78results about How to "Reduce the difficulty of monitoring" patented technology

A gob-side entry retaining pasty filler on-line detection method comprises the steps that before each monitored space is ready to be filled, supporting rods are fixed to a base plate of a space to be filled through ground anchors, the upper ends of the supporting rods support a top plate of the space to be filled, measuring optical fibers are arranged between the supporting rods, an optical fiber connector is introduced out of the tail portion of the last supporting rod in each set of supporting rods and is connected in a mining optical cable through optical fibers so that optical fiber monitoring signals can be transmitted to a distributed optical fiber demodulator, demodulated signals are transmitted to a computer system, and pasty filler is monitored in real time on line and is analyzed and processed after the space is filled. The gob-side entry retaining pasty filler on-line detection method has the advantages that equipment installation is easy, the method is suitable for being universally popularized, no power supply is needed under a well, a site is safe, all-optical measurement and optical fiber transmission are adopted, influences caused by electromagnetic interference are effectively avoided, a monitoring result can be provided in time, and the method is favorable for directing on-site filling mining production work.

The invention relates to a tunnel construction microseismic monitoring system and a monitoring method. The method comprises the steps that sensors are used to collect seismic source information; a number of sensors are spatially and three-dimensionally distributed inside and outside a tunnel and are connected with a collector; according to the waveform of the seismic source information, rock massfracture seismic source information and auxiliary seismic source information are separated; real-time data processing is carried out on the acquired seismic source information to acquire an effectivedata processing result, including the location, time and energy of cracks generated by a microseismic event corresponding to the rock mass fracture seismic source information and the corresponding shock wave transmission speed; according to the data processing result of the rock mass fracture seismic source information, rock mass cracks are located; and the energy and time of the microseismic event corresponding to each located rock mass crack are combined to acquire the time distribution law and the spatial distribution law of the cracks generated by the rock mass microseismic event. According to the invention, the location and time of the cracks generated by the microseismic event are accurately described to realize the description of a tunnel rock mass destruction process.

The invention discloses a software run-time property monitoring method based on property specification mode, aiming at providing a software run-time property monitoring method beneficial to fault discovery and diagnosis. The technical scheme includes that software run-time property monitoring requirements are classified into multiple property specification modes, a property specification template is constructed for each property specification mode; meta-information data in software to be monitored is extracted, so as to generate a meta-information file; the property specification template is configured, so as to generate a monitoring script file of the software to be monitored; the monitoring script file is analyzed, so as to generate a monitoring code; the software to be monitored and a comprehensive monitoring file are woven, so as to generate new software with run-time property monitoring capability; and the new software generated by weaving is run, software property is monitored and monitoring result is displayed. By adopting the invention, support can be provided for software fault discovery, diagnosis and defect location, software failure and maintenance cost is reduced, monitoring workload and monitoring difficulty are reduced, and timeliness is improved.

The invention discloses a permission management method and device, and relates to the technical field of the computer. A specific embodiment of method comprises the following steps: acquiring permission policies of various service systems; acquiring attribute information of a user when the user attempts to access the service system; distributing corresponding service system role for the user according to the attribute information; and granting the permission of the corresponding service system for the user according to the service system role. Through the method disclosed by the embodiment ofthe invention, the problem that the permission management unification cannot be realized since each system uses a set of independent authorization management system is solved, the permission management and maintenance work of each system is saved, and the safety problem caused by dispersed permission management is reduced.

The embodiment of the invention provides a data monitoring method, equipment and system, which belong to the technical field of computers. The data monitoring method comprises the steps of receiving data monitoring requests for different data sources, and analyzing monitoring rule key words and to-be-monitored data identifications from the data monitoring requests; obtaining monitoring rules corresponding to the monitoring rule key words from a rule base; obtaining a plurality of data sets corresponding to the to-be-monitored data identifications from the different data sources; monitoring the plurality of data sets according to the monitoring rules; sending abnormal data to a user terminal when monitoring results indicate that the plurality of data sets are the abnormal data. Thus, data of the different data sources can be uniformly monitored, the data monitoring difficulty is reduced, and the monitoring execution efficiency is improved.

