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407 results about "Soil mixing" patented technology
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Flow-state solidified soil mixing construction method based on automatic adjustment of proportioning parameters
PendingCN120481068AMixing operation control apparatusCement mixing apparatusEarly warning systemMulti objective optimization algorithm
The invention provides a flow-state solidified soil mixing construction method based on automatic adjustment of proportioning parameters, belongs to the technical field of flow-state solidified soil, and realizes intelligent control of a flow-state solidified soil mixing process by establishing a three-section type precise screening and stirring system and a high-precision automatic control system. According to the method, firstly, target performance parameters are input, and an optimal matching scheme is automatically selected through a multi-target optimization algorithm; starting an original soil treatment unit to perform soil material dispersion treatment and measuring the physical characteristics of the soil material; adding the raw materials according to the accurate measurement, and fully mixing; when it is detected that the performance of the mixture deviates from a target value, the system automatically triggers a parameter compensation mechanism for adjustment; and meanwhile, a material ratio fluctuation early warning system is established, so that uneven mixture quality caused by starting and stopping of equipment or material conveying delay is avoided, and the technical problem that in the prior art, matching parameters are difficult to accurately regulate and control in real time in the mixing process of the flow-state solidified soil is solved.
Owner:CHINA CONSTR EIGHTH BUREAU DEV & CONSTR CO LTD +1
Reinforcing structure of soft soil foundation road and construction method thereof
InactiveCN119411436Aimprove integrityImprove water stabilityRoadwaysBulkheads/pilesSoil scienceSoil mixing
The invention belongs to the technical field of soft soil foundation treatment, and discloses a soft soil foundation road reinforcing structure and a construction method thereof.The reinforcing structure comprises a plurality of cement soil mixing piles arranged in a soft soil foundation in an array mode; the multiple core piles are used for being inserted into the cement-soil mixing pile before initial setting of the cement-soil mixing pile, the multiple core piles and the multiple cement-soil mixing piles are arranged in a one-to-one correspondence mode, and each core pile comprises a pipe pile and a reinforcing piece which is filled and fixed in the pipe pile; the geogrid layer is laid on the top of the soft soil foundation and located above the multiple core pile areas, and a plurality of meshes are formed in the geogrid layer; a mattress layer; and a filler. The integrality, water stability and certain strength of the road soft soil foundation can be effectively improved, the bearing capacity and shear strength of the road subgrade are remarkably improved, meanwhile, differential settlement of the road subgrade can be effectively controlled by reinforcing the soft soil layer, and the construction quality is improved.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD
Ecological restoration method and device for multi-type land soil
The invention discloses an ecological restoration method and device for multi-type land soil, relates to the technical field of soil restoration, solves the problem of low soil restoration efficiency caused by low mixing efficiency of restoration liquid and soil in the prior art, and provides the ecological restoration method and device for the multi-type land soil. According to the soil remediation device, a chemical outlet assembly and a stirring assembly are arranged, then through cooperation of an outer sleeve and a rotating pipe in the chemical outlet assembly, remediation liquid can rapidly permeate into soil, and through the effect of the arranged stirring assembly, the soil, needing to be remediated, in a remediation tank is stirred through rotation of a stirring rod; the soil can be uniformly and quickly mixed with the remediation liquid, so that the mixing efficiency of the soil and the remediation liquid is improved, the remediation efficiency of the soil is improved, and the problem of low soil remediation efficiency caused by low mixing efficiency of the remediation liquid and the soil in the prior art is solved.
Owner:LISHUI JINYANG LAND PLANNING & MAPPING CO LTD
Fertilizer and soil mixing structure, coast saline-alkali soil treatment and salt elimination equipment and coast saline-alkali soil treatment and salt elimination method
The invention relates to the technical field of saline-alkali soil improvement equipment, in particular to a fertilizer and soil mixing structure and coast saline-alkali soil treatment salt elimination equipment and method. The fertilizer and soil mixing structure comprises a soil feeding box, a material receiving disc, a fertilizer feeding hopper, a discharging box and a stirring assembly. The central axis of the soil feeding box is vertically arranged, a plurality of first through holes are formed in the bottom face of the soil feeding box, the material receiving disc is arranged in the soil feeding box, and a plurality of second through holes are formed in the edge of the material receiving disc. The stirring assembly comprises a driver, a stirring piece and a mixing piece, the two ends of the stirring piece are connected with the output end of the driver and the center of the top face of the material receiving disc respectively, and the mixing piece is fixedly arranged at the center of the bottom face of the material receiving disc. When the device is used, soil can rapidly leave the soil feeding box through the first through holes, organic fertilizer can rapidly leave the fertilizer feeding hopper through the second through holes, the mixing piece can make full contact with the soil and the organic fertilizer during rotation, and the mixing efficiency of the soil and the organic fertilizer is improved.
