119 results about "Soil resources" patented technology

The present invention relates to the technical field of land engineering, and relates to a water and soil resource comprehensive improvement method for loess hilly and gully region channels. The method comprises: (1) soil layer general survey: performing soil layer thickness survey and soil nutrition content measurement; (2) soil body reconstruction: on the basis of soil layer general survey data, selecting a soil body construction mode, and performing soil body profile reconstruction, soil body nutrition reconstruction and field parcel arrangement; and (3) constructing a water resource regulation and control system for the loess hilly and gully region channels. According to the present invention, investigation and survey are performed firstly, then treatment is performed, water and soil are treated simultaneously, and steps are coordinated, so that ecological treatment of the loess hilly and gully region channels is finally completed, and comprehensive improvement of water and soil resources is achieved. The present invention ensures mechanical cultivation of the region after the improvement, effectively increases the area of the irrigable land and the area of the non-irrigated land, effectively improves the farmland quality and the grain yield, and effectively reduces the soil erosion amount of the channels.

The invention discloses a soil organic matter prediction mapping method, device and equipment based on deep learning and a medium, and relates to the field of digital soil mapping, and the method comprises the steps: obtaining a remote sensing image of target region soil, and setting a preset number of soil sampling points; comprehensively acquiring environmental data indexes such as terrain factors, vegetation factors, climate factors and land utilization factors; constructing three-dimensional environment tensor data in a preset range of each sampling point, and inputting the three-dimensional environment tensor data into the soil organic matter content prediction model to obtain an organic matter content prediction value set of the soil sampling points in the target area; and generating a spatial distribution prediction map of the soil organic matter content of the target area by combining the prediction value set and the spatial coordinates of the soil sampling points, thereby improving the accuracy of soil organic matter prediction and the mapping efficiency, and providing technical support for soil resource management and agricultural sustainable development.

The invention discloses a shield muck modified slurry grouting reinforcement effect evaluation method based on multi-data fusion, and belongs to the field of shield construction grouting. The method comprises the steps that during field monitoring, a monitoring section is selected according to tunnel geology and structure characteristics, and a sensor is installed; acquiring data of soil pressure, displacement and pore water pressure, calculating corresponding change rate and gradient, and analyzing change trend. According to the numerical simulation, a three-dimensional model is established based on geological exploration and the like to determine parameters, shield propulsion and grouting reinforcement are simulated, and stratum deformation, soil stress and slurry diffusion and permeation data are obtained. And in the data fusion link, the two types of data are subjected to standardization processing, grouting reinforcement effect grades are divided to determine a prior probability, a probability distribution model is established for monitoring indexes, and a posterior probability is calculated through a Bayesian formula to determine an evaluation result. According to the method, various data are integrated, the reinforcement effect can be comprehensively and accurately evaluated, a scientific decision basis is provided for shield tunnel construction, the construction quality and safety are improved, and waste soil resource utilization is optimized.

The invention discloses a calculation method of an agricultural water and soil resource optimal allocation scheme based on'water-carbon-grain-economy-ecology 'coupling, and relates to a calculation method of a regional agricultural water and soil resource optimal allocation scheme. The method aims at solving the problem that in an existing agricultural water and soil resource allocation method, water resources, economic benefits, carbon resources and ecological benefits are difficult to balance and coordinate. The method comprises the following steps: 1, analyzing supply and demand of agricultural water and soil resources; 2, constructing a regional agricultural water and soil resource multi-objective optimization configuration model by taking different land utilization types as decision variables, taking water resources, economic benefits, carbon resources and ecological benefits as optimization objectives and taking available water amount and total planting area as main constraint conditions; and 3, solving by adopting an optimization algorithm to obtain an agricultural water and soil resource optimization configuration scheme. According to the method, water resources, economic benefits, carbon sequestration benefits and ecological benefits are incorporated into the same optimization framework, target optimization is efficiently and accurately carried out, and the method can be applied to the field of agriculture.

