162 results about "Slope stability analysis" patented technology

The invention discloses a slope rainfall infiltration stability dynamic evaluation and landslide prediction method. The method comprises the following steps: constructing a numerical model coupling rainfall infiltration and slope stress field response; integrating multi-source data, and updating model boundary conditions in real time; performing dynamic stability evaluation based on a local safety coefficient method; and training a landslide prediction model and realizing intelligent early warning identification. The seepage-stress-strength three-field coupling numerical model is provided, the physical response process of the unsaturated soil body is dynamically simulated, the precursor mechanism of rainfall-induced landslide can be truly restored, and prediction scientificity and accuracy are improved; remote sensing topographic data, soil property survey parameters and real-time meteorological monitoring information are integrated, model boundary conditions and initial states are dynamically updated through a system interface, real-time response to environmental changes is achieved, and simulation reliability is improved; a local safety coefficient evaluation mechanism is introduced, and a continuous weak region discrimination algorithm is combined, so that space identification and time sequence tracking of a potential slip region and a damage zone are realized, and the slope stability analysis refinement level is improved.

The invention relates to the technical field of fracture network fracture water channel identification, and discloses an identification method for analyzing a dominant flow channel in a three-dimensional fracture network based on a topological network. According to the method, probability distribution parameters such as geometric occurrence, gap width and density of a rock mass multi-scale fracture system in a target area are obtained through field surveying and mapping and three-dimensional scanning, and a spatial topological structure of the three-dimensional fracture system is reconstructed by adopting Monte Carlo method simulation and discrete fracture network modeling technology; secondly, abstracting the fracture network into a three-dimensional topological graph model based on a graph theory principle, defining fracture center points and cross points as graph nodes, and converting fracture sections into weighted edges; the method breaks through the continuous medium hypothesis limitation of traditional seepage analysis, and has important engineering application value in the fields of deep geological energy storage reservoir seepage risk assessment, shale gas fracture network optimization design, rock slope stability analysis and the like; compared with a traditional numerical simulation method, the method has the technical advantages of being high in calculation efficiency, good in prediction precision, high in multi-scale applicability and the like.

The invention relates to the technical field of slope monitoring, and discloses a slope partition anisotropy stability analysis method and device, and the method comprises the steps: obtaining the geological structure information of a slope; building a finite element model according to the geological structure information; carrying out partition anisotropy analysis on the slope rock-soil body based on a finite element model; constructing a partition anisotropy whole-process change analysis model under the dynamic load application; and carrying out coupling analysis processing on the whole-process change analysis model and the seepage field to obtain a slope stability analysis result. According to the method, the finite element analysis model is constructed for the slope, the whole-process change form of rock-soil body strength parameter partition anisotropy is analyzed in a graded load applying mode, the seepage field is coupled for slope stability analysis, and the mechanical behaviors of the slope under different working conditions can be simulated more accurately; and the difference response of rock-soil bodies in different areas in the slope under the stress effect is captured in time.

The invention discloses a slope stability analysis method based on rock and soil characteristics, belongs to the technical field of traffic engineering modeling, and aims to solve the technical problems as follows: exploring a slope instability mechanism; analyzing the reliability of the slope sliding surface system; the influence of the hydraulic effect on the slope stability is avoided. The method specifically comprises the steps that the geological structure, the rock-soil body type and the distribution characteristics of the side slope are surveyed in detail; performing indoor and outdoor tests to obtain mechanical parameters of the rock-soil body; the influence of underground water level change, rainfall infiltration and underground water flow on the slope stability is investigated, then main factor parameters influencing the slope stability are determined, a slope two-dimensional finite element model is established on the basis, investigation parameters are input, and subsequent feedback and improvement are carried out. Therefore, the performance of the slope stability under the influence of complex geological conditions and external factors is explored.

