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434 results about "Soil loss" patented technology

Traditional Chinese medicine planting site selection evaluation method, system and equipment based on big data and medium

The invention discloses a traditional Chinese medicine planting site selection evaluation method, system and device based on big data and a medium, and relates to the technical field of data processing. The method comprises the following steps: acquiring a traditional Chinese medicine category of to-be-planted traditional Chinese medicine and soil data and meteorological data of a plurality of candidate planting areas; based on the plant growth parameters corresponding to the traditional Chinese medicine categories, establishing a planting area evaluation standard; performing evaluation processing on the soil data and the meteorological data of each candidate planting area according to a planting area evaluation standard to obtain an environmental adaptability index; receiving the multispectral image of each candidate planting area, determining the vegetation coverage and water and soil loss rate of each candidate planting area, and calculating an environmental risk index; and determining corresponding site selection priorities in combination with the environmental adaptability indexes and the environmental risk indexes, and taking the candidate planting area with the highest site selection priority as a target site selection area of the to-be-planted traditional Chinese medicine. By implementing the technical scheme provided by the invention, the accuracy of traditional Chinese medicine planting site selection evaluation can be improved.
Owner:CONITECH (BEIJING) MANAGEMENT SOFTWARE CO LTD

Desert sand base artificial earthwork lattice sand barrier and preparation and use method thereof

The invention discloses a desert sand-based artificial earthwork lattice sand barrier and a preparation and use method thereof, the artificial earthwork lattice sand barrier comprises the following components in percentage by mass: 93-97% of a coal-sand-ash mixture, 1-10% of an activating agent and 5-15% of externally doped water, and the artificial earthwork lattice sand barrier is prepared by compacting and molding, and the coal-sand-ash mixture accounts for 93-97%, the activating agent accounts for 1-10% and the externally doped water accounts for 5-15%. The desert sand base artificial earthwork grid is horizontally laid in the desert and a water and soil loss area, desert sand stabilization can be achieved, and surface layer floating sand and surface layer sandy soil loss in the water and soil loss area are prevented. Typical coal-fired solid wastes such as the coal ash and the coal slag are used as raw materials for preparing the desert sand-based artificial earthwork grid, collaborative resource utilization of the desert sand, the coal ash and the coal slag is achieved, resource utilization of a large amount of industrial solid wastes is combined with desertification prevention and control engineering, environmental pollution is reduced, and the desertification control cost is reduced.
Owner:CENT SOUTHERN CHINA ELECTRIC POWER DESIGN INST CHINA POWER ENG CONSULTING GROUP CORP

Dry-hot valley area land consolidation side slope ditch erosion plant protection structure and dry-hot valley area land consolidation side slope ditch erosion plant protection method

The invention belongs to the technical field of side slope protection, and relates to a dry-hot valley area land consolidation side slope ditch corrosion plant protection structure and a dry-hot valley area land consolidation side slope ditch corrosion plant protection method. The slope surface is trimmed into the layered reverse slope steps, the layered reverse slope steps comprise the woody plant planting reverse slope steps and the herbaceous plant planting reverse slope steps, the equal-height horizontal ditches are formed in the woody plant planting reverse slope steps, herbaceous plants and arbors are combined to form the hedgerow, the water and soil conservation capacity can be improved, the slope and cultivated land can be protected, slope surface runoff and soil loss are reduced, and the slope surface is protected. The growth of the eroded channel is controlled, the soil quality is improved, the vegetation growth is promoted, the vegetation coverage of the side slope can be recovered in a short time, the ecological system of the side slope can be recovered, and the diversification of an agricultural ecological system is promoted; an intelligent and automatic irrigation system is utilized, time and labor are saved, water resources can be reasonably utilized, efficient utilization of the water resources and land is achieved, waste of the water resources is reduced, fruit and forage grass production is considered, and economic benefits are remarkably increased.
Owner:KUNMING UNIV OF SCI & TECH