The frost heaving device of layered telescopic detecting soil and a detecting method thereof are disclosed. In cold area engineering construction, due to the complicated geological condition of a construction site, the monitoring of frozen soil frost heaving deformation is difficult, and frost heaving data at different depths in one area is difficult to acquire at the same time. In the frost heaving device, a plurality of casing-pipe-type monomers are successively arranged on a chassis from bottom to top, an anchor plate is arranged outside a tube body, a displacement sensor is arranged on theinner wall of the tube body, the top end of the tube body is processed with a boss, the bottom end of the tube body is processed with a groove, and the tube body of one casing-pipe-type monomer is slidably cooperated with the two adjacent casing-pipe-type monomers through the boss and the groove. According to the frozen soil type in a test area, the number of measuring points in the test area andthe distribution position of each measuring point are determined, the frost heaving amount data of the frost heaving layer of each measuring point in different time periods is obtained through the frost heaving device, and according to frost heaving amount data gathering fed back by each measuring point, a frozen soil frost heaving deformation condition in the test area is obtained. The device and the method are used for the monitoring of the frozen soil frost heaving amount in a vertical or horizontal direction.

The embodiment of the invention provides a data processing method, equipment and system, which belong to the technical field of computers. The data processing method comprises the steps of obtaining data monitoring requests for different data sources, and analyzing monitoring rule key words and to-be-monitored data identifications from the data monitoring requests; obtaining monitoring rules corresponding to the monitoring rule key words from a rule base according to the matching degree of the monitoring rule key words with various monitoring rules in the rule base; monitoring a plurality of data sets from the different data sources according to the monitoring rules; sending abnormal data to a user terminal when monitoring results indicate that the plurality of data sets are the abnormal data. Thus, data of the different data sources can be uniformly monitored, the data monitoring difficulty is reduced, and the monitoring execution efficiency is improved.

The invention relates to the technical field of display, and discloses a mask plate and a substrate marker manufacturing method, so as to improve the accuracy of the manufacture of substrate markers, reduce the difficulty in product monitoring, and lower the manufacture cost. The mask plate comprises a display area mask part and at least a pair of test marker mask parts, wherein each pair of the test marker mask parts is positioned at both sides of the display area mask part and is opposite, the outside, far away from the display area mask part, of each test marker mask part is correspondingly provided with a protective marker mask part, and the picture contour of the protective marker mask part is bigger than the picture contour of the test marker mask part. When the mask plate is used to expose the adjacent two panel areas with double exposure areas, the effect that the size of the picture contour of a test marker is consistent with that in the theoretical design can be ensured even if the first exposure and the second exposure have position deviation. Therefore, the substrate marker manufacturing method can improve the accuracy of substrate marker manufacturing, reduce the difficulty in product monitoring, and reduce the production cost.

The invention relates to a kitchen monitoring management system for a catering enterprise, and the system consists of monitoring terminals, a monitoring platform, clients, a laser sensor, a video monitor and kitchen equipment. The system is provided with a monitoring platform, and the monitoring platform is connected with many monitoring terminals and clients through a network, so as to carry outthe information processing and transmission. The monitoring terminal is connected with the laser sensor, the video monitor and the kitchen equipment, wherein the laser sensor, the video monitor and the kitchen equipment are installed in the kitchen. The clients comprise a computer client and a cellphone client, and have different authority levels. The related information of the monitoring terminals of a monitored kitchen correlated with one authority level can be checked according to the authority of the client, and the authority level of the client can be set according to the management structure of the catering enterprise. The job position of a security and protection manager determines the level of the client that the security and protection manager can log in. The system can achieve the centralized control of a large number of kitchens, facilitates the leveling management, achieves the detection of gas leakage, and achieves the fire-fighting and early-warning purposes.

