Viaduct monitoring system

Abstract

The utility model relates to a viaduct monitoring system, and the system comprises a measurement mechanism which is disposed in an area outside an influence range, and is used for measuring and outputting the real-time deformation data of a pier of a viaduct, and the pier is located in the influence range area; the data analysis mechanism is connected with the measuring mechanism and is used for receiving the deformation data and outputting a deformation signal based on the deformation data; the deformation signal comprises a settlement signal and an inclination signal; and the wireless communication device is respectively connected with the measuring mechanism and the data analysis mechanism, and is used for collecting the deformation data output by the measuring mechanism and sending the deformation data to the data analysis mechanism. According to the viaduct monitoring system provided by the invention, the monitoring precision is improved, real-time continuous monitoring is realized, and potential structural problems of the viaduct can be found in time.

Description

Technical Field

[0001] This application relates to the technical field of viaduct monitoring, and particularly to a viaduct monitoring system. Background Art

[0002] With the acceleration of the urbanization process and the continuous development of the economy, the urban subway network has been expanding continuously. The viaduct of the subway is an important part of the subway network, and the structural safety and stability of the viaduct directly affect the normal operation of the subway. However, engineering activities such as foundation pit construction and under-crossing viaduct construction around the viaduct may cause impacts such as vibration and settlement to the viaduct, thus threatening the structural safety of the viaduct and affecting the normal operation of the subway.

[0003] In order to detect the structural problems of the viaduct in time, it is necessary to monitor the viaduct. Traditional monitoring methods mainly rely on manual measurement of the viaduct at regular intervals using measuring instruments. However, such monitoring methods are not only inefficient but also difficult to achieve real-time continuous monitoring, unable to timely and accurately grasp the dynamic changes of the viaduct structure, and unable to timely detect potential safety hazards of the viaduct. At the same time, when using manual measurement, the subsequent data processing and analysis steps are also relatively cumbersome, making it difficult to quickly and effectively evaluate the safety status of the viaduct. And general automated monitoring systems have problems such as large errors and insufficient accuracy. Utility Model Content

[0004] Based on this, in view of the current problems of low monitoring efficiency and difficulty in implementing continuous monitoring, it is necessary to provide a viaduct monitoring system.

[0005] A viaduct monitoring system, the viaduct monitoring system includes:

[0006] A measuring mechanism, arranged in an area outside the influence range, for measuring and outputting real-time deformation data of the piers of the viaduct, where the piers are located in the influence range area;

[0007] A data analysis mechanism is connected to the measuring mechanism, for receiving the deformation data and outputting a deformation signal based on the deformation data; the deformation signal includes a settlement signal and an inclination signal; and,

[0008] A wireless communication device, respectively connected to the measuring mechanism and the data analysis mechanism, for collecting the deformation data output by the measuring mechanism and sending it to the data analysis mechanism.

[0009] In one embodiment, the measuring mechanism is a total station, and the total station is arranged in an area outside the influence range, for measuring and outputting real-time deformation data of the piers of the viaduct.

[0010] In one embodiment, the viaduct monitoring system further includes multiple groups of reflective components, and the multiple groups of reflective components are respectively arranged on the bridge piers; the reflective components include a plurality of first reflective elements, second reflective elements, and third reflective elements. The first reflective element is arranged on the outer wall of the middle part of the bridge pier, the second reflective element is arranged on the top of the bridge pier, and the third reflective element is arranged on the bottom of the bridge pier. The second reflective element and the third reflective element are located on the same vertical line; the deformation data includes the oblique distance data and vertical angle data between the measuring mechanism and the first reflective element, and the three-dimensional coordinate data of the second reflective element and the third reflective element.

[0011] In one embodiment, the data analysis mechanism calculates settlement data based on the oblique distance data and vertical angle data between the measuring mechanism and the first reflective element and outputs the settlement signal; the calculation formula for the settlement data is:

[0012]

[0013]

[0014]

[0015] In the formula, is the oblique distance data between the first reflective element and the measuring mechanism at a certain time point; is the vertical angle data between the first reflective element and the measuring mechanism at a certain time point; is the relative elevation between the first reflective element and the measuring mechanism at a certain time point; is the oblique distance data between the first reflective element and the measuring mechanism at another time point; is the vertical angle data between the first reflective element and the measuring mechanism at another time point; is the relative elevation between the first reflective element and the measuring mechanism at another time point; is the settlement change amount of the bridge pier.

