163 results about "Engineering geology" patented technology

The invention relates to the technical field of mining safe engineering, and particularly to a stability monitoring method for a cold high-altitude steep slope. According to the stability monitoring method, through field engineering geology, hydrogeology survey, engineering geological rock quality evaluation and rock mechanical parameter determining, the lithologic condition, the rock structure, the hydrogeology condition, the slope shape, earthquake parameters, explosion parameters and the like of the slope are determined. Slope stability analysis and a treatment strategy measure are performed. Furthermore a comprehensive monitoring system and a slope instability criterion are established.

The invention discloses a three-dimensional horizontal geological section map manufacturing method and applications of the three-dimensional horizontal geological section map manufacturing method. The method comprises the steps of obtaining wild geological raw data according to relevant correlation technical standard requirements of energy mineral resource geology and engineering geology, wherein the wild geological raw data comprise but not limited to drilling geological data, drilling point three-dimensional position information, geophysical exploration information and relevant indoor and outdoor testing data. The total number of the steps is ten. The method is applied to engineering geological map manufacturing and energy mineral resource geological map manufacturing, and geological mapping result expressing in geological mapping in the engineering geology and the energy mineral resource geology, wherein the geological mapping result expressing comprises but not limited to relevant mapping result expressing in the links of engineering geological mapping, designing, analyzing, constructing, monitoring and running and relevant mapping result expressing in the links of energy mineral resource planning, mapping, designing, monitoring, exploiting, running and repairing.

The invention discloses an interpretation and evaluation method for a reservoir area engineering geological survey and particularly relates to a hierarchy interpretation method and a comprehensive evaluation method for reservoir area engineering geological survey and evaluation. According to the interpretation and evaluation method, the interpretation of bad geologic bodies of landslide, collapse, debris flow and the like can be achieved, the precision can meet a requirement of feasibility, and the comprehensive evaluation of engineering geological problems of reservoir leakage, reservoir bank stability, reservoir bank collapse, reservoir immersion, the debris flow and the like can be achieved. The steps of the interpretation and evaluation method includes firstly, establishing a geographic information system (GIS) data bank of a reservoir area engineering geology and a three-dimensional true color remote-sensing image visualization system; secondly, establishing remote-sensing interpretation marks of the bad geologic bodies of the landslide, the collapse, the debris flow and the like; thirdly, performing preliminary interpretation with geography interpretation as a priority; fourthly, performing outdoor verification by matching of image interpretation; fifthly, performing detailed comprehensive interpretation with three-dimensional interpretation as a priority; sixthly performing reservoir leakage comprehensive interpretation based on a GIS; seventhly, performing reservoir bank stability comprehensive interpretation based on the GIS; eighthly, performing reservoir bank collapse and reservoir immersion comprehensive interpretation based on the GIS; and ninthly, performing reservoir debris flow comprehensive interpretation based on the GIS.

The invention relates to a method for compiling a geological display map of a chamber and aims to solve the problems of high working load in graphic depiction and data input, complexity in drawing marking and format type-setting, difficulty in revising and updating, low data reusability and the like so as to improve the compilation efficiency of the geological display map of the chamber and the using efficiency of data. The invention adopts the technical scheme that: the method for compiling the geological display map of the chamber is characterized by comprising the following steps of: 1.1, setting map compilation; 1.2, recording geological graphs; 1.3, storing the recorded data, and repeatedly performing the steps 1.1 to 1.3, complementing and updating the recorded data for the previousoperation by the subsequent operation until the requirements for forming of the complete geological display map of the chamber are met; and 1.4, automatically drawing the map. The method is applicable to the fields of engineering geology and mining geology in the industries of hydropower, water conservancy, highway, railway and the like.