Data processing method and device based on spoil field, equipment and medium

The invention relates to a data processing method and device based on a spoil field, equipment and a medium. The method comprises the following steps: according to water and soil loss evaluation parameters of each target area in a target spoil site, performing water and soil loss evaluation calculation on each target area by using a water and soil loss model to obtain respective soil loss amount of each target area; according to the respective soil loss amount of each target area, determining the respective erosion risk level of each target area; determining respective soil protection and restoration measures of each target area according to the respective erosion risk level of each target area; for each target area, the rainfall capacity and the soil humidity of the target area are obtained, and the drainage demand of the target area is determined according to the rainfall capacity, the soil humidity and the soil loss amount of the target area; under the condition that the soil protection and restoration measures of the target area are implemented, automatic drainage equipment installed in the target area is controlled to adjust the drainage amount according to the drainage demand. By adopting the method, the modification efficiency of the spoil field can be improved.
Owner:CHINA RESOURCES (QINGYUAN) SOLAR POWER CO LTD

Weeding structure and weeding device between under-forest traditional Chinese medicinal material plants

The invention discloses an inter-plant weeding structure and weeding device for under-forest traditional Chinese medicinal materials, and particularly relates to the technical field of agricultural and forestry machinery, the structure comprises a soil loosening assembly and a grass collecting assembly, the grass collecting assembly comprises a filtering and conveying assembly and a grass collecting container, and the soil loosening assembly, the filtering and conveying assembly and the grass collecting container are sequentially distributed along a weeding path; the top end of the filtering and conveying assembly extends into the grass collecting container, the filtering and conveying assembly comprises a belt type circulating conveying body and a conveying driving body, and a filtering space is formed in the surface of the belt type circulating conveying body. After soil loosening, the belt type circulating conveying body is driven to move circularly, soft soil, weeds and grass roots are conveyed upwards, soil fragments and particles can be filtered downwards and fall back to the ground, most of soil in an original area cannot be taken away, soil loss of a planting area is greatly reduced, the follow-up maintenance workload is reduced, and the planting efficiency is improved. The traditional Chinese medicinal material planting efficiency and the traditional Chinese medicinal material product quality are improved.
Owner:HEBEI NORMAL UNIVERSITY OF SCIENCE & TECHNOLOGY

Slope body leveling slope protection structure

A slope protection layer is formed by mutually connecting a plurality of slope protection building blocks, the slope surface is decomposed into a plurality of small step planes, the slope protection surface achieves zero soil loss, the water and soil conservation effect is remarkable, and the greening effect is lasting. A plurality of steps are laid in the inclined direction of the slope body, the adjacent steps are staggered, so that the whole slope surface is in a staggered step shape, when flowing downwards from the slope surface, water flow gathers at the splicing position of the slope protection building blocks, a turbulent flow energy dissipation area is formed, and water flow energy is remarkably reduced; different interlocking structures are arranged between two adjacent slope protection building blocks of each step and between the third slope protection building block of the adjacent step, so that the overall stability of the slope protection structure is greatly improved, and the slope protection building blocks penetrate into the slope surface by arranging zigzag structures on the bottom surfaces of the slope protection building blocks, so that the slope protection structure is more stable. And the overall stability of the slope protection structure is further improved.
Owner:安徽城洁环境科技有限公司

Ecological slope protection supporting structure for water conservancy project

The invention discloses an ecological slope protection supporting structure for hydraulic engineering, and relates to the technical field of ecological slope protection, the ecological slope protection supporting structure comprises a fixing block, rotating plates are rotatably connected to the two sides of the surface of the fixing block, inserting rods slidably mounted on the fixing block are arranged below the rotating plates, and the inserting rods are used for being inserted into soil to fix the position of the fixing block; a control assembly is arranged in the fixing block. According to the ecological slope protection supporting structure for the water conservancy project, when rainwater slides down from a slope and generates impact force on the rotating plate, the mechanism can automatically adapt to the external force and convert the external force into rotating kinetic energy of the rotating plate, manual intervention is not needed in the design, rainwater impact can be automatically responded, and the intelligent degree and the automation degree of a system are improved; the rotating plate rotates through a series of mechanical transmission to finally drive the supporting plate and the first pressing plate and the second pressing plate on the supporting plate to conduct compaction treatment on soil, the compaction mechanism is efficient, the compactness of the soil around the inserting rod can be guaranteed, and soil loss is effectively prevented.
Owner:CHINA THREE GORGES UNIV

