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59 results about "Normal fault" patented technology

Normal fault. A geologic fault in which the hanging wall has moved downward relative to the footwall. Normal faults occur where two blocks of rock are pulled apart, as by tension. Compare reverse fault .

Terminal automatic fault diagnosis and restoration method on basis of data mining

InactiveCN103838637AImprove autonomous fault resolution capabilitiesImprove efficiencyFault responseSpecial data processing applicationsRestoration methodData acquisition
The invention discloses a terminal automatic fault diagnosis and restoration method on the basis of data mining. The terminal automatic fault diagnosis and restoration method includes that a terminal acquires fault characteristic data, a cloud side analyzes a fault resolution scheme on the basis of data mining and instructs the terminal to realize fault self-restoration, the terminal gains higher and higher fault self-resolution rate by continuously learning and accumulating fault characteristics and fault resolution schemes, and can automatically process most of normal faults. By the terminal automatic fault diagnosis and restoration method, conventional manual centralized judgment, analysis and processing is changed into fault reason analysis of data accumulation and mining, and on the basis of a fault resolution analysis and recommending mechanism of a parallel distribution and automatic 'exploration-feedback' mechanism and by 'learning' and 'sharing' fault characteristics and resolutions among the terminals, automatic fault resolution capability of the terminals are constantly improved, and finally, a centralized management mechanism which is quite easy to encounter bottleneck is transformed into a mode based on automatic management, diagnosis and restoration of various terminals.
Owner:JIANGSU ZHILIAN TIANDI TECHNOLOGY CO LTD

Rectangular net gridding method for painting contour graph containing rift geological structure

A latticing method for plotting rectangular net of isograms containing normal fault geological body structure includes carrying out pretreatment on scatter data and setting up index for it, carrying out pretreatment on fault layer data and setting up index for it, carrying out data search and interpolation for each lattice point to enable not to seek data point in all discrete point array for raising search speed of data greatly.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Test device for simulating tunnel seismic response under fault movements and test methods

InactiveCN106226808ANo excessive displacementGuaranteed continuous misalignmentSeismologyMaterial strength using steady shearing forcesFixed bearingMobile bearing
The invention discloses a test device for simulating a tunnel seismic response under fault movements, which comprises a vibration table, a model test box, a guide rail underframe, a guide rail, a calibrated rod, a spring matrix, a spring mounting plate, a load-bearing bottom plate, an adjustment connecting rod, a fixed bearing, a mobile bearing, a lifting drawer, a jack base and a hydraulic jack. The invention further discloses two test method adopted by the test device for simulating the tunnel seismic response under the fault movements, and the two methods are respectively used for normal fault simulation and reverse fault simulation. A dynamic response of a seismic action in a condition that a fault movement force acts on a tunnel model can be realized by adopting the test device disclosed by the invention, the fault movement force is provided by the hydraulic jack, faults with any inclination angle can be simulated, and the spring matrix can ensure continuous dynamic movements of a hanging side soil body when the vibration table is in operation, so that stress of the tunnel model is enabled to be more consistent with actual situations, the authenticity and the precision of a test result are significantly improved, and research on anti-seismic and shock absorption design of a fault crossing tunnel is facilitated.
Owner:SOUTHWEST JIAOTONG UNIV

Aerial engine air passage electrostatic monitoring system and analog experiment apparatus

A gas-path electrostatic monitor system of an aero-engine and a simulation test device belong to the field of gas-path stage monitor and fault diagnosis of the aero-engine. The monitor system comprises an electrostatic sensor, a signal conditioning circuit, a signal collection card and a computer. The simulation test device comprises a fuel oil burner (1), an electrostatic duster, the gas-path electrostatic monitor system, a flange (3), a first pipe (4), a rub-impact device (5), a second pipe (6), a third pipe (8), an exhaust pipe (9), an axial fan (10), a medium-pressure fan (11), a rub-impact device support platform (12) and a bracket (13). The invention can monitor the state of the engine and provide fault alarm information by monitoring the general electrostatic charge level of the gas path of the engine by the electrostatic monitor arranged at the nozzle at the tail portion of the engine. The constructed simulation test device simulates the gas-path operation state of the engine and the direct results of normal faults, thus providing a simulation test platform for early study of gas-path electrostatic monitor system of the aero-engine.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Coal series fault formation simulation test device and forward and reverse fault simulation test method

