the water-swelling water stop strip, brushing of the cement-based permeable crystallization type waterproof coating and backfilling of the waterproof soil material, the leakage problem of the connection part is effectively solved, and the roadbed damage caused by the fact that rainwater permeates into the roadbed is avoided; and the stability of the road is improved.

The utility model relates to the field of fruit tree planting, in particular to a soil culture device for fruit planting, which comprises a crushing device and a feeding device arranged on one side of the crushing device, and the feeding end of the feeding device is communicated with a feeding shell; the feeding assembly is communicated with the upper part of the feeding shell; the feeding assembly is mainly composed of a discharging piece and a driving piece. Through the arrangement of the feeding assembly, large and small particles in soil materials can be screened when workers discharge the soil materials, meanwhile, large-particle soil blocks can be smashed in time, manpower and time consumed by traditional workers for smashing filtered convex blocks again can be effectively saved, the machining procedures of the workers are reduced, and the machining efficiency is improved. The culture efficiency of the culture soil is improved; and the discharging shell is arranged, and the middle of the discharging shell is spirally arranged, so that soil materials can spirally fall when personnel discharge the soil materials, the phenomenon of soil material blockage is reduced, and the manufacturing efficiency of the culture soil is improved.

The invention discloses a method and a device for testing engineering drilling hole sealing interface permeability, and relates to the technical field of geotechnical engineering exploration, and the method comprises the following steps: drilling a drill hole which does not penetrate through a to-be-tested soil body in the to-be-tested soil body, filling the drill hole with a to-be-tested grouting material, applying water pressure through a water pipe which is arranged in the to-be-tested grouting body and is inserted into the soil body, the periphery of the to-be-tested grouting body is subjected to seepage from bottom to top; according to the pore water pressure at the interface of the side surface of the to-be-detected grouting body and the to-be-detected soil body and the pore water pressure in the to-be-detected soil body, calculating the seepage pressure difference, and judging the interface permeability; the grouting material to be tested and the soil material to be tested are arranged to simulate the interface structure of the hole sealing material and the soil body in the actual drill hole, the interface permeability is judged according to the seepage pressure difference, an evaluation basis is provided for research and development of the hole sealing grouting material for engineering drilling, and the adopted device is simple in structure, clear in method principle, low in testing cost and easy and convenient to operate.

The utility model discloses a soil feeding machine, which belongs to the technical field of seedling raising equipment and comprises a soil bucket, at least two soil discharging ports and a soil feeding device. The soil conveying device is provided with an input end and an output end, the input end is used for receiving the soil discharged from the soil discharging opening, and the soil conveying device conveys the soil to a designated position through the output end; at least two mounting positions, wherein each mounting position is arranged corresponding to each soil discharge port; and the soil conveying device can move between the mounting positions. According to the utility model, at least two mounting positions are arranged, the mounting positions are arranged corresponding to the positions of the soil placing ports, the soil conveying device moves between the mounting positions, the soil conveying device can be moved to the opened sides of the soil placing ports to receive soil materials falling from the soil placing ports, and the mounting positions of the soil conveying device can be adjusted according to local conditions and are not easily blocked by environmental factors.

The invention discloses an alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material and a preparation method thereof. The alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material mainly comprises a soil material and an alkali activator, wherein the soil body material comprises in-situ soil, slag, fly ash and bentonite; the alkali activator comprises sodium silicate and sodium hydroxide. The alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material can be obtained by mixing the soil materials according to a certain proportion, then adding the alkali activator, continuing to stir and mix, and maintaining the soil materials to obtain the alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material. Through impermeability and compressive property tests and barrier property experiments, the permeability coefficient and compressive strength of the alkali-activated slag and fly ash gel-bentonite-soil vertical barrier wall material prepared by the preparation method disclosed by the invention can meet related requirements of Technical Specification for Vertical Barrier of Industrial Polluted Site (HG / T 20715-2020); and a very good barrier effect can be achieved on inorganic heavy metals, organic pollutants and inorganic-organic composite pollutants.