The invention relates to lithium slag-based artificial soil based on different soil layer functions and a preparation method of the lithium slag-based artificial soil. The lithium slag-based artificial soil comprises a surface soil layer, a leaching layer, a deposition layer and a parent material layer according to soil profile layers. Compared with an existing technology for preparing artificial soil from solid waste materials such as lithium slag, red mud and coal gangue, the preparation process is simple, the cost is low, and the prepared soil is free of secondary pollution risk and is environmentally friendly; the preparation of the artificial soil of soil layers with different ecological functions in a soil profile configuration can be realized, so that the artificial soil meets the requirements of mine land reclamation and mine ecological restoration on the artificial soil with a stable soil body structure, the green restoration concept that lithium slag comes from a mine and then returns to the mine is embodied, and precious natural soil resources are not consumed; and a plurality of solid waste materials which are difficult to dispose can be recycled, the recovery and treatment cost of the mine ecological environment after mining is reduced, the pollution caused by solid waste stockpiling is reduced, and the ecological environment of a mining area and the surrounding of the mining area is improved.

The invention discloses a water resource optimization scheduling method based on water and soil resource space coupling, and the method comprises the steps: dividing an agricultural land of a target region into grid units, collecting the basic data of each grid unit, calculating a water and soil resource space coupling evaluation index value based on the grid units and the basic data, and carrying out the water and soil resource space coupling evaluation index value. The water and soil resource coupling degree of each grid unit is calculated, and a hot spot area and a cold spot area of water and soil resource space coupling are identified by adopting a spatial autocorrelation analysis method; on the basis of hot spot region and cold spot region division distribution, determining a water resource optimization scheduling region and a regulation and control method by combining a water land resource space coupling evaluation index value; fine management and efficient utilization of water and soil resources are achieved, and the method has important significance in improving the utilization efficiency of agricultural water resources and promoting agricultural sustainable development.

The invention provides a planting and breeding circulation system-oriented soil health assessment method, and relates to the technical field of soil health, and the method comprises the steps: collecting breeding data and planting data in a target planting and breeding circulation region, dividing a planting and breeding circulation mode, and analyzing the influence degree on soil to obtain circulation soil data. Waste supply energy is determined according to the breeding data, and the soil resource utilization efficiency is obtained by analyzing management measures of the planting data. The influence of waste supply energy on soil is analyzed to obtain waste influence data, and a soil health assessment system is constructed in combination with soil resource utilization efficiency, soil physical indexes and ecological function indexes. And calculating a soil health index based on the soil health assessment system and the circulating soil data, and classifying health grades of the soil. According to the method, the accuracy, scientificity and practicability of soil health assessment are improved, and powerful support is provided for optimal management of a planting and breeding circulation system, precise regulation and control of soil quality and agricultural sustainable development.

The invention discloses a method for improving, regulating and controlling functions of a farmland ecological barrier in a plain area, relates to a related algorithm based on a multi-dimensional coupling model, and aims to solve the technical problems of system element splitting, single ecological function, poor space adaptability and the like in the conventional farmland ecological barrier construction. Different land utilization type areas are taken as decision variables, and underground water footprint reduction, farmland carbon reserve increase, economic benefit improvement, crop water resource utilization efficiency improvement and pollutant emission reduction are taken as objective functions; the method comprises the following steps of: constructing a water volume, water quality, economy, efficiency, carbon, grain and ecology multi-dimensional coupled optimal configuration model by taking available water volume and land utilization type occupied area as constraint conditions, carrying out gridding land utilization distribution through a space optimization algorithm, and applying an optimal configuration scheme to a space to finish multi-dimensional element coupled water and soil resource optimal configuration. The method can be used in agricultural planning field.

