160 results about "Geological section" patented technology

The invention relates to the technical field of water pollution traceability, and discloses an underground water pollution traceability system based on simulation data, and the system comprises a data collection module which collects real-time data of an underground water monitoring well, soil sampling points and underground water monitoring equipment, and forms a multi-source heterogeneous database; the three-dimensional modeling module is used for constructing a layered geologic body three-dimensional model based on the drilling data, the geological section and the remote sensing image; and the numerical simulation module is used for solving an underground water seepage equation and a pollutant migration equation by adopting a finite difference method of GPU parallel acceleration on the basis of the constructed layered geologic body three-dimensional model. Multi-source monitoring data are accessed in real time through the data acquisition module, online dynamic calculation of an underground water flow field and pollutant migration is achieved in combination with the GPU accelerated numerical simulation module, and the efficiency is effectively improved compared with traditional offline analysis.

The invention discloses a high cut slope stability evaluation method based on multi-source data fusion, and particularly relates to the technical field of data analysis. By integrating topographic data, geological exploration data, remote sensing images, monitoring sensor data and geophysical detection data, an inversion algorithm is adopted to automatically extract abnormal structure features such as shear wave velocity sudden change and resistivity valley, the abnormal structure features and geological profiles are subjected to cross validation to generate an underground structure risk map layer, and a fusion model is combined with machine learning and a mechanical algorithm to obtain an underground structure risk map layer. According to the method, slope stability indexes including the safety coefficient and the sliding probability are comprehensively output, intelligent identification and grading of potential sliding dangerous areas are achieved, finally, an evaluation result is visually displayed in a three-dimensional GIS platform in a layer superposition mode, the identification precision and evaluation scientificity of slope hidden risks are remarkably improved, and the method is suitable for popularization and application. And a more reliable decision basis is provided for early warning and disposal of a high-risk slope.

The invention discloses a discrete element-based three-dimensional fault / fracture network modeling method and device under a backlash pushing and covering system, and relates to the technical field of three-dimensional fault modeling, and the method comprises the steps: building an initialized fault plane model based on the seismic logging information parameters of a target region; extracting stratum parameters of the target area, and determining a deformation process in combination with an equilibrium profile recovery method; the method comprises the following steps: calibrating mesoscopic parameters of discrete elements according to stratum parameters, depositing a first discrete element model, optimizing and generating a second discrete element model, setting boundary conditions to carry out back-flushing pushing-covering simulation, comparing an output result of the second discrete element model with an actual geological section, adjusting model parameters until the output result and the actual geological section are matched, and establishing a three-dimensional fault and fracture network. And analyzing and establishing spatial distribution characteristics of the target area, and carrying out dynamic evaluation and trend prediction on the activity of the three-dimensional fault. According to the method, the geomechanical model is fused, the subjectivity of manual interpretation is overcome, and the problems of fault tip extension and the like in grid reconstruction are effectively avoided.

The invention belongs to the field of geotechnical engineering and engineering geological information modeling, and relates to a stratum-parameter coupling randomness three-dimensional random field modeling and shield construction ground surface settlement rapid prediction method and device based on multi-source data fusion. According to the method, a three-dimensional joint random field acting on stratum types and rock-soil key physical property parameters at the same time can be constructed under the joint constraint of multi-source data such as drilling, geophysical prospecting, geotechnical tests and terrains, and a calibrated, explainable and updatable geological section automatic generation and uncertainty quantification channel is formed; on the premise that geological rationality is guaranteed, section geometry and parameter distribution under the conditions of complex structures and lateral phase change are restored robustly, the accuracy, consistency and interpretability of the three-dimensional geological section are remarkably improved, and a combined uncertainty result which can be directly used for rapid prediction and risk assessment of shield construction settlement is output. The technical problems that a geological section generated by an existing method is not accurate enough, uncertainty is difficult to quantify, and the extrapolation capacity of a complex scene is weak are solved.