The invention relates to a method and a device for digital remote sensing geology mapping, the technical problem to be solved by the invention is to provide a method for digital remote sensing geology mapping based on the techniques, such as digital photogrammetry, digital image processing, and static three-dimensional image establishment and engineering geology analysis, etc. The technical proposal to solve the problem is: A) the preference of shooting modes, one corresponding mode of three shooting modes which are a basic mode, an extended mode and a strip-map mode, is selected according to three site conditions which are a high and steep slope, foundation pit excavation and an underground cavern; B) the shooting of digital images; C) the establishment of a three-dimensional image model; D) the extraction of spatial attribute data; and E) the utilization of the spatial attribute data. The method and the device of the invention can be applied to the geology mapping (logging) of the high and steep (rock) slope, the foundation pit excavation and the underground cavern in various constructions, such as water conservancy, hydroelectric power, transportation and mines, etc.

The invention relates to strip mine's slope beside hill optimization. It belongs to strip mine's slope beside hill engineering technology field. Its steps are: build GIS data module; build side slope stabilization three dimension limit balance analysis module based GIS; realize arithmetic of three dimension module based on GIS and side slope optimization. Adopting GIS space analysis function, engineering geology, geography condition and hydrogeology information relative to side slope stabilization is presented into data structure, database design, space data analysis method etc. in GIS data model. Information relative to side slope of stratum, structure face, water table etc are presented through GIS data layer. All input data are converted in form of grid. The data are ground height, vergence direction, tile angle, ground water, ground floor, slip surface and physical mechanics parameters of space distribution. Each three dimension grid column unit can descript a kind of geography information relative to stabilization analysis of ground, stratum, slip surface etc. Adopting the invention, side slope can be optimized to reduce amount of ripping rock and production shell-exploit rate.

The invention discloses a method for measuring and calculating the rock mass fracture rate in the field, which comprises the steps of collecting geological data of an area to be measured; carrying out field geological reconnaissance; preliminary judging the number of groups of the joint planes, and determining the position and the size of a unit body; measuring the trace length, the fracture width and the attitude of each fracture plane of each group of the joint plane fractures, and further judging the number of groups of the joint planes; and calculating the total volume of each group of fractures and the rock mass fracture rate. The method disclosed by the invention renovates an inherent method for measuring the line fracture rate and the plane fracture rate, can acquire data of the rock mass fracture rate with high reliability on the basis of relatively convenient measurement, and is clear in process. The method disclosed by the invention can be applied to the engineering technology fields such as hydraulic and hydro-power engineering geology, geotechnical engineering investigation, rock mass seepage calculation, high and steep slope green plant covering and the like.

The invention discloses a 3D geologic digital reconnaissance report generating method and belongs to the field of 3D geologic modeling. The method comprises acquiring outdoor geologic original data and indoor and outdoor test data according to energy mineral product geology and engineering geology associated technical specification requirements, wherein the geologic original data includes drilling geologic data, drilling point 3D position information, geologic geophysical prospecting information, the drilling geologic data includes age geological background, lamination geological background, slide rock geological background, marine lamination geological background, riverbed alleviation geological background, and fracture structural geology; and generating corresponding geologic upright profile, geologic horizontal profile, a combined slope fault profile and generating a 3D geologic digital reconnaissance report with complete information. The method may generate horizontal, vertical, and slope geologic system in a unified way. The 3D report is comprehensive in information and good in correspondence.

The invention belongs to the technical field of in-situ preparing of polluted underground water, and particularly relates to a device and method for periodic in-situ pumping based integrated repairing of groundwater pollution. The device comprises a polluted underground water pumping system, an in-situ repairing system and a recharge system, wherein the pumping system is composed of a pumping well and a pumping pipeline; the pumping system is connected with the in-situ repairing system; the in-situ repairing system is connected with the recharge system; and the recharge system comprises a recharge pipeline and a recharge well. The pumping well and the recharge well are subjected to a pumping test and a recharge test before the periodic in-situ pumping based integrated repairing of the underground water pollution is carried out. By adopting the method, the processed underground water is recharged to the original polluted water layer to dilute the original polluted water layer, so that the concentration of pollutants in a target aquifer is reduced, convenience is provided for subsequent treatment, and the pollution manage cost is reduced. The processed polluted underground water is timely recharged; and the poor hydrogeololgy and engineering geology can be effectively avoided.