The invention relates to the technical field of irrigation area water and soil resource management, and discloses an irrigation plot multi-element information coding method comprising the following steps: S1, plot coding architecture design; s2, constructing a parcel code segmentation parameter database; s3, collecting and storing multi-element information; and S4, determining the land parcel code. According to the method, the multi-element information of the irrigation district canal system and the plot is visually and conveniently expressed by adopting the limited character length according to the established rule, the water consumption information and the plot multivariate attribute information on each plot are fully combined, and a unique identification code is compiled for each plot for identity recognition of the plot; water and soil resource management efficiency and scientific management level of the irrigation area are improved, and digital twinborn construction and modernization development of the irrigation area are assisted.

The invention relates to the technical field of environment monitoring, in particular to an inland river basin water and soil element intelligent monitoring and coupling effect analysis system which comprises a data acquisition module, a data processing module, a coupling analysis model building module, a coupling effect analysis module, a decision support module and a visual display module. The data acquisition module acquires water and soil element data in real time, the data processing module preprocesses the acquired data, the coupling analysis model building module predicts the future trend of water and soil elements, and the coupling effect analysis module analyzes the coupling effect between the water and soil elements in combination with a geographic information system and a hydrological model. The decision support module provides water resource configuration, agricultural irrigation and environmental protection optimization suggestions by using a multiple regression analysis and decision tree algorithm, and the visual display module visualizes various data and analysis results; scientific basis is provided for water and soil resource management of the inland river basin, the resource utilization efficiency is improved, and ecological environment protection is promoted.

The invention relates to the technical field of construction waste soil utilization, in particular to a subway tunnel shield and bridge construction waste soil treatment and utilization system which comprises a feeding and screening module, a flocculation module, a sand washing module, a filter pressing module, a recycling module and a conveying module which are connected with one another to form a recycling system. The feeding and screening module is used for feeding waste soil and screening dust, gravel and large-particle waste soil in the waste soil. The sand washing module is used for carrying out friction cleaning on the screened sand and gravel to clean dirt; the flocculation module is used for carrying out flocculation and sedimentation on the slurry overflowing from the sand washing module to prepare for filter pressing. The waste soil is divided into three parts to be treated, the treated waste soil can be applied to the field of building construction, the field of landscaping, the field of water conservancy projects and the field of agriculture, the overall resource utilization rate of building waste is greatly increased, the waste soil is secondarily recycled, and waste of waste soil resources is avoided.

The utility model relates to the technical field of contaminated soil recycling, in particular to a contaminated soil sediment recycling mixing device which comprises a stirring frame, and a discharging port is formed in the bottom of the stirring frame. The discharging assembly is arranged on the inner bottom side of the stirring frame; the discharging assembly is communicated with the discharging opening; the at least two groups of extrusion assemblies are symmetrically arranged on two sides of the discharge hole; the extrusion assemblies are provided with push blocks, and the push blocks of the two extrusion assemblies move in the opposite directions or in the opposite directions. According to the bottom mud mixing device, the extrusion assembly is arranged, an electric piston drives a connecting plate to move, the connecting plate moves to drive a connecting rod, the connecting rod pushes a pushing block to slide in a stirring frame, and the pushing block slides to drive a triangular plate to move, so that bottom mud on the bottom layer in the stirring frame is pushed into the middle, mixing is more uniform, and the bottom mud on the bottom layer is pushed to the middle by the pushing block; the stirring effect of the bottom mud can be effectively improved, so that bottom-layer materials can fully participate in the mixing process.