The invention discloses a coal series fault formation simulation test device and a forward and reverse fault simulation test method. The invention relates to the technical field of similar material simulation tests. The device comprises a hydraulic lifting device, a lower angle adjusting device, a push rod device, an upper loading device, an upper angle adjusting device, a lateral loading device and a transparent side plate, the hydraulic lifting device and the angle adjusting mechanism are arranged below the experiment body, the upper loading device and the upper angle adjusting device are arranged above the experiment body, the transparent side plate is arranged on the rear side face of the experiment body, and the lateral loading device is arranged on the end face of the experiment body. When the device is used for simulating the normal fault, the inclination angle of the inclined plate of the lower angle adjusting device is the same as that of the inclined push plate of the upper angle adjusting device, and the upper loading system loads downwards to form the normal fault; when the reverse fault is simulated, a fault inducing device is arranged at the bottom of the experimentalbody, and the reverse fault is formed through loading of a lateral loading device. The technical problem that the fault inclination angle and the crack initiation position of the simulated fault areinconvenient to control is solved.
Owner:SHANDONG UNIV OF SCI & TECH

Test device for simulating normal and reverse fault formation

PendingCN108444833ARealize hierarchical loadingClose to the real effectMaterial strength using tensile/compressive forcesHorizontal stressHorizontal force
Relating to the technical field of coal mine geology, the invention discloses a test device for simulating normal and reverse fault formation. The device comprises a test stand (1), an upper verticalloading apparatus (2), a left loading apparatus (3), a right loading apparatus (4), a hydraulic oil sac (5), a bearing steel plate (6), a steel block (7) and an angle adjustment apparatus (8). The test device provided by the invention is designed with the upper vertical loading apparatus, the left loading apparatus and the right loading apparatus controlled by a hydraulic servo system, realizes different horizontal force loading, and simulates horizontal stress at different depths, U-shaped push plates actually play a horizontal sealing role in simulation of similar stratum materials, and canindependently or wholly apply loads, especially can simulate the horizontal stress of regions with complex geological structure, realizes graded loading in the horizontal direction, is closer to the real effect, and realizes simulation of the formation process of normal fault and reverse fault in one equipment.
Owner:SHANDONG UNIV OF SCI & TECH

Space curved surface reconstruction method based on boundary constraint

InactiveCN103500468AQuick displayTroubleshoot Horizontal Resurfacing Issues3D modellingTerrainHorizon
The invention discloses a space curved surface reconstruction method based on a boundary constraint. The space curved surface reconstruction method based on the boundary constraint mainly comprises the steps of (1) collecting original horizon data points and fault data points, and drawing a hanging wall polygon and a heading wall polygon; (2) obtaining height attributes, relation attributes and projection attributes of the original horizon data points and points on the fault polygons; (3) carrying out connection on the original horizon data points and the points of the fault polygons through triangle gridding with the constraint; (4) accomplishing splicing of internal areas and external areas of the hanging wall polygon and the heading wall polygon, namely, accomplishing reconstruction of a three-dimensional space curved surface. The space curved surface reconstruction method based on the boundary constraint solves the problem of reconstruction of the horizon curved surface of the complex terrain in the process of three-dimensional geologic modeling, provides a new idea for isoline drawing, geological block forming and the like, can be applicable to various discrete points or lateral line data, and low in requirement for data, can support various faults such as complex terrain structures such as normal faults, reverse faults and vertical faults, and has good adaptability.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Method for plotting structural diagram of contour line of complex normal fault

