Methodology Applied to the Diagnosis and Monitoring of Dikes and Dams
Méthodologie appliquée au diagnostic et à l'auscultation des digues et des barrages
Résumé
This chapter presents the general approach for assessing earth embankments. The first part briefly presents a synthesis of the French approach related to dike diagnosis. The second part shows the recent improvements in this geophysical area given by current applied researches and international experiments. The third part is dedicated to the airborne LiDAR (Light Detection and Ranging) technology, which provides extremely accurate topographic data at a high efficient rate. The last part is a presentation of a current research work where the Electrical Resistivity Tomography (ERT) method is implemented and tested on an experimental test dam as well as real ones in order to monitor the effect of internal erosion within the structure.