The invention relates to the technical field of cement soil compaction pile hole forming construction, and discloses a cement soil compaction pile hole forming construction device which comprises a positioning mold and a carrying frame, the carrying frame is located above the positioning mold, a cleaning device is arranged on the surface of the positioning mold, and the cleaning device comprises a positioning cylinder and a gathering cover. According to the drilling device, soil overflowing from drilling is limited in a fixed area through the guide cover and the gathering cover, the soil is prevented from splashing all around to pollute a construction site, the follow-up manual cleaning workload is reduced, meanwhile, the soil is rapidly guided into the guide frame through the design of centrifugal force and the dip angle of the stirring blades, the continuous operation mode of drilling and cleaning at the same time is achieved, and the construction efficiency is improved; and meanwhile, the cleaned soil is collected, subsequent reutilization of soil resources is facilitated, a motor is guided to drive a conveying belt to discharge the soil from the tail end of a guide frame, the soil is accumulated outside a construction area, safe construction is ensured, and meanwhile subsequent cleaning operation is facilitated.

The invention belongs to the field of solid waste resource utilization, and discloses an artificial soil body prepared based on waste slag stone of a stone processing plant and a preparation method of the artificial soil body. The artificial soil body comprises a parent material layer, a leaching layer and a surface soil layer, and the preparation method of the artificial soil body comprises the following steps: (1) material treatment: mechanically crushing waste slag stones into multi-stage particle sizes, and mixing the crushed waste slag stones with mellow soil according to a specific mass ratio; (2) function synergistic enhancement: adding a water-retaining agent, an organic compound fertilizer and a compound microbial agent into different soil layer materials; and (3) structure construction: filling a mixed material according to layered design, and completing soil activation through spraying infiltration and microbial liquid spraying. According to the invention, through the synergistic effect of the particle size grading ratio of the slag stones, the mellow soil and the functional additive, the profile structure of natural soil is simulated, and the porosity, the water binding capacity and the microbial activity are optimized, so that the problems of low resource utilization efficiency of the waste slag stones, environmental problems caused by traditional landfill and scarcity of soil resources in engineering greening are solved.

The invention discloses an erosion gully treatment method, and relates to the technical field of agricultural production. According to the method, differentiated treatment measures are implemented according to the size difference of the gullies. A slope fixing and impact reducing technical mode is adopted for a large erosion gully with the width exceeding 2 m; and for the small erosion gully with the width smaller than 2m, a straw / rock ballast landfill and second ploughing technical mode is adopted. By means of the comprehensive treatment method, farmland water and soil loss can be effectively prevented, the utilization efficiency of farmland water and soil resources is improved, and remarkable positive influences are achieved on comprehensive treatment of black land and improvement of the national grain production capacity.

The invention discloses a dredged soil resource utilization method and a solid waste building material product, and relates to the field of solid waste treatment. The overall water content of the material is reduced through cooperative treatment of solid waste, the property of the dredged soil is improved by using the curing agent, the activity of the dredged soil is optimized, and the treated dredged soil is applied to building material production, so that comprehensive utilization of the dredged soil is realized, and the obtained building material product has the advantages of high strength, high consumption and economic benefit and has a wide application prospect. And harmless resource utilization of the dredged soil can be realized.

The invention discloses a modeling method for the incidence relation between a deformation field and the erosion amount of a black soil erosion gully. According to the method, firstly, monitoring points are selected in black soil erosion gully areas with different landforms, high-precision equipment is used for collecting landform and hydrological data, and soil sample properties are analyzed; analyzing the deformation field, generating a digital elevation model, and determining the characteristics of the deformation field in combination with image interpretation; the erosion amount is calculated by adopting an improved erosion model, the deformation field and erosion amount data are integrated, and an incidence relation model is established by applying multiple methods. The model is verified through multi-source data fusion, and after improvement and perfection according to the result, the method is applied to black soil erosion gully dynamic monitoring, risk assessment and treatment planning. The method is comprehensive in data acquisition and deep in analysis, the model is accurate and effective, a scientific basis can be provided for black soil resource protection and sustainable utilization, and the problem of black soil erosion can be solved.

