140results about "Hydrostatic levelling" patented technology

The invention discloses a building settlement detection device for building engineering quality detection, and belongs to the technical field of building settlement detection, the building settlement detection device comprises a detection body and a detector 1, the detection body is internally provided with a spherical cavity, the spherical cavity is internally sleeved with a spherical body, the top of the spherical body is connected with a detector 2, and the bottom of the spherical body is connected with a counterweight pipe. The vertical state is always kept through rotation of the spherical body and the spherical cavity and cooperation of the balancing weight, liquid level inclination is avoided, the detection accuracy is guaranteed, the liquid bag is compressed through the inner ring during inclination, the first rotating ring is driven by a hydraulic medium to rotate, and the inclination direction is comprehensively and automatically detected; when the rotating ring rotates to the inclined direction, pressure relief is performed through communication of the communication groove and the annular groove, the rotating ring stops rotating, the direction pointed by the pointer is the inclined direction, all-dimensional automatic detection of the inclined direction and the inclined degree is achieved, and detection angle limitation is avoided.

The invention discloses a ground surface settlement and ground fracture monitoring device and method based on distributed fiber sensing (DSS) and fiber bragg grating (FBG). The device comprises a GFRP composite material substrate which stretches across a ground fracture and is fixed on a stable stratum through an anchoring structure, a distributed sensing and temperature measuring optical cable which is pre-embedded in a groove of the substrate, an FBG displacement meter which is connected through a plug-and-play interface, a static force level gauge, an osmometer and other point type sensors, and the data processing unit has the functions of multi-source data acquisition, temperature compensation, data fusion and multistage early warning. According to the method, multi-parameter, distributed and high-precision monitoring of the ground fracture development state is achieved through the steps of field investigation, substrate installation, sensor deployment, system calibration, real-time monitoring and the like. The method has the advantages of high measurement precision, strong anti-interference capability, convenient installation, low cost, capability of predicting the crack propagation trend and the like, and is suitable for long-period safety monitoring of geological disaster frequent areas such as mining areas and landslide areas.

The utility model discloses a structural settlement diagnostor which comprises an intelligent gateway, a liquid storage tank, a static level gauge a, a static level gauge b and a static level gauge c which are respectively connected in series through an air pipe, a liquid pipe and a communication bus. When the static force level gauge a, the static force level gauge b and the static force level gauge c are replaced and maintained, the connecting nut is rotated, the connector a and the connector b are separated, no pressure exists between the ejector rod and the conical round head b, under the action of resilience force of the elastic piece a and the elastic piece b, the inner taper hole round plate a makes contact with the conical round head a, the connector a is sealed, and the static force level gauge c is maintained. And an inner taper hole circular plate b is in contact with a conical round head b to seal a connector b, so that the condition of liquid leakage is avoided after the liquid pipe is detached, and the maintenance difficulty is reduced.

The invention belongs to the technical field of foundation settlement monitoring, and discloses a layered monitoring device and method for deep foundation settlement, a combined system of springs and steel strings is innovatively adopted, the measuring range and the application range of a vibrating wire type monitoring structure are expanded, and checking calculation results show that the vibrating wire type monitoring structure can meet the requirement for foundation deformation monitoring; a hard plastic anchoring plate is adopted, traditional point contact anchoring is converted into a surface bearing mode, it is ensured that the device and a soil layer are integrally solidified and synchronously settled through backfill soil pressure, mechanical transmission errors caused by indirect measurement are effectively eliminated, and the physical authenticity and precision of monitoring data are remarkably improved; the vibration excitation and vibration pick-up integrated module is used for converting tiny deformation into high-stability frequency signals with high anti-interference capacity, dependence on manual on-site reading is eliminated, and all-weather and unattended automatic real-time monitoring of foundation settlement is achieved.