[0016] In one embodiment, the data analysis mechanism calculates tilt data based on the three-dimensional coordinate data of the second reflective element and the third reflective element and outputs the tilt signal; the calculation formula for the tilt data is:

[0017]

[0018]

[0019]

[0020]

[0021] Wherein, is the offset of the second reflecting element in the X-axis direction; is the offset of the third reflecting element in the X-axis direction; is the offset of the pier in the X-axis direction; is the offset of the second reflecting element in the Y-axis direction; is the offset of the third reflecting element in the Y-axis direction; is the offset of the pier in the Y-axis direction; is the total offset of the pier; is the height difference between the second reflecting element and the third reflecting element; is the inclination of the pier; the X-axis direction is parallel to the driving direction of the viaduct; the Y-axis direction is perpendicular to the driving direction of the viaduct.

[0022] In one embodiment, the first reflecting element, the second reflecting element and the third reflecting element are all prisms, and the prisms are fixedly arranged on the pier.

[0023] In one embodiment, the viaduct monitoring system further includes a reference element, which is arranged outside the external operation influence area and is used to provide reference coordinates; the measuring mechanism is also used to measure the reference element and output correction data.

[0024] In one embodiment, the viaduct monitoring system further includes a power supply mechanism, which is connected to the measuring mechanism and is used to provide power for the measuring mechanism; the power supply mechanism includes at least one of a lithium battery, a solar power supply mechanism and a rechargeable battery.

[0025] In one embodiment, the viaduct monitoring system further includes an early warning mechanism, which is connected to the data analysis mechanism and is used to receive the deformation signal and output an alarm signal when an abnormal situation occurs.

[0026] In one embodiment, the viaduct monitoring system further includes a visualization display mechanism, which is respectively connected to the data analysis mechanism and the early warning mechanism, and is used to receive the deformation signal and the alarm signal and send them to the client for real-time data display.

[0027] The above viaduct monitoring system sets up a measuring mechanism to output the deformation data of the viaduct piers in real time, and uses a wireless communication device to send the deformation data to the data analysis mechanism in a timely manner. After being processed by the data analysis mechanism, the deformation data is output as accurate settlement signals and tilt signals of the viaduct piers, which can accurately reflect the overall structural state of the viaduct and improve the monitoring accuracy. At the same time, real-time continuous monitoring is also achieved, enabling the timely grasp of the dynamic changes in the viaduct structure and the timely discovery of potential structural problems in the viaduct. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 FIG. is a schematic structural diagram of a viaduct monitoring system provided by the present application.

[0029] Figure 2 FIG. is a schematic diagram of the monitoring principle of a viaduct monitoring system provided by the present application.

[0030] Figure 3 FIG. is a schematic installation diagram of a reflective component in a viaduct monitoring system provided by the present application.

[0031] Figure 4 FIG. is a schematic diagram of the principle for the data analysis mechanism in a viaduct monitoring system provided by the present application to calculate settlement data.

[0032] Figure 5 FIG. is a schematic diagram of the principle for the data analysis mechanism in a viaduct monitoring system provided by the present application to calculate tilt data.

[0033] REFERENCE SIGNS:

[0034] 100, viaduct monitoring system; 10, detection device; 11, measuring mechanism; 12, reflective component; 121, first reflective element; 122, second reflective element; 123, third reflective element; 13, reference element; 14, power supply mechanism; 20, data management device; 21, data acquisition mechanism; 22, data storage mechanism; 23, data analysis mechanism; 24, warning mechanism; 25, visualization display mechanism; 26, remote control mechanism; 30, wireless communication device; 200, pier. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0035] In order to make the above objects, features, and advantages of the present application more apparent and understandable, the following detailed description of the specific embodiments of the present application will be made with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0036] In the description of the present application, it should be understood that if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0037] In addition, if there are terms such as "first" and "second", these terms are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present application, if there is a term "plurality", the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0038] In the present application, unless otherwise clearly defined and limited, if there are terms such as "mounted", "connected", "coupled", "fixed", etc., these terms should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0039] In the present application, unless otherwise clearly defined and limited, if there is a description such as a first feature being "on" or "under" a second feature, the meaning may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0040] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are only for illustrative purposes and do not represent the only implementation.