Owner:DALIAN MARITIME UNIVERSITY +1
Geological soil sampling equipment for engineering investigation
The invention relates to the technical field of geological sampling, in particular to geological soil sampling equipment for engineering reconnaissance, which comprises a core shaft and an isolation cylinder which are distributed in an inner and outer sleeving manner, a conveying body is arranged between the core shaft and the isolation cylinder, and the core shaft and the isolation cylinder are connected through the conveying body. The conveying body is used for drilling into a soil layer, at least part of the isolation cylinder is used for shielding soil, and a plurality of storage units for sampling are arranged on the isolation cylinder; through the design of the isolation cylinder, soil of different depths can be effectively isolated, surface soil and deep soil are prevented from being mixed, the accurate sampling depth is ensured, the isolation cylinder makes contact with the inner wall of an underground drill hole, excavated soil and inner wall soil are prevented from being mixed, the purity of the inner wall soil is kept, and the sampling precision is improved.
Owner:SHANDONG DINGSHI ARCHITECTURAL DESIGN CO LTD
A multifunctional agricultural robot
ActiveCN112136423Bpromote absorptionincrease profitPlantingMeasurement devicesAgricultural engineeringFoliar fertilization
The present invention provides a multifunctional agricultural robot, which includes a fertilizer and soil mixing mother bin and a driving module, wherein the fertilizer and soil mixing mother bin is installed above the driving module through a quick locking device; the driving module is a wheeled or crawler driven chassis, and the fertilizer and soil mixing mother bin includes: a rotating bucket, a closed soil conveyor belt, a human proximity safety sensor, a laser radar / RFID / visual recognition system, a fertilizer bin module, a liquid foliar fertilizer or pesticide module, a soil bin module, a fertilizer / soil mixing module, a robot control center, a soil feeding and paving device, a weighing module and a mixed fertilizer and soil feeding port. The present invention realizes the one-time completion of the whole process of trenching and soil digging, real-time nutrient detection and analysis, fertilizer distribution, fertilizer mixing, fertilization, and automatic backfilling. It can be operated in different terrains and soils such as orchards, small plots of land, tea gardens, hills, mountains, etc., which are inaccessible to large machinery. It has many advantages such as fast analysis speed, simple operation, no waste, and no pollution.
Owner:杨立 +4
Composite foundation pit supporting method
The invention provides a construction method of a composite foundation pit supporting structure, which adopts a cement-soil mixing pile wall, a plurality of H-shaped steels, a reinforced concrete coping plate, a cement-soil wall top beam, a cast-in-situ bored pile row, a plurality of pre-stressed anchor rods, a pile row coping beam and a plurality of connecting beams, a cast-in-situ bored pile row is arranged on a construction working face, close to the foundation pit side, of a cement soil mixing pile wall, the upper end of a pre-stressed anchor rod is arranged on a pile row capping beam, the pre-stressed anchor rod obliquely penetrates through the cement soil mixing pile wall through a first channel, and a cement soil wall top beam and the pile row capping beam are in rigid connection through a connecting beam. The cement-soil mixing pile wall serves as an initial cantilever soil retaining main body, and is combined with the cast-in-situ bored piles to form an integral frame for connecting the cement-soil wall top beam and the pile-in-row capping beam, so that support-free excavation of the foundation pit can be realized, the construction operation is convenient, the construction period is effectively shortened, the manufacturing cost is saved, and meanwhile, the safety and the stability of the whole foundation pit in the excavation period are ensured.