The invention discloses electronic cold-hot monitoring and warning equipment and an electronic cold-hot monitoring and warning method, and belongs to the field of temperature monitoring. The electronic cold-hot monitoring and warning equipment comprises a temperature sensor, a built-in loudspeaker, a built-in power supply, a green light-emitting diode (LED) indicating lamp, a red LED indicating lamp, touch buttons, an intelligent computing chip (10), a music integrated circuit (IC) (11), a wireless transmitting module (12), wireless receiving equipment (19), a female terminal (7), a male plug (8), a conducting wire and the like, wherein the temperature sensor transmits temperature data back; the temperature data is subjected to computing by the intelligent computing chip (10); when the temperature exceeds a set value, the intelligent computing chip obtains music from the music IC, and sends an alarm to a keeper through the loudspeaker and the LED indicating lamps; and when the wireless transmitting module and the wireless receiving equipment are turned on, the wireless receiving equipment sends an alarm to the keeper through the loudspeaker and the LED indicating lamps so as to remind the keeper to increase or decrease clothes or change the environment temperature according to a specific warning mode, so that the body temperature and the health of a person under guardianship are normally kept and then the person under guardianship is fully protected.

The invention discloses a super-gravity flow field simulation experiment device and a super-gravity flow field simulation experiment method for density fluid. The super-gravity flow field simulation experiment method includes filling a simulation experiment cavity with heavy fluid at initial moments, injecting dye light fluid into the experiment cavity by a first fluid injection device and carrying out real-time observation and data transmission by a flow field-concentration field monitoring system; ultimately retaining mixed dye fluid on the top of the experiment cavity; carrying out a singleexperiment, then gradually injecting the heavy fluid into the bottom of the experiment cavity until all the mixed dye fluid on the top of the experiment cavity flows into an overflow tank via an overflow pipe, restoring the fluid in the simulation experiment cavity to be in initial states at the moment and allowing a next experiment to be carried out. The super-gravity flow field simulation experiment device and the super-gravity flow field simulation experiment method have the advantages that similar simulation experiments of density fluid convection can be carried out by the aid of super-gravity environments, and accordingly the similarity of the simulation experiments can be greatly improved; multi-parameter combinational experiments can be carried out in a centrifugal rotation period,and accordingly the super-gravity flow field simulation experiment device and the super-gravity flow field simulation experiment method are high in experiment speed, monitoring density and precision,low in cost and wide in range.

The invention relates to a safe early warning beam structure for a longitudinal-beam-free middle bearing type arch bridge and an early warning method of the structure. A structure of the longitudinal-beam-free middle bearing type arch bridge does not adopt a longitudinal main beam, and when a hanging rod of the arch bridge fractures, beam falling accidents can be caused. The safe early warning beam structure comprises a continuous longitudinal beam consisting of a middle spanning connecting beam, a middle spanning support beam, a side spanning connecting beam and a side spanning support beam, wherein the continuous longitudinal beam extends to a cross beam between ribs, the middle spanning support beam forms a bag hanger on the hanging rod cross beam through the cross beam support beam and the connecting hanging rod, the top surface of the middle spanning connecting beam is provided with a longitudinal semitransparent communicating pipe, the inside of the middle spanning connecting beam is filled with low-volatility lubricating oil, the liquid level height differences of lubricating oil at the two ends of the communicating pipe are observed by the semitransparent communicating pipe, and the monitoring on the deformation of the middle spanning connecting beam is realized. The structure and the method have the advantages that the longitudinal beam basically bears no load in the operation stage, when small probability events such as hanging rod fracture occur, the longitudinal beam starts to take effects, the occurrence of the beam falling accidents is prevented, through the adopted communicating pipe, the deformation condition of the longitudinal beam can be observed, and the feasibility of monitoring the hanging rod safety on the basis of longitudinal beam deformation is improved.