InactiveCN1797030AAvoid double trackingPrevent endless repeated trackingSeismic signal processingNormal faultStructure diagram
The invention relates to geophysical exploration key-drawing technique, especially a method for drawing a complex normal fault isoline structure diagram able to realize rectangular-grid automatic tracking, gridding discrete data to obtain grid file, searching an equivalent point on the four sides of the grid as well as the inner sides according to the user-set isoline starting value, then calculating the coordinates of the next equivalent point on the other three sides of the current grid unit, and according to that either line or column numbers of the two successive units that the isoline passes through are equal, setting a tracking program to automatically continue tracking until the whole isoline is completed. And as compared with the program of encrypting while tracking, it is simple and quick.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Rapid image recognizing method of power tower pole outline

The invention relates to a rapid image recognizing method of a power tower pole outline. The method comprises the following steps: (1) converting a shot color image into a gray level image through brightness calculation, and carrying out smooth denoising on the image; (2) based on an improved Harris angle point detecting method, realizing the detection to power tower pole pixel in an outline image of a known area shape; (3) firstly gridding the image, and subsequently calibrating the power tower pole pixel by adopting a gridding angle point density clustering algorithm through the clustering to the angle point density; and (4) calibrating and outputting the power tower pole pixel. By detecting a pole tower area in the image, a small range area for detecting various members can be provided; detailed capital construction data of each pole tower are backed up and can be checked in power departments; specific positions and numbers of various members in the image can be extracted accurately based on the information, and moreover the intelligent diagnosis to normal faults of various members can be further realized.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Using a genetic technique to optimize a regression model used for proactive fault monitoring

ActiveUS20070220340A1Minimize the numberWithout significantly compromising other performance criteriaError detection/correctionDigital computer detailsNormal faultSignal prediction
One embodiment of the present invention provides a system that optimizes a regression model which predicts a signal as a function of a set of available signals. During operation, the system receives training data for the set of available signals from a computer system during normal fault-free operation. The system also receives an objective function which can be used to evaluate how well a regression model predicts the signal. Next, the system initializes a pool of candidate regression models which includes at least two candidate regression models, wherein each candidate regression model in the pool includes a subset of the set of available signals. The system then optimizes the regression model by iteratively: (1) selecting two regression models U and V from the pool of candidate regression models, wherein regression models U and V best predict the signal based on the training data and the objective function; (2) using a genetic technique to create an offspring regression model W from U and V by combining parts of the two regression models U and V; and (3) adding W to the pool of candidate regression models.
Owner:ORACLE INT CORP

Ultraviolet flame detector with double self-detection

The invention relates to an ultraviolet flame detector with double self-detection, comprising a detector shell, an ultraviolet phototube, an MCU (Microprogrammed Control Unit) microprocessor, a flame signal detection circuit, a power switching circuit, a sensitivity setting circuit, an interface circuit, an ultraviolet luminescent tube, an ultraviolet light source driving circuit, a shutter device with an electromagnetic coil and a shutter electromagnet driving circuit, wherein the ultraviolet luminescent tube is arranged near the ultraviolet phototube; the ultraviolet light source driving circuit is controlled by the MCU microprocessor and drives the ultraviolet luminescent tube; the shutter device with the electromagnetic coil is arranged near a flame detection opening; and the shutter electromagnet driving circuit is controlled by the MCU microprocessor and drives the shutter device. The invention realizes the timing self-detection function of the flame detector, ensures the flame detector to work in a normal fault-free state, eliminates the possibility of the misinformation of a flame signal and realizes the continuous and reliable detection of the flame signal.
Owner:MAANSHAN SHIGUO MECHANICAL & ELECTRICAL EQUIP

Intelligent electric heating kettle

The invention discloses an intelligent electric heating kettle, which comprises a kettle body and a base. The kettle body consists of a kettle cover, a kettle mouth, a water containing tank, a handle and a power indicator lamp, the base is provided with a heating tube device, a heat-insulation switch, a temperature measurement and control device and a power line, and an intelligent power control circuit is mounted in the base and consists of an AT89S51 single chip microcomputer and a DS18B20 temperature sensor. The intelligent electric heating kettle adopts the single chip microcomputer to control a power switch, avoids normal faults of a mechanical switch, has a heat insulation function and can keep water temperature to be certain after boiling of water, the water containing tank on the kettle body can collect overflow water, safety of the base is guaranteed, and the power line is in a coil design and can be drawn out and taken in.
Owner:常熟市董浜镇华进电器厂