Owner:SHANGHAI CONSTRUCTION GROUP CO LTD
Cement-soil mixing and conveying device
ActiveCN222494837Uprevent solidificationdesign scienceDischarging apparatusCement mixing apparatusSoil scienceSoil mixing
The utility model relates to a cement-soil mixing and conveying device, and belongs to the technical field of construction engineering equipment. The device comprises a bottom plate, a stirring box and a conveying mechanism are arranged on the bottom plate, a stirring mechanism is arranged in the stirring box, and the stirring mechanism comprises a first motor, a rotating rod, stirring blades, a discharging pipe and a first discharging valve; the conveying mechanism comprises a conveying barrel, a conveying shaft and a second motor; and a discharge pipe of the stirring mechanism is communicated with a conveying barrel of the conveying mechanism. The cement soil mixing and conveying device is scientific in design, reasonable in structure and convenient to use, materials can be conveniently and uniformly stirred through the stirring mechanism, the materials can be conveniently conveyed through the conveying mechanism, and cement soil is prevented from being solidified in the transportation process. The cement-soil mixing and conveying device solves the problems that an existing cement-soil mixing device is single in structure, uneven in mixing, prone to solidification and not high in practicability, and the cement-soil mixing quality is affected.
Owner:SHANXI WUJIAN GRP CO LTD
Constant-temperature curing and loading integrated test equipment for preparation of mixing pile
The invention discloses constant-temperature curing and loading integrated test equipment for preparation of mixing piles, and relates to the technical field of preparation of mixing piles, and the constant-temperature curing and loading integrated test equipment comprises a refrigerator, a constant-temperature device, a loading device and a multi-angle mixing pile preparation device. According to the constant-temperature curing and loading integrated test equipment for preparing the stirring pile, through coordination of heating and refrigerating, the temperature control precision of a conventional refrigerator is improved, and the uniformity of a temperature field in the refrigerator is guaranteed; the whole process from pile manufacturing, maintenance to loading is completed in the same constant-temperature space, interference caused by process conversion is eliminated, finally, the reinforcing process and effect of the inclined cement-soil mixing pile in the high-temperature frozen soil roadbed are accurately simulated, and test errors caused by temperature fluctuation and process separation in a traditional method are avoided; by quickly adjusting the angle of the stirring rod and selecting different spray hole combinations, one device can simulate various construction processes, different scientific research and test requirements are met, and the flexibility in use is improved.
Owner:XI'AN PETROLEUM UNIVERSITY
Intelligent concentrated supply fertilization and soil preparation machine and use method thereof
The invention relates to the technical field of soil preparation and fertilization agricultural machinery, in particular to an intelligent centralized supply fertilization soil preparation machine and a using method.The intelligent centralized supply fertilization soil preparation machine comprises a fertilizer box, the fertilizer box is provided with a fertilization assembly, and the fertilization assembly comprises a fertilizer distribution amount adjusting mechanism and a centralized air conveying mechanism; the fertilizer distribution amount adjusting mechanism is used for adjusting the fertilizer output from the fertilizer box, and the centralized air conveying mechanism is used for conveying the fertilizer subjected to fertilizer distribution; the stubble cleaning and soil crushing assembly is used for crushing obstacles in front of the advancing direction; the soil loosening and fertilizing assembly comprises a shallow loosening and fertilizing mechanism and a deep loosening and fertilizing mechanism; the vibration anti-blocking assembly comprises a vibration energy conversion mechanism and a high-frequency vibration mechanism; the backfilling assembly comprises a soil moisture filling mechanism and a pressing mechanism; the system has the advantages of being intelligent, multifunctional and high in reliability, and the comprehensive efficiency and quality of fertilization and soil preparation work are effectively improved.
Owner:HEILONGJIANG PROV AGRI MACHINERY ENG SCI INST
Soil preparation machine for garden flower border construction
The utility model provides a land preparation machine for garden flower border construction, which belongs to the technical field of garden construction equipment and comprises a bearing plate, a U-shaped metal arm grip is arranged on one side of the bearing plate, a driver and an openable baffle are arranged on the upper end face of the bearing plate, and a soil cutting knife component is arranged below the openable baffle. The driver drives the earth cutting knife assembly to rotate through the transmission device; a containing box used for containing nutrient soil and fertilizer is arranged above the baffle capable of being opened and closed. The accelerator and the baffle switch are arranged on the U-shaped metal arm grip, the accelerator is connected with the driver, and the baffle switch is connected with the openable baffle; the soil preparation machine can effectively mix nutrient soil, fertilizer and soil in the working process, the soil improvement efficiency is greatly improved, and extra mixing operation time and cost are saved.