The invention relates to an engineering geology crack measuring method and a measuring device thereof, and the device comprises two steel tube bases fixed at two sides of a crack of a geologic body respectively, and two steel tube supports inserted and fixed in the top steel tubes of the steel tube bases at two sides through fixed ends at the lower end. The top ends of the two steel tube supports are connected with a fixed measuring rod and a movable measuring rod by dowels, and the fixed measuring rod and the movable measuring rod are connected by a multifunctional geologic compass in the middle. The multifunctional geologic compass is designed to be cubic, and the fixed measuring rod is fixed in the inside of the compass and can rotate freely and is supported by the dowels of the measuring rod at two sides and a rotation gasket. The engineering geology crack measuring method overcomes the shortage in current engineering geology crack measuring methods that three-dimentional deformation of the crack can not be measured conveniently and accurately due to defects in structure and precision of a device itself, and prevents limitations in range of use of current measuring methods.

The invention provides a laser ranging-based dangerous-rock deformation multipoint information extraction and warning system, comprising a device body, a fixed-point support unit, a control point reflection unit and a client server. The device body comprises laser ranging sensors, refractors, a data acquisition instrument, a data recorder, a GPRS signal emitter, an antenna, a lithium battery and a frequency regulator. The laser emission frequency is controlled by the frequency regulator. Laser is emitted by the ranging sensors, with the emission angle being changed by the refractors, and is reflected back to the ranging sensors after reaching the control point reflection unit on a dangerous rock. Measurement signals are read by the data acquisition instrument and are recorded by the data recorder, and are emitted to the client server via the GPRS signal emitter. The laser ranging-based dangerous-rock deformation multipoint information extraction and warning system of the invention realizes real-time monitoring and warning of dangerous-rock multipoint deformation characteristics, makes up for the defects of existing methods that the cost is high, real-time monitoring is not achieved and representativeness of monitoring points are not high, and provides dangerous-rock deformation monitoring data and warning for related fields such as engineering geology, mine engineering and so on.

The invention relates to a miniature underground crawling self-shielding detection robot comprising a molting snake shielding robot and an earth surface auxiliary robot. The molting snake shielding robot can crawl underground, an annular 3D printing nozzle on the side wall sprays adhesive onto the surrounding soil to form a high-strength shield shell, and the molting snake shielding robot carries an electromagnetic probe, a camera, a micro manipulator, a pressure sensor and a temperature sensor and can detect the soil structure of the shallow layer of a planet. The earth surface auxiliary robot follows the molting snake shielding robot to synchronously move on the surface of the earth, uses electromagnetic wave to wirelessly transmit power to the molting snake shielding robot and sends collected data to a space transfer station, and can detect and sample the surface of the earth. By using the miniature underground crawling self-shielding detection robot of the invention, network detection of the shallow layer of a planet can be realized. The robot makes up for the defect of the existing method which can only detect the surface. A complete detected shallow layer soil structure can be provided for engineering geology, engineering survey, planet surface detection and other related fields, and the basic physical and mechanical parameters of the underground rock and soil mass can be obtained.

The invention relates to a multi-block slide calculation method for a giant landslide, and belongs to the field of geological disaster engineering. The method is used for landslide disaster stability evaluation and engineering prevention and control. The method comprises the steps of: (1) finding out a landslide region range, deformation features and hydrogeology and engineering geology conditions; (2) based on a finite element program, establishing a finite element numerical model of a side slope; (3) inputting formation mechanical parameters of the side slope; (4) inputting reduction parameters and physical and mechanical characters of landslide massif for performing finite element calculation; (5) determining a side slope failure region; (6) continuously reducing failure strength parameters until slide surfaces are communicated; (7) determining a tension failure zone of each stage of slide surface; (8) setting the tension failure zone as a null unit in the model; and (9) re-calculating a new numerical model and searching out multiple stages of slide surfaces. According to the multi-block slide calculation method for the giant landslide, provided by the invention, the multiple stages of slide surfaces of the giant landslide can be accurately searched out and an important basis is provided for giant multi-stage landslide stability evaluation and engineering prevention and control.

