136 results about "Pluton" patented technology

The invention relates to a fractured rock stratum water-rich tunnel excavation water inrush early warning method and system. The method comprises the steps that real-time monitoring data in the tunnel excavation process are obtained; based on the real-time monitoring data, predicting by using the water flow inrush prediction model, and generating a water flow inrush amount prediction result; analyzing crack propagation, deformation and instability conditions of the surrounding rock of the tunnel under different excavation parameters through the rock mass damage evaluation model in combination with the real-time monitoring data, and generating a rock mass damage evaluation result; generating a construction optimization scheme based on the water flow inflow prediction result and the rock mass damage evaluation result; comparing the real-time monitoring data with a preset safety threshold value, and judging whether a water inrush risk or a surrounding rock instability risk exists or not; if the real-time monitoring data exceed the preset safety threshold value, a safety early warning signal is triggered, and emergency measures are taken immediately. The method has the effect of improving the safety in tunnel construction.

The invention discloses a method for analyzing the influence of a rock mass multi-scale structure on deep geothermal reservoir circular mining, and relates to the technical field of geothermal resource development and rock mechanics, and the method comprises the following steps: establishing a reservoir rock mass mechanical analysis model and a seepage heat transfer analysis model which simultaneously comprise a microscopic microcrack structure and a macroscopic crack structure; based on the reservoir seepage heat transfer analysis model, reservoir temperature field and seepage field analysis is carried out, and water pressure and temperature distribution results are transmitted to the mechanical analysis model; based on the reservoir mechanical analysis model, reservoir stress and deformation analysis under the heat-water-force coupling effect is carried out, and changes of microcosmic microcrack and macroscopic crack structures in the reservoir rock mass are obtained; the rock mass permeability evolution equation and the porosity evolution equation are adopted to calculate the reservoir rock mass permeability tensor and the porosity, and the reservoir rock mass permeability tensor and the porosity are transmitted to the seepage heat transfer analysis model; and solving the reservoir temperature field, the water pressure field and the mechanical response in the geothermal circulation exploitation process by adopting a seepage heat transfer analysis and mechanical analysis staggered iteration mode. By analyzing the reservoir temperature, the water pressure, the deformation evolution response and the reservoir permeability change in the geothermal exploitation process, geothermal exploitation design and protection can be reasonably carried out, and the application prospect is good.

The invention relates to the technical field of mine coal and rock dynamic disaster prevention and control, in particular to a micro-seismic-based deep coal and rock mass instability dynamic multi-parameter evaluation method. The method comprises the following steps: acquiring waveform data of each micro-seismic event of a deep coal and rock mass through a mine micro-seismic system; according to the waveform data, acquiring a micro-seismic characteristic index set of each micro-seismic event; according to the seismic source position and the micro-seismic characteristic index set of each micro-seismic event, acquiring an energy-based micro-seismic magnitude; according to the micro-seismic magnitude, obtaining a micro-seismic b value corresponding to a preset duration, and according to the micro-seismic characteristic index set, obtaining a micro-fracture type and change trend information of accumulated energy of each micro-seismic event; and according to the micro-seismic energy, the change trend information of the accumulated energy, the frequency, the ringing count, the micro-fracture type and the micro-seismic b value, the dynamic instability fracture risk information of the deep coal and rock mass is obtained. According to the invention, the determination accuracy and efficiency of the instability and fracture risk information can be improved.

The invention discloses a method for evaluating the mineralization potential of porphyry copper-(gold-molybdenum) ore. The evaluation method comprises the following steps: determining candidate rock masses with relatively high mineralization potential according to an oxygen fugacity value of magma zircon and / or a magma water content value of hornblende in a rock sample in an evaluation area; the aluminum saturation index ASI of the candidate rock mass is measured and calculated, the distribution coefficient and the distribution coefficient ratio of Cu, Au and Mo between fluid and melt are determined according to the ASI, simulation calculation is conducted through a Rayleigh fractionation model according to the distribution coefficient and / or the distribution coefficient ratio, and the content ratio of Au to Cu to Mo to Cu of the candidate ore body is obtained. According to the method, the mineralization potential of the porphyry copper ore and the enrichment degree and grade of Cu, Au and Mo of potential ore bodies can be rapidly and accurately evaluated.