The invention provides a computer-aided slide-resistant pile and anchor cable build-in depth design method, and relates to the technical field of slide-resistant pile and anchor cable design, and the method comprises the following steps: collecting drilling data of an engineering site, and establishing a three-dimensional geologic model containing spatial distribution of each soil layer; determining a feasible range of design parameters; according to the soil layer space distribution and parameters, a slope stability analysis model considering the supporting effect of the slide-resistant piles and the anchor cables is established and used for calculating the slope stability safety coefficient under the given design parameters; and taking the minimum construction cost as a target function, determining an optimization constraint condition according to the slope stability analysis model, carrying out iterative optimization on the design parameters in a feasible range by adopting an optimization algorithm until an optimization convergence condition is met, and outputting an optimal design parameter. The problems that a traditional design method excessively depends on experience, multiple influence factors are difficult to consider, and the calculation efficiency is low can be solved, and the design level of the built-in depth of the slide-resistant pile and the anchor cable is improved.

The invention discloses a tower footing side slope stability limit balance evaluation method under a lightning impulse condition, which comprises the following steps of: simulating a lightning stroke side slope tower test in a laboratory by inputting a potential sliding surface parameter and a rock-soil body material parameter of a certain side slope; calculating to obtain a conversion coefficient of the stress variation of the potential sliding surface of the side slope and heat generated by lightning impulse current, and further obtaining a calculation formula of the stress variation value of the potential sliding surface of the tower footing side slope of the tower under the lightning impulse condition, and taking the stress variation value of the potential sliding surface of the tower footing side slope of the tower under the lightning impulse condition as an input parameter; according to the method, the stability safety coefficient of the slope is calculated, the stability of the tower footing slope under the lightning impulse condition is evaluated according to the stability safety coefficient, accurate evaluation of the stability of the tower footing slope under the condition that the lightning impulse influences the stability of the tower footing slope is achieved, and the accuracy of slope stability analysis under the extreme weather condition is improved.

The invention relates to the technical field of slope stability analysis and landslide disaster prevention and control, in particular to a slope three-dimensional stability calculation method and system based on a potential sliding direction. The method comprises the following steps: acquiring slope point cloud data, and constructing a digital elevation model according to the slope point cloud data; geologic structure data are obtained, and a side slope three-dimensional geologic model is constructed according to the geologic structure data and the digital elevation model; according to the digital elevation model, side slope flow direction and slope runoff characteristics are obtained, and according to the side slope flow direction and the slope runoff characteristics, the potential sliding direction of the side slope is determined; and according to the potential sliding direction of the slope and the three-dimensional geological model of the slope, constructing a three-dimensional stability calculation model of the slope, and according to the three-dimensional stability calculation model of the slope, calculating the three-dimensional stability of the slope. According to the method, the problem that the calculation result is not accurate enough due to the fact that calculation of the three-dimensional stability of the side slope is not comprehensively considered in the prior art is solved.

The invention relates to the field of slope safety monitoring, in particular to a slope stability analysis method and system based on dynamic monitoring data. The invention discloses a slope stability analysis system based on dynamic monitoring data. The slope stability analysis system comprises a dynamic monitoring data acquisition module, a slope state judgment module and a slope collapse risk prediction module. According to the method, the maximum temperature difference value and the rainfall of the target slope area are counted, and when each environment monitoring period starts, early warning threshold values of part of monitoring parameters in each data set are adjusted in a targeted mode; the dynamic adjustment mechanism fully considers the influence of environmental factors on the slope stability monitoring parameters, so that the early warning threshold value is closer to the actual working condition, the accuracy and reliability of slope stability monitoring are effectively improved, the problem of false alarm or missing alarm caused by a fixed threshold value is avoided, and a more accurate monitoring basis is provided for slope safety protection.