The invention relates to a soil disintegration tester, comprising a scale, a blister, lead shots, a hanging frame, a screen, a glass container with a scale, and a soil sample, wherein a buoyancy device formed by connecting the scale, the blister and the scale is arranged into the glass container with the scale, the lower end of the scale is connected with the upper end of the blister, the hanging frame is tied on a connecting place between the scale and the blister, the blister is arranged into the hanging frame, the lead shots are arranged in the blister, the screen is distributed at the bottom of the hanging frame, and the soil sample is arranged on the screen. The soil disintegration tester, provided by the invention, has the advantages of simple structure, convenience for use and maintenance, and capability of accurately measuring three main disintegration indexes: a disintegration time, a disintegration characteristic and a disintegration speed. The soil disintegration tester can be widely applied to scientific studies about engineering geology and geotechnical engineering, teaching practice and production field.

The invention relates to a geological map compilation method based on a geological three-dimensional modeling process. The invention aims to provide the geological map compilation method based on the geological three-dimensional modeling process, so as to solve the problems that the geological three-dimensional modeling process and a geological two-dimensional drawing output process are separated, the geological map drawing workload is heavy, the drawing proofreading work cycle is long, the drawing marking and format composing are tedious, the data utilization method is single, the man-made error rate is high, the map interpretation content is inconsistent, the drawing revision and updating are difficult and the like, as well as improve drawing output quality and efficiency of a geological map. The invention adopts the technical scheme that the geological map compilation method is characterized by comprising the steps of: 1, classifying geological objects and defining attributes; 2, setting and storing geological data and geological maps; 3, drawing geological interpretation process maps; 4, compiling the process maps and outputting wireframe models; 5, and outputting the geological maps. The geological map compilation method based on the geological three-dimensional modeling process is applicable to the professional fields of engineering geology in the industries of hydropower, water conservancy, geotechnical, mine, traffic and the like.

The present invention discloses an information system for integration of indoor work and field work in engineering geology. By taking an engineering geology specialty process as a main line and a professional technical requirement as a foundation, the information system for integration of indoor work and field work in engineering geology is realized by using a novel information technology in combination with a mobile terminal technology, a global positioning system technology, a geography information system and a computer-aided design technology. The system takes an engineering geology database as core data, and comprises six subsystems of an engineering geology field data acquisition subsystem, an engineering geology data management subsystem, an engineering geological data analysis subsystem, an engineering geology three-dimensional modeling and visualization analysis subsystem, an engineering geology CAD drawing subsystem, and an engineering geology reconnaissance data visualization display subsystem. The system according to the invention can extremely improve the work efficiency of indoor work and field work in engineering geology, and a repetitive workload due to technical means is reduced to a certain extent, so that the purpose of lowering the production cost is achieved.

The invention belongs to the field of rock mass mechanics and engineering geology, and specifically discloses a calculation method of Hoek-Brown parameter m and s of solid rock influenced by different mining. The calculation method comprises following steps: drilling and coring of solid rock influenced by different mining are carried out, and standard samples are obtained via laboratory processing; uniaxial compressive strength of complete solid rock is obtained via uniaxial compression test; the samples influenced by different mining are provided with different confining pressure ranging from 5 to 40MPa via triaxial test, and are provided with axial pressure until the samples are destroyed, and load-displacement curve of the whole loading process is recorded; and at last, m values and s values under each set of conditions are calculated based on Hoek-Brown standard. According to the calculation method, the values of the Hoek-Brown parameter m and s of solid rock influenced by different mining are obtained via on-site coring and laboratory test.