Point cloud clipping-based generation method for spatial curved surface

The invention discloses a point cloud clipping-based generation method for a spatial curved surface. A curved surface can be reconstructed under a complex reverse fault condition, a data blocking concept is used for dividing data on the curved surface into data under a constraint condition and data beyond the constraint condition, and triangularly meshing the data respectively, so that the problem of large data volume is well solved, and triangular meshing speed is increased. The method has the advantages that various faults comprising normal faults and reverse faults are supported, so that the method has high adaptability; various kinds of application taking complex polygons as constraint conditions are supported, so that the method is highly universal; and the clipping problems of the complex polygons are solved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Multi-dimensional fault dynamic demonstration model device

InactiveCN104867392AOvercome rigidityOvercome the abstract presentation processEducational modelsPlastic materialsNormal fault
The invention discloses a multi-dimensional fault dynamic demonstration model device, which belongs to the field of geology model demonstration devices. The multi-dimensional fault dynamic demonstration model device comprises a base; the base is sequentially provided with a transverse adjustment mechanism, three groups of vertical displacement adjustment mechanisms and an angle displacement adjustment mechanism respectively; the transverse adjustment mechanism, the three groups of vertical displacement adjustment mechanisms and the angle displacement adjustment mechanism are respectively provided with a strike-slip fault adjustable mobile support, three groups of normal fault-reverse fault adjustable mobile supports and an over-thrust adjustable mobile support arranged in sequence; and upper ends of the strike-slip fault adjustable mobile support, the three groups of normal fault-reverse fault adjustable mobile supports and the over-thrust adjustable mobile support are sequentially and correspondingly provided with fault regions processed and formed through plastic material. An inflexible and abstract previous fault geologic model demonstration process can be avoided, time and space changes, a force-bearing process and a development result of the fault happening process are represented intuitively, and the multi-dimensional fault dynamic demonstration model device can be applied to teaching demonstration for college mineral and geology specialty and popular science education demands for children.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Method for recovering burial history of stratum near normal fault

ActiveCN108828666AClarify formation contact relationshipImprove drilling efficiencySeismic signal processingLithologyAnalysis data
The invention relates to a method for recovering the burial history of a stratum near a normal fault. The method comprises the steps of: S1, performing well-seismic combination for regional stratigraphic division; S2, selecting a virtual well location of a target area and calculating the denudation amount of the virtual well location; S3, calculating the fault activity rate; and S4, recovering theburial history. The invention adopts well-seismic combination to carry out regional stratigraphic division, selects a virtual well location in the vicinity of the fault of the target well location without passing through the zone, uses the "trend analysis method" to calculate the denudation amount of the stratum, then calculates the fault activity rate according to the strata thickness features of the upthrown side and the downsthrown side of the fault, and determines the fault activity period; stratum erosion data, lithology data, geothermal data and geochemical analysis data are combined torecover the burial history of the study area. The invention can accurately recover the burial history and thermal evolution history of the stratum near the fault zone, thereby laying a foundation forreservoir evolution and high-quality reservoir diagenesis research, further determining the distribution of high-quality reservoirs, improving the drilling efficiency in the exploration and development process, and saving production funds.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Electric automobile permanent magnet synchronous motor fault diagnosis system and method based on cloud computing