The embodiments of the present invention provide an automatic monitoring method and a device for the limping of a broiler chickens. The method comprises the following steps: collecting the video images from the overhead of an active channel of broiler chickens who pass through the active channel; processing the video images to extract the distance information from the preset pixel points on the broiler torsos in the video images to the image collector; using the distance information to determine the postures of the broilers; and evaluating the limping behaviors of the broiler chickens according to the posture indexes to obtain an evaluation result. According to the method and the device for automatically monitoring the limping of broiler chickens provided by the embodiments of the present invention, the video images of the broiler chickens are acquired from the overhead of their active channel activity channel and the video images are processed to obtain the posture indexes of the broiler chickens so as to realize the automatic monitoring of the limping behaviors of the broiler chickens. This reduces the monitoring difficulty and the labor intensity for the monitoring of the limping of broiler chickens.

The invention discloses a supervision comprehensive control system based on an unmanned aerial vehicle. The supervision comprehensive control system includes an unmanned-aerial-vehicle monitoring module and an unmanned-aerial-vehicle detection module. The unmanned-aerial-vehicle monitoring module includes a control sub-module and an unmanned-aerial-vehicle sub-module. The control sub-module includes a remote controller. The unmanned-aerial-vehicle sub-module includes the unmanned aerial vehicle, a signal receiver, radar monitoring, radio monitoring, visible-light infrared flaw detection, an information analysis and processing device, a server and a monitoring terminal. The unmanned-aerial-vehicle detection module includes a detection sub-module, an early-warning module and a supervision terminal. According to the system, a structure is scientific and reasonable, use is safe and convenient, a specific location of the unmanned aerial vehicle in the air can be located through the unmanned-aerial-vehicle detection module, locating difficulty of the unmanned aerial vehicle is reduced, an accurate countermeasure can be implemented on the unmanned aerial vehicle by using the supervision terminal, the unmanned aerial vehicle is forced to return or land according to a command of a commander, thus regulation of the unmanned aerial vehicle is realized, and a phenomenon that the unmanned aerial vehicle interferes with normal flight of a passenger aircraft is prevented.

The invention relates to a platform and method for monitoring a ground test launch control system. The method comprises reasonably planning a ground single machine and cable network layout; acquiringthe display images of a status display and a central computer display, and the status image of a test launch control device panel; identifying a currently executed process step; calling a corresponding template from a template; performing matching; and determining that a current test status is normal if matching is successful, or giving an alarm if not. The platform rearranges cable positions by acable arrangement box, is provided with a wire duct, and is provided with an independent wiring space to help the concentration of respective single machines of a test launch control system and a monitoring and operation panel. The platform and method perform comprehensive judgment by identifying a first word and a color block length, ensure the accuracy of process identification, obtain the corresponding template through the process, and ensure the accurate monitoring of the device state by the matching of the template.

The invention discloses a foundation pit support top deformation monitoring system based on visual measurement and a method thereof, which solve the defects that the data acquisition precision is affected by many factors and the field implementation difficulty is high in the traditional method, and are characterized in that a test camera group is installed outside a foundation pit, and a lamp target is arranged outside the foundation pit deformation influence range as a reference point; a lamp target is arranged at the corresponding position of the top of a foundation pit support to serve as a monitoring point, a wireless module remotely controls a test camera set and the lamp target to start and work at the same time, an image of the lamp target is obtained, and pixel coordinates of the center of a light circle of the lamp target are obtained through a coordinate resolving module; according to the foundation pit support top deformation monitoring system based on visual measurement and the method thereof, deformation data can be collected and fed back in real time, the installation is simple and convenient, and the testing precision is high.