The invention relates to a nanoscale grouting method for illite-smectite mixed layer surrounding rock, which is characterized by comprising the following steps of: S1, combined detection of a borehole television and a ground penetrating radar or a geological radar: carrying out rock mass structure detection in a manner of combining the borehole television and the ground penetrating radar or the geological radar, and obtaining a deformation rule of a roadway and surrounding rock in an area; s2, arranging grouting pipes and an exhaust pipe: arranging two long and short grouting pipes and one exhaust pipe in the grouting hole according to the deformation rule of the roadway and the surrounding rock in combination with numerical simulation of rock mass mechanics and the result of the numerical simulation; s3, grouting is conducted, specifically, grouting is conducted in a deep and shallow hole matching grouting mode; s4, secondary splitting grouting reinforcement is conducted, specifically, the mine illite-smectite mixed layer surrounding rock is reinforced through a secondary splitting grouting technology, the unfilled part in the primary grouting process is made up, and it is ensured that all gaps are filled with grout; and the illite smectite mixed layer surrounding rock can be grouted well.

The invention relates to the field of numerical simulation calculation, and particularly discloses a calculation method of a water-rich rock mass fracture grouting diffusion process under a slurry-water mixing effect, which comprises the following steps: (1) respectively calculating the relationship between the width X of a slurry-water mixing area and the grouting time t under one-dimensional fracture and two-dimensional fracture grouting diffusion working conditions; and (2) calculating the relationship between Ry, Rm and t under the two working conditions. And (3) calculating a slurry concentration space distribution equation under the two working conditions. And (4) calculating the spatial distribution equation of the rheological parameters of the slurry under the two working conditions. And (5) respectively calculating grout flow control equations expressed by the grouting flow q under the two working conditions. And (6) calculating a pressure space distribution equation in the grouting diffusion area under the two working conditions. And (7) calculating a relational expression between the grouting pressure and the time at the inlet under the two working conditions. By means of the relational expression, effective prediction of the grouting pressure and the grouting diffusion radius in the grouting diffusion process can be achieved, and the prediction precision of the grouting diffusion process is greatly improved.

The invention discloses a rock mass integrity index Kv determination method under a high crustal stress condition, and relates to the technical field of rock mass basic quality evaluation, and the method comprises the following steps: carrying out field crustal stress test to obtain the crustal stress of a rock mass and the elastic longitudinal wave velocity of the rock mass; if the result of the field crustal stress test is judged to be extremely high crustal stress or high crustal stress, determining a rock mass integrity index Kv according to the following method; a high-pressure rock triaxial dynamic test system is used for carrying out a standard cylinder sample wave velocity stress test for recovering the confining pressure of an original ground stress environment, and the elastic longitudinal wave velocity of the standard cylinder sample considering the confining pressure is obtained. The rock mass integrity index Kv is calculated based on the longitudinal wave velocity of the rock mass and the elastic longitudinal wave velocity of the standard cylinder sample, the rock core unloading effect caused by high ground stress is considered, the actual integrity of the rock mass is accurately reflected, and the problem that the Kv value is too high in a traditional method is solved. By more accurately calculating the Kv value, the rock mass quality is more scientifically evaluated, and a more reliable basis is provided for engineering design and construction.

The invention relates to the technical field of intelligent early warning, and discloses an early warning method and system for ground pressure data of a polymetallic mine upward horizontal stratified stope, and the method comprises the steps: carrying out the time-space registration of the ground pressure data and micro-seismic monitoring data of the polymetallic mine, and obtaining a multi-source heterogeneous monitoring data flow; carrying out coupling analysis on the multi-source heterogeneous monitoring data flow to obtain a ground pressure micro-seismic collaborative feature set; evaluating target stability grades of stope roofs and surrounding rocks in the polymetallic mine; mapping the target stability level to a corresponding ground pressure activity mode in a historical case library in a rock mass quality evaluation knowledge base to obtain a threshold adjustment factor; performing nonlinear correction on the basic risk threshold value of the polymetallic ore to obtain a risk assessment threshold value; comparing the key quantitative indexes in the ground pressure microseismic collaborative feature set with a risk assessment threshold value in real time to assess the current ground pressure risk state of the polymetallic mine, and obtaining graded early warning information; according to the method, the efficiency of early warning of the pressure data of the upward horizontal stratified stope of the polymetallic mine can be improved.