The invention discloses an in-situ comprehensive inquiry platform for beach shallow sea engineering geological properties. The platform comprises a platform ship, a beach shallow sea sounding unit, anin-situ sediment sampling unit, a sea geophysical prospecting unit and a water power in-situ observation unit, wherein the beach shallow sea sounding unit comprises a beach shallow sea static sounding device and a beach shallow sea power sounding device; the platform ship adopts special structural design; on the basis of the platform ship which carries various ocean engineering geological testinginstruments, the quick measurement of the engineering geological properties of an appointed sea area is realized, i.e., the platform ship can stop on the water surface to serve as a fixed platform, and a running navigation test can be carried out to test flow parameters; and in short time, various engineering geology parameters can be measured in the same area in short time, the quick and comprehensive inquiry of engineering geology conditions in a shallow area of which the water depth range is 20m, wherein measurement parameters include water depth, topography and landforms, stratum structures, in-situ sediment soil mechanics parameters and the like. By use of the platform, a test area can be subjected to more reliable engineering geology evaluation, and testing efficiency in different sea areas can be greatly improved.

The invention discloses a method for distinguishing the position of a rockburst risk on a deep buried tunnel section. The method comprises the following steps: A, performing numerical simulation analysis according to the shape of a section, engineering geology, conditions of initial ground stress and an excavation method before tunnel excavation, to be specific, a, performing indoor rock mechanics experiments and parametric inversion; b, confirming a three-dimensional initial ground stress field; c, constructing a geometrical model for three-dimensional numerical calculation according to stratigraphic distribution, geologic construction and the size of the tunnel section; d, implementing numerical calculation and analysis of a tunnel excavation process for the geometrical model; e, analyzing the distributed situation of the local energy release rate on the tunnel section; B, monitoring slight shock in a real-time mode in the tunnel excavation process, to be specific, 1, mounting a sensor at the rear part of a tunnel face; 2, collecting slight shock signals in the process of the micro fracture of rock mass to invert the occurrence position of the micro fracture of surrounding rocks; 3, analyzing the projection distribution of micro fracture events on the tunnel section; C, performing comprehensive evaluation on the distinguished occurrence positions of the rockburst risk. Through the adoption of the method, the occurrence of rockburst disasters is reduced or avoided, and the construction safety and the construction progress are ensured.

The invention relates to an ActiveX-technology-based integrated drawing method for two-dimensional and three-dimensional profiles of engineering geology. The method comprises the steps that: step one, a three-dimensional graph system is constructed based on OpenGL and is used for displaying a stratum and a drilled hole; step two, on the basis of the ActiveX technology, a profile coordinate in AutoCAD is guided into the three-dimensional system directly and stretching is carried out in a Z direction to obtain a three-dimensional profile, and the three-dimensional profile is drawn into the three-dimensional system; step three, a drilled hole three-dimensional model is constructed; step four, a stratum layer model is constructed; step five, profile and stratum interface intersection is carried out in the three-dimensional system; step six, projection of an intersected line segment after drilled hole and stratum interface intersection on a space plane is carried out; and step seven, on the basis of the ActiveX technology, the obtained intersected line and the line segment after drilled hole projection are outputted to the AutoCAD directly, thereby generating a two-dimensional profile. Therefore, the whole flow of engineering geology profile drawing, visualized geological profile calculation, and automatic graph paper drawing can be completed directly in a three-dimensional environment, thereby realizing informatization and automation of the geological profile drawing work.

The invention relates to the technical field of marine engineering geology and seafloor in-situ long-term observation, and particularly discloses a seafloor static penetration device based on an oceanobservation probe rod and a penetration method of the seafloor static penetration device. The seafloor static penetration device based on the ocean observation probe rod comprises a probe rod vertical frame, an outer clamping ring and a base, and is characterized in that a probe rod positioning device and a pressing cap type structure are installed on the outer clamping ring, the base comprises an upper bottom plate, a lower bottom plate and a separation plate located between the upper bottom plate and the lower bottom plate, a battery bin, a driver bin and a motor which are connected with one another are installed on the upper bottom plate, the motor is connected with the pressing cap type structure through a driving rope, and the probe rod is correspondingly clamped and fixed between the outer clamping ring and the base. According to the seafloor static penetration device based on the ocean observation probe rod and the penetration method of the seafloor static penetration device, structure design is reasonable, the performance is stable, the working efficiency is high, the size of the seafloor static penetration device is small, stable and vertical penetration with the constantspeed of the seafloor observation probe rod is realized, the penetration efficiency is high, the penetration depth is large, and the quality of seafloor observation parameters is guaranteed.