Owner:SICHUAN TIANYI ECOLOGICAL GARDEN GRP CO LTD +1
Foundation pit stand column foundation
InactiveCN222477486Ureduce resistanceImprove stabilityExcavationsBulkheads/pilesSoil mixingSpiral blade
The utility model discloses a foundation pit stand column foundation, and relates to the technical field of building foundation pits. The lower end of the fixed pipe is fixedly connected with a spiral blade, so that the lower end of the fixed pipe spirally enters the cement-soil mixing pile; the mounting seat is fixedly connected to the upper end of the fixing pipe, and two mounting plates are fixedly connected to the top of the mounting seat and are symmetrically arranged; and the supporting piece is fixedly connected to the top of the mounting base, and the lower end of the supporting piece is inserted between the two mounting plates and is fixedly connected with the two mounting plates. The resistance of the fixing pipe entering the cement mixing pile is reduced through the spiral blade, so that the construction efficiency is improved, the lower end of the H-shaped steel supporting piece can be inserted between the two mounting plates on the mounting seat, and the two mounting plates are attached to the inner wall of the H-shaped steel groove, so that the stability of the supporting piece is improved; and the upper end of the supporting piece is inserted between the two mounting plates at the bottom of the supporting plate, so that the foundation pit transverse supporting beam is stably supported.
Owner:CHINA CONSTR EIGHTH ENG BUREAU HUAZHONG CONSTR CO LTD
A soil detection device for vegetable planting
ActiveCN222733942UHollow article cleaningPreparing sample for investigationRotational axisAgricultural science
The utility model relates to the technical field of soil detection, and discloses a soil detection device for vegetable planting, including a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located outside the main mechanism, and the main mechanism includes a stirring tank, a feed pipe, a first motor, a rotating shaft, a cleaning brush and a soil stirring rod, wherein the feed pipe is fixedly mounted on the upper end of the stirring tank, the first motor is fixedly mounted on the upper end of the stirring tank, the rotating shaft is fixedly mounted on the transmission end of the lower end of the first motor, the cleaning brush is fixedly mounted on the left and right ends of the rotating shaft, and the soil stirring rod is fixedly mounted on the left and right ends of the rotating shaft. The soil detection device for vegetable planting drives the rotating shaft to rotate by the first motor, and the cleaning brush and the rotating shaft are fixedly mounted, so that the cleaning brush can rotate on the inner wall of the stirring tank to scrape off the soil sticking on the inner wall of the stirring tank, so that the device can easily scrape off the soil on the inner wall of the stirring tank.
Owner:XIANGYUN JISHENG PLANTATION MANOR CO LTD
Movable type in-situ rapid emergency repairing and recycling equipment for polluted soil
Owner:山东省土壤污染防治中心 +1
Stiff composite pile construction detection method based on quantum technology and electromagnetic geophysical prospecting method
The invention discloses a stiff composite pile construction detection method based on a quantum technology and an electromagnetic geophysical prospecting method, which comprises the following steps of: constructing a peripheral cement soil pile and a core pile, and doping an electromagnetic sensitive material into a cement soil curing agent; a quantum gravity gradiometer and an electromagnetic induction instrument which are integrated on construction equipment are used for collecting gravitational field and electromagnetic field data of a construction area in real time in the whole process of cement soil stirring and core pile pressing-in; the density, the water content distribution and the uniformity of the cement soil are inversed and regulated in real time, and an unfavorable geologic body is identified; dynamically adjusting construction parameters based on cement soil properties and geological conditions obtained by inversion, and performing targeted reinforcement on a bearing stratum; the pile end stress bubble formation and the pile-soil interaction effect are verified; and based on the multi-source data acquired in the whole process, generating a digital quality file of the single pile for quality acceptance. The method can realize a construction process, namely a detection process, a single pile, namely a sensor, and a global data driving decision.