The present invention relates to a quantitative evaluation method for the rockburst proneness of surrounding rock considering the excavation disturbance effect. The basic quality grade, geological strength index, and uniaxial compressive strength of intact rock of the surrounding rock are directly obtained according to the engineering geological exploration data; preliminarily judge whether the surrounding rock has the proneness to rockburst; judge the on-site acoustic wave test conditions of the surrounding rock. If the conditions are not met, the damage factor characterizing the damage degree of the surrounding rock is determined according to the Hoek-Brown strength criterion in combination with the damage situation of the surrounding rock after excavation on-site; if the conditions are met, the acoustic wave velocities at different depths on the surface of the surrounding rock are obtained, and the ranges of the damaged area and the original rock area are determined; the deformation modulus of the rock mass in the original rock area is determined; the rockburst proneness of the rock mass in the original rock area and the damaged area is evaluated; the present invention aims to solve the problem of the cumbersome evaluation process for the rockburst proneness of surrounding rock with different degrees of damage caused by the excavation disturbance effect, so as to realize the rapid evaluation of the rockburst proneness of the surrounding rock.

The invention discloses a mine water sealing layer stability evaluation method based on micro-seismic monitoring, and belongs to the field of mine water sealing layers. The invention discloses a mine water sealing layer stability evaluation method based on micro-seismic monitoring. The method comprises the following steps: S1, identifying a mine water sealing layer area; s2, monitoring the mine water storage area in real time; s3, determining the spatial distribution density and the energy accumulation trend of the micro-seismic events; s4, analyzing the micro-seismic event clustering characteristic and the evolution law of water seal reservoir rock mass fracture; and S5, obtaining a stability evaluation result of the mine water sealing layer. The problem that cross-regional environmental disasters such as water inrush or surface collapse are easily caused in the prior art is solved, the accuracy and reliability of data are ensured, geological analysis and prediction can be more deeply carried out, damage to the environment and cost input are reduced, the activation rule of a hidden structure and the fracture depth of a bottom plate are effectively monitored, and the monitoring accuracy and reliability of the hidden structure are improved. Therefore, the water inrush risk can be predicted and forecasted.

The invention relates to the technical field of mineral resource prospecting exploration, in particular to a prospecting prediction method based on a compound rock mass anatomy porphyry-skarn composite mineralization system. The control factors and formation mechanism of the ore deposit are clarified, and the deep earth dynamics process of porphyry mineralization development is disclosed. Through typical ore deposit fine dissection, the space-time structure characteristics of mineralization in different structural evolution stages are discussed; according to the method, mineral in-situ micro-area surface scanning and sulfide isotope in-situ tracing technologies are utilized to determine occurrence forms of metallogenic elements, restrain activation migration behaviors of microelements, find out sources of metallogenic metal substances, reveal a superposition metallogenic development mechanism and provide theoretical basis and technical support for prospecting exploration.

The invention discloses a method for evaluating rock mass fracture freeze-thaw fracture damage risk based on surface temperature, which comprises the following steps: S1, carrying out data acquisition on a target area based on a multi-source sensor carried by an unmanned aerial vehicle platform, and obtaining fracture geometric parameters, daily surface minimum temperature, daily surface maximum temperature, daily temperature difference and fracture moisture conditions; s2, on the basis of the geometric parameters of the crack, constructing a crack frost heaving force analytical model; obtaining a quantitative relation between the stress intensity factor and the environment temperature; s3, the I-type fracture toughness of the target rock mass is measured, and the critical crack initiation temperature of the rock mass is determined; determining the number of critical freezing and thawing cycles; s4, on the basis of the daily earth surface minimum temperature, the daily temperature difference, the fracture moisture condition and the critical crack initiation temperature, the annual accumulated effective freezing and thawing cycle number is obtained; and calculating a freeze-thaw damage ratio, and carrying out risk quantification and grading. According to the invention, the problem of inaccurate evaluation caused by limitation to local monitoring and lack of an environment factor and material parameter integrated evaluation framework in the prior art is solved.

The invention provides a blasting simulation method and device for crystal intruding rock, and the method comprises the steps: building an initial rock crystal sample uniaxial compression model according to the mesoscopic physical parameters of target crystal intruding rock; generating a cohesive force unit for a contact interface between crystal grains in the uniaxial compression model to obtain a uniaxial compression model of the target rock crystal sample; performing a uniaxial compression simulation test on the uniaxial compression model of the target rock crystal sample to obtain test simulation data, correcting parameters through a back analysis method to obtain target material parameters of a target crystal, and constructing a rock crystal medium blasting construction FDEM model; and according to the rock crystal medium blasting construction FDEM model and the blasting parameters, blasting simulation is carried out on the target crystal intruding rock. Therefore, according to the scheme, by designing the finite-discrete coupling blasting simulation method, the cost can be reduced, the time consumption can be reduced, and the dynamic response rule and the damage mechanism of the rock mass in the blasting process can be quantitatively represented.