The invention discloses an ancient building settlement situation prediction method and system based on decomposition integration, and belongs to the technical field of cultural relic settlement monitoring and deep learning crossing. The method comprises the following steps: acquiring multi-source settlement monitoring data of an InSAR, a GNSS, a traditional sensor and the like, and generating continuous time sequence characteristic data by preprocessing a data format, complementing missing values and performing standardization; inputting the processed data into a pre-training neural network model based on a Transform architecture, capturing a long time sequence dependency relationship by using a multi-head attention mechanism of the pre-training neural network model, and outputting a future settlement predicted value; and setting a grading early warning threshold according to the type of the ancient building, generating early warning information in combination with a prediction result, and outputting a visual chart containing comparison between a true value and a predicted value. According to the method, efficient processing and long-time-sequence accurate prediction of settlement data are realized, and reliable technical support is provided for early discovery and disposal of settlement diseases of cultural relics and buildings.

The monitoring device based on the communicating pipe principle comprises a liquid storage tank, a monitoring assembly, a measuring area and a remote terminal, the liquid storage tank is used for containing liquid, the monitoring assembly comprises a radar liquid level meter and a bubble monitoring mechanism, the radar liquid level meter is arranged at the top of the inner wall of the liquid storage tank, and the bubble monitoring mechanism is arranged in the measuring area. The bubble monitoring mechanism is arranged on one side wall of the liquid storage tank, a measuring area is arranged on one side of the liquid storage tank, a plurality of static level gauges are arranged in the measuring area and connected with the liquid storage tank, and the radar liquid level meter, the bubble monitoring mechanism and the static level gauges are all in wireless communication connection with the remote terminal. The radar liquid level meter and the bubble monitoring mechanism send the collected liquid level height value and the bubble number to the remote terminal, the remote terminal analyzes data, judges the liquid level remaining use time and pushes an operation and maintenance notice in time, the operation and maintenance effectiveness is improved, and meanwhile waste of operation and maintenance resources is avoided.

The invention belongs to the technical field of bridge engineering, and particularly relates to an analysis method for intelligently sensing a hanging basket of a corrugated steel web box girder bridge, a terminal and a storage medium, and the method comprises the steps: obtaining deformation data of a plurality of measurement points installed on the hanging basket of the corrugated steel web box girder bridge in an actual asynchronous method construction process; establishing an initial finite element model based on the geometric information of the hanging basket structure, and setting an elastic constraint condition at each support position of the initial finite element model; according to the invention, the static level gauge, the inclinometer and the strain gauge are arranged at the key positions of the hanging basket to construct a multi-source sensing monitoring network, so that the cooperative sensing of the vertical displacement, the inclination attitude and the structural strain is realized, and the comprehensiveness and accuracy of the state sensing in the construction process are effectively improved. Secondly, a vertical spring unit is introduced into the finite element model to serve as elastic constraint, the vertical compression deformation behavior of the corrugated steel web under the load effect is truly simulated, and the physical authenticity of boundary conditions is remarkably improved.

The invention relates to the technical field of tunnel settlement measurement, in particular to tunnel construction settlement measurement equipment which is used for measuring settlement of the top and the bottom of a tunnel and comprises a top measurement piece making contact with the top of the tunnel and a bottom measurement piece making contact with the bottom of the tunnel. A measuring tube communicated with an inner cavity of the bottom measuring piece is fixedly installed on one side of the bottom measuring piece, liquid is contained in the measuring tube and the inner cavity of the bottom measuring piece, a liquid level sensor for detecting the height of the liquid level in the tube is installed on the measuring tube, and an elastic piece for pushing the top measuring piece and the bottom measuring piece to be away from each other is fixedly installed between the top measuring piece and the bottom measuring piece. The top measuring piece and the bottom measuring piece make contact with the top and the bottom of the tunnel all the time, so that when the tunnel vault and the tunnel foundation are settled, the page in the measuring pipe rises and falls, whether the tunnel vault is settled or the tunnel foundation is settled can be rapidly known through the liquid level sensor, and the numerical value of the settlement amplitude is obtained.

