APPLICABILITY OF THE TREND MODEL FOR SMOOTHING MEASURED DISPLACEMENTS BY USING GLOBAL POSITIONING SYSTEM AND METHODS FOR PREDICTING DISPLACEMENT BEHAVIOR

Abstract

The GPS displacement monitoring system has been developed to monitor the stability of large slopes by the authors. In this research, the trend model is used for smoothing displacements measured by the system, and the applicability of model is investigated through the field experiments and practical monitoring. It is verified that the trend model is useful for improving the measurement accuracy of the conventional GPS surveying. Methods for predicting the final displacement and the failure time of slopes from continuous monitoring results are proposed, and their applicability is also verified.