The use of GPS is mainly focused on the slope deformation monitoring for highway safety monitoring both at home and abroad, but the research about GPS monitoring data for concealed works such as tunnel is little. Because of its advantages, it is a trend that GPS monitoring technique will be used for tunnel deformation monitoring. This paper uses the GPS monitoring technique to real-timely monitor the deformation of DA Shan-Po Tunnel and verifies the feasibility of the GPS monitoring technique used in the DA Shan-Po Tunnel through data processing and analyzing. We hope that the study will provide reference for similar projects.
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