The invention provides a complex fractured rock mass grouting geologic model modeling method which comprises the steps that grouting related information is obtained, a grouting geologic model is built based on the grouting related information, and the grouting geologic model comprises a grouting geologic structure model, a grouting environment parameter model and a grouting engineering characteristic model. According to the method, various grouting related information is expressed as a grouting characteristic model through a large-area extrapolation modeling method, a rock mass parameter determination-random modeling method and a discrete fracture network modeling method; comprise a grouting geologic structure model (a rock mass model, a fracture model and a karst cave model), a grouting environment parameter model (a rock mass strength model and a rock mass permeability rate model) and a grouting engineering characteristic model (a slurry material partition model and a grouting pressure model), and verification is carried out based on project field examples of the Zhuang hydro-junction. It is proved that under the condition that the geological condition and the actual grouting construction method are fully considered, the accuracy of the analysis result of the grouting geological model is high.

The invention relates to the technical field of rock mass mechanical property detection and stability evaluation, and discloses a rock mass stability quantitative evaluation method based on disturbance stress and fracture evolution, and the method comprises the steps: collecting the amplitude spectrum of a target rock mass; monitoring and separating internal fracture sound of the target rock mass to obtain fracture frequency; performing amplitude interference analysis on the target rock mass based on the amplitude spectrum and the fracture frequency to obtain a vibration interference factor of the target rock mass; and performing humidity compensation on the vibration interference factor based on the humidity degree in the target rock mass to obtain an environment compensation factor of the target rock mass, predicting the fracture state of the target rock mass based on the environment compensation factor and the inherent strength parameter of the target rock mass, and generating a stability evaluation report of the target rock mass based on the fracture state. According to the method, the problems that in existing rock mass stability evaluation, disturbance stress and fracture evolution dynamic association is not effectively combined, environmental interference is neglected, strength verification is lacked, and evaluation accuracy and reliability are insufficient can be solved.

The invention discloses a construction method of a water-containing rock damage statistical constitutive model considering compaction deformation, which comprises the following steps: carrying out a uniaxial compression test on a rock sample to obtain an axial stress-axial strain curve and a demarcation point in a compaction stage and a linear elasticity stage in the axial stress-axial strain curve; a sigmoid function is introduced, and the constitutive relation of the water-containing rock in the microfracture compaction stage is constructed; acquiring a damage variable after coupling of rainfall damage and stress damage caused by rock moisture infiltration; based on a damage statistical theory, constructing a constitutive relationship between a linear elasticity stage and a damage softening stage after a microfracture compaction stage of the water-containing rock; and constructing a damage statistical constitutive model of the water-containing rock considering compaction deformation. The constitutive curve corresponding to the constitutive model well reflects the compaction characteristic, the elastic characteristic, the damage softening characteristic and other deformation characteristics of the rock mass, and high prediction precision and practical application value are shown.

The invention provides a true triaxial stratified rock disturbance damage anisotropy model and a numeralization method, and the method comprises the following steps: S1, carrying out a true triaxial static test, and researching a peak intensity rule; s2, carrying out a true triaxial multistage disturbance test, and analyzing a disturbance critical intensity rule and anisotropic disturbance damage evolution characteristics; s3, establishing an anisotropic disturbance damage evolution equation; s4, constructing a stratified rock maximum failure constitutive equation under the true three-dimensional stress; s5, constructing a viscoelastic constitutive equation in which the true three-dimensional stress disturbance effect is introduced; s6, compiling the constitutive model established in S5 into a numeralization subprogram; s7, obtaining the maximum failure function parameter of the stratified rock in the peak state; s8, acquiring a three-dimensional disturbance yield function parameter of the stratified rock in a disturbance critical state; and S9, verifying the prediction effect and applicability of the model on the stratified rock disturbance deformation evolution. According to the invention, theoretical characterization of true three-dimensional stress, dynamic disturbance and spatial stratified coupling effect of stratified rock mass deformation and failure is realized.

