GPS displacement monitoring system for the precise measuring of rock movements

摘要

Monitoring rock deformations is important to assessing the stability of rock structures, i.e., slopes, tunnels, dams, foundations, etc., in order to confirm the validity of the design during/after construction and to assist in answering specific questions on a project.A new displacement monitoring system using GPS has been developed by the authors and their colleagues. The system can measure three-dimensional displacements automatically withmm accuracy, and it is now being widely used in various Rock and Geotechnical Engineering projects. In this paper, the technology of the GPS displacement monitoring for the precise measurements of rock movements is summarized, and its practical applications are described.