The invention discloses a testing device for analyzing the stress of a slurry balance shield tunnel pipe piece in a swelling soil area. The testing device is characterized by comprising a main frame, a measurement system and a water adding system, the main frame comprises a model casing, a movable plate, a hydraulic jack and testing pipe pieces, the measurement system comprises a soil pressure gauge, a pore water pressure gauge, a strain gauge and a data acquisition instrument, and the water adding system comprises a peristaltic pump, a hose and capillary tubes. The hydraulic jack exerts an axial load on testing swelling soil, and the water adding system evenly delivers water to the testing pipe pieces and a testing swelling soil contact belt at a stable speed through the capillary tubes. The data acquisition instrument is used for acquiring and recording the data of soil pressure of all measurement points of the swelling soil, pore water pressure and pipe piece deformation. By the adoption of the testing device, the swelling force borne by the slurry balance shield tunnel pipe piece and the swelling range of the swelling soil can be accurately measured, the defects of existing methods are overcome, and swelling performance parameters of slurry balance shield tunnel swelling soil can be provided for the relevant fields such as the engineering geology field and the tunnel engineering field.

The invention relates to an engineering geology informatization work system which comprises an engineering geological data acquisition module, a database, a field process platform system, a geological information data management system, a three-dimensional geological modeling system and an engineering geology drafting system. The database is used for storing geological data acquired by the engineering geological data acquisition module. The field process platform system is used for field geological survey work and drafting of a material graph. The geological information data management system is used for the management and application of the geological data in the database. The three-dimensional geological modeling system is used for generating a geological body three-dimensional model according to the geological data acquired by the engineering geological data acquisition module. The engineering geology drafting system is used for generating a standard geological map meeting the requirements of various regulations and norms according to the geological data with a topographic map and an orthophoto map as the background. The engineering geology informatization work system provides a complete solution for engineering geological investigation work, and the functions of the informatization work system can be expanded. By the application of the system, revolutionary change can be brought to the engineering geological investigation work, and the efficiency of the engineering geological investigation work is greatly improved.

The invention relates to an HDPE geomembrane and bentonite-clay composite vertical anti-seepage wall and a mounting construction method thereof. The HDPE geomembrane and bentonite-clay composite vertical anti-seepage wall is arranged on underground opposite water-resisting layers, and composed of an HDPE geomembrane and a bentonite-clay anti-seepage layer. The mounting construction method comprises the steps that a polluted area and a pollution control field area are subjected to engineering geology and hydrogeology survey; a site is leveled; the HDPE geomembrane is vertically inserted and laid; bentonite-clay slurry is intermittently replenished; and a trapezoidal dam integrally connected with a guide wall and a guide wall platform is formed. Through the technical scheme, the HDPE geomembrane and bentonite-clay composite vertical anti-seepage wall and the mounting construction method thereof have the advantages that mounting is easy, the cost is low, the anti-seepage layer structure is not damaged, and pollution is disposed in situ; and local materials can be used in the construction process, on the basis of meeting original anti-seepage requirements, the safety and stability of ageomembrane anti-seepage layer can be improved, and damage, caused by external environmental disturbance or the bottom jacking effect, to the geomembrane is avoided.

The invention provides a method for automatically drawing an engineering geologic histogram, comprising the following steps of: by adopting a nonlinear programming principle, calculating height coordinates of optimized positions of all stratigraphic engineering geological description words on drawings on the premise of satisfying a preset condition; and drawing all the stratigraphic engineering geological description words on the drawings based on the height coordinates. The invention further provides a system for automatically drawing the engineering geology histogram. Through the technique provided by the invention, whole-course automatic drawing can be realized, manual postprocessing to the drawings by manual power is avoided, manual processing process on the engineering geological description words in manual postprocessing is avoided, and a large amount of labor cost is saved. Moreover, the automatic degree is high in the drawing process; the processed engineering geology histogram is reasonable in the engineering geological description words distribution; the drawn engineering geology histogram has normalization and orderliness; and the method and the system disclosed by the invention are suitable for processing engineering geology histograms in various types of geological engineering and geotechnical engineering investigation, and have high efficiency and strong professionalism.