The invention discloses an electric automobile permanent magnet synchronous motor (PMSM) fault diagnosis system and method based on cloud computing. The system comprises a PMSM, a motor controller connected with the PMSM, a vehicle control unit connected with the motor controller, a GPS onboard terminal connected with the vehicle control unit, and a cloud computing platform connected with the GPS onboard terminal via a wireless communication network, wherein a diagnosis module for fault diagnosis and a memory for storing diagnosis data are integrated into the cloud computing platform. The system sends the information of the PMSM to a cloud end in real time by means of the motor controller, the vehicle control unit, and the GPS onboard terminal, achieves fast diagnosis and response speed, may store fault information at the cloud end so as to query historical information. The cloud end is easy to upgrade. The system prevents dedicated hardware equipment, is low in cost, may diagnose normal faults of the PMSM, and is universal.
Owner:CHENGDU RAJA NEW ENERGY AUTOMOTIVE TECH CO LTD

Method to complement lost stratum under shaft

ActiveCN103217718APrecise inversionAccurate inversion of changes in physical properties inside oil and gas reservoirsSeismology for water-loggingMissing dataNormal fault
Provided is a method to complement a lost stratum under a shaft. The method improves inversion efficiency and the accuracy rate. The method includes the steps of confirming mutually linked and sealed geological blocks according to reflection characteristics of earthquake reflection waves and geological data, allocating shaft data to the geological blocks according to tracks of the measured shaft, confirming the position of a crossed contact point formed when the shaft penetrates through a section of a normal fault according to all the tracks of the shaft in a work area, calculating thicknesses of an upper stratum and a lower stratum and the position and the thickness of the lost stratum at the crossed contact point, confirming structure characteristics of the lost stratum, rebuilding a stratum sequence section close to the lost stratum to complement the lost stratum, and carrying out earthquake inversion with a result as an original value and a restraint condition of the inversion. The geological characteristics of the upper stratum and the lower stratum are effectively used, the lost stratum is built, on the basis that known data with various sources are fully made use of, lost data are predicted, the result conforms to the geological characteristics, and precise description for change conditions of internal physical properties of a target stratum is benefited in the earthquake inversion.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Dynamic response test device and test method for simulating tunnel subjected to normal fault reverse fault seismogeny

The invention discloses to a dynamic response test device and test method for simulating tunnel subjected to normal fault reverse fault seismogeny. The device comprises a box body and a slide rail mechanism, and the box body comprises a reaction force frame, a test box, a spring, a sliding groove and a bracket; the middle of the test box is divided into two parts including an upper disc and a lower disc. The device simulates a seismic dynamic response test of the surrounding rock of a tunnel under the coupling of horizontal and vertical ground vibration of a seismic zone by periodically dropping a test box from the sliding groove and controlling the height of a small ball and the time interval of releasing the ball, and reconstructs the seismic wave dynamic effect response process and response modes of the surrounding rock of the tunnel in an extreme seismic zone; the upper and lower disc setting of the test box simulates the influence of stratum displacement on the surrounding rock ofthe tunnel during an earthquake, and the device provides accurate reliable suggestions for engineering structure designs, geological disaster prediction and the like, and conducts seismic fortification for engineering construction.
Owner:中国地质调查局成都地质调查中心 +1

A two-dimensional closed geological structure model building method

A method for setting up model of two ¿C dimensional closed geological structure includes using dot, section, line and face to define layer boundary and fault boundary of geological structure, using two ¿C dimensional mode to present a series of closed face with the same layer attribute. The model prepared by the method can be used to describe various complicated geological structure such as normal fault, reversed fault, thin ¿C out structure, etc.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Restoration method of ancient landform of syngenic normal fault development area

The invention relates to the field of ancient landform restoration, and discloses a restoration method of an ancient landform of a syngenic normal fault development area inside a complicated fault block. According to the method, a growth index of the syngenic normal fault is calculated, in a control range of a downthrown side of the syngenic normal fault, the thickness of the downthrown side is corrected by comparing the thickness of the downthrown side and the growth index, so that the false ancient landform caused by the thickening of the downthrown side stratum due to the gradual deformation activity of the syngenic normal fault when the ancient landform is restored can be eliminated, and the ancient landform is more reasonable.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Method for determining activity stages of underground small and medium scale strike-slip faults in basin