A soil improvement device for mountain orchards and its application

The present invention belongs to the field of agricultural technology, and in particular to a soil improvement device for mountain orchards. The following scheme is proposed, including a plate body, the four corners of the bottom of the plate body are connected to support legs by bolts, and a moving wheel is arranged on one side of the support legs, a soil loosening mechanism is arranged between two adjacent support legs, a liquid storage tank is connected to one side of the top of the plate body by bolts, and a box cover is connected to the top of the liquid storage tank by bolts, a liquid inlet is provided through the top of the box cover, and a sealing plug is provided on the inner wall of the liquid inlet, a connecting port is provided through the top of the plate body, and an adjusting mechanism is provided on the inner wall of the connecting port, and a soil improvement mechanism is arranged between the top and bottom of the support plate. In the present invention, the soil on both sides is processed by a scraper to prevent the soil from splashing to both sides due to the stirring force during the stirring and improvement, thereby causing the soil to be lost, and then affecting the growth of fruit trees.
Owner:INST OF TROPICAL BIOSCI & BIOTECH CHINESE ACADEMY OF TROPICAL AGRI SCI

Water and soil conservation soil loss data monitoring system and method

The invention discloses a water and soil conservation soil loss data monitoring system and method, and the method comprises the steps: constructing a soil loss data management container through a water and soil conservation management device according to the information of a to-be-monitored target region, the soil loss data management container divides the to-be-monitored target area into a plurality of sub-areas of the monitored target area; the soil loss data management container creates soil loss data management sub-containers corresponding to the water and soil conservation monitoring features according to the sub-region sequence of the monitoring target region corresponding to the water and soil conservation monitoring features; and the soil loss data management sub-container corresponding to the water and soil conservation monitoring characteristics obtains a data sequence and a data change trend corresponding to the water and soil conservation monitoring characteristics according to the sub-region sequence of the monitoring target region corresponding to the water and soil conservation monitoring characteristics, and completes water and soil conservation monitoring of the to-be-monitored target region.
Owner:德阳市水土保持监测站 +1

Device for high-precision monitoring of soil loss amount

The invention discloses a device for high-precision soil loss amount monitoring, relates to the technical field of water and soil conservation monitoring, and solves the problems that an existing monitoring method cannot comprehensively and accurately reflect the soil loss amount of a monitoring area, a monitoring point is fixed and cannot be moved and reused, and the accuracy of a monitoring result is low. A device for high-precision soil loss monitoring comprises an integrated controller, a transverse rod, a data acquisition unit, a track system, a power wheel, a transverse support, supporting legs and auxiliary wheels, and the integrated controller integrates a power unit, a power supply unit, an intelligent control module and a data transmission unit. The monitoring device provided by the invention is quick to install, is completely composed of modules, can adapt to the requirements of fields with different sizes and gradients, can realize full-automatic monitoring and remote control monitoring of soil loss amount, can also be used for monitoring slope displacement and geological disasters, and has a monitoring result precision far higher than that of a traditional method.
Owner:CHINA WATER NORTHEASTERN INVESTIGATION DESIGN & RES

Ecological seed-carrying slurry for side slope of dumping site in mining area as well as preparation method and application of ecological seed-carrying slurry

The invention relates to the technical field of ecological concrete slurry, in particular to ecological seed-carrying slurry for a mine dump slope as well as a preparation method and application of the ecological seed-carrying slurry. Aiming at the special environment characteristics of an Inner Mongolia mining area, the novel growth domain-containing seed-carrying artificial aggregate is prepared, the aggregate is composed of three layers of structures, each layer has a specific function, and the purposes of promoting multi-source seed germination and plant growth, providing nutrition and improving the soil environment are achieved. The slurry not only can effectively utilize solid wastes and reduce the cost, but also adopts in-situ point type layered hole sowing, shortens the vegetation recovery period in slope ecological restoration, greatly improves the survival rate of arbor and shrub seed sources, reduces the watering frequency, saves the restoration cost, reduces the treatment workload, and improves the slope ecological restoration efficiency. While vegetation recovery is effectively promoted, slope stability is enhanced, water and soil loss is prevented and controlled, runoff is slowed down, soil is solidified, and an efficient and sustainable solution is provided for ecological restoration work of an Inner Mongolia green mine.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Soil improvement effect evaluation system and method based on soil corrosion prevention, soil moisture conservation and fertility improvement