Owner:沙焕焕
Cement-soil mixing pile construction control system and control method based on soil texture self-adaption
The invention discloses a soil texture self-adaption-based cement-soil mixing pile construction control system and method. The system comprises a depth sensor and a speed sensor which are mounted on a drill rod of a cement-soil mixing pile construction drilling machine; a slurry spraying pressure sensor is mounted at the cement slurry pump; the drilling machine control module is connected with a depth sensor and a speed sensor; the cement slurry pump control module is connected with the pressure sensor, and in the drilling process of the stirring drill rod, the drilling machine control module controls the drill rod to drill at constant power, records the drilling speed in real time and stores the drilling speed and depth; during lifting, the drilling machine control module controls the lifting speed based on the drilling speed and depth, the cement slurry pump control module controls the slurry spraying pressure based on the drilling speed, and if the soil body of the corresponding depth section is hard and the drilling speed is slow, the lifting speed is slowed down, and the slurry spraying pressure is increased; on the contrary, if the soil body of the corresponding depth section is soft and the drilling speed is high, the lifting speed is increased, and the guniting pressure is reduced.
Owner:SHANDONG UNIV
Laying device and method for recycling waste soil
The invention belongs to the technical field of road paving, and discloses a paving device and a paving method for recycling waste soil materials, the paving device comprises a transport vehicle composed of a vehicle head main body and a vehicle body main body, a hopper is arranged on the vehicle body main body, the bottom end of the hopper is communicated with auger conveying equipment, and a discharging mechanism is arranged at the discharging end of the auger conveying equipment; the discharging mechanism is provided with a paving assembly in a linkage mode, and paving materials are rolled through a rolling assembly arranged at the rear end of the vehicle body. According to the invention, the hopper, the auger conveying equipment and the auxiliary material feeding mechanism are arranged on the transport vehicle, so that the laying material is efficiently mixed, and the laying material is synthesized while being used under the assistance of the cooperation of the discharging mechanism and the paving assembly, so that pre-generation of the laying material in a stabilized soil mixing station in the prior art is replaced by field synthesis; therefore, the road paving process is integrated and optimized, and the configuration of special engineering equipment is reduced, so that the road paving efficiency is improved, and the construction cost is reduced.
Owner:KUNMING UNIV OF SCI & TECH
Composite supporting system for excavation of soft soil texture foundation pit
The utility model discloses a composite support system for excavation of a soft soil texture foundation pit, which comprises SMW (soil mixing wall) construction method piles, three-shaft mixing piles and an underground support structure, and the SMW construction method piles are arranged at intervals along the outer side of the foundation pit in the circumferential direction to form an outer enclosure structure. The three-shaft mixing piles are arranged along the inner side of the foundation pit at intervals and located on one side of the SMW construction method piles so as to form an inner reinforcing structure, the underground supporting structure is arranged in the SMW construction method piles and located in the foundation pit, and the underground supporting structure comprises an underground body, horizontal inner supports, stand column piles, latticed columns and adjustable inclined throwing supports. The latticed columns are vertically arranged below the horizontal inner supports, the bottom ends of the latticed columns are inserted into the stand column piles, and the adjustable inclined throwing supports are installed between the side walls of the underground body and a bottom plate of the underground body in an inclined mode. A composite supporting system composed of the composite supporting structure and the underground supporting structure is adopted, and the composite supporting system is suitable for soft soil geologic condition supporting and can provide higher supporting force.
Owner:GUANGZHOU HENGSHENG CONSTR ENG
Method and system for predicting pile-forming strength of cement-soil mixing pile based on ensemble learning
The invention provides a method and system for predicting the pile-forming strength of a cement-soil mixing pile based on integrated learning, and the method comprises the steps: firstly, obtaining a parameter correlation set which comprises the working condition parameters of mixing equipment, the ratio parameters of cement-soil mass and the geological condition parameters of a construction site in the whole construction period of the cement-soil mixing pile, and then constructing a parameter correlation mode; generating a first association mode of the working condition and the matching parameter and a second association mode of the matching and the geological condition parameter, generating a feature association link of an integrated learning framework according to the association modes, and calling the adaptive integrated learning framework to perform multi-mode collaborative prediction on the link to obtain a pile forming strength change trend; and finally, a pile forming quality evaluation link is generated based on the pile forming strength change trend and the preset interval, so that the strength change can be accurately predicted, construction is guided, and the pile forming quality is improved.