The invention discloses a hot dry rock resource target region assessment method based on multi-parameter fusion, and the method comprises the steps: dividing resource target region assessment parameters into five index layers: geophysical characteristics, surface geothermal characteristics, geothermal geological conditions, rock mass economy and geological safety; the indexes are further divided into 20 indexes such as gravity and magnetic force abnormity, inhabitation burial depth, earth heat flow value, 5km earth temperature, unit area resource quantity, earthquake area / earthquake activity, residential area / scale and the like. Weights are distributed to the indexes according to importance, the indexes are divided into five grades from a suitable grade to an unsuitable grade, the hot dry rock resource target areas are graded and sorted accordingly, and the optimal target area is optimized. According to the method, hot dry rock resource target region evaluation parameters and grades are subdivided, and target region evaluation conditions are clearer and finer; progressive elimination is adopted, and the evaluation method is reasonable; economic and safety evaluation is increased, and the problems that in the prior art, evaluation parameters of the hot dry rock resource target area are incomplete, and economical efficiency and safety are not considered are effectively solved.

A method and device for sorting lump ore relate to the mining and processing industry, and more particularly to technology for pre-processing ores containing a valuable component that has a low concentration and low mass fraction in the rock mass which correlate with the distribution of the component, or for pre-processing ores containing minerals with low magnetic susceptibility or non-magnetic minerals. The working of the device and the method are based on a 3D electromagnetic method which utilizes two systems: a 3D scanner (1) and an inductive sensor system (3) with electromagnetic coils. The two systems operate in a consolidated manner, with the 3D scanner (1) system acting as a master system and the inductive sensor system (3) acting as a slave system. The inductive sensor system (3) is configured in the form of a matrix (6) of coils, the parameters of which are stored in a computing unit (10). The 3D scanner (1) scans lumps of ore and generates a data array which is also supplied to the computing unit (10), which processes the data array and determines the order of activation of individual sensors.

The invention relates to the field of microorganism reinforced rock-soil bodies, in particular to a test method for reinforcing a discontinuous structural surface of a hydro-fluctuation belt rock body by using microorganisms. The method comprises the following steps: sampling on site and manufacturing a fractured rock mass sample containing a through structural plane; culturing the microbial bacterial liquid, and preparing microbial sludge with urease activity; the method comprises the following steps: uniformly smearing microbial mud on a fissure surface, splicing a fissure rock mass, completely soaking the fissure rock mass in a high-concentration reaction liquid for continuous reaction, and further inducing to generate a calcium carbonate cementitious body to fill the fissure surface; and extracting the pore structure in the rock mass through a CT scanning technology, and evaluating the reinforcing effect. According to the method, the filling uniformity of the fissure surface is remarkably improved, and the problems that a traditional MICP grouting method is low in reinforcing efficiency and uneven in calcium carbonate cementation body distribution are solved. The method has the advantages of being environmentally friendly, efficient and free of pollution, and a new technical thought is provided for treatment of the three gorges reservoir area hydro-fluctuation belt fractured rock mass.

This invention discloses a three-dimensional multi-parameter fusion method and system for igneous rock location, relating to the field of geological exploration. The method includes: acquiring three-dimensional geological parameter data of a target area and preprocessing it to obtain three-dimensional multi-parameter data; using a trained igneous rock classification and recognition model to identify the probability prediction value of the type of each three-dimensional grid in the three-dimensional multi-parameter data; and performing smoothing processing based on the probability prediction values ​​of the three-dimensional grid types and the probability prediction values ​​of neighboring three-dimensional grid types to determine the final type of all three-dimensional grids, thereby obtaining the igneous rock mass type and three-dimensional location. This invention, by aligning and fusing multiple three-dimensional data of the target area and confirming the rock mass type of each three-dimensional grid based on multiple parameters, can accurately identify the rock mass type at each location, thus improving the accuracy of igneous rock mass location.

The present application provides a method for evaluating the mineralization of granite rock masses, which relates to the field of geochemical exploration, including: obtaining sample data and category label data of tungsten-bearing granite, tungsten-tin-bearing granite, and non-ore-bearing granite in a study area; determining a distance matrix based on the sample data; using the first sample of the sample data as the coordinate origin, i.e., the first center of a circle; initializing the positions of the first three centers of the circle using the distance matrix; performing iterative calculations using the distance matrix and the initialized center positions to determine the positions of the remaining n-1 centers of the circle; and using the category and element content as point attributes to evaluate the classification effect based on the position of the center of each sample and the category label data. The present invention improves the TSNE method, realizes the evaluation of the tungsten-tin mineralization capacity of granite, and solves the problem that traditional geochemical mapping cannot clearly distinguish the mineralization of rock masses in a data-driven environment.