The invention provides an urban groundwater inrush risk assessment method based on a three-dimensional grid model and an XGBoost algorithm, and belongs to the technical field of geological disaster early warning. The method comprises the following steps: acquiring geological, environmental and historical disaster data in real time through a multi-source heterogeneous data interface; constructing a heterogeneous grid unit based on three-dimensional geological modeling, and dynamically binding parameters such as underground water level, fault activity and lithologic permeability coefficient; an XGBoost algorithm is combined with second-order Taylor expansion to optimize gradient calculation, and a nonlinear risk assessment model is constructed through Bayesian hyper-parameter tuning and SHAP value feature interpretive analysis; identifying contiguous dangerous areas based on spatial autocorrelation analysis and an adaptive threshold segmentation algorithm; and a risk thermodynamic diagram, geological section superposition and real-time early warning are realized through a 3D GIS platform. According to the method, the problems that a traditional method depends on a linear model, data is single and local risk description is insufficient are solved, and the accuracy, efficiency and engineering practicability of risk assessment are remarkably improved.

The invention relates to the technical field of geological image processing, and particularly discloses a three-dimensional modeling method for a geological section, which is used for solving the problem of how to accurately identify and hide irrelevant geological areas and improve the modeling efficiency in geological three-dimensional modeling. Comprising the steps of data acquisition and preprocessing, geologic model constraint, implicit modeling and machine learning optimization, three-dimensional modeling and graphic rendering optimization, model correction and optimization and dynamic interaction and analysis, and four analysis formulas based on hidden requirements are provided; according to the method, by setting the hiding demand judgment formula for the coal seam, the rock stratum, the mined area and the inactive fault, the geological area irrelevant to target research is screened, the geological three-dimensional modeling process is optimized, the accuracy and efficiency of the model are improved, interference of irrelevant data is reduced, and the method has good application prospects. It is ensured that the mineral resource evaluation result better conforms to the actual geological condition, and the precision and credibility of mineral resource prediction are effectively improved.

The invention discloses a three-dimensional conversion method for a two-dimensional geological profile map, and the method comprises the steps: S100, data obtaining and preprocessing: obtaining an original geological profile map, carrying out the format conversion of the original geological profile map, eliminating overlapped line segments and micro short line segments, and maintaining the topological consistency; s200, conversion parameter calculation is conducted, specifically, drilling coordinates are obtained, and a conversion script is compiled based on the real geodetic coordinates, the two-dimensional profile map coordinates and the azimuth angle; and S300, conversion execution: reading the map subjected to format conversion in the S100 into three-dimensional modeling software, and executing the script language compiled in the S200 to obtain a three-dimensional geological profile map. According to the method, the whole file is converted, the conversion from the two-dimensional geological prospecting line section to the three-dimensional geological section map can be rapidly and integrally completed through the existing software technology and simple script codes so as to be used for three-dimensional geological modeling, a large amount of manpower and material resources can be effectively saved, and the production efficiency can be improved.

The invention discloses a three-dimensional fine geological modeling method for conventional and unconventional oil and gas reservoirs, which comprises the following steps of: firstly, performing multi-source data integrated management: integrating heterogeneous data such as drilling data (lithology and logging curves), a geological profile map, seismic exploration data (seismic waves and induced polarization), construction dynamic data (tunnel face sketches and laser point clouds) and the like; unified storage and dynamic calling are realized; by integrating multi-source data of earthquake, logging, geochemistry and the like, a high-precision three-dimensional model is established, such as a drilling data regularization processing algorithm and a point cloud hole filling algorithm, the problems of inconsistent data formats and space missing are effectively solved, and the geometric precision and topological integrity of the model are improved. Therefore, the problems of difficulty in multi-source heterogeneous data fusion and insufficient model precision in existing oil and gas reservoir three-dimensional geological modeling are solved; through the multi-dimensional data fusion and intelligent modeling technology, the precision of the three-dimensional geologic model of conventional and unconventional oil and gas reservoir development is improved.

