Method and device for automatic monitoring of subway tunnel deformation based on total station
An automatic monitoring and total station technology, applied in measurement devices, optical devices, instruments, etc., can solve the problems of narrow observation angle and inability to be widely used, achieve uniform solution accuracy, save labor costs, and improve data. The effect of reliability
Inactive Publication Date: 2017-01-11
TONGJI UNIV
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Problems solved by technology
In tunnel monitoring, due to limitations such as narrow observation angles, it cannot be widely used on the basis of a single automatic total station. At present, only a single automatic total station can be used to monitor the local deformation of the tunnel.
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[0064] Such as figure 1 Shown, device of the present invention is made up of following three major modules:
[0065] (1) Data acquisition module. Including multiple automatic total stations (Sokkia or Leica), automatic leveling base, 360-degree prism, round prism, L-shaped small prism.
[0066] (2) Core control module. The portable computer equipped with the self-developed automatic monitoring software system realizes the control of each measuring robot, stores the original data of the measurement, adjusts and calculates the position parameters of the measuring station and turning reference point, and displays the change amount and change curve of the monitoring point in real time, etc. Features.
[0067] (3) Data communication module. Including USB-RS232 serial cable, RS485 communication optical cable, RS232-RS485 converter, used for remote control of automatic total station and transmission of measurement data.
[0068] figure 1 It shows the composition and connection ...
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The invention relates to a total station instrument based subway tunnel deformation automatic monitoring method and device. The total station instrument based subway tunnel deformation automatic monitoring device comprises a data acquisition module, a core control module and a data communication module, wherein the core control module is connected with the data acquisition module through the data communication module. When the total station instrument is levelled, the core control module calculates space position information parameters of observation stations and a turning reference point with given point coordinates serving as a reference coordinate system due to the observation of a given point circular prism located in a stability area and a 360-degree prism of the turning reference point located in a deformation area, three-dimensional coordinates of a to-be-measured point are measured after observation station positioning parameters are updated, coordinates under a reference coordinate system are obtained after coordinate conversion is performed on the measured coordinates of the observation stations, and absolute coordinates of to-be-measured target points are obtained under the reference coordinate system. Compared with the prior art, the total station instrument based subway tunnel deformation automatic monitoring device has the advantages of greatly saving manual costs, improving the data reliability, allowing monitoring of the tunnel in real time at full day.
Description
technical field [0001] The invention relates to a subway tunnel deformation monitoring technology, in particular to an automatic monitoring method and device for subway tunnel deformation based on a total station. Background technique [0002] In recent decades, due to the traffic pressure brought by the expansion of urban population, major cities in my country are vigorously developing the construction of subway tunnels. From the beginning of construction to the completion of the subway project, especially after the completion of the entire operation period, continuous deformation is required. monitor. In order to ensure the safety of subway operation, it is necessary to obtain real-time monitoring content such as settlement, displacement, deflection, and track smoothness in the tunnel, and the monitoring instruments and technical methods used are also different. At present, the most used method is manual measurement, mainly including wire measurement, geometric leveling, e...
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IPC IPC(8): G01B11/16
Inventor 潘国荣周跃寅
Owner TONGJI UNIV