The utility model discloses a static leveling instrument cable-stayed bridge monitoring device based on Beidou positioning, and relates to the technical field of monitoring. The static leveling instrument comprises a static leveling instrument, the bottom of the static leveling instrument is fixedly connected with a support, the bottom of the support is rotationally connected with a supporting rod, the front side of the support is fixedly connected with a transverse rod through a connecting piece, and the front side of the support is provided with a camera. By arranging the static level gauge, the support, the supporting rod, the rotating block, the fixing ring, the transverse rod and the signal transceiver, the supporting rod and the transverse rod form an extending support through the rotating block and the fixing ring, the signal transceiver is erected to an unshielded area on the outer side of a pier, it is ensured that Beidou satellite signals are stably received, and the static level gauge provides local settlement data; the method is integrated with the absolute coordinate data of Beidou positioning and the deformation data of the cross bar, compensates the limitation of a single sensor through an algorithm, improves the precision of settlement monitoring in a complex environment, and guarantees the long-term monitoring reliability.

The utility model relates to the related technical field of settlement detection, in particular to a power transmission tower settlement detection device which is arranged on the periphery of a power transmission tower and comprises a plurality of static force level gauges, and every two adjacent static force level gauges are communicated through the inner side of a communicating pipe. Connecting seats are symmetrically arranged on the static force level gauge, and grooves are distributed in the connecting seats at equal intervals along the circumference; connectors are arranged at the two ends of the communicating pipe respectively, the connecting bases are inserted into the connectors, and elastic clamping pieces arranged in the connectors at equal intervals along the circumference can be inserted into the grooves; when the connecting base is inserted into the connector, the elastic clamping piece can be inserted into the groove under the elastic acting force, and the locking piece is controlled to lock the position of the elastic clamping piece, so that fluid leakage can be effectively prevented while the two ends of the communicating pipe are connected with the connecting base in a sealed mode; and the detection accuracy of the static leveling instrument is ensured.

The invention relates to the technical field of wireless sensor networks, and discloses a transformer substation ground deformation sensor monitoring signal collecting and monitoring method, system and device and a medium, and the method comprises the steps: dividing monitoring areas and selecting corresponding types of sensors according to ground deformation risks of different functional areas of a transformer substation; constructing a multi-channel synchronous signal acquisition system, synchronously acquiring sensor signals through a clock synchronization technology, and dynamically adjusting the sampling frequency; a wireless communication network is adopted to transmit the collected data, and data transmission is carried out; processing and analyzing the data transmitted to the monitoring center, and establishing a ground deformation prediction system comprising a finite element model, a neural network model and a time sequence model; and setting an early warning threshold based on the real-time analysis result, triggering a corresponding early warning signal, and displaying the monitoring data and the early warning state through a visual interface. According to the method, a data transmission and processing mechanism is improved, rapid and stable data transmission is ensured, the ground deformation trend is analyzed in time through an efficient algorithm, a reliable basis is provided for safe operation of a transformer substation, and potential risks are early warned in advance.

The invention discloses a hydrostatic leveling system terminal edge calculation method with universality. The height from the liquid level to be measured to the bottom of the static leveling instrument is defined as the liquid level height, and a base rock mark is used as a reference point; the upper computer is connected with the static level gauge and then triggers correction, liquid level height measurement values corresponding to the magnetostriction sensor and the photoelectric sensor are obtained, the large liquid level height measurement value serves as the standard height, and the average value of the difference values corresponding to the two liquid level height measurement values within the preset time length serves as the liquid level error value. The liquid level error value is added to the small liquid level high measurement value, so that the corresponding measurement values of the magnetostriction sensor and the photoelectric sensor are unified; settlement difference data are obtained through a magnetostrictive sensor and a photoelectric sensor, the accumulated settlement starting time is determined after the static leveling instrument is installed for the first time, the negative value of the liquid level height difference value of a layering mark and a bedrock mark at the time point is calculated to serve as the first adjustment difference, and the settlement difference reported after the starting time point is the cumulant relative to the starting time point.

