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Displacement Monitoring Using GPS at an Unstable Steep Slope and the Performance of a New Low-Cost GPS Sensor

  • Nguyen Trung KienEmail author
  • Shinichiro Nakashima
  • Norikazu Shimizu
Conference paper
Part of the Lecture Notes in Civil Engineering book series (LNCE, volume 62)

Abstract

The Global Positioning System (GPS) has been recognized as an effective tool for monitoring displacements in Geotechnical Engineering. The third author and his colleagues developed a GPS monitoring system that can automatically and continuously monitor three-dimensional displacements with mm accuracy. The system has been applied to hundreds of projects in Japan, i.e., landslides, slopes along highways, subsidence, dam operations, bridge construction, etc. In this paper, an overview of the existing GPS displacement monitoring system is described. A practical application of GPS to monitor an unstable steep slope along a national road in Japan is shown. The monitoring results could provide useful information for assessing the stability of the slope. In addition, the performance of a new GPS sensor is investigated to verify its applicability and reliability for displacement monitoring. It is found that the new sensor has the potential to be used in practical monitoring.

Keywords

GPS continuous monitoring displacement three-dimensional displacement low-cost sensor 

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Notes

Acknowledgements

This research was supported by JSPS Grant-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Grant Number 16H03153. The authors wish to express their sincere appreciation to the Yamaguchi Office of Rivers and National Road, Chugoku Regional Development Bureau, Ministry of Land, Infrastructure Transport and Tourism, for their cooperation with the field monitoring.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Nguyen Trung Kien
    • 1
    Email author
  • Shinichiro Nakashima
    • 2
  • Norikazu Shimizu
    • 2
  1. 1.Thuyloi UniversityHanoiVietnam
  2. 2.Yamaguchi UniversityYamaguchiJapan

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