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144 results about "Water simulation" patented technology
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Simulation test system for underground construction in city
ActiveCN1696417AOvercoming one-way loadingOvercoming the impossibility of groundwater simulationFoundation testingThree dimensional simulationData acquisition
The present invention relates to an urban underground engineering simulation test system, underground water simulation system and data acquisition system, in which the simulation box contains horizontal loading plate, horizontal loading device, vertical loading device and several layers of horizontal water inlet pipes. Said invention can implement three-dimensional simulation test of various urban underground railway engineering, tunnel and anderground cave engineering, ground base an foundation work, special underground construction method, side slope engineering and retaining wall engineering, etc.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
Stratum grouting simulation system
InactiveCN105137048APerfect security warningImprove securityMaterial testing goodsSoil scienceData acquisition
The invention relates to a stratum grouting simulation system, comprising a model load box (2) for containing rock soil, a loading subsystem (3) for loading the rock soil from the top end so as to restore an underground stress field environment, an underground water simulation subsystem (4) for controllably injecting water to the rock soil and discharging the water from the rock soil so as to simulate still water and dynamic water environments, a grouting subsystem (5) for grouting into the rock soil, a data acquisition subsystem (6) for measuring stress, strain and displacement data of the rock soil, and an alarm subsystem (7) for measuring deformation of the model load box (2), pressurizing pressure and grouting pressure and with an alarm function, wherein the side wall of the model load box (2) is provided with a detachable wall plate. The stratum grouting simulation system is lower in cost, and capable of simulating an excavation process, a deeper underground environment, dynamic water and vadose environments.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
System and Method for Simulating Shallow Water Effects on Arbitrary Surfaces
ActiveUS20080177519A1Effective simulationFacilitate real-time fluid controlAnimationImage generationFluid controlWave equation
A system and method for shallow water simulation may provide a framework for solving General Shallow Wave Equations (GSWE) to efficiently simulate 3D fluid effects on arbitrary surfaces using a height field representation. The height field representation may include height columns constructed along surface normals, which may be dependent on a condition of boundary cells adjacent to fluid cells and / or artificial viscosity effects. The framework may provide implicit schemes for solving for the effects of external forces applied to the fluid, including gravity and surface tension, and explicit schemes for solving for advection effects. The system and method may be implemented on general-purpose CPU(s) and / or GPU(s) and may be capable of simulating a variety of fluid effects including: waves, rivulets and streams, drops, and capillary events. In some embodiments, the system and method may achieve real-time fluid control and fluid shape design through user-interaction (e.g., in a graphical painting application).
Owner:ADOBE INC
Method and system for forecasting urban accumulated water by means of rainfall forecasts
ActiveCN106021970APrevent waterloggingThe focus of the inspection is clearSpecial data processing applicationsInformaticsSurface runoffData interface
The invention discloses a method and system for forecasting urban accumulated water by means of rainfall forecasts. The method comprises the steps that rainfall forecast information of a target city is obtained by means of a data interface of a meteorological department, and the rainfall forecast information is converted into rainfall duration data; simulation computation is conducted on surface runoff in the rainfall process and the drainage process according to the rainfall duration data and by combining urban drainage pipe point and pipeline data and geographical information data, and running status data of a drainage pipe network in the drainage process is obtained; calculation is conducted on the water accumulation process by means of a multi-source non-single depression accumulated water simulation method according to the running status data of the drainage pipe network and combination with surface elevation information, raster data of one surface accumulated water depth is correspondingly obtained by conducting calculation on each rainfall time step, all the raster data of the surface accumulated water depths of the whole rainfall duration process are obtained, and the surface accumulated water information data of each preset time is obtained, wherein the accumulated water information data comprises but not limited to the position, depth and range of surface accumulated water.
Owner:TAIHUA WISDOM IND GRP CO LTD
System and method for simulating shallow water effects on arbitrary surfaces
ActiveUS7921003B2Effective simulationEasy to controlAnimationSoftware simulation/interpretation/emulationFluid controlWave equation
Owner:ADOBE SYST INC
Systems and methods for computer simulation of detailed waves for large-scale water simulation
ActiveUS20190362035A1Improve performanceGeometric CADDesign optimisation/simulationComputational scienceFrequency spectrum
Embodiments of the present invention provide a novel method and discretization for animating water waves. The approaches disclosed combine the flexibility of a numerical approach to wave simulation with the stability and visual detail provided by a spectrum-based approach to provide Eulerian methods for simulating large-scale oceans with highly detailed wave features. A graphics processing unit stores a one-dimensional texture referred to as a wave profile buffer that stores pre-computed results at a number of discrete sample points for performing wave height evaluation. The water surface is rendered according to water height values computed using the wave profile, accounting for advection, spatial diffusion, angular diffusion, boundary reflections, and dissipation.
Owner:NVIDIA CORP
Water resource optimal allocation method based on artificial intelligence algorithm
The invention discloses a water resource optimal allocation method based on an artificial intelligence algorithm. The method comprises the following steps that collected hydrometeorology, land utilization types, DEM and hydrogeology are used as input data of a surface water and underground water simulation model, actual measurement data are used for calibrating and verifying related parameters, related model parameters are determined, and a surface water-underground water coupling simulation model is constructed; according to the invention, future climate scene data is combined to predict thewater resource supply and demand of the future area, the water resource supply and demand serves as an input value of the multi-objective planning model, the built multi-objective optimization model is solved through NSGA-II, a reasonable water resource optimal configuration scheme under the future climate change scene is finally obtained, and the method has very important practical significance and practicability.
Owner:GUANGDONG UNIV OF TECH
Rainfall water simulation system and method
The invention relates to the urban rainfall water simulation field, in particular to a rainfall water simulation system and method for different regions. The simulation system comprises a water storage device, a controller, a spray device and an experiment table; the water storage device is connected with the spray device and supplies power for the spray device; the spray device sprays water to the experiment table below the spray device to simulate the rainfall process of the system; the experiment table is provided with a soil simulation region, a road simulation region and a building simulation region higher than the soil simulation region and road simulation region; the road simulation region is provided with a first liquid level sensor used for detecting the water level in the spray process of the spray device; the controller controls the water storage starting / ending of the water storage device and the spray starting / ending of the spray device. The simulation system simulates the rainfall water under different parameters and the rainfall water of different earth surfaces and underground pipe networks.
Owner:BEIJING RES CENT OF URBAN SYST ENG
Real-time shallow water simulation method
ActiveCN102402792AShorten the timeSuitable for drawing needsAnimationOptical propertySimple computation
The invention provides a real-time shallow water simulation method, which comprises the following steps of: simulating optical property of water wave surface to obtain a simulated water wave real-time fluctuation effect diagram; setting a simulated water surface network lighting model to obtain the simulated water surface network lighting model; and carrying out illumination rendering to the simulated water wave real-time fluctuation effect diagram by using the water surface network lighting model to obtain a simulated water wave real-time illumination fluctuation effect diagram. The method can realize water wave effects such as water real-time reflection, water real-time refraction, water real-time fluctuation and the like by simple calculation only.
Owner:KARAMAY HONGYOU SOFTWARE
Model test device of excavating tunnel in transparent soil foundation and test method
The invention discloses a model test device of excavating a tunnel in a transparent soil foundation and a test method. The model test device comprises a model groove, transparent soil, segmented water bags, industrial cameras, laser emitters and a laser movement track; the transparent soil is placed in the organic glass model groove; and the segmented water bags, each of which is provided with a water drainage pipe and a valve, are embedded in the transparent soil. According to the model test device, a tunnel part to be excavated is simulated through the water bags embedded in the model groove, and the tunnel excavating process is simulated through drainage of the water bags. A test method comprises the following steps that the water bags are drained one by one, the industrial cameras are adopted to photograph a laser plane in the drainage process, the three-dimensional deformation characteristic is obtained through software analysis and the like. According to the model test device and the test method, an underground tunnel excavating process needing a very large practical operation space can be simulated through one model test, so that the model is simple, the use is convenient, the test cost is low, and the simulation effect is good; and in addition, internal deformation of a soil body can be measured in real time with high accuracy, and a three-dimensional deformation field is obtained.
Owner:CHONGQING UNIV
Method for process adjustment and risk identification of operation of water resource system of Internet of water
ActiveCN105868868AEfficient use ofImplementation steps are clearGeneral water supply conservationForecastingAutomatic controlWater source
The invention belongs to the technical field of water resource management, and particularly relates to a method for process adjustment and risk identification of operation of a water resource system of Internet of water. The method is characterized in that irrigation water demand information is provided for a regional multi-water-resource optimization allocation model based on real-time perceptual information, and real-time water demand is determined by a real-time water distribution decision-making model; a medium and long term runoff forecasting model is used for forecasting the runoff volume of a drainage basin in the future month by month; a downscaling climate model is used for providing input for a short and medium term hydrologic forecasting model; an underground water simulation forecasting model is used for regulating the level of underground water; a coupled forecasting multi-water-resource optimal dispatching model is combined with all the information to achieve combined dispatching of multiple water resources; a multi-water-resource dispatching model provides a day-by-day runoff water distribution decision, and water flow transportation is achieved through a water resource transportation automatic control unit so that precise distribution can be achieved. The method can be widely applied to drainage basin (region) water resource management, especially efficient utilization of water resources in irrigated areas. Implementation steps are clear, and projects are easy to realize.
Owner:TSINGHUA UNIV
Ground fracture test device and method for simulating fracture dislocation and underground water change
ActiveCN110954680ASimple structureReasonable designEarth material testingFracture DislocationsSoil science
The invention discloses a ground fracture test device and a method for simulating fracture dislocation and underground water change. The device comprises a test model box, a fixed platform and a movable platform, a dislocation adjusting mechanism is arranged at the bottom of the moving platform; a first bottom plate, a first waterproof plate and a first water stop plate are sequentially arranged on the fixed platform from bottom to top, a second bottom plate, a second waterproof plate and a second water stop plate are sequentially arranged on the movable platform from bottom to top, and the dislocation adjusting mechanism comprises a support, a jack and a sliding limiting component. The method comprises the following steps: 1, performing preparation before a test; 2, laying a model soil layer in the model box, burying a sensor and connecting the sensor with a data acquisition instrument; 3, injecting water into the model soil layer; 4, simulating soil layer fracture dislocation of thesimulation model; and 5, simulating underground water level change by model soil layer drainage. The device can simulate the development condition of the ground fissures under the conditions of fracture dislocation and underground water change, and is high in simulation accuracy.
Owner:CHANGAN UNIV
Non-contact type pollutant concentration diffusion detection system and method
ActiveCN104880457ASimple structureReasonable structureChemiluminescene/bioluminescenceFluorescenceEngineering
The invention discloses a non-contact type pollutant concentration diffusion detection system and method. A device part comprises a water-groove still water simulation device, a jet flow simulation device and a camera. The water-groove still water simulation device comprises a water storage box, an experiment water groove, a first constant-flow pump, a first flow guiding channel, a second flow guiding channel, a third flow guiding channel, an overflow channel, a valve, a flow weir plate, a support, a waste liquid collecting box, a water barrel and an LGY-II propeller-type current meter. The jet flow simulation device comprises a liquid storage box, a fourth flow guiding channel, a rotor flow meter, a flow control valve, a T-type porous diffusion device and a jet flow pipe. The non-contact type pollutant concentration diffusion detection system is simple and reasonable in structure, high in generality, convenient to maintain and capable of simulating the concentration diffusion of water body pollution under external conditions; a low-cost free-pollution chemiluminescence reagent is used for replacing an existing fluorescent solution to determine the concentration field of pollutant discharging, the requirement of the device is lowered, and energy is saved.
Owner:浙江量大智能科技有限公司
Two-way rigid body coupling in shallow water simulations
ActiveUS8041550B1Computationally efficientEfficient implementationDesign optimisation/simulationAnalogue computers for heat flowGrid cellMechanics
One embodiment of the present invention sets forth a technique for computing two-way rigid body coupling in a two-dimensional height field simulation, such as a shallow water simulation. Coupling from a rigid body to a fluid is computed using fluid displacement of the body in each grid cell. The body is projected onto a simulation plane to determine which grid cells are covered by the body. Fluid displacement from the body is computed for each grid cell based on displacement within a corresponding vertical column of fluid. Fluid displacement is distributed to neighboring grid cells prior to a height field computation. Coupling from the fluid to the rigid body is computed by integrating forces imparted on the body by the fluid at each grid cell. The integrated forces are used to compute a new position for the body in a subsequent simulation time step.
Owner:NVIDIA CORP
Multi-factor coupling test system for researching instability failure mechanism of foundation pit and side slope
PendingCN113063925AAvoid blind governanceLess investmentEarth material testingUsing mechanical meansTest chamberModel test
The invention discloses a multi-factor coupling test system for researching an instability failure mechanism of a foundation pit and a side slope, and relates to the technical field of research test devices for the instability failure mechanism of foundation pit and side slope engineering. A transparent observation area is arranged on a side panel of a model test box, and a foundation pit or side slope model is arranged in the model test box; a vibration simulation system can apply vibration in the vertical direction and / or the horizontal direction to the model test box; a rainfall simulation system can simulate rainfall in the model test box; an underground water simulation system can inject confined water and / or diving water into the foundation pit or side slope model; a loading system can apply a load to the model slope crest; a temperature control system can control the temperature of the foundation pit or side slope model; and a test system can monitor and collect technical parameters in the soil body in the simulation test process. According to the invention, simulation test research on the deformation and failure process of the foundation pit or the side slope under the multi-factor coupling effect can be carried out, and a reliable basis is provided for stability evaluation and reinforcement treatment of the foundation pit or the side slope.
Owner:NANHUA UNIV
Device for detecting running water type in frozen soil based on tracing technology
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES
Slip zone soil rheological test instrument and slip zone soil rheological test method
PendingCN107167387APrecise test conditionsAccurate measurementMaterial strength using steady shearing forcesSoil scienceControl system
The invention provides a slip zone soil rheological test instrument and a slip zone soil rheological test method, and relates to the field of soil measurement of slip zone soil, the slip zone soil rheological test instrument includes a test box, a shear system, a reservoir water simulation system and a measurement dynamic control system, the reservoir water simulation system comprises a water conveying circulation device and a water seepage component, the shear system includes a first shear box, a second shear box, a normal propulsion device and a shear propulsion device, the water seepage component is connected with both ends of the first shear box and the second shear box, and respectively connected with the first shear box and the second shear box, and the water conveying circulation device is connected with the water seepage component, and is used to convey test water to the water seepage component. Compared with the prior art, the slip zone soil rheological test instrument can measure the long-term strength of landslide-slip zone soil under long-term water immersion and dynamic osmotic pressure conditions, and has the advantages of simple measurement method and accurate data.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
Multifunctional slope model test device
Owner:GUANGXI UNIV
Multi-target optimization management method for underground water in land subsidence region
The invention discloses a multi-target optimization management method for underground water in a land subsidence region, and the method comprises the steps: firstly building an underground water land subsidence analog model; secondly building an optimization management model which comprises two target functions: the total pumping amount and the total land subsidence amount after the mining of underground water; thirdly carrying out the coupling of the underground water land subsidence analog model and the optimization management model; fourthly solving the weighted solution of the two target functions through employing an EMOTS algorithm; finally substituting the weighted solution into the underground water land subsidence analog model, and predicting the condition of land subsidence. The method builds the underground water simulation-optimization coupling model giving consideration to the constraint of land subsidence, employs the multi-target evolution solving technology to achieve the solving of a multi-target optimization management problem, is high in calculation efficiency, and is stable and reliable in calculation result.
Owner:HOHAI UNIV
Reservoir area ice dam damming simulation method based on simplified Shengvian equation set
ActiveCN110909490ASolve the problem of location relying on measured dataSolve the problem of determining the overshooting ability of the sectionClimate change adaptationDesign optimisation/simulationIce waterStream flow
The invention discloses a reservoir area ice dam damming simulation method based on a simplified Saint-Venant equation set. The reservoir area ice dam damming simulation method comprises the steps: S1, determining an ice dam forming period; s2, determining the occurrence position of the ice dam; s3, determining a reservoir capacity curve required by ice dam damming calculation; s4, calculating thewarehousing ice amount and the geometrical morphology; s5, determining a discharge curve required by ice dam damming calculation; for different flow levels, considering the water blocking area of theice dam to obtain the ice-water mixing area under the flow, and back calculating the water level according to the section form to obtain the flow relationship of the water level or the ice level, namely the discharge curve of the section; and S6, performing ice dam flood regulation calculation based on the simplified Saint-Venant equation set. According to the method, under the condition of limited data, the problem that the ice dam occurrence position depends on actual measurement data is solved by utilizing the incidence relation between the reservoir area water level in front of the dam and the reservoir tail ice dam occurrence position and judgment indexes. The section discharge capacity of the head section of the ice dam is analyzed through section hydraulic factors, and the problemof section ice passing capacity determination is solved.
Owner:YELLOW RIVER ENG CONSULTING
Cold water simulation anti-corrosion system inside high-voltage direct-current converter valve
InactiveCN107959404AAvoid corrosionSimple structureWater/sewage treatment by ion-exchangeCooling/ventilation/heating modificationsExpansion tankHigh-voltage direct current
The embodiments of the present invention provide a cold water simulation anti-corrosion system inside a high-voltage direct-current converter valve. The system includes a thyristor, a cooler, a voltage equalizing electrode, a circulating water pump, an expansion water tank, and a controller; the cooler is communicated with the voltage equalizing electrode and the circulating water pump through a pipeline, so that a circulation pipeline can be formed; the circulation pipeline is connected with the expansion water tank; a detection instrument for detecting the concentration of ethylene glycol indeionized water in the circulation pipeline is arranged in the expansion water tank; a liquid adding device used for adding an ethylene glycol solution to the expansion water tank is arranged in theexpansion water tank; and when the current concentration of the ethylene glycol in the deionized water is lower than a preset threshold, the controller controls the liquid adding device to add the ethylene glycol solution to the expansion water tank according to the current concentration of the ethylene glycol and the amount of circulating water. The system provided by the present invention is ofstructural simplicity. According to the system, the ethylene glycol is added to the deionized water, so that the metal corrosion of the cold water system in the high-voltage direct-current valve can be effectively suppressed, and a basis can be provided for solving the problem of the metal corrosion of an inside-valve cold water system in actual production.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
Heterogeneous reservoir horizontal well water control simulation experiment device and experiment method thereof
The invention discloses a heterogeneous reservoir horizontal well water control simulation experiment device and an experiment method thereof. The device comprises a horizontal well shaft, a rock corecylinder, a testing liquid supply device and a monitoring system. The device can effectively simulate the output condition of a horizontal well by a water control process under the condition of different water contents on heterogeneous distribution stratums of a horizontal section and on each layer section, and is used for simulating the production performance of the horizontal well and evaluating the yield increasing effect of a water control technology so as to guide efficient development of the horizontal well.
Owner:CHINA NAT OFFSHORE OIL CORP +1
Device and method for testing thickness of outburst prevention layer for water inrush of tunnel
The invention discloses a device and a method for testing the thickness of an outburst prevention layer for water inrush of a tunnel. The device comprises an underground water simulation device, a tunnel model, a simulated surrounding rock test box, a sensor, a data acquisition device, and a water and mud collection device; the underground water simulation device comprises a water source tank, a water pump, a water pipe and a gathered pressure water tank which are sequentially connected with one another; the gathered pressure water tank is connected with one end of the tunnel model, the otherend of the tunnel model is connected with the simulated surrounding rock test box, a plurality of partition plates, a stress detection unit and a simulated surrounding rock prepared from a similar simulating material are arranged in the simulated surrounding rock test box, the stress detection unit monitors and simulates the stress, the strain and the seepage parameter of the simulated surroundingrock, and the simulated surrounding rock breaks to simulate the water inrush when the pressure of the gathered pressure water exceeds the loading limit of the simulated surrounding rock; the water and mud collection device collects the burst water and mud after the simulation of water inrush; the sensor and the data acquisition device acquire the pressure and the flow of the supplied water flow.
Owner:SHANDONG UNIV
Ripple and foam creation apparatus and method using fluid particle data
InactiveUS20080133191A1Analogue computers for chemical processesComputation using non-denominational number representationAnimationWater particle
A ripple and foam creation apparatus and method using water particle data is provided to create ripples and foam, and detect positions of the created ripples and foam for a water simulation used to create visual special effects in animations or movies. The apparatus includes a water particle grouping module checking grouping types of water particles from received water particle data to selects small water masses, a ripple creation module determining a position for ripple creation by using the checked grouping types, a foam creation module detecting flow of the water particles and calculating a position for foam creation, and a ripple-foam moving / removing module detecting changes of the created foam and ripples over time and removing the created foam and ripples.
Owner:ELECTRONICS & TELECOMM RES INST
Underground water multi-target calculation method based on land subsidence substitution model
ActiveCN108133286AFast convergenceImprove evaluation accuracyForecastingResourcesLearning machineNeighborhood search
The invention belongs to the field of hydrology and water resources and discloses a land subsidence region underground water simulation-optimization calculation solving technology based on an adaptivesubstitution model, namely an underground water multi-target calculation model (SUB-KELM&SMOMA) based on a land subsidence substitution model. According to the technology, a land subsidence simulation subprogram SUB-WT in an underground water simulation program MODFLOW-2005 is adopted to simulate the land subsidence process, and an extreme learning machine method KELM is adopted to train the landsubsidence substitution model; a broad, stable and effective optimization algorithm NSGAII is adopted for an optimization model; and in order to improve the precision of value prediction of dominantindividuals, a neighborhood search method and an adaptive KELM method are adopted to train the land subsidence model. SUB-KELM&SMOMA is the first to consider the problem of a large-scale calculation bottleneck of the land subsidence model, the proposed land subsidence substitution model is coupled to an optimization solving model based on an evolution algorithm, and therefore a fixed technical method system can be provided for realizing the two core projects of reasonable development and utilization of underground water resources in a land subsidence region and land subsidence control and disaster reduction.
Owner:HOHAI UNIV
Ripple and foam creation apparatus and method using fluid particle data
InactiveUS7917343B2Analogue computers for chemical processesComputation using non-denominational number representationAnimationWater particle
Owner:ELECTRONICS & TELECOMM RES INST
Large boiler mounting method based on BIM technology
PendingCN110990914AStable flowGuaranteed stackingGeometric CADResourcesDimensional simulationCollision detection
The invention discloses a large boiler installation method based on the BIM technology. The large boiler installation method based on the BIM technology comprises the following steps that structural professional and electromechanical professional BIM modeling is conducted according to user requirements and an obtained basic model, and a three-dimensional model of a large boiler is obtained; performing collision detection on the three-dimensional model to generate a collision detection report, performing arrangement design on boiler pipelines according to the collision detection report, and optimizing the three-dimensional model to obtain a three-dimensional simulation model of the large boiler; importing the three-dimensional simulation model of the large boiler into visual analogue simulation software; according to the actual installation sequence of the boiler, tasks of all stages are set, installation procedures and construction simulation are carried out, pressure testing and waterfilling simulation is carried out on the generated pipe network model, the installation sequence is determined, and installation construction of the large boiler is completed according to the installation sequence. The large boiler installation method based on the BIM technology is high in construction efficiency and low in construction cost.
Owner:THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG
Bedding rock slope simulation test device under coupling effect of rainfall and underground water
InactiveCN113640501AEasy to adjust the construction planEarth material testingEducational modelsRainfall simulationSoil science
Owner:SICHUAN DEPT OF TRANSPORTATION HIGHWAY PLANNING PROSPECTING & DESIGN RES INST
Physical experiment device for exploring rainfall-induced dangerous rock mass caving mechanism
PendingCN111862760AReal-time observation recordExperimental results are convincingEarth material testingEducational modelsData synchronizationRainfall simulation
The invention relates to a geological disaster physical experiment device, and particularly relates to a physical experiment device for exploring a rainfall-induced dangerous rock mass caving mechanism. The device comprises a fractured dangerous rock body to be tested, dangerous rock body deformation data synchronous acquisition modules, a hydraulic gradient regulator, a rotary adjustable rainfallsimulation system, a dangerous rock body local data processing module, a small double-row in-line signal receiving and transmitting device, a local data receiving center, a full-automatic high-speedcamera, rock and soil debris and a rainfall receiving tank. The dangerous rock body deformation data synchronous acquisition modules are arranged around the periphery of the crack of the dangerous rock body; a gas spring hydraulic supporting rod used for gradient adjustment can actively adjust the local slope surface where the dangerous rock body is located; and the rotary adjustable rainfall simulation system uniformly sprays water at multiple angles to simulate the influence of natural rainfall on the dangerous rock mass caving mechanism. By simulating natural rainfall, a mechanism of inducing dangerous rock mass caving by rainfall is observed, related data of cracks of the dangerous rock mass is collected and recorded, and statistical analysis is carried out on the related mechanism.
Owner:NANCHANG UNIV
Post grouting pile indoor long-term test device for simulating underground water flowing and test method thereof
ActiveCN106248495ASimple processEasy to operateMaterial strength using tensile/compressive forcesWater flowEngineering
The invention discloses a post grouting pile indoor long-term test device for simulating underground water flowing, the post grouting pile indoor long-term test device includes a test box and a dynamic water simulation device, the dynamic water simulation device is used for pouring a water flow into the test box for simulating the underground water flowing, the test box is internally provided with a simulating pile, the lower end of the simulating pile is provided with a slurry outletting hole, the upper end of the simulating pile is connected with a grouting device for cement slurry perfusion; the test box is provided with a lever frame, one end of the lever frame is rotatably connected with the test box, the other end of the lever frame is hung, and the hung end is connected with a weight loading device. The post grouting pile indoor long-term test device for simulating the underground water flowing solves post grouting bearing tests under the condition of simulation of the underground water flowing, the actual grouting process and the cement slurry condensation rate after the grouting can be fully understood, the cement slurry dosage can be clear, cost can be saved, and by post grouting pile indoor long-term tests for simulating the underground water flowing, the rule of grouting pile long-term bearing performance can be disclosed, and the post grouting technology can be more perfect.
Owner:SHANGHAI GREENLAND CONSTR GRP +1
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