The invention provides a three-dimensional surface matrix modeling method based on multi-source data, and the method comprises the steps: calculating a preset interval based on geological profile data, drilling density, terrain curvature and other information, and extracting and estimating virtual drilling data in an area with insufficient original drilling data; the generation of the virtual drill hole effectively fills up the data blank, enriches the drill hole data set, enables the model construction to more comprehensively and accurately reflect the stratum characteristics, and greatly improves the data integrity and the adaptability of the model to the complex geological area. The accuracy of the model is dynamically judged by setting a standard deviation threshold value, and when the standard deviation of the error matrix exceeds the threshold value, the optimization process of the model is triggered, including T IN grid reconstruction and GNN parameter updating; the self-adaptive optimization mechanism can enable the model to be continuously adjusted to adapt to the characteristics of actual geological data, and the precision and reliability of the model are improved.

The invention discloses a TBM construction tunnel unfavorable geological tunnel section ground pre-reinforcement method which comprises the following steps: S1, a tunnel surrounding rock category map is compiled, and surrounding rock categories and stake numbers are marked on the map; s2, the surrounding rock confirmed to be in the V type is rechecked as a target reinforcing area; s3, directional grouting drill hole arrangement; s4, drilling design is conducted in combination with the tunnel excavation design drawing and the drilling task book; s5, drilling equipment is selected; s6, drilling equipment is installed; s7, designing and installing a grouting system; s8, drilling an orifice section; s9, drilling a vertical section; s10, drilling in a deflecting section; s11, horizontal grouting section drilling is carried out; s12, horizontal section bare hole grouting is conducted; s13, lowering a floral tube; s14, grouting the floral tube; s15, the grouting effect is checked; and S16, hole sealing is conducted. Advanced reinforcement grouting is conducted on the tunnel surrounding rock on the earth surface through drilling, the physical and mechanical parameters of the tunnel surrounding rock are improved, the risk of engineering geological problems during tunnel excavation is reduced, and the tunnel construction efficiency is improved.

The invention discloses a geological profile map processing method based on cross-hole CT and drilling information multi-dimensional cooperation, and relates to the technical field of intelligent processing of engineering geological image achievements. Cross-hole CT data can provide continuous distribution information of rock-soil bodies among drill holes, and lithology distribution can be depicted more finely in combination with drilling data; the advantage that cross-hole CT can detect and recognize inter-hole rock-soil body structures is combined with the advantage that drilling can obtain different-depth rock core distribution, the characteristics of the inter-hole rock-soil body structures obtained through the cross-hole CT are combined with artificial intelligence, intelligent correction of engineering geology profile maps with multi-dimensional cooperation of the cross-hole CT and drilling information is achieved, and the engineering geology profile maps with the multi-dimensional cooperation of the cross-hole CT and the drilling information are obtained. The corrected engineering geological profile map is finer and closer to the real situation, and has better reference value for engineering design and engineering decision; the risk of emergencies in the construction process can be reduced through accurate geological information, the requirement for the number of drilled holes can be reduced, and therefore the exploration cost is reduced, and the exploration time is shortened.

The invention belongs to the technical field of three-dimensional geologic modeling, and particularly relates to a three-dimensional modeling method for a structural plane based on strike control and occurrence constraint, which comprises the following steps of: extracting strata, fault strike lines and occurrence data based on a plane geologic map of a modeling target area, and extracting coordinates and azimuth angles of points on the strike lines through a curvature-constrained equal-interval sampling method; generating layer control points in batches by changing the sampling depth in combination with occurrence data; expanding a layer control point set by utilizing a stratum or fault layering point disclosed by a drill hole or a geological section, and further creating an irregular triangulation network of a structural plane; and extracting a structural surface intersection line by adopting a collision detection algorithm, reconstructing a stratum contact relation and a fault network space topological relation, finally obtaining a layer data file of the structural model, and completing data storage and three-dimensional visualization of the model. According to the method, the model of the structural plane such as the stratum and the fault can be quickly established, the spatial topological relation is reconstructed, and data file generation and three-dimensional visualization of the structural model are realized.

The invention discloses a manganese ore deposit exploration effect evaluation method and system based on a spread spectrum induced polarization method, and relates to the technical field of deposit exploration. The method comprises the following steps: constructing a three-dimensional geologic model of a mining area, initially arranging an exploration unit and acquiring actual exploration data, inverting the actual exploration data to generate an initial geologic profile map, performing exploration simulation in the three-dimensional geologic model and acquiring simulated exploration data, acquiring a distortion index and a spatial influence degree of the actual exploration data and constructing an exploration correction model; the exploration unit is reset, corrected exploration data are obtained, and inversion is carried out on the corrected exploration data to generate a corrected geological profile map; the effectiveness of various data obtained in the ore deposit exploration process can be improved, the distribution condition of an ore deposit can be better reflected, and then the accuracy of ore deposit exploration is enhanced.