The invention discloses a method for determining activity stages of underground small and medium scale strike-slip faults in a basin. The method includes the following steps: defining longitudinal stratification characteristics of the strike-slip faults and determining development horizons of underlying vertical strike-slip segments and overlying en echelon normal faults of the strike-slip faults; obtaining slip directions of the underlying vertical strike-slip segments and paleostress environment corresponding to activity of the underlying vertical strike-slip segments; obtaining slip directions of the en echelon normal faults and paleostress environment corresponding to activity of the en echelon normal faults; and determining the stages of the activity of the strike-slip faults. The method disclosed by the invention can be widely applied to the study of the activity stages of the strike-slip faults in craton.
Owner:CHINA PETROLEUM & CHEM CORP +1

Calculation method for slip displacement of strike-slip zone of goose column type normal fault

ActiveCN112859159AAdvancing Quantitative ResearchSeismic signal processingWell loggingWell drilling
According to the method for calculating the slip displacement amount of the strike-slip zone of the goose column type normal fault. Drilling data and logging data are combined, horizon calibration and horizon interpretation are carried out on seismic data to obtain a primary calibration seismic profile map, and according to the primary calibration seismic profile map and a horizon coherence body attribute map, mutual verification is carried out to obtain a fine strike-slip zone plane distribution map and a fine calibration seismic profile map of a sedimentary stratum, then the strike-slip zone trend, the strike-slip fault trend and the horizontal fault amount Li of the strike-slip fault in the active period along the tendency are determined by combining the fine strike-slip zone plane distribution map and the fine calibration seismic profile map, and finally the strike-slip displacement amount sigma (Li / sin alpha) of the strike-slip zone of the normal fault is obtained. Under the condition that a research area lacks obvious two-disc markers or lacks a tail-end broom-shaped fault, quantitative characterization of strike-slip displacement of the strike-slip zone can also be carried out, the defects of methods such as obvious staggered markers and tail-end broom-shaped fault are overcome, and quantitative research on activity of underground cases of the goose column type strike-slip zone is effectively promoted.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

A numerical simulation method and system for normal fault induced rock burst

The invention provides a numerical simulation method and system for normal fault induced rock burst, which comprises the following steps: setting stratum parameters of a working face; determining thephysical and mechanical parameters of rock strata according to the geological report of working face and the rock mechanics test report of drill hole; setting boundary conditions; calculating compensation load and lateral pressure coefficients; carrying out numerical simulation of rock mass, faults and goaf caving zone. The invention solves the problem that the research on the influence rule of rock burst in the prior art is lack of accurate numerical model support, the numerical model of normal fault is established, modeling si performed according to the established mechanical parameters of rock strata, the model has high accuracy, and a scientific basis is provided for the prediction and prevention of rock burst in the area affected by normal fault in front of similar conditions.
Owner:SHANDONG UNIV OF SCI & TECH

T link fault distance measurement method

The invention discloses a T link fault distance measurement method. The method comprises the steps of: when an optical fiber channel is normal, identifying a faulty branch by using a T-point compensation voltage; when the optical fiber channel is abnormal, identifying the faulty branch by using a three-terminal fault distance measurement result; then determining a three-terminal fault removal timeaccording to the relationship between a minimum fault current and a set maximum fault current threshold; after the fault is removed, calculating a fault distance measurement per-unit value accordingto a single-terminal distance measurement method, and converting the fault distance measurement per-unit value into the distance from a fault point to a T point. The T link fault distance measurementmethod disclosed by the invention is used in an existing line protection device, for a T link, normal fault distance measurement can still be performed when the communication of a longitudinal channelis abnormal, and particular in the case of a single-phase high resistance ground fault, the distance measurement accuracy can be ensured.
Owner:NARI TECH CO LTD +2