The invention relates to the technical field of detection devices, and discloses a DGIS-based railway bridge and tunnel settlement automatic monitoring device and method.The DGIS-based railway bridge and tunnel settlement automatic monitoring device comprises a datum point observation platform, a GNSS monitoring system and a static level gauge, the upper side of a base is fixedly connected with a supporting rod, and the upper end of the supporting rod is rotationally connected with a connecting rod; a photovoltaic panel is fixedly connected to the upper end of the connecting rod, a box body is arranged on the outer wall of the upper end of the supporting rod, a double-shaft motor is arranged in the box body, and a cleaning mechanism and a light-following rotating mechanism are fixedly arranged at the output end of the upper side of the double-shaft motor. By means of the base, the supporting rod, the static level gauge, the GNSS monitoring system, the datum point observation platform, the double-shaft motor, the light-following rotating mechanism, the cleaning mechanism and the connecting rod, the problems that the GNSS monitoring station usually depends on a fixed-angle solar cell panel and a storage battery for power supply, the solar cell panel can be covered with dust after long-time outdoor use, and consequently the power generation efficiency is reduced are solved.

The invention relates to the technical field of settlement height monitoring, in particular to a device and method for high-precision measurement of roadbed settlement height, and the device for high-precision measurement of roadbed settlement height comprises a housing, a buoy, an internal measurement mechanism and an adjusting part. A center rod is arranged in the shell, the center rod is coaxially sleeved with a spiral rail, and a spiral groove is formed in the peripheral face of the spiral rail. The floating cylinder is coaxially arranged outside the spiral track in a sleeving mode, the floating cylinder can move up and down along the center rod along with the height change of the liquid level in the shell, and a ball structure is arranged on the inner circumferential face of the floating cylinder and can slide along the spiral groove; the internal measuring mechanism is arranged between the buoy and the shell, and the internal measuring mechanism can measure the height of the liquid level; the adjusting piece can move up and down along the center rod, so that the screw pitch of the spiral track is changed, the up-and-down moving speed of the buoy is changed, and the accuracy of the roadbed settlement monitoring result can be improved.

In the embodiments herein, an instrument for level and plumb determinations, includes: a sealed chamber of equal dimensions made from transparent or translucent material marked with center lines and filled with a colored fluid, so when placed on any surface. Relative to the orientation of the surface to the face of the earth, the instrument reveals if a surface is: plumb within an upright position; level within a horizontal position; or at an angle, which can be marked and transferred. Reference lines are placed exactly parallel and centered to the sides and ends.

The invention relates to the technical field of hydraulic engineering construction, and discloses a shaft excavation ground surface settlement monitoring device which comprises a base, and a lifting mechanism is installed at the top of the base and used for lifting the position of a top monitoring structure; the rotating mechanism is mounted at the top of the lifting mechanism and is used for adjusting the direction of the top monitoring structure; and the monitoring mechanism is mounted at the top of the rotating mechanism and is used for monitoring ground surface settlement. The method comprises the following steps: step S1, a measuring point laying step; step S2, a data acquisition step; step S3, a data transmission step; s4, a data analysis and early warning step; and S5, a feedback and control step. According to the invention, through the combined application of the static force level gauge and the micro-differential pressure liquid level sensor and the precise positioning of the lifting mechanism and the rotating mechanism, continuous and high-resolution relative elevation measurement can be carried out on the local area around the vertical shaft.

The utility model discloses an automatic monitoring system for a movable formwork, which comprises a monitor, a wireless communication base station, a plurality of strain gauges, a plurality of static leveling gauges, a plurality of ultrasonic sensors, a displacement sensor and a plurality of cameras, a plurality of strain gauges, a plurality of static level gauges, a plurality of ultrasonic sensors, a displacement sensor and a plurality of cameras which are arranged on the movable formwork are all connected with a wireless communication base station, and the wireless communication base station is in wireless communication connection with a monitor. According to the utility model, stress monitoring, action monitoring and video monitoring can be carried out on the mobile formwork, and wireless uploading can be carried out through the wireless communication base station, so that management personnel can conveniently and remotely monitor on-site operation conditions and on-site construction conditions of the mobile formwork in real time, and potential safety hazards are avoided.