[0041] Please refer to Figure 1 and Figure 2 , this application provides a viaduct monitoring system 100. The viaduct monitoring system 100 includes a detection device 10, a data management device 20, and a wireless communication device 30. The detection device 10 includes a measurement mechanism 11. The measurement mechanism 11 is disposed in an area outside the influence range and is used to measure and output real-time deformation data of the pier 200 of the viaduct. Among them, the pier 200 is located in the influence range area, that is, the area affected by external construction operations; the data management device 20 includes a data analysis mechanism 23. The data analysis mechanism 23 is connected to the detection device 10 and is used to receive the deformation data output by the measurement mechanism 11 and output a deformation signal based on the deformation data; the wireless communication device 30 is respectively connected to the detection device 10 and the data management device 20 and is used to collect the deformation data output by the measurement mechanism 11 in the detection device 10 and send it to the data management device 20.

[0042] The viaduct is an important part of the subway network. The structural safety and stability of the viaduct can affect the normal operation of the subway. The viaduct includes a bridge deck and multiple bridge piers 200. The bridge deck is used to carry pedestrians and vehicles. The multiple bridge piers 200 are arranged below the bridge deck. The bridge piers 200, as the main supporting structure of the viaduct, are used to carry the bridge deck and traffic loads to ensure the stability of the viaduct. The deformation of the bridge piers 200 can indicate the structural stability of the viaduct. By monitoring the deformation of the bridge piers 200 in real time, the dynamic changes of the viaduct structure can be reflected. In the embodiments of the present application, by arranging the measuring mechanism 11 of the detection device 10 in an area outside the influence range, that is, an area not affected by external construction operations, the influence of external construction or other interference activities on the measurement results is avoided, the error of the measurement results is reduced, and the accuracy and reliability of the deformation data are ensured; by arranging the wireless communication device 30, the deformation data can be collected and transmitted in real time, ensuring the timeliness of the data, reducing the complexity of wiring, and improving the flexibility and expandability of the system. Through the data analysis mechanism 23 of the data management device 20, the deformation data can be centrally processed and analyzed, and deformation signals can be generated in real time, improving the efficiency of data processing. Using the viaduct monitoring system 100 in the present application to monitor the bridge piers 200 can continuously and real-time monitor the deformation of the bridge piers 200, improve the monitoring accuracy and efficiency, and timely discover potential structural problems of the viaduct.

[0043] Please refer to Figure 3 , in some embodiments, the detection device 10 further includes multiple groups of reflective components 12, and the multiple groups of reflective components 12 are respectively arranged on the bridge piers 200. The reflective component 12 includes multiple first reflective elements 121, a second reflective element 122, and a third reflective element 123; wherein, the first reflective element 121 is arranged on the outer wall of the middle part of the bridge pier 200, the second reflective element 122 is arranged on the top of the bridge pier 200, the third reflective element 123 is arranged on the bottom of the bridge pier 200, and the second reflective element 122 and the third reflective element 123 are located on the same vertical line. The second reflective element 122 and the third reflective element 123 being located on the same vertical line means that: in three-dimensional space, the second reflective element 122 and the third reflective element 123 are aligned in the same direction, have the same horizontal coordinates, but are different in height. In this way, the second reflective element 122 and the third reflective element 123 form a straight line in the vertical direction.

[0044] Specifically, the measuring mechanism 11 is used to measure and output the slant distance data and vertical angle data between the measuring mechanism 11 and the first reflective element 121, as well as the three-dimensional coordinate data of the second reflective element 122 and the third reflective element 123. Please refer to Figure 4 , the data analysis mechanism 23 calculates the settlement data based on the slant distance data and vertical angle data output by the measuring mechanism 11, and outputs a settlement signal.

