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Project Application of BDS + Automatic Monitoring and Early Warning Technology for the Risk Assessment of Reconstruction Highway Cutting Slope

  • Qiang YanEmail author
  • Lijia Tian
  • Lin Liu
Conference paper
Part of the Sustainable Civil Infrastructures book series (SUCI)

Abstract

It is practically important to monitor and warn the instability risk of high-steep slope of highway during cutting. The paper presents a case study carried out in a real slope in Liuzhou-Nanning Expressway Expansion Project. Grades of instability risks of slopes are firstly classified based on qualitative and quantitative assessment, and then different monitoring methods are adopted. Then, BDS (BeiDou Navigation Satellite System), Tilt photogrammetry, Internet of things are used to establish a 3D intelligent monitoring and warning system. The system was successfully to monitor and warn the risk during removal of support, and is now working well in service. In addition, a Leica TM50 high-precision measurement robot is used to calibrate the BDS + monitoring data. The results show that the trend obtained by the intelligent monitoring system is consistent with that measured by the robot.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Guangxi Communications Investment Technology Co., Ltd.NanningChina

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