The invention provides a soil improvement effect evaluation system and method based on soil corrosion prevention, soil moisture conservation and fertility improvement, and relates to the technical field of soil optimization. A soil corrosion prevention index is generated based on a soil loss rate, a soil stability index and a vegetation coverage rate; generating a soil moisture preservation index based on the water holding rate, porosity and evaporation water loss of the soil sample; according to the method, a soil fertility improvement index is generated by measuring the total content of organic matters, nitrogen phosphorus and potassium and the pH value, and further sampling and normalization are carried out on each index in a secondary test area to generate a comprehensive evaluation index, so that scientific quantitative evaluation is carried out on the soil improvement effect, and a decision basis is provided for soil protection and agricultural sustainable development.
Owner:DRYLAND AGRI INST GANSU ACADEMY OF AGRI SCI

Ecological reinforcing structure of river channel grouted rubble retaining wall revetment

The invention provides an ecological reinforcing structure of a river channel grouted rubble retaining wall revetment, the ecological reinforcing structure takes double-row pile foundations and a planting platform as a core design concept, the first pile foundation is located at the foot of an existing grouted rubble retaining wall, the top of the pile foundation is provided with a reinforced concrete guide beam, and the second pile foundation is located at the foot of the existing grouted rubble retaining wall; the newly-built guide beam is connected with an existing grouted rubble retaining wall base into a whole through embedded steel bars, the integrity and the anti-sliding capacity of the retaining wall are remarkably enhanced, and base emptying and wall body deformation are effectively restrained. The second pile foundation structure is a planting pile and backfill soil behind the planting pile to construct an aquatic plant planting platform, geotechnical cloth is laid between the planting pile and the backfill soil, soil particle loss can be prevented, water is allowed to freely permeate, and normal exchange between water and soil is maintained. The stability of an existing retaining wall is guaranteed, an aquatic plant planting platform is constructed, the whole reinforcing system is hidden under the normal water level, the natural form of a river channel is maintained, and deep integration of ecology and safety is achieved.
Owner:SHANGHAI INVESTIGATION DESIGN & RES INST CO LTD

Method for predicting stratum settlement caused by curvature radius change of space curve shield

The invention discloses a method for predicting stratum settlement caused by space curve shield based on curvature radius change, and the method comprises the following steps: S1, building a space rectangular coordinate system, and constructing a space curve shield tunnel calculation model according to the tunneling posture of a shield tunneling machine; the shield tunneling machine enters the abnormal tunneling section from the normal tunneling section, the shield tunneling machine turns right around a new rotating shaft l1 to conduct tunneling with the curvature radius Qyaw, the tunneling distance is converted into the angle of rotating around the new rotating shaft l1 by theta s, and the new rotating shaft l1 is parallel to the z-axis and intersects with the x-axis; s2, a space equation of a new rotating shaft l1 is obtained, and translation processing is conducted on the abnormal tunneling section; and S3, on the basis of three-dimensional space column coordinate transformation, soil body settlement caused by various soil body losses under the condition that the curvature radius is changed can be obtained. The method has the advantages that stratum settlement of the space curve shield caused by curvature radius change is predicted, and reference is provided for actual tunnel construction.
Owner:CHINA RAILWAY 15TH BUREAU GROUP CORPORATION LIMITED +3

Moisture efficient optimization regulation and control method coupled with black soil cultivated land quality dynamic evaluation

The invention belongs to the field of sustainable agriculture, and particularly relates to a moisture efficient optimization regulation and control method coupled with black soil cultivated land quality dynamic evaluation. According to the method, the influence of the moisture process on black soil erosion is introduced, and accurate soil loss amount evaluation is realized; in combination with key constraint conditions such as soil erosion and salinization, an optimal calculation method is proposed, the optimal irrigation water amount and irrigation mode are scientifically decided, and the risk of soil degradation is reduced to the maximum extent while it is ensured that the black soil area meets the water demand of crops; the index model (SRI) for quantifying the black soil restoration effect is provided by integrating multi-dimensional key indexes such as soil erosion, salinization, soil nutrients and a soil structure, and the soil health condition and the restoration effect are quantitatively evaluated.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Drainage basin water and soil loss monitoring intelligent early warning method based on deep learning