The utility model relates to the technical field of water and soil resource utilization, and discloses a water and soil conservation structure for a water conservancy project, which comprises a base. According to the water and soil conservation structure for the water conservancy project, through the arrangement of the spraying assembly and the solar assembly, during use, the solar panel absorbs solar energy, the bidirectional inverter converts the solar energy into electric energy, and the storage battery is used for storing the electric energy, so that an independent energy source can be provided for the water and soil conservation structure without depending on a traditional power supply network; the device is particularly important for remote areas or places with unstable power supply, continuous operation and monitoring of water and soil conservation facilities are ensured, meanwhile, a water pump is started, water in a water storage tank is pumped into a three-way pipe through a water outlet pipe by the water pump, water in the three-way pipe is sprayed into a vegetation layer by a spray head, and directional water spraying can be achieved; it is guaranteed that water resources accurately reach a target area when needed, the water resources can be directly used for irrigating vegetation, and it is guaranteed that the water amount and moisture needed by growth of the vegetation are evenly distributed.

The invention relates to the technical field of soil utilization, and discloses a soil stripping and recycling system and method, soil quality analysis is carried out before soil stripping, so that soil stripping and recycling are carried out, and the system comprises a stripping determination module, a storage determination module and an earthwork balance module. The method corresponds to the system. According to the method, dynamic parameters such as terrain gradient and transportation loss are acquired in real time, and the effective stripped earth volume is accurately calculated in combination with a soil quality analysis result; the storage area determination module monitors the slope stability in real time through a tilt angle sensor, dynamically adjusts stacking parameters, and maximizes the utilization of the storage space while guaranteeing the safety; the earthwork balance module realizes collaborative optimization of static planning and dynamic response based on dynamic stripping and storage data, and intelligently deploys earthwork resources; therefore, a safe and efficient soil recycling technical scheme based on data is formed, and a new solution is provided for land resource protection and ecological restoration.

The application relates to the technical field of hydraulic engineering, and discloses a loess hilly area reservoir building method, which aims at the problems of dam site scarcity, low efficiency of water and soil resource development, dispersion of existing water storage projects, prominent contradiction between ecology and culture protection and the like in loess hilly areas, takes global planning and systematic management as cores, realizes organic unification of intensive water resource utilization, comprehensive benefit expansion and ecological protection through a five-step method of scheme optimization comparison, building of large reservoirs and merging of small reservoirs, function zoning, series connection of new and old projects and overall planning of ecology and culture. The method solves the pain points of high building cost, many immigrants and low benefit of reservoirs in loess hilly areas through innovative means such as multi-scheme optimization comparison, function zoning of one reservoir with two systems, reservoir excavation and reconstruction technology, land lifting and regulation and historical culture protection, and can be widely applied to reservoir engineering construction in loess hilly areas.

The invention relates to the technical field of waste utilization, and particularly discloses a novel composite material and a shortcut construction device.The novel composite material comprises soil particles and gravel particles; the volume ratio of a single soil particle to a single gravel particle is (2-3): 1; the mass ratio of the soil particles to the gravel particles is (1-1.5): 1. According to the novel composite material and the shortcut construction device, waste soil resources can be used for building a temporary shortcut in a large engineering project, utilization of waste soil is effectively improved, use of concrete is reduced, the engineering cost is reduced, and the construction efficiency is improved.

The invention relates to the technical field of soil collection equipment, and discloses soil collection equipment based on land improvement and protection utilization, the soil collection equipment comprises a supporting transverse plate, a sampling mechanism arranged in the supporting transverse plate, and a balance adjusting assembly arranged outside the supporting transverse plate, and the balance adjusting assembly is used for adjusting the angle of the supporting transverse plate. The sampling mechanism is used for sampling soil perpendicular to the horizontal line, through the arranged sampling mechanism, during collection, a drilling cylinder assembly is installed in a supporting transverse plate, a hand wheel assembly is used for controlling the drilling cylinder assembly to drill into the soil firstly, then all components of a coring cylinder in the initial state are placed in the drilling cylinder assembly, and the coring cylinder is driven by the hand wheel assembly to drill into the soil; the hand wheel assembly is used for controlling the rotating assembly to rotate in the fixing assembly and driving the deformation assembly to deform, the coring barrel capable of collecting center soil is combined, and therefore the effects of improving soil resource utilization and protecting effectiveness are achieved.