[0045] Among them, the calculation formula for the settlement data is:

[0046]

[0047]

[0048]

[0049] In the formula, is the inclined distance data between the first reflecting element 121 and the measuring mechanism 11 at a certain time point; is the vertical angle data between the first reflecting element 121 and the measuring mechanism 11 at a certain time point; is the relative elevation between the first reflecting element 121 and the measuring mechanism 11 at a certain time point; is the inclined distance data between the first reflecting element 121 and the measuring mechanism 11 at another time point; is the vertical angle data between the first reflecting element 121 and the measuring mechanism 11 at another time point; is the relative elevation between the first reflecting element 121 and the measuring mechanism 11 at another time point; is the settlement change amount of the pier 200, that is, the settlement data.

[0050] Specifically, the inclined distance data refers to the straight-line distance from the measuring mechanism 11 to the measured target. The vertical angle data refers to the angle between the direction line from a point to the target and the horizontal line in the same vertical plane. The relative elevation refers to the height difference between a certain point and another known point.

[0051] Please also refer to Figure 5 , the data analysis mechanism 23 calculates the inclination data based on the three-dimensional coordinate data of the second reflecting element 122 and the third reflecting element 123 output by the measuring mechanism 11, and outputs an inclination signal. Among them, the three-dimensional coordinate data of the second reflecting element 122 are the coordinate values of the second reflecting element 122 on the X-axis, Y-axis, and Z-axis respectively, and the three-dimensional coordinate data of the third reflecting element 123 are the coordinate values of the third reflecting element 123 on the X-axis, Y-axis, and Z-axis respectively. The three-dimensional coordinate data can clearly represent the positions of the second reflecting element 122 and the third reflecting element 123 in the three-dimensional space.

[0052] Among them, the calculation formula for the inclination data is:

[0053]

[0054]

[0055]

[0056]

[0057] In the formula, is the offset of the second reflecting element 122 in the X-axis direction; is the offset of the third reflecting element 123 in the X-axis direction; is the offset of the bridge pier 200 in the X-axis direction; is the offset of the second reflecting element 122 in the Y-axis direction; is the offset of the third reflecting element 123 in the Y-axis direction; is the offset of the bridge pier 200 in the Y-axis direction; is the total offset of the bridge pier 200, is the height difference between the second reflecting element 122 and the third reflecting element 123, is the inclination of the bridge pier 200, that is, the inclination data. The X-axis direction is parallel to the driving direction of the viaduct, and the Y-axis direction is perpendicular to the driving direction of the viaduct.

[0058] By obtaining the settlement signals and inclination signals of each bridge pier 200 through the data analysis mechanism 23, the settlement changes and inclination changes of each bridge pier 200 of the viaduct can be detected in a timely manner, realizing real-time monitoring of the deformation of each bridge pier 200 of the viaduct, unifying the monitoring of the data of multiple bridge piers 200, and improving the monitoring efficiency.

[0059] In this embodiment, the measuring mechanism 11 is a total station. The total station is a measuring instrument that integrates optical measurement, electronic measurement and computer technology. It can provide high-precision measurement results and is widely used in engineering surveying, topographic surveying, building construction, land surveying and other fields. It can measure horizontal angles, vertical angles and inclined distances simultaneously and directly output coordinates through internal calculation functions. The total station has an automatic recognition technology, which can quickly and accurately lock the reflecting component 12 located on the bridge pier 200 of the viaduct, reduce the errors of manual operation, and ensure the accuracy and reliability of the data.

[0060] In some embodiments, the first reflecting element 121, the second reflecting element 122 and the third reflecting element 123 are all prisms. The prisms are fixedly arranged on the bridge pier 200 through fasteners. Specifically, the prisms can be fixedly installed on the bridge pier 200 through expansion bolts; the prisms can effectively reflect the laser signals emitted by the total station, improve the measurement accuracy and stability, and can realize long-distance measurement. In other embodiments, the first reflecting element 121, the second reflecting element 122 and the third reflecting element 123 can also be reflective films or objects with special layers and other objects with reflective properties, so this is not limited thereto.