The invention discloses a deep learning-based drainage basin water and soil loss monitoring intelligent early warning method, which comprises the following steps of S1, arranging a sensor array in a sensitive area of a drainage basin to be monitored in advance, and synchronously acquiring rainfall data, surface runoff data, suspended matter concentration data and unmanned aerial vehicle multispectral remote sensing data; s2, inputting the fusion data stream into an improved liquid neural network to generate a state feature data stream; s3, calculating state characteristic trajectory data through a Shenchang differential equation; s4, implementing multi-scale state stability analysis, and identifying an abnormal state inflection point; s5, generating a dynamic risk space mapping map; and S6, determining the risk level of the risk area, and executing corresponding water and soil conservation measures. The water and soil loss risk prediction accuracy and response timeliness are improved, and the method is suitable for river basin ecological environment monitoring and protection.
Owner:HOHAI UNIV

Water and soil conservation soil loss data monitoring system and method

The invention relates to the technical field of water and soil conservation monitoring, and discloses a water and soil conservation soil loss data monitoring system and method. An area setting module of the system sets a geographic monitoring area by taking a monitoring station as a center, so that accurate delimiting of a monitoring range is realized; the data acquisition module is used for acquiring soil loss related data in a geographical monitoring area, wherein the related data covers multi-dimensional information such as rainfall, soil water content and vegetation coverage. The loss analysis module calculates a loss coefficient and a risk coefficient through the data, and quantitatively presents the soil loss condition; the early warning module generates an early warning instruction according to the loss coefficient and the risk coefficient, and accurately reflects the emergency degree and the risk level of soil loss; and the cloud interaction module establishes a communication channel with a cloud server when the early warning instruction is generated, so that real-time sharing and cooperative processing of data are realized. According to the system, the pertinence, comprehensiveness and timeliness of soil loss monitoring are improved, and powerful support is provided for water and soil conservation work.
Owner:SHAANXI JIANGYUAN ECOLOGICAL ENG CO LTD

Expansive soil slope reinforcing structure based on foam concrete

The invention relates to the technical field of geotechnical engineering and slope reinforcement, and discloses a foam concrete-based expansive soil slope reinforcement structure which comprises a slope body and a foam concrete prefabricated reinforcement assembly mounted on the slope body through anchor rods, and the reinforcement assembly comprises a first reinforcement layer and a second reinforcement layer which are sequentially arranged on the slope surface of the slope body; the first reinforcing layer comprises a plurality of first reinforcing units arranged in the length direction of the slope body. By means of the double-layer design of the first reinforcing layer and the second reinforcing layer, the first prefabricated slab is longitudinally connected in an inserted mode through a dovetail or T-shaped tenon-and-mortise structure to achieve seamless attachment, the second prefabricated slab presses and covers tenon-and-mortise joints and is clamped and locked through the annular connecting piece, a latticed system of transverse restraining and longitudinal locking is formed, the structure can resist volume expansion of expansive soil by 30% or above, and the expansive soil is not prone to deformation. A soil body loss channel is effectively blocked, and the linkage problem of loosening-cavity-instability of a traditional prefabricated part is solved.
Owner:CHINA MCC17 GRP CO LTD

Expansive soil improvement material and preparation method thereof

The invention relates to the technical field of soil improvement, and discloses an expansive soil improvement material and a preparation method thereof.The expansive soil improvement material is prepared from, by mass, 1-5% of sodium carboxymethyl cellulose, 1-5% of anionic polyacrylamide, 5-25% of alkali-activated rice hull ash and 65-93% of in-situ soil. The soil bearing capacity is improved, water and soil loss is prevented, surface runoff is reduced, the water retention capacity of soil is improved, harmful substances cannot be generated in use, the method is harmless to the environment and human health, the method is simple, a complex treatment process is not needed, the construction difficulty and cost are reduced, and energy loss in the whole production process is reduced. The energy consumption in the whole production process is reduced, meanwhile, the overall production efficiency is improved, the energy loss is reduced, the pollution emission in the production process is reduced, and green and environment-friendly production is achieved.
Owner:HEFEI UNIV OF TECH