The invention discloses aquaculture pond bottom mud planting soil and a preparation method thereof. The aquaculture pond bottom mud planting soil is prepared from aquaculture pond bottom mud, coconut shreds, vermiculite and perlite. The method has the advantages of short preparation period, better performance than existing green planting soil and the like, and can reduce the stockpiling and disposal burden of bottom mud, reduce the culture non-point source pollution risk and save soil replacement resources.

The present invention provides a method for optimizing the allocation of water and soil resources in alpine and plateau regions. The method includes drawing a water and soil resource system network for alpine and plateau regions; dividing the smallest optimization allocation units in alpine and plateau regions; calculating the NPP, water conservation capacity, water consumption per 10,000 yuan of GDP, soil conservation amount, windbreak and sand fixation amount, and carbon sink capacity generated by evapotranspiration per unit area to obtain the basic information of the smallest optimization allocation units in alpine and plateau regions; respectively determining the objective function and constraint conditions for optimizing the allocation of water and soil resources in alpine and plateau regions; and using a multi-objective optimization algorithm to obtain the optimal water and soil resource optimization allocation result for alpine and plateau regions. Starting from the ecological environment characteristics of alpine and plateau regions, the present invention selects the objectives and constraint conditions for optimizing the allocation of water and soil resources applicable to alpine and plateau regions, constructs a water and soil resource optimization allocation model for alpine and plateau regions, and provides support for the optimization of water and soil resources and the construction of ecological environment in alpine and plateau regions.

The present application relates to solid waste resource utilization technical field, the present application discloses a kind of preparation method and application of artificial organic soil based on yellow phosphorus slag, comprising the following steps: 1) modified yellow phosphorus slag, 2) modified humus, 3) compounding, the modified yellow phosphorus slag is mixed with modified humus, appropriate amount of water is added while mixing, stationary, obtain mixed material, drying, by pulverizer grinding and mixer stirring, obtain artificial organic soil;The present application solves the problem of soil resource deficiency and yellow phosphorus slag resource utilization, not only can improve the capacity of soil resources, but also can break through the bottleneck of yellow phosphorus slag resource utilization.

The present disclosure discloses a dredged soil utilization-based artificial reef structure and a processing method thereof, and belongs to the technical field of artificial reefs. The dredged soil utilization-based artificial reef structure includes a dredged soil artificial reef structure, and the dredged soil artificial reef structure includes a first dredged soil reef, a second dredged soil reef, and a third dredged soil reef; annular sliding chutes are formed in eccentric positions of upper surfaces of the first dredged soil reef and the second dredged soil reef; annular metal meshes are movably connected into the two annular sliding chutes; and a heavy block, a first floating block, and a second floating block are respectively embedded into placement slots of the three reefs in sequence. The artificial reef structure is processed by using dredged soil. Dredged soil resources are from the ocean and then are returned to ocean restoration, which satisfies the concept of resource recycling. Furthermore, a surface of dredged soil has multiple grooves, which is convenient for attachment of corals to achieve the purpose of ecological restoration of coral reefs, so that habitats, breeding places, and foraging places are provided for aquatic organisms such as fish to escape from natural enemies, playing an important role in the stability of an ecological system.