Owner:JIANGXI ACAD OF WATER RESOURCES (JIANGXI PROVINCE DAM SAFETY MANAGEMENT CENT JIANGXI PROVINCE WATER RESOURCES MANAGEMENT CENT)
Mechanical type selection control method for large longitudinal slope directional drilling
The invention provides a mechanical type selection control method for large longitudinal slope directional drilling, and belongs to the technical field of directional drilling. Comprising model selection exploration equipment, a base is installed on the surface of the model selection exploration equipment, a hydraulic push rod is installed on one side of the base, a push rail is installed at the output end of the hydraulic push rod, and a control center is installed on the side, away from the base, of the top of the model selection exploration equipment. By arranging the collecting and sampling assembly and the rotating and sealing assembly, the texture distribution integrity of a soil profile is reserved, the accuracy of structural analysis is improved, the integrity of soil of different depths is reserved, the occurrence of a soil mixing state is avoided, the accuracy of data detection is improved, and the selection precision of a directional drilling machine is optimized; in the soil with highly reserved complete tension, the data acquisition efficiency is improved, the data reliability is enhanced, the selection of mechanical equipment in directional drilling operation is accelerated, and the high efficiency and accuracy of construction are ensured.
Owner:中国葛洲坝集团第三工程有限公司
Preparation device and method for flow-state solidified soil
The invention discloses a preparation device and method for flow-state solidified soil, the preparation device comprises a stirring assembly (4) arranged on a high-pressure water source output port and a mixing assembly (3) arranged between the high-pressure water source output port and the stirring assembly (4), through the stirring assembly (4), stirring and mixed powder wet treatment is carried out on a soil material, a curing agent and an additive, and through the mixing assembly (3), the soil material, the curing agent and the additive are subjected to wet treatment. According to the invention, mixing treatment of a soil material subjected to wet treatment of mixed powder, a curing agent and an additive in a water flow state environment is realized, preparation of flow-state solidified soil is realized in mixing treatment of a high-speed double-hedging component, and the technical problem that solidified soil mixing is realized by using a concrete mortar mixer truck is solved; therefore, the preparation effect of the solidified soil is improved.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
Intelligent cement-soil mixing pile machine
PendingCN121531309ATelemetry/telecontrol selection arrangementsParticular environment based servicesData connectionSoil mixing
The invention discloses an intelligent cement-soil mixing pile machine, which relates to the technical field of building equipment and comprises a pile machine intelligent edge terminal, an intelligent slurrying station subsystem and a cloud platform management subsystem, the pile machine intelligent edge terminal is integrated on a cement-soil mixing pile machine; the intelligent slurrying station subsystem is located on a construction site; the cloud platform management subsystem is deployed in a remote server; data connection is established between the pile machine intelligent edge terminal and the intelligent pulping station subsystem through a first wireless communication network, and the first wireless communication network is a LoRa long-distance radio micropower wireless network; data connection is established between the pile machine intelligent edge terminal and the cloud platform management subsystem through a second wireless communication network. According to the invention, the crossing from a'fixed formula 'to a'dynamic formula' is realized, the quality uniformity and reliability of the pile body are ensured, the ineffective operation is reduced through optimal control, and the cost of materials such as cement and the like can be obviously saved.
Owner:CCCC THIRD HIGHWAY ENG CO LTD
Foundation pit supporting structure with vertical pre-anchored rigid and flexible double-row piles and design method of foundation pit supporting structure
The invention relates to the technical field of civil engineering, in particular to a foundation pit supporting structure with vertical pre-anchored rigid and flexible double-row piles and a design method thereof, and at least solves one of the problems that an existing foundation pit supporting project is high in cost, high in construction difficulty, and difficult in supporting deformation and safety control. The foundation pit supporting structure comprises a front-row flexible pile, a rear-row rigid pile, a top beam and a passive area reinforcing body. The front-row flexible piles and the rear-row rigid piles are connected with each other through a top beam; vertical anchoring parts are arranged in the rear-row rigid piles; the passive area reinforcing body is arranged on the side, away from the rear-row rigid piles, of the front-row flexible piles and comprises a plurality of single-shaft cement soil mixing piles, and the pile lengths of the single-shaft cement soil mixing piles are decreased in the direction away from the front-row flexible piles. According to the method, the construction safety and stability can be improved, and the engineering cost economy is improved on the premise that the passive area constraint condition and the structure safety of the supporting structure are guaranteed.