The application discloses a kind of quick liquid filling device and liquid filling method for static level system, and relates to a kind of static level liquid filling device.It can be filled with freeze-proof liquid to entire static level observation system efficiently and quickly without generating air bubble.The static level system includes liquid storage liquid tank with liquid tank upper sealing cover on top, PU liquid inlet pipe connected with the outlet of the bottom of liquid storage liquid tank and several static level sensors in series in PU liquid inlet pipe;freeze-proof liquid tank provides freeze-proof liquid for static level system;The quick liquid filling device includes vacuum pump, speed regulation circuit board and lithium battery connected with each other, the speed regulation circuit board is powered by lithium battery for vacuum pump, and the speed of the vacuum pump is controlled by the speed regulation circuit board.The application has the advantages of self-power supply, high liquid filling efficiency, low labor intensity, controllable and adjustable pressure during liquid filling process, and can perform system air tightness pre-checking.

The invention relates to the technical field of house safety monitoring, in particular to a house settlement and inclination safety monitoring system which comprises a sensing module, a transmission module, a data processing module and an application module, and the sensing module is composed of a static leveling instrument set and a double-shaft inclinometer set and used for monitoring the settlement and inclination conditions of a house respectively. The static leveling instrument is connected through a pipeline and is provided with a liquid storage barrel to ensure air pressure balance; the double-axis inclinometer measures inclination angles in the X-axis direction and the Y-axis direction, a monitoring cloud platform in the application module provides real-time data display, a three-level early warning mechanism and a comprehensive engineering management function and supports access of a mobile phone end and a PC end, and the system can calculate settlement single-time variation, accumulated variation and inclination angle variation. The building safety monitoring system is convenient to install and maintain, meets safety monitoring requirements of various buildings, and is particularly suitable for foundation projects needing long-term monitoring.

According to the high-speed railway subgrade settlement distributed monitoring method and system, the high-speed railway subgrade settlement distributed monitoring method has the advantages that the technology is mature, the precision is high (millimeter level), layered settlement of different soil layers can be measured, data are visual and reliable, and the precision is extremely high (can reach 0.1 mm level); the optical fiber is a sensor and a transmission medium and can continuously sense deformation of any point along an optical fiber path, the spatial resolution can reach the meter level or even the centimeter level, the anti-interference performance is high, the corrosion resistance and the electromagnetic interference resistance are achieved, the long-term stability is good, and the real distribution is achieved; the method is suitable for long-term monitoring, can realize multi-parameter monitoring (combining with different demodulation technologies and simultaneously monitoring settlement, strain, temperature and the like), and the monitoring system has full-time-domain continuity: 7 * 24-hour uninterrupted monitoring, which is far better than the frequency and full-space distribution of traditional manual inspection.

The application discloses a kind of for collapsible loess foundation settlement monitoring device, it is related to foundation settlement monitoring technical field, including base and the reference cylinder being set to base one side, the top of the base is fixedly connected with cover by bolt, the top of the cover is connected with top seat by bolt, the inside of the cover is provided with monitoring rod, the circumference of the monitoring rod is slidably connected with float;The inside of the cover is provided with expansion assembly, the top of the top seat is provided with exhaust assembly, the inside of the base is fixedly connected with circuit board, the circumference outer wall of the base is respectively provided with first docking pipe and plug, one end of the first docking pipe is fixedly connected with connecting pipe.The application effectively avoids the problem of measurement interruption caused by liquid level being too high to exceed the initial monitoring range of float, realizes the dynamic improvement of the monitoring range of the whole settlement monitoring device, meets the monitoring demand of people to collapsible loess foundation settlement.