The invention relates to a vehicle emission remote online monitoring platform and system and a vehicle-mounted terminal. The platform acquires static data and real-time dynamic data of a vehicle through a data acquisition module; a prediction module obtains a DPF carbon deposition rate model by using an evaluation model based on Weibull distribution reliability; the prediction module also calculates the average carbon deposition interval time according to the DPF carbon deposition rate model, the static data and the real-time dynamic data, and predicts the carbon content to obtain a prediction result; a data storage and analysis module performs analysis and statistics on the static data and the real-time dynamic data to obtain an analysis and statistics result, and stores the analysis and statistics result and the prediction result in a database; and a front-end UI calls the data in the database through an API. According to the platform, intelligent prediction under mass data is realized, and data support is provided for decision-making of vehicle governance policies.

The invention discloses a method of monitoring the planarization process of a medium, comprising the steps: A. making a specific monitoring pattern in the process of making a heterojunction bipolar transistor (HBT); B. applying a photoresist to a substrate which has the monitoring pattern and is treated by the planarization of the medium by spin coating, carrying out photoetching and development and making a pattern with a specific shape on the monitoring pattern; C. etching the substrate for a certain time by oxygen or oxygen containing plasma; D. observing the monitoring pattern under an optical microscope; and E. repeating steps C and D until emitter metal, basal poles and collector binding posts are exposed. The invention carries out the processes of making the monitoring pattern and devices simultaneously without additional technical processes, reduces the monitoring difficulty, improves the monitoring precision, avoids costs of complicated equipment, effectively saves costs, can accurately monitor the planarization process, stabilizes the process and avoids the process instability caused by over etching or under etching.

The invention relates to a frost heaving monomer of flexible non-contact type detection soil, a detection device and a detection method thereof. In cold area project construction, the geological condition of a construction site is complex; the frost heaving deformation monitoring difficulty of frozen soil is high; frost heaving data at different depths in an area is difficultly obtained at the same time; a sleeve in the frost heaving monomer is arranged between an upper anchor plate and a lower anchor plate; a support rod is arranged in the sleeve; furthermore, the lower end of the support rodis fixedly connected onto the lower anchor plate; a reference plate is arranged on the upper end of the support rod; a displacement sensor is arranged over the reference plate; the detection method is that: the number of test points in a test area and the distribution position of various test points are determined according to the frozen soil type of the test area; a detection device, which is composed of a frost heaving monomer or at least two frost heaving monomers, is correspondingly installed at the position of each test point; the frost heaving amount data of a frost heaving layer, wherethe various test points are, at different times is obtained; and the frost heaving deformation condition of the frozen soil in the test area is obtained by summarization of frost heaving amount datafed back by the various test points. The frost heaving monomer of the flexible non-contact type detection soil, the detection device and the detection method thereof in the invention are used for monitoring the frost heaving amount of the frozen soil in the vertical or horizontal direction.

The invention provides an oil product leakage monitoring technology adopting a radioactive tracer, and relates to the technical field of oil product permeation detection. A preparation method of the radioactive tracer comprises the following steps of: loading an isotope tracer on a porous carrier in an acid solution; providing a precipitant solution, wherein the precipitant can react with the isotope tracer to form an insoluble substance; and providing a hydrophobic solvent, performing surface hydrophobic treatment on the porous carrier loaded with the insoluble substance by the hydrophobic solvent, and drying to obtain the radioactive tracer. The monitoring technology comprises the following steps: acquiring initial state data by using a detection module; transmitting the initial state data to a server side for automatic storage, and determining a background value; measuring measured signal values at various moments, and transmitting the measured signal values to the server side for automatic storage; and comparing the measured signal values at various moments with the background value, transmitting an alarm signal to an alarm module by the server side when result data changes suddenly, and outputting information of a leakage position and an oil substance diffusion track in an area.