Full-mechanized excavation face superhard rock positive fault blasting method

The invention discloses a fully-mechanized excavation face superhard rock positive fault blasting method which comprises the following steps: S1, according to a result of numerical simulation calculation, intercepting effective stress nephograms of a numerical model at different moments for contrastive analysis; s2, constructing a coal rock model to carry out a blasting similar simulation experiment; s3, calculating a tectonic zone control range according to the normal fault fall; s4, energy-gathered blasting holes and control holes are formed in the fault working face according to blasting specifications; s5, the energy gathering direction of energy gathering blasting is arranged; s6, the blasting holes are filled with energy-gathered cartridges, and directional blasting is achieved; s7, forward charging is adopted as the charging mode; and S8, blasting and weakening the hard rock to finish tunneling of the roadheader. According to the method, the super-hard rock normal fault can be safely and rapidly blasted, the hard rock is fractured in a preferable shaped charge blasting mode in a normal fault structure area, the rock body weakening and roadway supporting effects are good, the problem that dynamic disasters such as surrounding rock instability are induced by common blasting disturbance is effectively solved, and roadway tunneling is safely and efficiently carried out.
Owner:ANHUI UNIV OF SCI & TECH

Method for analyzing normal fault mining effect of overburden hard and thick rock face

A method for analyzing normal fault mining effect of overburden hard and thick rock face includes such steps as S1, establishing UDEC numerical model of relative position relationship between overburden hard and thick rock face and normal fault, setting up UDEC numerical model of overburden hard and thick rock face, setting up UDEC numerical model of relative position relationship between overburden hard and thick rock face and normal fault, and setting up UDEC numerical model of overburden hard and thick rock face; S2, obtaining displacement change curves of that hard thick rock layer and theunderlying rock layer and mining stress change curves of the hard thick rock layer; S3, obtaining the change curve of mining to the stress state of the hard thick rock stratum fault plane and the change curve of mining to the slip amount of the hard thick rock stratum fault plane. The invention solves the problem that the prior art lacks the research on the effect of the fault on the hard and thick rock strata, in order to study and analyze the normal fault mining effect of overlying hard and thick rock face, it is beneficial to further reveal the mechanism of rock burst induced near the fault, and to provide scientific basis and technical support for the study of rock burst, coal and gas outburst, roof control of rock pressure under similar complex geological conditions.
Owner:SHANDONG UNIV OF SCI & TECH

Tectonic earthquake simulation demonstration device

The invention discloses a structural earthquake simulation demonstrator, which comprises an operation table, on which an electric demonstrator is arranged, and a control button is also arranged on the operation table, and the control button corresponds to 8 kinds of structural earthquake demonstrations: normal fault , reverse fault, left-handed fault, right-handed fault, left-handed normal fault, left-handed reverse fault, right-handed normal fault, right-handed reverse fault structure earthquake, the demonstrator also includes a video display device, the video display device is a liquid crystal Display, the size of the said video display device is not less than 47 inches. The main body of the tectonic earthquake simulation demonstrator of the present invention is an electric demonstrator, which can demonstrate the occurrence process of 8 kinds of tectonic earthquakes, and the operator can control the demonstrator to demonstrate the corresponding tectonic earthquakes through 8 control buttons on the console. In this way, the earthquake occurrence process can be displayed more intuitively for the operator, which is conducive to the operator's understanding of the differences between the 8 types of tectonic earthquakes, a deeper impression, and a quick grasp of earthquake knowledge.
Owner:TAIZHOU WEIER INFORMATION TECH CO LTD

Fault information backup method used for fault diagnosis

ActiveCN106468911AWaste of resource spaceWaste of storage spaceProgramme controlElectric testing/monitoringWrite protectionNormal fault
The invention relates to a fault information backup method used for fault diagnosis. Based on the record of product normal fault information, writing protection area operation is added in product important state points, and product important state information is recorded in a protection area storage space, and the record information can be downloaded and checked through a ground maintenance device. According to the protection area maintenance method, reliable reference basis can be provided for troubleshooting after abnormal work of the product, the state information and the fault information recorded by the original ordinary method are backups for each other, and the product reliability is improved.
Owner:SHAANXI QIANSHAN AVIONICS
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