The invention relates to the technical field of settlement monitoring, in particular to a real-time online monitoring system for the settlement amount of a water delivery pressure open pipeline, which comprises a monitoring net group, a monitoring net group and a monitoring net group, and is characterized in that each monitoring net group consists of a liquid storage tank and two MEMS static level sensors and is used for acquiring the liquid pressure of each monitoring point in real time; the liquid storage tank and one MEMS hydrostatic level sensor are mounted on the upstream anchor block, the other MEMS hydrostatic level sensor is mounted on the downstream anchor block, and the liquid storage tank is communicated with the two MEMS hydrostatic level sensors through connecting water pipes; the settlement value calculation module is used for calculating the liquid pressure variation among different monitoring points, and dividing the liquid pressure variation by the density and the gravitational acceleration of the liquid to obtain a real-time settlement value; and the intelligent comparison module is used for judging whether the real-time settlement value is normal or not and performing early warning in time. According to the invention, the monitoring precision can be obviously improved, and the influence of temperature change on monitoring results is reduced.

The invention discloses a building settlement monitoring method and system, and is applied to the technical field of intelligent monitoring, and the method comprises the steps: laying a plurality of monitoring control points in a surrounding stable region of a to-be-monitored building, and constructing a monitoring network according to the monitoring control points; acquiring first settlement data of a plurality of point locations outside the to-be-monitored building on the monitoring line segment, and fitting a maximum settlement area inside the to-be-monitored building according to the first settlement data; and carrying out settlement measurement on point locations in the maximum settlement area through precise leveling to find out a maximum settlement point location and a corresponding settlement value. According to the method, the area where the maximum settlement possibly exists is determined firstly in an automatic monitoring mode, then further precise measurement is conducted, the labor hour caused by precise level monitoring can be effectively reduced, the maximum settlement condition in the building can be effectively obtained, and then the safety condition of the building is analyzed.

The invention relates to the technical field of floor slab construction equipment, in particular to ultrahigh reinforced concrete floor slab construction equipment and a construction method thereof. According to the technical scheme, the tension detection device comprises a plurality of stand columns and further comprises a detection rod which is installed between every two adjacent stand columns and used for detecting tension between every two adjacent stand columns, each detection rod comprises pull rods fixedly installed on the two corresponding stand columns, and a tension detection component is fixedly installed between the two pull rods. The tension detection component comprises a hydraulic cylinder fixedly connected with one pull rod, a piston is slidably and hermetically connected in the hydraulic cylinder, a connecting rod is fixedly mounted on the piston and fixedly connected with the other pull rod, and pressure gauges are fixedly mounted at two ends of the hydraulic cylinder. According to the invention, the hydraulic detection rod and the bidirectional pressure gauge are integrated, so that high-sensitivity detection of tension between the adjacent columns and accurate judgment of the settlement direction are realized, and the risk of internal force redistribution caused by wrong adjustment due to misjudgment of the settlement columns is fundamentally avoided.

The invention discloses an open caisson real-time posture monitoring system and method based on the hydraulic communication principle, and belongs to the field of open caisson posture monitoring. The open caisson real-time posture monitoring system based on the hydraulic communication principle comprises an open caisson body, and open caisson inner sensors located at the same height are arranged in the open caisson body; an earth surface reference sensor, a liquid storage tank and data recording and processing equipment are arranged on the open caisson body, the open caisson inner sensors are used for collecting water pressure data of the same height in the open caisson, and the liquid storage tank communicates with the earth surface reference sensor and the open caisson inner sensors through liquid transmission pipelines. And the earth surface reference sensor and the in-open caisson sensor are connected with the data recording and processing equipment through data lines. According to the open caisson real-time attitude monitoring system and method based on the hydraulic communication principle, the problems that in the prior art, precision is low, arrangement is complex, the anti-interference capacity is weak, maintenance is difficult, and manual guarding is needed can be solved.