The invention relates to a construction method of a potential sliding surface model for two-dimensional slope stability analysis, belongs to the field of engineering disaster prevention and reduction and computer aided design, and particularly provides a construction method of a two-dimensional slope potential sliding surface model in a principal stress deflection mode. According to the method, principal stress deflection is combined with the most unfavorable shearing direction by means of a side slope shear failure physical and mechanical model, a potential sliding surface model capable of effectively showing the actual sliding surface form when the side slope slides is constructed, meanwhile, known boundary conditions of a lower sliding-out point and an upper sliding-out point of the sliding surface are introduced, and the sliding surface is constructed. The method achieves the dual goals of reasonability and simplicity of potential sliding surface generation, further reliably improves the accuracy of slope stability evaluation under complex conditions, further provides powerful scientific guidance for slope collapse range definition and reinforcement area determination, and improves the slope stability evaluation accuracy. The implementation method has the advantages of being high in practicability, wide in application range, good in universality, high in calculation efficiency and the like.

The invention discloses a slope digital twinning construction method based on a patch algorithm. The method comprises the following steps: obtaining probability distribution of key parameters of a rock-soil body; establishing a slope finite element model, and extracting integral point coordinates; generating a parameter unconditional random field; determining an influence range according to coordinates of known points or known measuring lines and real parameter values in an actual physical field, and generating a parameter condition random field obeying standard normal distribution on integral point coordinates by using a patch algorithm; converting into a parameter conditional random field obeying real distribution; calculating to obtain a slope target output response result; known points or known measuring lines are added, so that the conditional random field is closer to a real site, and a reliable slope stability analysis result is obtained. According to the method, the parameter space variability is considered, the patch algorithm is adopted to construct the parameter conditional random field to reflect the real geological condition of the side slope, the method is suitable for the large-scale and sparse sampling site investigation condition of geotechnical engineering, side slope digital twinning is achieved, and a reliable side slope stability evaluation result is obtained.

The invention discloses a slope deformation monitoring method and system for a reservoir dam area, and belongs to the field of electronic data processing. Slope stability estimation under future water flow impact is carried out based on a water flow impact condition danger comparison result and a dam slope stability evaluation result under impact, reinforcement early warning is carried out according to a slope stability estimation result under future water flow impact, and dam slope stability analysis is carried out based on previous water body impact conditions. And meanwhile, the water body danger is compared and judged, the slope stability under future water flow impact is comprehensively estimated and judged, and the safety of the slope is improved.

The invention provides a method for analyzing the dynamic stability of a slope containing a mining cavern group under the action of dynamic and static loads, and belongs to the technical field of analysis of the dynamic stability of the slope containing the mining cavern group. In order to solve the technical problem that complex mechanical behaviors of a slope containing a mining cave group under the dynamic and static load coupling effect are difficult to accurately consider because most of existing slope stability analysis aims at single static load or dynamic load working conditions, the technical scheme adopted by the invention comprises the following steps: collecting end slope mining coal pillars and rock samples of rock stratums overlying the end slope mining coal pillars, and testing physical and mechanical parameters of the rock samples; the physical and mechanical parameters of all the rock stratums are finally selected in combination with related production materials of the mining area; calculating a shear strength parameter of the rock mass after the rock is damaged under the action of cyclic blasting vibration; calculating shear strength parameters of the end slope mining area-evolved weak layer under the action of blasting vibration; the stability of the slope containing the mining cavern group under the blasting vibration effect is calculated; the method is applied to the stability analysis of the power of the slope containing the mining cavern group.

The invention provides a ship lock chamber slope stability analysis method and system, and relates to the technical field of slope stability analysis. The method comprises the following steps: constructing a three-dimensional finite element analysis model corresponding to a ship lock chamber by utilizing a finite element analysis method based on geological and hydrological information of an area where the ship lock chamber is located and current situation information of a ship lock chamber slope; based on the three-dimensional finite element analysis model and the design parameter set of various working conditions, simulating responses of the ship lock chamber slope under different working conditions by adopting a numerical simulation calculation method; constructing a model knowledge graph corresponding to the three-dimensional finite element analysis model, and comparing the response data and the monitoring data of the same monitoring point based on the model knowledge graph to determine whether the accuracy of the three-dimensional finite element analysis model meets a preset accuracy requirement; and analyzing the stability of the ship lock chamber slope under different working conditions to obtain a stability analysis result of the ship lock chamber slope. The accuracy of the stability analysis result is improved.