The invention provides an electroencephalogram time frequency information visualizing method. The method has the advantages that the part below the waveforms of video-information-superimposed electroencephalogram is displayed in a pseudo color, a doctor can monitor the pathological change of electroencephalogram only by observing color information which is easier to notice, and monitoring difficulty is lowered; due to the fact that frequency information which actually needs to be observed is the energy intensity of specific frequency bands, frequency information can be lowered two one dimension, only the energy sum of specific frequency bands is kept, lead, which is an extra dimension, is extended, and accordingly the doctor can observe a time frequency graph with the transverse axis being time and the longitudinal axis being lead position and using the pseudo color to display specific frequency band energy; meanwhile, high-frequency pathological wave information is displayed through the pseudo color, low-frequency physiological wave information is displayed through time domain waveforms, and accordingly the doctor can observe two information at the same time, and diagnosis is facilitated.

The invention relates to a method for monitoring vegetation water source conservation amount change. The method comprises the steps of acquiring global land total water reserve change data, rainfall,actual evapotranspiration, soil water reserve, snow melting amount, snow water reserve, surface water reserve, underground water reserve, water resource amount change amount, dry branch and fallen leaf layer interception amount, average natural water content, maximum water holdup and litter accumulation amount; preprocessing data, and calculating the vegetation canopy water storage variation; calculating interception variation of a dry branch and fallen leaf layer; calculating soil water storage variation; and determining the water conservation variable quantity according to the vegetation canopy water storage variable quantity, the dry branch and fallen leaf layer interception variable quantity and the soil water storage variable quantity. A traditional method for calculating the soil water storage capacity through the product of the soil layer thickness and the non-capillary porosity is abandoned, the soil water content remote sensing data provided by NASA is used for calculating thesoil water storage variable quantity, and new technical support and reference are provided for ecological restoration process, ecological effect evaluation and water conservation evaluation.

The invention provides a method, apparatus and system for implementing a DIAMETER signaling gateway, and relates to the field of mobile communication. The method comprises the following steps: performing routing analysis on received load sharing data to obtain an analysis exit; and determining a flow exist of the load sharing data according to the congestion degree of the analysis exit. Therefore smooth interconnection of signaling between an LTE network and a 2G / 3G network is realized, the complexity of direct connection between DIAMETER network elements is reduced, an IP network better satisfy the service and flow control demands in the future, and meanwhile the network monitoring difficulty is greatly reduced.

The invention relates to a relay protection constant value monitoring method and device, a relay protection device and a storage medium. The method comprises the steps of obtaining the target binary data, wherein the target binary data comprises the binary data corresponding to each piece of constant value information; splitting the target binary data to obtain each piece of sub-data, and carrying out XOR operation on each piece of sub-data to obtain a monitoring feature code; and determining a constant value monitoring result according to a comparison result of the monitoring feature code and a preset feature code. The method has the advantages of being small in calculation amount and simple in step, the constant value monitoring can be completed through a relay device, and therefore the monitoring cost and the upgrading and rebuilding difficulty can be reduced. Meanwhile, in the monitoring process of the relay protection device, a safety computing power margin can be reserved, so that the safety of a power grid can be improved, the scheme of the invention can be applied to most relay protection devices, and the applicability is enhanced.

The invention provides a pipeline monitoring method and system based on LabVIEW, and relates to the technical field of pipeline operation and management. The pipeline monitoring method and the system based on LabVIEW comprises the following steps that firstly, data initialization setting for a resource name, a baud rate, a data bit, parity checking, a stop bit and flow controlling corresponding to a VISA serial port is conducted by a serial port initialization unit; secondly, a first temperature data, a second temperature data, a flow data and a pressure data collected by a lower computer are read by a data reading unit through the VISA serial port; thirdly, the data is optimized through a data processing unit, and corresponding numerical information and curve information are generated, when the numerical information exceeds a preset security range, an alarm is started; and finally, the numerical information and the curve information are displayed by a data display unit. According to the technical schemes, the technical problems of complicated pipeline monitoring mode and low monitoring efficiency existed in the prior art are alleviated, the existing pipeline data monitoring method is simplified, visual and striking embodiment of the pipeline data are realized, and efficiency of pipeline data monitoring is improved.