[0061] In some embodiments, the detection device 10 further includes at least one reference element 13. The reference element 13 is disposed outside the external operation influence area and is used to provide reference coordinates. The measuring mechanism 11 is further configured to measure the reference element 13 and output calibration data. Specifically, the reference element 13 is a fourth reflective element, and the fourth reflective element is disposed on a viaduct pier 200 or other building with pile foundation located outside the external operation influence range area. In this embodiment, the fourth reflective element is a prism. In other embodiments, the fourth reflective element may also be a reflective film or an object with a special layer, such as an object with reflective properties, and thus is not limited thereto. After the measuring mechanism 11 outputs the calibration data, the data analysis mechanism 23 of the data management device 20 receives the calibration data and outputs the corrected deformation data based on the calibration data to ensure the accuracy and reliability of the measurement results.

[0062] In some embodiments, the detection device 10 further includes a power supply mechanism 14. The power supply mechanism 14 is connected to the measuring mechanism 11 and is used to supply power to the measuring mechanism 11. The power supply mechanism 14 can ensure the long-term stable operation of the measuring mechanism 11 and avoid interruption of operation due to insufficient power during measurement. The power supply mechanism 14 includes, but is not limited to, a lithium battery, a solar power supply mechanism 14, and a rechargeable battery, etc.

[0063] In some embodiments, the data management device 20 further includes a data acquisition mechanism 21, a data storage mechanism 22, an early warning mechanism 24, a visualization display mechanism 25, and a remote control mechanism 26.

[0064] The data acquisition mechanism 21 is connected to the detection device 10 through a wireless communication device 30 and is used to receive real-time deformation data from the measuring mechanism 11 and respectively transmit them to the data storage mechanism 22 and the data analysis mechanism 23. The data storage mechanism 22 is respectively connected to the data acquisition mechanism 21 and the data analysis mechanism 23 and is used to receive and store the deformation data and the deformation signal. The early warning mechanism 24 is connected to the data analysis mechanism 23 and is used to receive the deformation signal and output an alarm signal when an abnormal situation occurs. The visualization display mechanism 25 is respectively connected to the data analysis mechanism 23 and the early warning mechanism 24 and is used to receive the deformation signal and the alarm signal and send the deformation signal and the alarm signal to the client for real-time data display. The remote control mechanism 26 is respectively connected to the detection device 10, the data acquisition mechanism 21, the data storage mechanism 22, the data analysis mechanism 23, the early warning mechanism 24, and the visualization display mechanism 25 and is used to control the detection device 10, the data acquisition mechanism 21, the data storage mechanism 22, the data analysis mechanism 23, the early warning mechanism 24, and the visualization display mechanism 25.

[0065] In some embodiments, the viaduct monitoring system 100 further includes a client. The remote control mechanism 26 is connected to the client and is configured to receive control instructions issued by the client. The client includes, but is not limited to, a computer, a mobile phone, or a tablet computer, etc., so as to view monitoring data, receive alarm signals, perform remote control and management, etc. at any time and anywhere.

[0066] The viaduct monitoring system provided by the present application sets the detection device 10 to output the deformation data of the piers 200 of the viaduct in real time, and timely sends the deformation data to the data management device 20 through the wireless communication device 30. The deformation data is processed by the data analysis mechanism 23 in the data management device 20 and output as accurate settlement signals and inclination signals of the piers 200 of the viaduct, which can accurately reflect the overall structural state of the viaduct, improve the monitoring accuracy; realize the real-time continuous monitoring of the piers 200, can timely grasp the dynamic changes of the viaduct structure, timely discover potential structural problems of the viaduct, and thus take corresponding repair or reinforcement measures in time to ensure the safe operation of the subway.

[0067] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered to be within the scope described in this specification.