The invention discloses a slope stability analysis method and system based on data analysis, belongs to the technical field of slope safety analysis, and aims to solve the problems of dependence on hypothesis simplified model and neglect of real-time dynamic change in the prior art. S2, dynamic environment factor analysis; s3, slope stability analysis; s4, establishing an intelligent decision-making and early warning system; s5, system integration and user interaction; s6, performing system optimization and continuous learning; by comprehensively considering complex soil body characteristics such as heterogeneity and anisotropy of the slope and dynamic changes of environmental factors such as external rainfall, meteorology and earthquakes, the system can provide a more real and accurate slope stability analysis result, an intelligent algorithm and a data analysis technology are adopted, and the stability of the slope is improved. The dependence on a simplified physical model and a static hypothesis is reduced, so that the scientificity and the practicability of an analysis result are improved.

The invention relates to the technical field of slope stability analysis, in particular to a joint slope parameterized modeling and analysis method, which comprises the following steps of: performing photogrammetry by an unmanned aerial vehicle to obtain a surface grid model; constructing a controllable high-precision curved surface on the model; generating a three-dimensional joint slope model and a support model; and constructing a numerical model, and carrying out slope stability analysis. According to the method, parameterization application of the process is realized based on a Rhino-Griddle platform and a Python language through the modeling process of three-dimensional real terrain, curved surface construction, block generation, grid model construction and support structure model construction; a complex three-dimensional joint slope model and a support model can be quickly generated based on existing information, a model file which can be exported to 3DEC software is generated, obvious advantages are achieved in multiple aspects, and a real, efficient and universal technical path is provided for three-dimensional joint slope modeling and support effect analysis.

The present invention provides a method for determining the collaborative soil dumping development position during the demolition of the intermediate bridge. First, based on the idea of the area microelement of the spatial surface, the bottom area regarding the demolition length of the intermediate bridge and the volume of the dynamically demolished part of the intermediate bridge are solved. Then, according to the Mohr–Coulomb strength criterion and the spatial characteristics during the dynamic demolition of the intermediate bridge, the soil dumping pressure support body is simplified into a prism, a section is cut at the center position of the soil dumping site, and the increment of the slope support effect of this section is calculated. Finally, based on the concept of the collaborative development of the intermediate bridge and the internal soil dumping site, the development length and the soil dumping elevation of the internal soil dumping site are solved. This lays a foundation for effectively solving the difficult problem of slope stability analysis under the conditions of demolishing the intermediate bridge and developing the internal soil dumping site during pit mining; at the same time, it provides a brand-new idea for the landslide prevention and control technology during the demolition of the intermediate bridge, with great scientific significance.

The invention provides a multi-monitoring data strip mine slope stability analysis method, which comprises the following steps of: obtaining an influence factor w, an influence factor q, an influence factor b, an influence factor g, an influence factor s and an influence factor k, according to the influence factor w, the influence factor q, the influence factor b, the influence factor g, the influence factor s and the influence factor k, the stability d of the slope rock mass is judged, collaborative analysis of multi-dimensional monitoring data is achieved, and the stability of the strip mine slope is judged more accurately. The method is simple in calculation process and beneficial for mine safety technicians to quickly master; and meanwhile, the capital investment of purchasing joint monitoring equipment and analysis software by mine enterprises is reduced.