Cultivator with adjustable plowing width

The invention discloses a cultivator with adjustable cultivation width, which relates to the technical field of agricultural cultivation and comprises a cultivator body, a driving wheel mounted at the bottom of the cultivator body and a soil turning mechanism mounted at the rear end of the cultivator body and capable of performing local cultivation operation. The traction rod is installed in front of the soil turning mechanism and used for sensing topographic changes to adjust the local ploughing operation width in a self-adaptive mode, and a soil collecting mechanism is arranged behind the soil turning mechanism and used for collecting and compacting ploughed soil in real time and conveying the soil to the outer side of the belt-shaped rotation belt in sequence to build ridges on site. Local no-tillage is achieved through the asymmetrically-arranged cutters, obstacles can be avoided according to the terrain trend in the ploughing process, the amplitude of a no-tillage area is adjusted in real time, excessive ploughing is avoided, ridges can be built in situ through the soil collecting mechanism in the ploughing process, preliminary effective protection is formed, and soil loss on the surface of a terraced field is avoided; integrated operation of ploughing and ridging is achieved, and the working procedure of terraced field building or farmland arrangement is simplified.
Owner:YUNNAN AGRICULTURAL UNIVERSITY

Large-rigidity foundation pit supporting structure suitable for deep soft soil condition

The utility model relates to the technical field of foundation pit construction structures, in particular to a large-rigidity foundation pit supporting structure suitable for deep and thick soft soil conditions, which comprises a double-row pile system, a deformation control built-in area and a drainage structure backfilling area. The double-row pile system consists of front-row cast-in-place piles, rear-row cast-in-place piles and double-row pile connecting beams for connecting the front-row cast-in-place piles and the rear-row cast-in-place piles; a water stopping system is arranged in a gap between the outer walls of the front-row cast-in-place piles and the rear-row cast-in-place piles and soft soil, the water stopping system is a high-pressure jet grouting pile, and the deformation control build-in area is arranged on the inner side of the double-row pile system and composed of meshed high-pressure jet grouting piles at steps, enclosure cast-in-place piles and anchor cables. Wherein the enclosure cast-in-place piles and the occlusion high-pressure jet grouting piles are in occlusion connection in the transverse direction and the longitudinal direction. According to the large-rigidity foundation pit supporting structure suitable for the deep and thick soft soil condition, the water stopping system combining the double-row pile system and the high-pressure jet grouting piles is adopted, water and soil loss around the foundation pit is effectively controlled, and the stability in the foundation pit excavation process is ensured.
Owner:QINGDAO INST OF SURVEYING & MAPPING SURVEY

Greening planting box with water storage and drainage functions for agriculture and forestry

The invention discloses a green planting box with water storage and drainage functions for agriculture and forestry, and belongs to the technical field of green planting boxes, the green planting box comprises a shell, a supporting rod and a planting bin, and further comprises a water source storage mechanism, the water source storage mechanism comprises a water control bin connected to the outer side of the planting bin in a sleeving mode, and a plurality of mounting grooves are formed in the outer side of the shell; a filtering assembly is arranged on the side, close to the planting bin, of the mounting groove, a water storage assembly and a water source discharging mechanism are arranged on the other side of the mounting groove, and the water source discharging mechanism is arranged in the water control bin and used for discharging redundant water in the shell after the water storage assembly is full of water. The problems that an existing greening planting box cannot store redundant water generated after raining and watering, and consequently water sources are rapidly lost, the planting cost of the planting box is increased, and soil in the planting box is lost are solved.
Owner:DONGTAI LVFEI AGRI TECH CO LTD