Owner:ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE
Soft soil levee slope composite reinforcing method and device based on prestressed corrugated pile emergency support
The invention discloses a composite reinforcing method and device for a soft soil levee slope based on prestressed corrugated pile emergency support, and the method comprises the steps: investigating a to-be-reinforced levee slope and engineering geological conditions in an influence range of the to-be-reinforced levee slope, and obtaining investigation data; calculating by setting a slope stability analysis strategy to obtain a natural state safety coefficient; the state of the to-be-reinforced levee slope is judged, and a state result is obtained; according to a state result, a cement-soil mixing pile temporary construction platform, a composite reinforcing area, a prestress wave-shaped pile and a three-dimensional drainage system are designed; and performing construction preparation and reinforcement construction according to the design scheme. The problems of temporary emergency and permanent splitting, construction disturbance instability, high cost, river channel occupation, difficulty in considering efficiency and ecology and the like in the prior art are solved.
Owner:HUNAN PROVINCIAL WATER CONSERVANCY & HYDROPOWER SURVEY & DESIGN INST GENERAL INST
Cement mixing pile construction parameter optimization method based on rheological property and numerical simulation
PendingCN121902375ADesign optimisation/simulationSpecial data processing applicationsSoil scienceSoil mixing
The invention provides a cement mixing pile construction parameter optimization method based on rheological characteristics and numerical simulation. The cement mixing pile construction parameter optimization method comprises the following steps: S1, test preparation; s2, establishing a rheological model; s3, constructing a CFD (computational fluid dynamics) simulation model; s4, model motion control; s5, grid independence verification is carried out; s6, verifying the reliability of the model; s7, performing parameter optimization analysis; and S8, engineering application. Through a mode of combining indoor tests and CFD simulation, the construction parameters are systematically optimized, and the cement stirring uniformity and the engineering quality are improved.
Owner:天津市博川建设工程有限公司 +1
Double-wheel stirring drilling machine
ActiveCN224213411UAvoid wavy surfacesGuaranteed verticalitySoil-shifting machines/dredgersSlurry wallSoil mixing
The utility model relates to the technical field of groove wall reinforcing construction, in particular to a double-wheel stirring drilling machine which comprises an engineering vehicle and a drilling machine base, a machine frame is arranged on one side of the drilling machine base, a drilling rod is arranged on one side of the machine frame, a lifting machine corresponding to the drilling rod is arranged on the machine frame, a groove milling machine is arranged at the bottom of the drilling rod, and an inclinometer is arranged on the groove milling machine. At least two groups of milling wheels are arranged on the slot milling machine; the bottom of the rack is hinged to the drilling machine base, a connecting frame is arranged on one side of the middle of the rack, a stabilizing rod is arranged between the connecting frame and the drilling machine base, a steel cable is connected to the top end of the drilling rod, and a winch is arranged on one side of the engineering truck. According to the utility model, the milling wheel is used for forming a cement-soil mixing pile with a rectangular groove section in a horizontal axial rotary mixing manner, and a single-shaft or multi-shaft mixing drilling tool is replaced to vertically rotate, so that a cylindrical cement-soil mixing pile is formed, and a wavy surface is prevented from appearing after an underground continuous wall is poured and formed.
