Research On Real-Time Monitoring System For Tunnel Deformation

Based on learning and summarizing the existing research fruits for intelligent total-station (also, geo-robot) automatic measurement, the paper, in consideration of the actual characteristics in tunnel deformation monitoring measurement, and grounded on the single-period observation data processing method through the principles of coordinate transformation and of difference, as well as the multi-period data processing method through regression analysis, makes use of the programming language, that is Visual C#2005, and the database technique, that is SQL Server2005, and with the intelligent total-station for nucleus, studies the software and hardware compositions for a tunnel deformation monitoring system, and then on account of the above, develops the program—Tunnel Deformation real-time Monitoring System, TDMS for short.The main contents of this paper include:Firstly, for the disadvantage of low efficiency and the monitoring precision vulnerable to human disturbance in the traditional method of tunnel deformation monitoring, the paper mainly introduces the development of the remotely online control-program loaded on computer to Leica geo-robot (mainly for TPS1000or TPS1200serials). Through the ASCII communication protocol of the Leica GeoCOM, the TDMS realizes the automatic, intelligentized and periodic measurement to the observation points, including monitoring points and datum points.Secondly, in consideration of the figures that the monitoring data will gradually accumulate more and more along with time and be used in a variety of ways in the future, the paper, by SQL Server2005database management system of the Microsoft Corporation, establishes a tunnel deformation monitoring database system to save observation and fruit data, and meanwhile accomplishes the functions of real-time processing and analysis, store into the database, query and display and so on. to the observation data from the TDMS.Then, because, more or less, there are generally various errors in observation data, the paper underlines the single-period observation data processing method based on the principles of coordinate transformation and of difference, and founded on that, the multi-period data processing ways to take defomation analysis and forecast based on regression analysis. Furthermore, the paper also includes the relative monitoring methed for tunnel arch top settlement and surrounding rock convergence with no datum points existing.At last, with the existing resource in the lab, the paper demonstrates the testing and verification to the main function modules of the TDMS through a simulative tunnel deformation monitoring measurement.