The invention relates to the technical field of geological modeling, and discloses an underground reservoir three-dimensional geological model construction method and system. The method comprises the following steps: screening drilling data through a preset precision threshold value, correcting topographic data by using a first precision drilling data set to generate a topographic surface model, reversely calibrating a second precision drilling hole, and establishing a multivariate data fusion mechanism; layering standardization is achieved in combination with sedimentary cycle characteristics, aquifer units are automatically divided, and stratum lithology codes are compiled; a three-dimensional model is generated by adopting an implicit modeling method based on modeling boundary constraints, and the model precision is verified through a profile comparison method and a leave-one-out method; and converting the adjusted geological section into a three-dimensional constraint surface to drive the generation of a virtual drill hole so as to realize incremental updating of the three-dimensional geological model. According to the method, the spatial precision of the terrain surface model is remarkably improved, the problem of non-uniform reference of multivariate heterogeneous data is solved, the reliability and accuracy of model construction are improved, the virtual drilling data set is generated, the data are dynamically modeled, and the dynamic updating of the model is realized.

The invention relates to the technical field of computer graphics, in particular to a three-dimensional geological section real-time cutting method and system and a storage medium, and the method comprises the steps: constructing a BVH tree to accelerate the cutting of a three-dimensional geological model, and calculating the projection of intersecting line segments on a cutting surface two-dimensional coordinate system to obtain a projection line segment set; constructing an undirected graph structure based on the projection line segment set; and extracting a closed profile contour based on the undirected graph structure, subdividing a triangular grid, and rendering and displaying. The implementation of the scheme can break through the traditional preprocessing dependence, and improve the profile generation efficiency and the visualization integrity.

The invention relates to the technical field of geological modeling, in particular to a geological modeling construction optimization method suitable for surface mine geological disaster exploration. The method comprises the following steps: fully collecting and integrating geological data and geophysical data, determining a reasonable drilling position by using a scientific geological inversion analysis method, constructing an ore body model by combining drilling sampling data, and constructing a geological profile map by using a GIS (Geographic Information System) to obtain accurate contour parameters so as to construct an original geological three-dimensional model. Meanwhile, a Bayesian method is introduced to calculate probability distribution of the stratum surface, and an original model is labeled and compiled to obtain a final high-precision three-dimensional geological model, so that the defects of a traditional method can be effectively overcome, and the accuracy, reliability and scientificity of geological modeling are improved; and more accurate and comprehensive geological information support is provided for prediction, evaluation and prevention of geological disasters of the surface mine.

The invention discloses an autonomous rock-soil body drilling instrument based on the bionic principle and a drilling method thereof.The autonomous rock-soil body drilling instrument comprises a drill bit, a propelling steering mechanism, an anchoring mechanism, an electric control integrated module and a ground control unit, and the drill bit, the propelling steering mechanism and the electric control integrated module are sequentially connected; anchoring mechanisms are arranged between the drill bit and the propelling steering mechanism and between the propelling steering mechanism and the electric control integrated module; the drill bit is used for cutting a rock-soil body and backwards conveying and discharging the cut rock-soil body to the outside of the drill bit; the propulsion steering mechanism is used for driving the drilling instrument to linearly advance and steer; the anchoring mechanism is used for providing counterforce required by drilling or resetting for the drilling instrument through meshing and separation with surrounding rock and soil bodies; and the electric control integrated module is connected with the ground control unit through an integrated communication cable. The device simulates an anchoring-propelling mechanism of natural organisms, realizes autonomous drilling without an external counter-force device, a slurry protection wall and a probe rod, and has the capabilities of multi-directional drilling, active obstacle avoidance and real-time acquisition of a continuous geological section.