The invention relates to a dangerous rock deformation information extraction and alarm method based on a motion image. The intelligent monitoring system is now the cutting-edge application of the electronic information technology in the field of deformation monitoring in the world. A dangerous rock motion deformation image is acquired by a motion image processing technology, and the visual function of human beings is simulated by combining image processing and computer vision, so as to acquire dangerous rock deformation information and realize intelligent early warning. By adopting the method of the invention, dangerous rock deformation feature real-time monitoring and alarm can be realized. The method can make up for the defects of the existing method such as high cost and incapability of real-time monitoring or weak representativeness of monitoring points, and can provide dangerous rock deformation monitoring data and alarm for engineering geology, mining engineering and other related fields.

The invention discloses a telescopic griffe box of an edge hob. The device can realize large-diameter expanding excavation requirements of a TBM cutter head to deal with engineering geology with large buried depths and high rock convergence. The telescopic griffe box structurally comprises the hob, an inner griffe box, an outer griffe box and C-shaped blocks, a bolt hole is designed between the inner griffe box and the outer griffe box, the inner griffe box and the outer griffe box are connected by using third bolts, a wedge block and the C-shaped blocks are mounted in the inner griffe box, and used for fixing a cutter shaft of the hob; the wedge block is connected with a tensioning block through a first bolt, the tensioning block is mounted at the lower part of the outer griffe box, and the C-shaped blocks are connected with the inner griffe box and the outer griffe box through second bolts. According to the application of the invention, the inner griffe box and the outer griffe box are relatively moved, and the C-shaped blocks are combined to increase the height so as to realize the large-diameter expanding excavation of the cutter head; the telescopic griffe box is reliable in structure, high in practicality and capable of meeting the extremely bad working condition of tunnel faces.

The invention relates to pre-reinforcement projects for a tunnel-slope system, and provides a pre-reinforced composite structure for a tunnel longitudinally penetrating through slope and an implementation method thereof. The pre-reinforced composite structure comprises surface grouting, a surface anchor cable frame, a tunnel lining, grouting in tunnel and lining anchor cables. The implementation method of the pre-reinforced composite structure comprises the following steps of: based on engineering geology investigation results and geomechanical model recognition of the tunnel-slope system, determining the space layout form of the pre-reinforced composite structure, arranging surface grouting and the surface anchor cable frame firstly on the surface of the tunnel-slope system, arranging grouting in the tunnel as required, arranging bearing steel bars on the tunnel lining and pre-forming anchor cable holes for arranging the lining anchor cables. The implementation of the pre-reinforced composite structure provided by the invention can effectively reinforce the tunnel-slope system, thereby improving the stability of the slope and the self-bearing capacity of the tunnel surrounding rock, and ensuring the safe transport operation of the tunnel.

The invention relates to a coupling modeling method of a numerical model of a complex geological body, belonging to the field of engineering geology. A technology for processing geological informationincludes the preservation of complex geological body information in geographic information systems, and creating a first three-dimensional geological surface, the first underground chamber structuremodel and the first stope geological space model, the first three-dimensional geological surface being decomposed, the first underground chamber structure model and the first stope geological space model being transformed into a second three-dimensional geological surface, the second underground chamber structure model and the second stope geological space model being transformed into a command line node operation to create a complex geological body that can be used to solve nonlinear problems and large deformation rock mechanics problems; the second underground chamber structure model and thesecond stope geological space model being transformed into a command line node operation to create a complex geological body. The invention provides a coupling modeling method for realizing numericalmodeling of any complex geological body, ensuring that the numerical model basically coincides with the actual geological body, and improving the accuracy of the numerical model.