Engineering construction protection slope

ActiveCN222500283USolve the problem of potential loosening and causing hidden dangersSolve the time-consuming and laborious installationClimate change adaptationExcavationsArchitectural engineeringStructural engineering
The utility model relates to the technical field of slope protection, in particular to an engineering construction slope protection. The technical problems that during engineering construction, a protection slope needs to be used in a construction road section with potential safety hazards to prevent rolling stones and soil from falling off to affect the safety of constructors, the protection slope is troublesome, time-consuming and labor-consuming to install and recycle due to the large size, and under the rainy day condition, due to washing of rainwater, the protection slope is not prone to falling off. And the slope protection becomes loose to generate potential safety hazards due to soil loss. According to the technical scheme, the engineering construction protection slope comprises a hoisting assembly, a first protection assembly, a second protection assembly, a folding assembly and a fixing assembly. By using the hoisting assembly and the folding assembly, the first protection assembly and the second protection assembly are unfolded and flatly laid for slope protection, and the problems that time and labor are wasted during slope protection installation and recovery, and potential hazards are generated due to looseness are solved.
Owner:CHINA ENERGY ENG GRP TIANJIN ELECTRIC POWER CONSTR CO LTD

Ecological slope protection device for ancient and famous trees and ecological slope protection method thereof

The invention relates to the technical field of ecological construction and maintenance, in particular to an ancient and famous tree ecological slope protection device and an ecological slope protection method thereof.The ancient and famous tree ecological slope protection device comprises an L-shaped supporting plate, and one end of a transverse anchoring assembly is detachably connected with a vertical plate of the L-shaped supporting plate; the longitudinal anchoring assembly is detachably connected with the transverse anchoring assembly; the cage net assembly is detachably connected with the longitudinal anchoring assembly. The longitudinal anchoring assemblies and the transverse anchoring assemblies are connected to the lower portion of the growth position of the ancient and famous trees to form the building frame, the cage net assemblies form the cage net in the building frame, and soil fixation is conducted on the lower portion of the growth position of the ancient and famous trees through cooperation of the cage net assemblies and the L-shaped supporting plates in the early stage of slope protection maintenance of the ancient and famous trees. In the later stage of slope protection maintenance of the ancient and famous trees, the cage net assemblies are connected with rhizomes of the ancient and famous trees in a winding mode, connection disengagement and soil loss are avoided, and slope protection maintenance of the suspended ancient trees growing in the slope body section is achieved.
Owner:SICHUAN FORESTRY RES INST (SICHUAN FORESTRY IND RES & DESIGN INST)

Method for estimating soil loss amount in karst region

The invention discloses a method for estimating the soil loss amount in a karst region, and the method comprises the steps: determining a negative exponential function relation between a rock exposure rate and the soil loss amount based on field in-situ observation; according to the negative exponential function relation, stony desertification factors used for quantifying the inhibition effect of rock exposure on soil erosion are constructed; introducing the stony desertification factor as a multiplicative factor into an RUSLE model, and establishing an RUSLE-D model; and obtaining each RUSLE factor data and rock exposure rate data of the target area, inputting the RUSLE-D model, and calculating the soil erosion amount of the target area. According to the invention, the accuracy and practicability of model estimation and prediction are improved.
Owner:GUIZHOU NORMAL UNIVERSITY

Prediction method for stratum settlement caused by vertical pitching of space curve shield

The invention discloses a method for predicting stratum settlement caused by vertical pitching of a space curve shield, and the method comprises the following steps: S1, building a space rectangular coordinate system, and constructing a space curve shield tunnel calculation model according to the tunneling posture of a shield tunneling machine; the shield tunneling machine enters the abnormal tunneling section from the normal tunneling section and turns right around the new rotating shaft l1 with the curvature radius Q for tunneling, the tunneling distance is converted into the angle formed by rotating around the new rotating shaft l1 by theta s, and a pitch angle beta is formed between the new rotating shaft l1 and the z axis; s2, projection processing is conducted on the excavation face of the shield tunneling machine of the abnormal tunneling section, and the pitching height of the shield tunneling machine is determined; and S3, on the basis of three-dimensional space column coordinate transformation, soil body settlement caused by various soil body losses under the vertical pitching condition can be obtained. The method has the advantages that the stratum settlement caused by vertical pitching of the space curve shield is predicted, and reference is provided for actual tunnel construction.
Owner:CHINA RAILWAY 15TH BUREAU GROUP CORPORATION LIMITED +3