The invention discloses a three-dimensional geologic body spatial interpolation system and method, and belongs to the field of three-dimensional geologic body spatial interpolation, and the system comprises a data collection and judgment module, an interpolation calculation module, a modeling analysis module, a drilling geological point recommendation module, a geological data search and supplement module, and a result output module. The data acquisition and judgment module is used for acquiring drilling geological data, geological profile data, topographic data and geological interface data, setting a matching rule and matching an optimal interpolation algorithm combination; according to the method, accurate matching of geological data and an optimal algorithm, effective processing of abnormal data, rapid positioning of an abnormal area and continuous supplement of key geological information are realized, the accuracy and reliability of three-dimensional geologic body spatial interpolation are remarkably improved, and a powerful technical support is provided for geological exploration and research work.

The invention discloses an ArcGIS-based fault complex structure processing method in geological modeling, which comprises the following steps: collecting related geological data of a research area, laying section lines according to modeling precision and certain density when actual drilling data is lacked, laying virtual drilling points on the section lines, and carrying out modeling on the virtual drilling points; calculating modeling data, including thickness and burial depth, of the underlying stratum of the virtual drill hole through the geological profile map; in combination with geological data and field survey data, finding out basic features of a fault in a modeling area, including a fault angle (alpha) and a stratum thickness (h), and before modeling, arranging a section which has a certain density and passes through the fault according to the step S1; taking the fault plane as a boundary of modeling, and performing independent modeling on geologic bodies on two sides of the fault plane based on ArcGIS; and after the geologic models on the two sides of the fault are built according to the previous steps, the three-dimensional geologic models on the two sides are combined together, so that a complete three-dimensional geologic model capable of reflecting the fault characteristics can be formed.

The invention discloses a settlement degree measuring method and system for bridge design, and belongs to the field of bridge engineering. Geological profile data in a bridge site range is collected, a settlement influence function is constructed based on geological parameters, and a bridge pier load matrix is extracted in combination with bridge design load working conditions; multiplying the settlement influence function by the load matrix to obtain a design settlement initial value of each pier; further calculating a settlement difference value between adjacent piers, constructing a bridge floor elevation deviation function, performing discrete Fourier transform on the bridge floor elevation deviation function, and extracting a dominant frequency characteristic value to judge whether a high-frequency settlement fluctuation behavior exists or not; if the dominant frequency exceeds a preset threshold value, marking the corresponding pier as a settlement sensitive area, and outputting a load adjustment parameter and a foundation elevation correction suggestion; the method can realize prospective identification and parameterized regulation and control of the non-uniform settlement trend in a bridge design stage, has the advantages of high structural adaptability, high prediction precision and the like, and is suitable for bridge foundation optimization design in a complex geological environment.

A high-iron karst geological section comprehensive parameter fine automatic exploration system, including walking wheels, drill bit electrodes, drill bit detectors, drill bit magnetic excitation systems, electrode rotation systems, detector rotation systems, magnetic excitation rotation systems, liquid injection systems, control systems, multi-parameter interpretation systems, power systems, and wireless communication systems; the present application is based on the resistivity method and the wave velocity method, and can be used to explore any depth stratum that can be reached, independent of each other and mutually corroborating to reduce the karst geological multiple solutions, Rayleigh waves and electrical signals can transmit the most suitable signal type and strength according to the geological conditions at the set depth, which can realize the fine and automatic exploration of karst geology and improve the exploration efficiency. The present application also corrects the geological classification method in karst areas, and the corrected method can fully consider the development and particularity of karst, providing a method for the automation of high-iron geological exploration in karst areas and avoiding human errors.

This utility model belongs to the field of auxiliary supports, specifically relating to a portable geological profile measurement auxiliary support. It includes a hollow cylinder with multiple legs hinged to its outer wall. A mounting sleeve is fixedly connected to the top of the hollow cylinder, and a post is inserted into the upper end of the mounting sleeve. A mounting plate is fixedly connected to the top of the post. An inner conical sleeve is threadedly connected to the outside of the mounting sleeve, and a locking mechanism is provided between the inner conical sleeve and the mounting sleeve. This utility model, by setting an external support leg in the hollow cylinder, with the leg hinged to the outer wall of the hollow cylinder, can quickly unfold to form a triangular support structure, adapting to rugged terrain. Simultaneously, a lifting combination of a threaded shaft and a threaded sleeve is set inside the hollow cylinder. The threaded movement of these two components controls the lifting of the base plate at the bottom of the threaded sleeve. Combined with rollers at the bottom of the base plate, it facilitates carrying and transferring on flat surfaces, making it more convenient than traditional manual transport methods.