[0068] The above-described embodiments only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A viaduct monitoring system, characterized in that, The viaduct monitoring system includes: A measuring mechanism, which is arranged in an area outside the influence range and is used to measure and output the real-time deformation data of the piers of the viaduct, and the piers are located in the influence range area; A data analysis mechanism, which is connected to the measuring mechanism and is used to receive the deformation data and output a deformation signal based on the deformation data; the deformation signal includes a settlement signal and an inclination signal; and, A wireless communication device, which is respectively connected to the measuring mechanism and the data analysis mechanism and is used to collect the deformation data output by the measuring mechanism and send it to the data analysis mechanism.

2. The viaduct monitoring system according to claim 1, wherein The measuring mechanism is a total station, and the total station is arranged in an area outside the influence range and is used to measure and output the real-time deformation data of the piers of the viaduct.

3. The viaduct monitoring system according to claim 1, wherein The viaduct monitoring system further includes multiple groups of reflective components, and the multiple groups of reflective components are respectively arranged on the piers; the reflective components include multiple first reflective elements, second reflective elements and third reflective elements. The first reflective element is arranged on the outer wall of the middle part of the pier, the second reflective element is arranged on the top of the pier, and the third reflective element is arranged on the bottom of the pier. The second reflective element and the third reflective element are on the same vertical line; the deformation data includes the slope distance data and vertical angle data between the measuring mechanism and the first reflective element, and the three-dimensional coordinate data of the second reflective element and the third reflective element.

4. The viaduct monitoring system according to claim 3, wherein, The data analysis mechanism calculates the settlement data based on the slope distance data and vertical angle data between the measuring mechanism and the first reflective element and outputs the settlement signal; the calculation formula for the settlement data is: In the formula, is the inclined distance data between the first reflective element and the measuring mechanism at a certain time point; is the vertical angle data between the first reflective element and the measuring mechanism at a certain time point; is the relative elevation between the first reflective element and the measuring mechanism at a certain time point; is the inclined distance data between the first reflective element and the measuring mechanism at another time point; is the vertical angle data between the first reflective element and the measuring mechanism at another time point; is the relative elevation between the first reflective element and the measuring mechanism at another time point; is the settlement change amount of the pier.

5. The viaduct monitoring system according to claim 3, wherein The data analysis mechanism calculates the inclination data based on the three-dimensional coordinate data of the second reflective element and the third reflective element and outputs the inclination signal; the calculation formula for the inclination data is: Wherein, is the offset of the second reflective element in the X-axis direction; is the offset of the third reflective element in the X-axis direction; is the offset of the pier in the X-axis direction; is the offset of the second reflective element in the Y-axis direction; is the offset of the third reflective element in the Y-axis direction; is the offset of the pier in the Y-axis direction; is the total offset of the pier; is the height difference between the second reflective element and the third reflective element; is the inclination of the pier; The X-axis direction is parallel to the driving direction of the viaduct; the Y-axis direction is perpendicular to the driving direction of the viaduct.

6. The viaduct monitoring system according to claim 3, characterized in that, The first reflective element, the second reflective element and the third reflective element are all prisms, and the prisms are fixedly arranged on the piers.

7. The viaduct monitoring system according to claim 1, wherein The viaduct monitoring system further includes a reference element, which is arranged outside the external operation influence area and is used to provide a reference coordinate; the measuring mechanism is also used to measure the reference element and output calibration data.

8. The viaduct monitoring system according to claim 1, characterized in that, The viaduct monitoring system further includes a power supply mechanism, which is connected to the measuring mechanism and is used to provide power for the measuring mechanism; the power supply mechanism includes at least one of a lithium battery, a solar power supply mechanism and a rechargeable battery.

9. The viaduct monitoring system according to claim 1, characterized in that, The viaduct monitoring system further includes an early warning mechanism, which is connected to the data analysis mechanism and is used to receive the deformation signal and output an alarm signal when an abnormal situation occurs.

10. The viaduct monitoring system according to claim 9, characterized in that, The viaduct monitoring system further includes a visualization display mechanism, which is respectively connected to the data analysis mechanism and the early warning mechanism and is used to receive the deformation signal and the alarm signal and send them to the client for real-time data display.

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