The invention relates to the technical field of slope reinforcement, and particularly discloses a slope reinforcement system and method for building municipal administration, slope rock mass strain time sequence data is collected through a distributed optical fiber sensing system, slope deformation monitoring data is obtained through a spaceborne interferometric synthetic aperture radar, and a three-dimensional deformation monitoring data set is constructed; an LSTM-rock constitutive model fusing a DFOS strain field and an InSAR deformation field is established, strain time sequence data and deformation data are input into the model for three-dimensional stress field inversion, and shear modulus degradation rate parameters, creep coefficient parameters and displacement increment prediction data are output; shear modulus degradation rate parameters, creep coefficient parameters and displacement increment prediction data are processed, regulation and control strategy codes of anchor rod tensioning force gradients and grouting pressure intervals are generated and uploaded to a control terminal, the precision and timeliness of slope stability analysis are remarkably improved, accurate intervention can be conducted in time according to potential risks of a slope, and the stability of the slope is improved. The probability of geological disasters such as landslide is reduced, and life and property safety of people is protected.

The invention relates to the field of rock and road engineering, and discloses a slope stability analysis method based on data-physical model fusion. Comprising the following steps of S1, multi-source data acquisition and preprocessing, S2, physical model construction and initial simulation, S3, data-physical fusion modeling, S4, model training and optimization, and S5, stability analysis and early warning output. The method aims at deeply fusing a physical mechanism and monitoring data and making up the defects that a pure physical model is sensitive to parameters and a pure data driving model is poor in generalization and interpretability, so that slope stability evaluation and early warning which are higher in precision and generalization ability and have definite physical significance are achieved.

The invention discloses a self-adaptive slope design system and method for an open-pit coal mine, and belongs to the open-pit coal mine mining and slope design technology. Geological condition data, mining process data and road transportation system data of the open pit coal mine are obtained; establishing a slope stability analysis model; calculating an inter-road slope angle and an overall slope angle; and slope design parameters are adjusted in a self-adaptive mode, so that the stability and safety of the slope are ensured. Influences of geological conditions, mining processes and road transportation systems on slope stability are comprehensively considered, slope design parameters can be adaptively adjusted, and safety and stability of the slope are ensured. Meanwhile, the stability of the side slope in the blasting process is further improved through calculation of the super-explosion analysis sub-module. The fluctuation range of the system is reduced to be within 5%, and the safety threshold value is recovered within 2 hours through parameter adjustment. And the slope stripping amount is reduced by 18-22%. The response speed from monitoring to early warning to parameter adjustment completion is less than or equal to 15 minutes, and the false alarm rate of system reliability is less than 0.5%.

The invention discloses a high-precision slope monitoring device based on a Beidou system and a detection method. The method comprises the steps that at least three Beidou positioning base stations and at least three Beidou positioning monitoring stations located at different preset positions of a target slope are arranged; the inclination angle, the soil humidity and the rainfall of the target slope are collected through an inclination angle sensor, a soil humidity sensor and a rain gauge; taking the slope displacement of the target slope as a state variable, and establishing a slope deformation nonlinear state equation according to the inclination angle, the soil humidity and the rainfall; establishing an observation equation between the Beidou positioning data and the slope displacement; establishing a slope stability evaluation model according to the slope deformation nonlinear state equation and the observation equation; and outputting the stability grade and risk early warning information of the target slope according to the slope stability evaluation model. According to the invention, the complex slope stability analysis process is automated through the slope stability evaluation model, the slope stability level and risk early warning information are output, and the evaluation efficiency and precision are improved.

The invention discloses a coal mine slope stability analysis method based on numerical simulation. The coal mine slope stability analysis method comprises the following steps: acquiring strength and permeability data of a rock-soil body through a field investigation point location, processing by adopting a statistical analysis method, obtaining initial parameter statistical characteristics, simulating parameter random distribution of the rock-soil body in a three-dimensional space, and obtaining a heterogeneous parameter distribution field; a finite element analysis method is adopted to calculate stress-strain response of the slope under external load and hydrological conditions, a local stress concentration area is determined, and a slope stability index is obtained; acquiring a local deviation value of a corresponding parameter distribution field for an area where the slope stability index exceeds the range, adjusting the deviation value through an iterative algorithm, and determining an optimized parameter distribution field; and performing finite element analysis again based on the optimized parameter distribution field, judging distribution positions of potential instability points, and determining a final risk boundary according to the distribution positions of the potential instability points. According to the method, the scientificity and reliability of slope stability evaluation are improved.