The invention relates to the technical field of blasting, and discloses a rock mass longitudinal wave velocity inversion method based on blast hole detonation velocity measurement, which comprises the following steps: drilling a blast hole; explosive and a monitoring probe of monitoring equipment are arranged in the blast hole; detonating the explosive, monitoring and outputting a curve chart that the propagation distance of the detonation wave changes along with the propagation time through monitoring equipment, the longitudinal coordinate of the curve chart being the propagation distance of the detonation wave, and the horizontal coordinate of the curve chart being the propagation time of the detonation wave; according to the distribution condition of each rock stratum in the blast hole, the curve graph is divided into a plurality of curve segments, and each curve segment corresponds to the propagation process of detonation waves in the corresponding rock stratum; the slope of each curve section is calculated, and actually measured explosive detonation velocities of different rock stratums are obtained; and substituting the actually measured explosive detonation velocity into the theoretical formula of the explosive detonation velocity and the longitudinal wave velocity of the rock, and inverting the longitudinal wave velocity of the corresponding rock stratum. Through the inversion method provided by the invention, detonation wave monitoring and longitudinal wave velocity inversion of different rock stratums through which the blast hole passes can be completed through one-time blasting.

This invention discloses a method, medium, and equipment for determining creep parameters of fractured rock masses based on the equivalent medium theory. The method includes: constructing a random fracture network model of fractured rock masses containing multiple sets of structural planes, and generating numerical models of fractured rock masses of different sizes; embedding the viscoelastic-plastic constitutive model of the structural planes into discrete element numerical calculation software; applying constant loads to the numerical models of fractured rock masses of different sizes, conducting numerical creep tests on the fractured rock masses, and obtaining the creep deformation time history curves of each numerical model; performing parameter inversion on the creep curves of fractured rock mass models of different sizes to determine the size range of the CREV (Crew Characterization Equivalent Value) of the fractured rock mass creep characterization unit; obtaining the equivalent viscoelastic creep parameters and equivalent viscoplastic creep parameters of the fractured rock mass; and applying the obtained parameters to long-term slope deformation analysis. This method provides a more reliable theoretical basis for the long-term stability assessment and safety prediction of hydropower, mining, and tunnel projects.

The invention relates to the field of geological recognition, in particular to an axial chain type rockburst disaster-pregnant geological recognition method and device, and the method comprises the steps: obtaining micro-seismic monitoring data in the excavation process of a deeply-buried hard rock tunnel; according to the micro-seismic monitoring data, identifying the axial chain type rockburst disaster-pregnancy area to obtain a disaster-pregnancy area range; calculating the normal vector of the fracture surface according to the disaster-pregnant area range and the micro-seismic monitoring data; establishing a parameter system and constraint conditions required by ST-DBSCAN clustering according to the normal vector of the fracture surface and the micro-seismic monitoring data; sT-DBSCAN clustering processing is carried out according to the required parameter system and constraint conditions, and a micro-seismic event cluster reflecting a potential rock mass structural plane is obtained; and performing three-dimensional reconstruction processing on a rock mass structure network according to the micro-seismic event clustering cluster to obtain a reconstructed three-dimensional geometric model of the axial chain type rockburst disaster-pregnant geology. According to the axial chain type rockburst disaster-pregnant geology three-dimensional geometric model and the construction method thereof, accurate description of a hidden rock mass structure and effective advanced early warning of a rockburst risk are realized.

The present invention discloses a method, storage medium, and device for determining the flow direction of an intrusive rock mass. The method identifies the intrusive rock mass and the bedrock model in the intrusive rock mass within a three-dimensional region, determines the target bedrock model based on the seismic reflection characteristics of the bedrock model, and tracks the target bedrock model to obtain the three-dimensional spatial morphology of the target bedrock model. In addition, based on three-dimensional seismic data, the distribution characteristics of the fault system in the adjacent layers of the intrusive rock mass are determined. Finally, by combining the three-dimensional spatial morphology of the target bedrock model and the distribution characteristics of the fault system, the flow direction of the intrusive rock mass is comprehensively determined based on the correlation between the three-dimensional spatial morphology and the distribution characteristics of the fault system and the flow direction of the intrusive rock mass. This method can effectively determine the flow direction of deep intrusive rock masses, and can also provide a basis for the exploration of igneous rock masses, facilitating the implementation of well site deployment and well trajectory optimization.