Provided is a recognition device for transverse torsion of a bridge swivel construction. The device comprises stair-stepping electrode tubes respectively arranged at two sides of a box beam, wherein the stair-stepping electrode tubes are internally provided with a plurality of detection electrodes of which insertion depths are distributed in stepped appearance, the portion, under each detection electrode, of the corresponding stair-stepping electrode tube is filled with conducting liquid, each stair-stepping electrode tube is further provided with a path electrode frequently immersed in the conducting liquid, the detection electrodes at different insertion depths are respectively connected to external caution lights, the other end of each caution light is connected to a power supply to form a loop, and each loop is provided with a switch; two stair-stepping electrode tubes at the two sides of the box beam form a U-shaped tube structure through a conduit, the liquid levels of the conducting liquid in the two stair-stepping electrode tubes are kept in a same horizontal plane, when the box beam twists and deforms, each liquid level of the conducting liquid in the corresponding stair-stepping electrode tube is correspondingly increased or decreased, so that different caution lights can be caused to illuminate. The recognition device for transverse torsion of the bridge swivel construction has the advantages that the detection difficulty is reduced, and on-site workers can find the cause of the deformation and make corresponding adjustments according to the change of the cautionlights.

The invention relates to a miniature circuit breaker monitoring method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring electrical parameter data when a miniature circuit breaker switch acts through an intelligent electric energy meter; determining switching time of the miniature circuit breaker by filtering the electrical parameter data; acquiring the signal complexity of the electrical parameter data in the switching time; determining the aging state of the miniature circuit breaker according to the switching time and the signal complexity; and performing fault early warning on the miniature circuit breaker according to the aging state. By adopting the method, the monitoring difficulty and the monitoring cost of the aging fault of the miniature circuit breaker can be reduced.

The invention provides a method for indirect evaluation of the safety behavior of existing pipelines under shield excavation, which belongs to the technical field of shield tunnel construction environmental impact. By establishing the relationship between pipeline settlement and surface settlement, the pipeline can be determined by monitoring the surface settlement safe behavior. In this method, the correlation equation between the ground surface settlement and the pipeline settlement is firstly established by combining the shield construction parameters, pipeline parameters and soil parameters through the three-dimensional finite element model, and at the same time, the surface settlement monitoring points are arranged to obtain the surface settlement curve during shield tunneling; and then deduced The pipeline settlement curve is obtained; then according to the curvature of the pipeline settlement curve, the internal force of the pipeline is reversed; finally, the internal force of the pipeline is compared with the allowable internal force to determine the safe state. This method does not need to directly monitor the pipeline. By establishing the relationship between the surface settlement and the pipeline settlement, the safety behavior of the pipeline can be determined by monitoring the surface settlement data, which greatly reduces the monitoring workload and difficulty in engineering.

The invention relates to a soil frost heaving detection device without an external power supply and a detection method of the soil frost heaving detection device. In the construction of cold region engineering, frost heaving deformation monitoring of frozen soil is high in difficulty and low in efficiency, and most of existing soil frost heaving detection devices require continuous external powersupplies, so that corresponding matched instrument equipment on the surface is relatively numerous, the occupied area is large, surface damage parts are relatively numerous, and the operation steps are complicated. According to the device, a sleeve pipe is arranged on a base plate; an upper anchor plate is fixedly connected to the upper end of the sleeve pipe; an elastic part is arranged in the sleeve pipe; the stress end of a tension sensor penetrates through the upper anchor plate to be connected with one end of the elastic part; and the other end of the elastic part is connected with the base plate through a connecting rod. According to the method, a soil frost heaving detection device is correspondingly installed at each measuring point; frost heaving amount data of a frost heaving layer wherein each measuring point is located in different time periods is obtained through each soil frost heaving detection device; and a frost heaving deformation situation of the frozen soil in a test area is obtained by summarizing the frost heaving amount data fed back by all the measuring points. The detection device and the detection method are used for monitoring the frost heaving amount ofthe frozen soil.