The invention relates to the field of concrete. The problems that in the prior art, the shield waste soil resource utilization rate is low, and the pervious concrete pore structure is difficult to accurately control are solved. Surface modified shield waste soil coarse aggregate and degradable pore-forming agent particles are adopted as core components, the bonding performance of the aggregate is improved through gamma-aminopropyltriethoxysilane surface modification, a corn starch-based double-layer cross-linked structure pore-forming agent is designed to achieve staged degradation, the degradation rate constant in the early stage is 0.04-0.08 d <-1 >, the degradation rate constant in the later stage is 0.12-0.18 d <-1 >, and the pore-forming agent has the advantages that the pore-forming effect is good; the water-permeable concrete is prepared by matching components such as a cementing material and water. According to the material, the resource utilization rate of waste soil is remarkably improved, the bonding strength of aggregate and cement paste is improved by 30-60%, the stable degradation rate of the pore-forming agent is kept to be smaller than 5% 48 hours before concrete pouring, the shell degradation rate reaches 25-35% in the third-seventh day, the total degradation rate reaches 70-85% in the seventh-28th day, an accurate and controllable communicated pore network is formed, and the material is suitable for engineering application such as sponge city construction and road pavement.

The present invention relates to a high-temperature frozen soil foundation reinforcement method based on ice nucleation-active bacteria. Existing frozen soil foundation reinforcement measures have problems such as insufficient performance and pollution of frozen soil resources. The present invention prepares a culture medium; utilizes the culture medium to culture ice nucleation-active bacteria; obtains an ice nucleation-active bacteria solution; injects the ice nucleation-active bacteria solution into the high-temperature frozen soil in the high-temperature frozen soil foundation area that needs to be reinforced; the ice nucleation-active bacteria grow and multiply in the high-temperature frozen soil, and when their number reaches a certain concentration in the reinforcement area, the ice nucleation-active protein anchored in its cell outer membrane can increase the freezing point of unfrozen water in the high-temperature frozen soil, and the ice nucleation-active bacteria will promote the formation of ice crystals at the corresponding high-temperature frozen soil temperature, thereby reinforcing the high-temperature frozen soil foundation. The present invention utilizes ice nucleation-active bacteria to reinforce the high-temperature frozen soil foundation, which is green, environmentally friendly, sustainable, not restricted by seasonal changes, has little disturbance to the frozen soil, and can prevent the invasion of foreign organisms from causing local biological pollution.

The invention relates to the technical field of water conservancy construction, in particular to a water conservancy dike construction method which comprises the following steps: step 1, carrying out base surface cleaning and impurity removal on a to-be-constructed area; secondly, a working pit is excavated in the base plane through an excavating machine, dredged soil is obtained, and the dredged soil is stacked and stored; the dredged soil is soft spoil and river and lake dredged soft soil; thirdly, array-shaped grooves are dug in the bottom of the working pit according to needs; the surfaces of the array-shaped grooves are flat, the grooves are of a vertical trapezoid structure, and the trapezoid structure can improve the stress strength; fourthly, a reinforcement cage is formed in the groove through steel bar bundling, and concrete is prepared through a cement mixer; and fifthly, the reinforcement cage in the groove is filled and poured with prepared concrete through a pouring machine to form a frame structure. According to the method, the dredged soil generated by digging and the quicklime are crushed and mixed for backfilling, so that the dredged soil is prevented from being thrown outwards, the dredged soil is effectively recycled and reused, and waste of soil resources is reduced.

This application provides an artificial soil with conjugated properties and its preparation method, applicable to the field of artificial soil technology. The preparation method includes: crushing waste inorganic soil to obtain fine artificial soil matrix; mixing the fine matrix, water, and soil conditioner to obtain a soil mixture; wherein the soil conditioner includes bio-based polymer materials with surface modification functions, organic matter and mineral materials that increase soil fertility, and modifies the conjugated properties of soil such as hydrophilicity / hydrophobicity, aggregation / looseness, and water permeability / fertility retention; modifying and granulating the soil mixture in a drum to obtain artificial soil with a stable granular structure. The granular structure artificial soil prepared by this application can efficiently and quickly construct suitable soil-water-air-biological habitats for different needs, effectively solving the problems of rapid soil habitat construction and fertility maintenance, and has broad prospects in the fields of waste soil resource utilization, ecology, environment, and agriculture.