The invention discloses a tunnel surrounding rock deformation prediction method based on a geological strength index and a seismic wave method, and the method comprises the following steps: S1, collecting tunnel data at a measurement point, and obtaining the surrounding rock section data of the measurement point; s2, selecting a representative rock surface at the measurement point, calculating a rock mass volume joint number and a structural surface condition factor, and determining a geological strength index value of the measurement point by using the rock mass volume joint number and the structural surface condition factor; s3, establishing a first relation model based on the surrounding rock section and the geological strength index value, wherein the first relation model is used for predicting the geological strength index value of the target point; s4, obtaining the longitudinal wave velocity and the uniaxial compressive strength of the measurement point through the tunnel data, establishing a second relation model based on the longitudinal wave velocity and the uniaxial compressive strength of the measurement point, and predicting the uniaxial compressive strength by the second relation model; and S5, generating the rock mass deformation modulus of the target point based on the predicted uniaxial compressive strength and the geological strength index value of the target point. The problem that the traditional method cannot predict in advance is solved.

The invention discloses a magmatic rock positioning method and system based on three-dimensional multi-parameter fusion, and relates to the field of geological prospecting, and the method comprises the steps: obtaining the three-dimensional data of each geological parameter of a target region, and carrying out the preprocessing of the three-dimensional data to obtain three-dimensional multi-parameter data; identifying a probability prediction value of a type to which each three-dimensional grid belongs in the three-dimensional multi-parameter data by using the trained magmatic rock classification and identification model; and according to the probability prediction value of the belonging type of the three-dimensional grid and the probability prediction value of the belonging type of the adjacent three-dimensional grid, carrying out smoothing processing to determine the final types of all the three-dimensional grids, and obtaining the magmatic rock body type and three-dimensional positioning. According to the method, the rock mass types of the three-dimensional grids are determined based on the various parameters by aligning and fusing the various three-dimensional data of the target area, and the rock mass types of the positions can be accurately determined, so that the rock mass positioning accuracy of the magmatic rock is improved.

This invention discloses an apparatus and method for measuring the residual stress of rock mass under non-uniform temperature, including a sample cell, a heating and temperature control system, and an X-ray diffractometer system. The sample cell includes an upper base and a lower base, and the rock mass sample to be tested is placed in the upper base. The heating and temperature control system includes a thermocouple, a heating element, and a PID temperature controller. By changing the non-uniform temperature evolution process during X-ray diffraction testing through the heating and temperature control system, the non-uniform temperature environment of the rock mass under real working conditions is simulated. In-situ testing of the rock mass under non-uniform temperature conditions is performed using the X-ray diffractometer, and diffraction peak data of the rock mass at each dipping angle ψ is collected using the dipping method, thereby determining the residual stress evolution process of the rock mass at different temperatures. Simultaneously, the rock mass sample can be subjected to stress-relief annealing treatment through the heating and temperature control system to study the changes in residual stress after stress-relief annealing treatment under different non-uniform temperature fields.

The present application provides a dangerous rock mass risk source area identification method and device, comprising: obtaining a dangerous rock mass image, generating dangerous rock mass point cloud data, determining the occurrence information, trace length data and structure surface spacing of the dangerous rock mass structure surface; dividing the dangerous rock mass into multiple sub-regions, and determining the control type structure surface of each sub-region; determining the shear strength of each control type structure surface based on each topographic parameter, wall surface strength, roughness coefficient, normal stress and basic friction angle; determining the uniaxial compressive strength of the rock in each sub-region; determining the radius and normal density of the dominant structure surface group in each sub-region, and determining the integrity coefficient of each sub-region; determining the dangerous rock sensitivity index of each sub-region based on the maximum trace length, the minimum structure surface spacing, the shear strength, the uniaxial compressive strength and the integrity coefficient in each sub-region, and determining the risk source area of the dangerous rock mass based on the dangerous rock sensitivity index of each sub-region. The present application improves the accuracy of the identification result of the dangerous rock mass risk source area.