The invention relates to the technical field of hydroelectric engineering geological survey, in particular to a rock slope stability analysis method. Comprising the following steps: S1, drawing a slope engineering geological sketch map; s2, collecting broken stones and block stones accumulated at the slope angle of the side slope to obtain a broken stone and block stone shape graph; s3, restoring the damaged area of the side slope to obtain a terrain profile map before the damaged area of the side slope is damaged; s4, on the basis of the restored terrain profile map and the slope engineering geological sketch map, determining a specific crack causing damage to the slope damage area; s5, in the slope engineering geological sketch map determined in the step S1, screening out all fractures which are parallel to the fractures determined in the step S4 and form groups, and marking the fractures in the slope engineering geological sketch map; s6, according to all the cracks marked in the slope engineering geological sketch map in the step S5, a slope unstable area is divided; and the potential destructiveness accuracy of the side slope rock is improved.

The invention relates to a geotechnical engineering seismic strengthening technology, in particular to a near-fault earthquake pile-anchor slope stability analysis method based on energy balance. The problem that in the prior art, the stability condition of the side slope under the earthquake action is not easy to analyze is solved. According to the method, a three-dimensional slope calculation model is constructed; a pile-anchor combination collaborative reinforcement mechanism is constructed; a pile-anchor combined failure mode is constructed; and according to the function relation of the limit analysis upper bound method, the safety coefficient of the slope in the combined pile anchor reinforcing state is solved. Aiming at the specific pulse effect and the like of near-fault earthquakes, a state equation is established based on a limit analysis method, and by constructing a pile-anchor reinforcing structure and an energy dissipation balance model, the slope safety coefficient and the change rule of a three-dimensional slip crack surface under different slopes and reinforcing structures under different earthquake effects are rapidly obtained; stability analysis of three-dimensional slope reinforcement is enriched, reference is provided for actual slope engineering, and the actual three-dimensional slope stability can be evaluated more accurately.

The invention discloses a rock slope multi-mode instability probability analysis and risk evaluation method based on a drilling constraint condition random field, and belongs to the technical field of geotechnical engineering and engineering geology. According to the method, the conditional random field which is strictly consistent with the actually measured data is constructed under the condition of limited drilling exploration data, so that the reasonable expression of the spatial heterogeneity of the rock mass mechanical parameters is realized, and the authenticity of a numerical model and the reliability of an analysis result are greatly improved; the defect of insufficient result credibility caused by lack of actual measurement constraint of the unconditional random field is effectively overcome; through a large amount of multi-sample numerical simulation, multiple instability modes possibly occurring on the rock slope under different parameter space distribution conditions can be identified, the occurrence probability of each instability mode is quantitatively calculated, various risks possibly existing on the slope can be comprehensively grasped, only the most dangerous single condition is concerned, and the risk assessment accuracy is improved. And the accuracy and engineering applicability of slope stability analysis and risk evaluation are improved.

The invention discloses a reservoir dispatching method for guaranteeing stability of a reservoir bank slope. The reservoir dispatching method comprises the following steps of collecting various data related to a small reservoir; evaluating the stability of the bank slope of the small reservoir; setting different risk scenes and carrying out risk prediction; formulating a reservoir scheduling scheme according to a risk analysis result; and dynamically adjusting the reservoir scheduling scheme according to the monitoring data. According to the method, the slope stability analysis model comprehensively considering various factors such as water level change and rainfall infiltration is established, the stability condition of the reservoir bank slope under different scheduling schemes can be evaluated more accurately, in the reservoir scheduling process, the maximization of a certain target is not pursued purely any more, and the stability of the reservoir bank slope is improved. Multiple targets such as slope stability, flood control benefits and power generation benefits are considered as a whole, an advanced multi-target optimization algorithm is applied, an optimal balance point among the targets is found, and a scientific and reasonable reservoir dispatching scheme which can guarantee stability of a reservoir bank slope and can also take the flood control benefits, the power generation benefits and the like into consideration is formulated.

The invention relates to a numerical simulation method suitable for soil-rock aggregate slope stability analysis, and belongs to the technical field of soil-rock aggregate slope stability analysis. On the basis of a meshless particle method, rock in any shape is randomly generated by adopting a MonteCarlo random sampling principle, a particle generator of a point containment test algorithm is provided, a geometric model of the earth-rock aggregate slope is analyzed, the model is converted into particles carrying physical quantities, and an SPH numerical model of the earth-rock aggregate slope is constructed; and carrying out stability analysis on the SPH numerical model of the earth-rock mixture slope by adopting an SPH method, and generating a slope accumulative plastic strain cloud picture and a speed and displacement analysis report of a slope monitoring point. The method provided by the invention not only improves the precision of modeling and numerical simulation analysis, but also has very important engineering practical significance for accurately and efficiently predicting the landslide of the earth-rock mixture slope and the behavior thereof after damage.

The invention relates to the technical field of terrain information processing, in particular to an intelligent decision-making system and method for excavation and filling parameters of a reservoir area of a pumped storage power station. The method comprises the following steps: acquiring topographic data of a reservoir area; determining elevation distribution characteristics according to the topographic data of the reservoir area; performing excavation and filling boundary analysis based on the elevation distribution characteristics to obtain excavation and filling boundary data; performing earth-rock volume calculation according to the excavation and filling boundary data to obtain earth-rock balance data; identifying the section excavation and filling unbalance degree based on the earth-rock balance data to obtain excavation and filling deviation data; performing slope stability analysis according to the excavation and filling deviation data to obtain slope stability data; performing leakage risk prediction according to the slope stability data to obtain leakage risk data; and identifying a seepage path according to the seepage risk data. According to the method, excavation and filling parameter optimization is realized based on a topographic information processing technology, and the reservoir area construction decision efficiency is improved.

The invention belongs to the technical field of geotechnical engineering disasters, and particularly relates to an intelligent rainfall simulation system and method for a slope stability experiment. The system comprises an intelligent rainfall simulation unit, a comprehensive monitoring unit, a real-time data fusion and adaptive control unit and a data analysis-visualization unit which are organically unified and matched with one another. According to the invention, intelligent control of the rainfall process can be realized, and the rainfall intensity, raindrop size and rainfall uniformity can be accurately adjusted; the system is high in integration level and high in automation degree, real-time multi-dimensional monitoring can be achieved, and high-precision and real-time analysis of experimental data and automatic risk early warning are achieved. Advanced monitoring means such as DIC full-field strain, optical fibers and acoustic emission are adopted, the experiment precision is remarkably improved, an accurate basis is provided for slope stability analysis and disaster prevention and control, and the method can be applied to the fields of engineering slope safety evaluation, education and public safety and has a good application prospect in the aspects of geological engineering, geotechnical engineering, colleges and scientific research and teaching, emergency drilling and science popularization and the like. And safety and disaster prevention awareness are improved.

The invention discloses a hybrid control method and device for a shear strength test of a rock mass structural plane, and relates to the technical field of physical property analys.The hybrid control method comprises the steps that the stress accumulation state before shear failure is simulated by controlling shear force to be increased or kept according to a preset function relation; judging whether a first condition for converting from the first mode to the second mode is met or not in real time, switching to the second mode when the first condition is met, controlling the position of the sample to remain unchanged, and simulating a stress release state during shear failure; judging whether a second condition for converting from the second mode to the third mode is met or not in real time; when a second condition is met, switching to a third mode, controlling the sample to slide at a constant rate, and simulating a stress retention state after shear failure; and when the accumulated slippage distance of the sample reaches a preset limit value, ending the test. According to the method, full-stage mechanical behaviors from the moment before damage to the moment after damage are reproduced, and accurate data support is provided for slope stability analysis and anti-sliding design.