Owner:CHINA RAILWAY SHISIJU GROUP CORP +1
Cage type mixer suitable for high-strength deep curing mixing pile construction
This invention relates to the technical field of soil mixing piles and discloses a cage mixer suitable for the construction of high-strength deep-solidification soil mixing piles. The mixer includes a mixing shaft driven by a power source, with multiple fixing rings fitted around its outer periphery. The mixing shaft passes through the center of the fixing rings and is rotatably connected to them. A cylindrical cavity is formed between the fixing rings. The mixing shaft has an inner section passing through the cavity and a lower section extending below the cavity. Multiple inner mixing blades are provided on the inner section, and multiple lower mixing blades are provided on the lower section. Multiple bottom drill teeth are provided at the bottom of the lower section. A grout outlet is provided in the mixing shaft, with a bottom grout outlet at the bottom. The top of the grout outlet is connected to a grouting pump via a grouting pipe. When the mixing shaft drills into the soil, the multiple bottom drill teeth drill downwards into the soil, the multiple inner mixing blades and the multiple lower mixing blades mix the soil, and the multiple fixing rings guide the drilling direction of the mixing shaft.
Owner:SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD
Exploration sampling barrel
The utility model discloses an exploration sampling barrel which comprises a sampling barrel body, the sampling barrel body comprises a drilling ring, the top of the drilling ring is fixedly connected with a sliding rod, the outer surface of the sliding rod is connected with a plurality of separating barrels in a sliding mode, every two adjacent separating barrels are connected in an abutting mode, and the drilling ring is connected with the adjacent separating barrels in an abutting mode. Sample cylinders are arranged in the multiple separation cylinders, every two adjacent sample cylinders abut against each other, and the drilling rings abut against the adjacent sample cylinders; a top cover slides on the top of the sliding rod in a limiting manner, and the top cover is propped against the adjacent sample cylinder and the separation cylinder. According to the soil sampling device, through the arrangement of the drilling ring, the sliding rod, the separating cylinder, the sample cylinder, the top cover, the long rod and the auxiliary sampling plate, after sampling is completed, samples of all depths can be taken out in a layered mode, all soil is prevented from being mixed together, the soil samples of all the depths can be obtained easily, and the auxiliary sampling plate has an auxiliary function and has a lifting effect on the soil; and the separated soil can be discharged conveniently.
Owner:河北省地质调查院(河北省碳中和地学研究中心)
Fan foundation pile foundation construction method
The invention relates to the technical field of fan foundations, and provides a fan foundation pile foundation construction method which comprises the following steps that a cement soil mixing pile is constructed in the center of a prestressed pipe pile, and the diameter of the cement soil mixing pile is larger than that of the prestressed pipe pile; during construction of the cement-soil mixing pile, thin slurry is sprayed during downward drilling for the first time, thick slurry is synchronously sprayed during drilling lifting, the repeated stirring frequency is not less than 2 times, and the cement-soil mixing pile with the pile bottom elevation not higher than the designed bottom elevation of the prestressed pipe pile is formed; before the cement soil mixing piles are solidified, the prestressed pipe piles are pressed into the designed depth; the pile sinking problem in high underground water and dense sandy soil geology can be solved, the physical and mechanical properties of soil around the pile are effectively improved by constructing the cement soil mixing pile with the larger diameter in the center of the prestressed pipe pile, the problem that pile sinking cannot be achieved under the dense sandy soil geology condition can be effectively solved, and the pile sinking method is suitable for various soil layers and hard soil layers containing dense sandy soil and the like; and the application range of the prestressed pipe pile is widened.
Owner:湖南三一智慧新能源设计有限公司
Inner and outer core variable cross-section composite pile and construction method thereof
The invention discloses an inner and outer core variable cross-section composite pile and a construction method thereof.The inner and outer core variable cross-section composite pile comprises an outer core and an inner core, the inner core is a precast concrete pile and comprises a variable cross-section section located on the upper portion and at least one uniform cross-section section located on the lower portion, and the cross-section area of the variable cross-section section is decreased from top to bottom; the variable-section sections and the uniform-section sections are connected through connecting assemblies, every two adjacent uniform-section sections are connected through connecting assemblies, the outer core is a cement-soil mixing pile which is formed in situ on site, part of the section sections of the cement-soil mixing pile are in an expanding mode, and the central axis of the inner core coincides with the central axis of the outer core. The bearing performance, the economical and environment-friendly performance and the construction quality and efficiency of the pile foundation are comprehensively improved.
Owner:CHINA RAILWAY SIYUAN GRP GUANGZHOU DESIGNING INST CO LTD +1