Tile planting box foot stool

The utility model relates to the technical field of ceramic tile boxes, in particular to a ceramic tile planting box foot stool which comprises an integrally-formed foot stool body, the foot stool body comprises two vertical plates which are perpendicular to each other, inner baffles are arranged in the middles of the tops of the two vertical plates in an extending mode, bending parts are arranged on the two sides of the tops of the two vertical plates outwards, and the two sides of the tops of the two vertical plates are provided with outer baffles. An outer side plate is arranged on the side, away from the vertical plate, of the bent part, an opening with an upward opening is formed between the outer side plate and the inner baffles, and the tops of the two inner baffles are bent inwards to form horizontal parts which are horizontally arranged. Through the arrangement of the foot stool body, the foot stool body is simple in structure, is formed by integrally bending a metal plate and is convenient to produce, and the production cost is effectively controlled; meanwhile, the outer side plate, the inner baffle and the bent part form an opening for mounting the vertical plate, the bottom plate is placed through the bent horizontal part at the top of the inner baffle, and the vertical plate inserted in the opening is used for shielding the bottom plate, so that a gap is prevented from being generated between the bottom plate and the vertical plate, the overall attractiveness is improved, and planting soil is prevented from being lost.
Owner:罗会权

Cooperative intelligent early warning method and system for easily-weathered rock slope

The invention provides a cooperative intelligent early warning method and system for an easily-weathered rock slope, and relates to the technical field of landslide early warning, and the method comprises the steps: obtaining first information, second information and third information; according to the second information, a relation curve of the soil weight, the cohesive force and the internal friction angle changing along with the moisture content is established, a function is fitted, and an accumulation body soil parameter function is obtained; performing slope-accumulation body model construction processing according to the first information and an accumulation body soil body parameter function, and calculating a stability coefficient and a potential instability range of an accumulation body to obtain sample data; constructing an accumulation body water and soil loss prediction model based on a preset neural network model and the sample data; and inputting the third information into the accumulation body water and soil loss prediction model for prediction processing, and dividing threat levels of the accumulation body and performing stability early warning. According to the method, multiple factors such as the landform, the soil parameters and the water and soil loss of the slope are comprehensively considered, so that a more comprehensive and reliable early warning result can be provided.
Owner:SOUTHWEST JIAOTONG UNIV +1

Application of CKX gene in regulation and control of alfalfa root system

The invention discloses an application of a CKX gene in regulation and control of an alfalfa root system, which comprises the following steps of: 1, preparing a transgenic body of wild alfalfa, and over-expressing an MtCKX1 gene in the alfalfa to obtain a transgenic plant; the cDNA sequence and the amino acid sequence of the MtCKX1 gene are a sequence 1 and a sequence 2 in a sequence table; 2, comparing the root system of the alfalfa transgenic plant with the root system of a wild type plant, wherein the root system of the alfalfa transgenic plant is larger than that of the wild type plant; the cytokinin content of the transgenic plant is inhibited, and the root system of the transgenic plant is enhanced and enlarged; the cytokinin has a negative regulation effect in the aspect of root system growth of plants, after overexpression of the MtCKX1 gene, the cytokinin is inhibited, the root system of the plants is enhanced and enlarged, and the effects of well fixing soil and preventing soil loss are achieved.
Owner:INST OF BOTANY CHINESE ACAD OF SCI

Method for repairing open pit coal mine waste dump side slope through water and soil immobilization material

The invention belongs to the field of ecological restoration, and provides a method for restoring an open pit coal mine waste dump side slope through a water and soil immobilization material. The method comprises the steps that S1, the side slope is leveled and covered with surface soil; s2, the water and soil immobilization material is combined with plant seeds to plant plants; s3, irrigation; the planting method in the step S2 comprises the steps that after plant seeds are planted on the side slope, water and soil immobilization materials are laid, and the water and soil immobilization materials comprise a straw curtain immobilization material, a plant fiber immobilization material, a gauze straw immobilization material and a reed curtain immobilization material. Or uniformly mixing the plant seeds with the planting soil, the humus, the water-retaining agent, the adhesive and the compound fertilizer to form the plant-growing plate immobilization material, and then paving the plant-growing plate immobilization material on the side slope of the coal mine dump; according to the technical scheme, the problems of water and soil loss and seed loss can be prevented, the water content of the soil surface is increased, the evaporation capacity of the soil surface layer is reduced, the germination rate and the survival rate of the seeds are increased, and the immobilization material is degradable and does not need to be manually cleaned.
Owner:MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD +1