176 results about "Water simulation" patented technology

The invention discloses a method for simulating and forecasting flood in a cold highland area based on hydrological and hydrodynamic coupling, and belongs to the technical field of disaster forecasting. The method specifically comprises the following steps: S1, multi-source basic data collection and preprocessing: collecting multi-type and multi-scale basic data for a target cold and cold mountainous area drainage basin; and S2, deep learning correction and fusion of the satellite rainfall data: aiming at the local overestimation and underestimation problems of the satellite rainfall data, a deep learning algorithm is adopted to carry out hour scale correction and fusion. Four types of core data of satellite remote sensing, reanalysis, ground observation and geographic space are collected, total factors of'rainfall-runoff-terrain-underlying surface 'required by flood simulation in the cold and cold mountainous area are covered, simulation one-sidedness caused by lack of data types in traditional modeling is avoided, rainfall and runoff abnormal values are eliminated by adopting a 3-sigma criterion, data formats and spatial-temporal scales are unified, and the modeling efficiency is improved. A standardized data set is formed, and interference of abnormal values, format incompatibility and space-time mismatching on subsequent model input is avoided.

The invention provides a drainage basin mountain torrent debris flow physical process simulation method for risk early warning, which comprises specific research and development contents and corresponding problems and achieves the following purposes: constructing a drainage basin unit database, clarifying drainage basin and channel characteristics, and providing data support based on physical process refined simulation; and carrying out basin hydrological process simulation research on the basis of the SWAT distributed model for improving glacier melt water simulation. A mountain torrent and debris flow disaster whole-process coupling model is constructed, a dynamic data chain is used for connecting watershed hydrology and a channel water and sediment dynamic process, full-link simulation from rainfall to disaster modeling is achieved, a disaster forming mechanism is accurately revealed, a visualization system is integrated through the model, channel disaster dynamic evolution evaluation and risk zoning functions are provided, and the reliability of channel disaster dynamic evolution evaluation is improved. A forecasting system designed in an object-oriented development mode can be seamlessly accessed to a provincial early warning platform, and a systematic solution is provided for early warning of watershed or regional disasters.

The invention provides an urban water network drainage joint scheduling method and system, and relates to the technical field of urban flood control and drainage, and the method comprises the steps: carrying out the fusion processing of multi-source monitoring data, and obtaining a feature vector; inputting the feature vector into a runoff prediction model for runoff prediction to obtain a comprehensive runoff prediction result; based on the comprehensive runoff prediction result, pipe network water flow and surface accumulated water simulation is conducted through a drainage hydraulic model, and a target simulation result is obtained; performing waterlogging risk assessment based on the target simulation result and the monitoring data to obtain a waterlogging risk level; selecting a corresponding scheduling generation mode based on the weather forecast data, the monitoring data and the waterlogging risk level; and determining a corresponding scheduling strategy based on the selected scheduling generation mode and the waterlogging risk level. According to the urban water network drainage joint scheduling method and system provided by the invention, accurate prediction simulation and scientific scheduling are realized, and the drainage efficiency is further improved.

The invention discloses an irrigation area ditch drainage-farmland waterlogging simulation evaluation method. The method comprises the following steps: S1, obtaining meteorological and hydrological data, DEM data, drainage facility vector data and land utilization classification data of a target area; s2, generalizing a drainage system of the irrigation area, and generating nodes, drainage channels and sub catchment area. Shp files; s3, converting the. Shp file into an. Inp file, constructing a parameterized model, and performing parameter calibration and verification on the model; s4, simulating waterlogging conditions under different rainfall and channel siltation situations; s5, extracting overflow node data, and performing flood inundation analysis; and S6, generating a flood risk density map according to the overflow node data. The invention further discloses an irrigation area ditch drainage-farmland waterlogging simulation evaluation system. According to the irrigation area ditch drainage-farmland waterlogging simulation evaluation method and system disclosed by the invention, the problem that ditch drainage simulation and farmland waterlogging risk evaluation cannot be carried out under an irrigation area waterlogging disaster in the prior art is solved.

The invention relates to the technical field of sailboat training instruments, and provides a real-time simulation platform for sailboat exercise training, which comprises a training sailboat used for trainee driving training; the rainwater simulation mechanism is used for simulating the influence of raining on the sight of the driver in rainy days; the water inlet mechanism is used for simulating the influence on the operation of a driver when the training sailboat inclines in rainy days and water enters a cockpit; and the water pumping mechanism is used for simulating internal drainage of the cockpit and recycling recycled water resources. Through the cooperation of the rainwater simulation mechanism, the control mechanism and the water inlet mechanism, the sailboat training simulation platform can simulate the influence of rainwater blowing to a cab from different directions on the sight of a student, can simulate the influence condition of the amount of different rainwater blowing to the interior of the cab from different directions on the sight of the student, and meanwhile, can simulate the influence condition of the amount of rainwater blowing to the interior of the cab from different directions. The sailboat training simulation platform can simulate the influence of rainwater on the deck of the training sailboat entering a cockpit due to the inclination of the boat body on the operation and driving of trainees in rainy days.

The invention relates to a river channel confluence stabilization and efficient calculation method of a distributed hydrological model CASC2D, and the method comprises the steps: employing a semi-implicit local inertial wave method in a river channel unit to carry out the stable solving of a water flow evolution process, effectively inhibiting the numerical oscillation, and improving the model calculation efficiency; meanwhile, parallel computing is carried out on the double-layer nested grid structure of the model through OpenMP, a thread safety control and dynamic scheduling mechanism is matched, synchronous waiting and data competition are remarkably reduced, and the parallel utilization rate is increased. The method is particularly suitable for flood simulation of small and medium-sized watersheds in mountainous and hilly areas, the model calculation efficiency can be improved by 15 times while high-precision simulation is kept, and the risk of numerical instability under the short-time high-intensity rainfall condition is remarkably reduced. The method does not need to depend on a GPU or a distributed cluster platform, has high universality, good portability and engineering realizability, and is suitable for various application scenes such as flood forecasting, risk analysis and real-time scheduling.

The invention relates to the technical field of geological engineering and underground water simulation, and discloses a regional underground water simulation method and system based on a physical mechanism and deep learning, and the method comprises the steps: converting the static attributes of an observation well into the embedding of nodes and edges through a graph neural network, and obtaining spatial features; according to the dynamic input of the observation well, modeling time sequence response of the underground water system under external dynamic driving through a long short-term memory neural network; deep fusion of spatial features and time dynamics is realized through a feature interaction mechanism, and a groundwater level simulation value is generated; combining a water balance constraint with a relative water level consistency constraint between observation wells to jointly construct a composite loss function for quantifying a difference between an analog value and a real observation value, and guiding parameter updating; the time-space dynamic and physical mechanism can be sensed synchronously, and the method is more reliable and efficient.

The invention discloses an irrigation water utilization coefficient evaluation method and system based on irrigation area water use whole process simulation, and relates to the technical field of agricultural water-saving irrigation. Irrigation water utilization information is obtained through multi-source data fusion; based on the irrigation water utilization information, constructing an irrigation area water utilization whole-process simulation model; the whole-process water consumption simulation model for the irrigated area comprises main canal water simulation, field canal water simulation and field crop water simulation; calculating a water delivery utilization coefficient, a water distribution utilization coefficient and a field water utilization coefficient by utilizing the irrigation area water utilization whole-process simulation model; and multiplying the obtained water delivery utilization coefficient, water distribution utilization coefficient and field water utilization coefficient to obtain an irrigation water utilization coefficient. The irrigation water utilization coefficient is accurately measured and calculated, the water utilization efficiency of crops is accurately evaluated, and fine management of water utilization in an irrigation area and water-saving benefit evaluation can be achieved.

The invention belongs to the field of polluted groundwater remediation, discloses a test device and method for photocatalytic regulation and control of the service performance of a permeable reaction barrier, and aims to provide the test device for the service performance of the permeable reaction barrier and improve the test accuracy. The equipment comprises a polluted underground water simulation device, an underground water inlet device, a permeable reaction barrier, an underground water outlet device, a water catchment device, a metering device and a monitoring device, a water outlet of the polluted groundwater simulation device is connected with a water inlet of the groundwater inlet device, the groundwater inlet device, the permeable reaction barrier and the groundwater outlet device are sequentially connected, and a sealing plate capable of moving up and down is arranged on one side, close to the groundwater inlet device, of the permeable reaction barrier; a water outlet of the underground water outlet device is connected with the water catchment device, a water outlet of the water catchment device is connected with the metering device, and the monitoring device is respectively connected with the polluted underground water simulation device, the underground water inlet device, the underground water outlet device, the water catchment device and the metering device.

The invention provides a historical flood inundation dynamic reconstruction method and system based on deep learning, and relates to the technical field of flood simulation, and the method comprises the steps: obtaining a standardized historical flood data set; positioning P terrain cavity deficiency; matching and multiplexing P adaptive filling models in a terrain filling model library according to the P missing feature vectors; carrying out multi-thread parallelization of P terrain cavity deletion; adopting the P corrected terrain structures to carry out pixel-level replacement of P terrain cavity missing to obtain corrected DEM data; and after a two-dimensional hydrodynamic model is constructed based on the corrected DEM data, a hydrodynamic boundary control set is set to drive the two-dimensional hydrodynamic model to execute flood simulation, and a historical flood dynamic evolution process is output. According to the flood simulation method and device, the technical problem that the flood dynamic reconstruction accuracy is affected due to the fact that the flood simulation accuracy is limited due to the fact that topographic data are incomplete and the simulation generalization ability in different areas is insufficient in the prior art is solved, and the flood simulation accuracy is improved.

The invention discloses a cascade reservoir continuous dam break two-dimensional flood simulation method and device and a medium, and relates to the technical field of hydrodynamic modeling and flood disaster simulation. The method comprises the steps that under the condition that the regulation and storage effect of an interval reservoir and the influence of continuous dam break are not considered, on the basis of data related to a cascade reservoir, a flood disaster simulation model is established; carrying out overall two-dimensional modeling on the cascade reservoir to obtain an overall two-dimensional hydrodynamic model and a maximum submerging range; step-by-step segmentation is carried out on the cascade reservoirs according to the number of the reservoirs, two-dimensional modeling is carried out on the reservoirs in each segment, and segment two-dimensional models are obtained; in the step-by-step simulation process, based on the dam break rule of the reservoir in each step, an overall two-dimensional hydrodynamic model or a segmented two-dimensional model is adopted for simulation, and a submerging result of the segmented two-dimensional model of each step is obtained; and superposing the maximum submerging range and the submerging result, and finally generating a cascade reservoir dam break flood risk map. According to the method, the calculation efficiency and accuracy of cascade reservoir continuous dam break simulation analysis can be improved.

The invention relates to the field of disaster prevention and management, and particularly provides an intelligent decision-making method and device for realizing flood simulation prevention in combination with Cesium, and the method comprises the following steps: S1, geographic data access; s2, realizing real-time monitoring and analysis of hydrological conditions; s3, flood simulation model construction comprises hydrodynamic model construction, model parameter setting and optimization, and mechanism real-time updating; s4, processing physical interaction of the water flow by a Chaos physical engine of Unreal Engine, and associating physical data of Chaos through modular logic; s5, integrating an LSTM time sequence prediction model and combining with hydrological real-time rainfall to realize a flood routing trend; s6, displaying key disaster areas and disaster water level conditions by HeatMap; and S7, identifying a nearby refuge point location, and scientifically and reasonably arranging an emergency path. Compared with the prior art, intelligent decision management can be provided for pre-disaster simulation prevention and post-disaster rescue recovery.

The invention discloses a device and method for simulating the freezing and thawing cycle process of collapsible loess in the natural environment, and belongs to the technical field of geotechnical engineering.The device comprises a test box provided with a sample groove, a rainfall simulation system is arranged on the upper portion in the test box, an underground water seepage simulation system is arranged on the lower portion in the test box, and the sample groove is connected with a loading system; a weighing system is arranged at the bottom in the test box, the weighing system is connected with an underground water seepage simulation system, a settlement and internal damage monitoring system is arranged between the weighing system and the rainfall simulation system, and a freezing and thawing circulation system is arranged on the inner side wall of the test box. According to the invention, the natural environment of the loess plateau area can be simulated, and the strength change of the strong salinized soil in the dry-wet process can be tested and researched under the combined action of various factors such as rainfall, load, underground water seepage and freeze-thaw cycle.

The system comprises a water storage container and a control system, a partition plate and a moving plate connected with a driving mechanism are arranged in the water storage container, a sensor system of the control system is used for monitoring state parameters of the moving plate and the water supply flow of the water storage container, and after the target rainfall intensity is determined, the target rainfall intensity is determined; the controller is used for obtaining state estimation of the moving plate based on the state space model and the state parameters of the moving plate, calculating real-time rainfall intensity by combining the water supply flow of the water storage container, and dynamically controlling the driving mechanism to operate in a closed-loop mode with the target of reducing the error between the target rainfall intensity and the real-time rainfall intensity. The movable plate is driven to move relative to the partition plate to adjust the water outlet area, rainfall holes of the water storage container discharge water to simulate rainfall for an irrigation test, dynamic response continuous adjustment of simulated rainfall intensity can be achieved, natural rainfall scenes of different rainfall intensities and modes can be reproduced in a high-precision mode, a reliable test platform is provided for agricultural irrigation research, design is flexible, and the test efficiency is high. The operability is high.

The invention provides an underwater vibration table test device and method, and the device comprises a simulation box which comprises a box body which extends in a first direction and is used for loading water to simulate an underwater environment and providing a carrying table for a first slope at the bottom of the box body; the wave device is arranged in the simulation box and used for generating waves in the first direction; the wave current device is arranged in the simulation box and is used for generating wave current along a first direction; the at least two mounting grooves are formed in the bottom of the simulation box side by side in the first direction and / or the second direction; the vibration device at least comprises a table top, the table top is embedded into the mounting groove, a carrying table is provided for the second side slope, and the vibration device provides vibration in one or more directions of the first direction, the second direction and the third direction for the interior of the box body; wherein the first direction and the second direction are perpendicular to the plane where the table top is located, and the plane where the third direction is located is perpendicular to the table top. The response of the second slope under the action of coupled earthquakes, waves and wave flows can be simulated.

The invention relates to the technical field of soil engineering model tests, and discloses a test system and method for simulating water and mud bursting of a subsea tunnel under the action of vibration, and the system comprises a multi-degree-of-freedom servo feedback vibration module which is used for providing a multidirectional vibration loading platform and feeding back a motor current signal in real time; the visual rock-soil water inrush simulation and multi-field loading module is mounted above the vibration table and is used for accommodating a sample and applying confining pressure and water pressure load; the hierarchical multi-source data acquisition module is communicated with the discharge port and the observation window, and is used for acquiring the outburst mixture and monitoring physical field data; and the intelligent control and risk assessment analysis module is connected with each module to regulate and control loading parameters and invert a catastrophe state based on feedback data. According to the method, a self-adaptive optimization loading mechanism based on the improved particle swarm optimization algorithm is constructed, so that collaborative progressive regulation and control of pore water pressure and vibration frequency parameters are realized, and a critical threshold point of water inrush and mud inrush catastrophe can be accurately captured.

The invention relates to the technical field of underground water simulation, in particular to an underground water numerical simulation method coupled with vegetation ecology. The method realizes bidirectional coupling between groundwater and vegetation ecology through iteration, and specifically comprises the following steps: inverting vegetation coverage based on groundwater burial depth; inversion of actual evapotranspiration is carried out based on underground water burial depth and vegetation coverage; and finally, updating the net supply amount of the groundwater model based on evapotranspiration until convergence. According to the method, a statistical function relation is established to replace a complex physical model, and drainage and overflow cell water levels are corrected in iteration to ensure calculation stability.

The invention discloses a storm surge coupling numerical simulation method and system based on climate change, and relates to the technical field of numerical simulation, and the method comprises the steps: determining the size of a regional grid according to a pre-obtained regional feature, and carrying out the data reconstruction processing of the obtained heterogeneous spatial data based on the size of the regional grid, and obtaining a comprehensive heterogeneous data set; constructing a comprehensive heterogeneous model, performing model coupling to obtain a comprehensive coupling model, and performing friction coefficient adjustment to obtain a storm surge coupling numerical simulation model; performing storm surge simulation on the comprehensive observation data acquired in real time, and evaluating and optimizing the storm surge coupling numerical simulation model to obtain a storm surge simulation model for storm surge coupling numerical simulation under climate change. Through the comprehensive coupling model, the limitation of traditional single water adding simulation is broken through, and the simulation capacity of extreme water level, offshore water adding and composite disaster processes is remarkably improved.

This application discloses a method, device, and medium for simulating two-dimensional floods caused by continuous dam failures in cascade reservoirs. The method relates to the technical fields of hydrodynamic modeling and flood disaster simulation. The method includes: Based on data related to the cascade reservoirs, without considering the regulating and storage function of the interval reservoirs and the impact of continuous dam failures, comprehensively modeling the cascade reservoirs to obtain a comprehensive two-dimensional hydrodynamic model and a maximum inundation range; segmenting the cascade reservoirs step by step according to the number of reservoirs, and performing two-dimensional modeling on the reservoirs in each segment to obtain a segmented two-dimensional model; during the step-by-step simulation, based on the dam failure rules of the reservoirs in each segment, using the comprehensive two-dimensional hydrodynamic model or the segmented two-dimensional model to simulate and obtain inundation results for each segmented two-dimensional model; and finally, overlaying the maximum inundation range and inundation results to generate a cascade reservoir dam failure flood risk map. This application can improve the computational efficiency and accuracy of continuous dam failure simulation analysis for cascade reservoirs.

The invention relates to the technical field of underground engineering visualization, and provides a visual simulation device and test method for shield tunnel seepage fields in different stratums.The device comprises an underground water simulation system, a model box and a data monitoring system, and the underground water simulation system comprises a water inlet mechanism and a water outlet mechanism; the water inlet mechanism and the water outlet mechanism are arranged on the two opposite sides of the model box and communicate with the model box. The model box is filled with transparent soil, and a tunnel model is embedded in the transparent soil; and the data monitoring system is used for acquiring a seepage field speed cloud picture by shooting speckle field images of the transparent soil. According to the scheme, shield tunnel seepage field research on different stratums can be carried out, internal association between stratum permeability characteristics and seepage field distribution is revealed, and early warning mechanisms of underground water levels and flow velocities in various stratums are perfected.

The invention relates to the technical field of building material detection, and discloses a green building material waterproof performance detection device and method.The green building material waterproof performance detection device comprises an operation table, a detection assembly fixedly installed at the top of the operation table and an air blower fixedly installed outside the detection assembly; the detection assembly comprises a detection shell fixedly connected to the top of the operation table, a comparison clamping mechanism is arranged in the detection shell, and through the arranged comparison clamping mechanism, when different environment simulation detection comparison needs to be carried out on the same sample, the comparison clamping mechanism can be used for clamping the same sample; the same samples (such as waterproof coiled materials and waterproof plates) are put into the first clamping opening, the second clamping opening and the third clamping opening respectively; the scouring simulation detection, the spraying simulation detection and the wading simulation detection are sequentially carried out, so that a large amount of detection data can be obtained in a short time, and the effect of improving the detection efficiency is achieved.

The invention relates to an asynchronous coupling method for interactive simulation calculation of surface water and underground water, and the method comprises the following steps: when simulation starts, taking the 0th moment as the current moment n, and initializing the current surface water simulation duration and the current underground water simulation duration; solving a vector at the n + 1 moment based on a two-dimensional shallow water equation; and performing simulation calculation according to the current surface water simulation duration and the current underground water simulation duration until the simulation duration reaches the set simulation time. Compared with the prior art, the method has the advantages that the problem of low calculation efficiency of the coupling time step length of a fixed mode can be effectively solved while the calculation precision is ensured.

The invention discloses a storage tank bottom plate corrosion risk prediction method based on electrochemical testing, and relates to the technical field of oil and gas storage and transportation monitoring, and the method comprises the steps: obtaining an external soil sample and an internal deposited water sample of a to-be-predicted storage tank, and obtaining the original environment parameters of the samples; the method comprises the following steps: respectively constructing a soil simulation solution and a deposition water simulation solution based on an out-tank soil sample and an in-tank deposition water sample, and respectively adding a standard metal sample made of the same material as a bottom plate of a to-be-predicted storage tank into the soil simulation solution and the deposition water simulation solution so as to realize an external corrosion test and an internal corrosion test, obtaining a corresponding corrosion test result; and inputting the original environmental parameters, the corrosion test result and the bottom plate information of the to-be-predicted storage tank into a preset corrosion risk assessment model to perform corrosion risk level prediction on the bottom plate of the to-be-predicted storage tank, and outputting the corrosion leakage risk level of the bottom plate of the to-be-predicted storage tank. And the bottom plate can be effectively inspected and predicted without periodically opening the tank.

The utility model provides a microorganism concrete self-repairing observation device capable of simulating a dynamic water environment, which comprises a test box body, the upper part of the left side wall of the test box body is connected with a water inlet pipe, the bottom of the right side wall of the test box body is connected with a drainage pipe, a bottom plate of the test box body is provided with a bracket system and a temperature control system, and a dynamic water simulation system is arranged in the test box body. According to the device, the dynamic water environment can be simulated, the influence of the dynamic water environment on the self-repairing effect is judged by observing the crack self-repairing condition of the microbial concrete test piece, and the device has relatively high test research value.

The invention discloses a passive maintenance-free anti-floating experiment simulation device and an experiment method. The device comprises a foundation pit simulation box; the water injection simulation box is arranged on the outer side of the foundation pit simulation box, and a water injection cavity is formed between the water injection simulation box and the foundation pit simulation box; the bottom of the building simulation box is located on a soil filling layer at the bottom of the foundation pit simulation box, and the foundation pit simulation box and the building simulation box are connected through a pressure sensor; the passive drainage system is arranged in the fill stratum between the foundation pit simulation box and the building simulation box, a closed loop is formed in the foundation pit simulation box, small holes for water permeation are formed in the passive drainage system, the passive drainage system has a drainage gradient, an outlet pipeline is connected to the lowest point of the drainage gradient, and the outlet pipeline is communicated with the building simulation box. The outlet pipeline is connected with an external metering barrel; the water injection system is used for injecting water into the water injection simulation box. According to the method, the passive anti-floating design structure can be verified, the design parameters can be designed, and the anti-floating limit water level can be calculated.

The invention relates to the technical field of urban hydrological simulation. The invention discloses an urban community surface ponding simulation method considering a roof structure, and the method comprises the steps: obtaining a regional multi-angle picture through an oblique photography unmanned plane, generating an oblique photography model through image processing, and reconstructing a digital surface model according to the oblique photography model; ground data are separated from the DSM through a PMF method, roof data are extracted in combination with building features, mask data are output, other ground features are removed, and building roof elevation grid data are obtained; calculating the gradient of the roof, dividing the gradient into flat and sloping roofs, building drainage structures into roof drainage models, integrating the roof drainage models with the urban community hydrological model considering the roofs, and running to realize surface ponding simulation. The method comprises the following steps: building a high-precision model through an oblique photography unmanned aerial vehicle and a GIS, separating ground data through a PMF, and accurately dividing a flat / slope roof through median filtering and an SVM; special drainage structures are arranged for the two types of roofs; and integrating the roof drainage model and a two-dimensional coupling hydrological model, and outputting an accumulated water thematic map.

The present invention discloses an oil and gas pipeline corrosion resistance detection device, which belongs to the field of pipeline corrosion resistance detection. An oil and gas pipeline corrosion resistance detection device includes a detection box, push-pull rods are slidably connected to both sides of the inner wall of the detection box, the inner ends of the push-pull rods on both sides are fixedly connected to a clamping seat, a pipeline body is installed between the clamping seats on both sides, and a driving part is provided on the detection box to push the clamping seat to fix the pipeline body; the present invention rotates the guide vanes to make the oilfield water simulation liquid continuously circulate through the interior of the pipeline body, and at the same time cooperates with the arrangement of the cross clamp rod, cross groove sleeve rod and pulley group to make the pipeline body rotate, thereby more accurately simulating the dynamic environment of the oil and gas pipeline in actual use, achieving better corrosion detection simulation, helping to obtain more accurate corrosion data, and improving the reliability of experimental results.

The invention relates to the technical field of data processing, in particular to a BIM (Building Information Modeling)-based municipal road water permeability simulation test method, which comprises the following steps: acquiring the daily moisture content of different slope heights; analyzing the influence of capillarity in the slope pavement under different temperatures and humidity on the moisture content to obtain a seasonal environmental influence coefficient; matching to obtain a sliding water content matching pair of the slope height; screening sliding water content matching pairs with similar water content to obtain a daily constant sliding height; analyzing the position relation of the slope height, and obtaining a seasonal water permeability constant coefficient in combination with the seasonal environmental influence coefficient; obtaining the comprehensive permeable influence degree of each slope height by utilizing the pressure influence of the moisture content at the constant sliding height; and performing a municipal road water permeability simulation test by using the comprehensive water permeability influence degree. The invention aims to solve the problem of low water permeability test accuracy caused by seasonal influence on a slope pavement, and achieves the effect of improving the water permeability simulation test accuracy.

A visual device for CO2 ocean storage experiments that can switch between spraying and bubbling, and an experimental method thereof, belong to the field of carbon dioxide storage technology. The system mainly includes a gas-liquid system, a liquid inlet system, a visual reactor system, and a data acquisition and processing system; the visual reactor system realizes different storage modes by means of positive and reverse positions, and a CO2 adjustable liquid nozzle is installed on the reactor body and the reactor body is placed upright. After injecting a seawater simulation solution and controlling the temperature and pressure, liquid carbon dioxide is injected into the water from above at a high flow rate through a booster pump and the droplet sedimentation state is observed. The droplet size is controlled by adjusting the injection flow rate by adjusting the nozzle. When switching microbubbles, the microbubble gas nozzle is replaced and the reactor body is inverted, and gaseous carbon dioxide is injected into the water from the bottom and the rising trend and fate of the bubbles are observed. The present invention can freely switch between two hydrate formation modes to perform larger-scale laboratory ocean storage simulations, and can realize all-round observation of the migration mode of CO2 droplets and bubbles.

The invention relates to the technical field of underground engineering simulation, in particular to an anti-seepage control analysis method and system for a deep foundation pit simulation experiment. The method comprises the steps that an experimental model is divided into a plurality of anti-seepage detection areas, and each anti-seepage detection area is associated with an edge area; an anti-seepage detection area is endowed with an identifier, identifier data are output according to the experiment input condition, and the anti-seepage detection area is obtained; acquiring anti-seepage detection combination area data according to the identifier; performing underground water simulation by adopting the experimental model, and outputting seepage data of the seepage-proofing detection combination area; the system comprises a detection area division module, an identifier endowing module, a combined area acquisition module and a seepage data output module. According to the method, the experimental input condition is converted to output the corresponding identifier data, any anti-seepage detection combination area is combined according to the identifier, the experimental model is adopted for underground water simulation, the seepage data of the anti-seepage detection combination area is output, and the accuracy of evaluating the anti-seepage performance is improved.