The application discloses a kind of quantitative description fault inversion process method based on balanced section, comprising the following steps: S1: selecting geological profile;S2: division different inversion stage sequence stratigraphy;S3: determine the geologic time of different activity stages of inversion fault;S4: use balanced section technology to restore the evolution history of inversion fault;S5-S7: calculate the slip distance of different stages inversion fault, and calculate the slip rate, inversion intensity coefficient of different inversion stages;S8: establish equivalent point distance, total slip distance, slip rate and inversion intensity coefficient trend chart with geologic time variation, the application is suitable for basin structural analysis technical field, introduce balanced section technology, can more accurately restore fault inversion process;Moreover, can clearly, accurately, quantitative characterization fault inversion process from fault slip distance, the activity intensity of different stages and inversion intensity etc., facilitate different inversion structure contrast, basin structural analysis etc. work is carried out.

The invention discloses a method and device for recommending a canal project line selection scheme and electronic equipment, and relates to the field of canal project data processing.The method comprises the steps that multi-source geographic information of a target area to be subjected to canal project site selection is fused, and a basic geographic information framework is constructed based on the multi-source fusion information; performing geological stability assessment on different to-be-assessed sub-regions by using a fuzzy logic rule, marking unfavorable geological sections based on geological stability assessment results, preliminarily drawing up N canal route schemes, identifying a matching relationship between each preliminarily drawn-up canal route scheme and a natural resource constraint condition set, and determining the matching relationship between each preliminarily drawn-up canal route scheme and the natural resource constraint condition set; adjusting constraint conditions in the canal line; and comparing and selecting the multiple adjusted canal route schemes by adopting a multi-objective optimization model, and determining a recommended canal route scheme. The technical problems that in the prior art, in the long-distance canal engineering planning line selection process, influences of topography and geology exist, the workload is large, and the cost is high are solved.

The invention discloses a height-adjustable geological exploration device with good stability, which comprises a hollow base, a plurality of moving wheels arranged below the base, a hollow stand column communicated with the base and arranged on the base, a geological profile measuring instrument arranged on the stand column, a motor arranged in the base, an output end of the motor facing upwards and coaxially connected with a cylinder, a lifting mechanism is arranged on the cylinder, the upper end of the lifting mechanism slidably penetrates through the stand column and is connected with a geological profile measuring instrument, a round sleeve rotatably sleeves the cylinder, the round sleeve and the cylinder are detachably connected through a connecting mechanism, the round sleeve is connected with an ejection mechanism, and the lower end of the ejection mechanism slidably penetrates through the bottom face of the base and is connected with a supporting plate; the supporting plate is horizontally arranged and located among the multiple moving wheels, a first reset spring is arranged between the supporting plate and the base, and the device is good in stability, capable of adjusting the height of the geological profiler and low in cost; the invention further discloses an exploration method of the geological exploration device with the good stability and the adjustable height.

The embodiment of the invention provides a complex stratum karst cave volume calculation method and related equipment, and belongs to the technical field of geological survey. The method comprises the following steps: acquiring a geological profile map and a borehole histogram; performing information extraction on the drilling histogram to obtain drilling information of each drilling point location; performing structured processing according to the drilling information of all the drilling points to obtain an original stratum distribution table; performing elevation supplementation on the original formation distribution table according to the geological profile map to obtain a standard formation distribution table; based on the standard stratum distribution table, performing data splitting by taking each stratum as a derivation unit to obtain a plurality of stratum derivation tables; performing three-dimensional model reconstruction according to each stratum derivation table to obtain a stratum interface entity model of each stratum; performing target detection on all the stratum interface entity models according to a preset karst cave label to obtain a target karst cave model; and performing area attribute analysis on the target karst cave model to obtain the target karst cave volume, thereby improving the accuracy of karst cave volume calculation.