The invention relates to the technical field of static force level gauges, and discloses a photoelectric static force level gauge, method and device based on machine self-learning. Comprising a liquid storage tank, a cover body, a floating piece, a communicating rod, a ruler piece, a collecting device, a light source and a machine self-learning module, the liquid storage tank stores liquid and communicates with the outside through a liquid flowing opening, the floating piece floats in the liquid and is connected with the ruler piece through the communicating rod, and the ruler piece is provided with preset scale information and moves in the cover body along with the communicating rod; the acquisition device is used for acquiring image information of the scale member, and the light source is used for providing illumination; and the machine self-learning module is electrically connected with the acquisition device, the height adjusting piece and the light source through a bus, and dynamically optimizes parameters of the mapping model and the time sequence prediction model based on image information and historical settlement data acquired in real time, so that high-precision identification of scale change of the scale piece and self-adaptive expansion of the monitoring range are realized.

The utility model discloses a large-scale hoisting machinery station foundation settlement monitoring system, which comprises static force level gauges, a liquid storage tank, a data acquisition instrument and a computer, the static force level gauges are continuously arranged in a foundation treatment area at equal height, the adjacent static force level gauges are sequentially connected through a cable, a liquid hose and a gas hose, and the data acquisition instrument is connected with the computer. Each static leveling instrument is matched with the position of a roadbed box at the upper part of the foundation treatment area and corresponds to the middle part of the roadbed box; a foundation pier is arranged outside the foundation treatment area; a static force level gauge is independently arranged on the foundation pier, the static force level gauge is connected with a cable, a liquid hose and a gas hose which extend out of the foundation treatment area, the cable is connected with a data acquisition instrument, the liquid hose is connected with a liquid storage tank on the foundation pier, and the tail end of the gas hose is communicated with the external atmosphere. The utility model aims to provide a monitoring system which does not need manual measurement and indoor calculation, can realize automatic acquisition of multi-point settlement of a foundation, and can calculate differential settlement of associated points.

The present application relates to the field of construction engineering and geological monitoring technology, and discloses a vertical deformation monitoring method and system based on three-dimensional scanning and differential pressure level gauge. The method comprises the following steps: collecting point cloud data of a building structure in real time by using a three-dimensional scanner, and collecting vertical displacement data of the building structure in real time by using a differential pressure level gauge; obtaining the vertical coordinates of the point cloud by using a three-point registration algorithm, and calculating the vertical coordinate difference value of the point cloud to obtain a first difference value; calculating the average of the first vertical displacement data of the current monitoring period and the average of the second vertical displacement data of the previous monitoring period, and calculating the difference value between the average of the first vertical displacement data and the average of the second vertical displacement data to obtain a second difference value; and weighting the first difference value and the second difference value according to the standard deviation of the point cloud data and the standard deviation of the vertical displacement data, and calculating the final vertical deformation of the building structure by using a weighted average method. By implementing the present application, the cost of manual measurement is reduced, and the defect of single data source is changed.

A method for obtaining the absolute calibration value and absolute elevation of an absolute static level, relating to the field of measurement technology. The method involves obtaining the distance MD from the bottom surface of the lower bowl of the absolute static level to be calibrated to the center of the top target sphere. k When calibrating the absolute hydrostatic level to be calibrated, the hydrostatic level reading R at this liquid level height is obtained. k ; Obtain the liquid depth W inside the absolute hydrostatic level to be calibrated k This will give you the absolute calibration value A for each absolute hydrostatic level to be calibrated. k A k =MD k -W k -R k Multiple absolute hydrostatic levels to be calibrated are connected to form an absolute hydrostatic leveling system, and the absolute hydrostatic level readings R are obtained during the measurement of the absolute hydrostatic levels to be calibrated. i_k The absolute elevation of the absolute hydrostatic level is calculated using the following formula: H i_k =A k +R i_k , where H i_k This indicates the absolute elevation of the static level to be measured. This application can directly calculate the absolute elevation of the current point without obtaining the elevation through elevation transfer, making the calculation result of the absolute elevation more accurate.