The present invention discloses a method, device and program product for automatically generating a mesh of a two-dimensional geological finite element model, which includes steps such as pixelating and dividing a two-dimensional geological profile image into multiple square blocks, determining the mesh size within each square block, identifying and dividing transition elements, and surface supplementation; the present invention determines the mesh size of different geotechnical materials in the two-dimensional geological profile according to the shear wave velocity of the medium, and pixelates the two-dimensional geological profile image according to the global minimum mesh size, laying the foundation for subsequent mesh generation; by dividing the two-dimensional geological profile and determining the local mesh size of each part after division, it is possible to minimize the number of elements in the finite element model while meeting the requirements of calculation accuracy; then, by identifying and dividing transition elements, the requirements of the finite element method for a two-dimensional spatial discrete mesh are met; finally, through the supplementation setting at the surface, the calculation error that appears at the surface steep slope caused by pixelation is reduced.

The invention discloses a two-dimensional stratigraphic structure prediction method and system under the condition of limited borehole observation information, and the method comprises the steps: carrying out the spatial domain discretization of an engineering geological section of a target region, and obtaining a plurality of grid units; constructing state variables of each grid unit, wherein the state variables comprise feature vectors depicting soil engineering properties and labels representing stratum types; then feature prototypes of various stratums are established based on the drilling sample state variables; a stratum classification model containing a data consistency item and a spatial regularization item is constructed, the former quantifies the matching degree of a grid unit and a stratum type, and the latter realizes spatial continuity constraint by punishing stratum transition of adjacent units; and finally solving the model to obtain a two-dimensional stratigraphic structure prediction result. According to the method, the problems of space continuity and engineering reasonability of stratum prediction under the limited drilling condition are effectively solved, and the stability of a prediction result is improved.

The invention discloses a geological anomalous body detection method and system in horizontal drilling well construction and a medium, and belongs to the technical field of mine water disaster prevention and control. Comprising the following steps: acquiring the minimum permeability, the maximum permeability and the average permeability of a stratum in a coal mine area, and a pressurized water diffusion radius; constructing a two-dimensional model of the geological section at the end hole, and carrying out iterative adjustment on the hole pressure of the end hole to enable the pressurized water diffusion radius at the end hole to meet the exploration requirement; three-dimensional models with different drilling lengths are constructed, and the tapping water pressure of the corresponding drilling length is inversely calculated based on the adjusted final hole pressure; under the condition of the maximum permeability, the maximum leakage amount of the corresponding drill hole length is obtained; in the horizontal drilling well construction process, the actual leakage amount is measured based on the opening water pressure of the corresponding drilling length; if the actual leakage amount exceeds the maximum leakage amount of the corresponding drill hole length, it is judged that a geological abnormal body exists; according to the method, the leakage amount data of whether the geological abnormal body exists in the stratums corresponding to different drilling length sections or not can be accurately given.

The application discloses an open TBM slag cleaning and supporting integrated device suitable for a poor geological section, which comprises a temporary supporting device, an auxiliary conveying device and a slag cleaning operation platform, the auxiliary conveying device is installed on a TBM main beam, the temporary supporting device is installed on the upper portion of the auxiliary conveying device, and the slag cleaning operation platform is installed on the bottom of the auxiliary conveying device. The temporary supporting device comprises a roof, a vertical supporting mechanism and a lateral supporting mechanism, the roof comprises a main shed and a side shed, the slag cleaning operation platform comprises a sliding platform and a slag cleaning mechanical arm, and the slag cleaning mechanical arm is connected with the bottom of the auxiliary conveying device through the sliding platform. The slag cleaning mechanical arm comprises a bottom disc turbine box, a rotating large arm, a motor, a speed reducer, a telescopic large arm, a telescopic small arm, a telescopic arm hydraulic cylinder, a digging arm, a digging arm hydraulic cylinder, a connecting rod, a hinged piece and a shovel. The application can realize the top surrounding rock supporting of a fast anchor rod construction area and the cleaning of the slag accumulated at the bottom of the main beam.