Slope Stability Monitoring Using Remote Sensing Techniques

A slope failure across Interstate I-540 near Chester, Arkansas is being monitored using traditional surveying techniques (total station) and advanced remote sensing techniques (Light Detection And Ranging [LiDAR]). The initial movement of the slope was observed by Arkansas Highway and Transportation Department personnel in May 2010. The department performed a geotechnical site investigation; the results of which were used to perform a slope stability back-analysis. The results of the slope stability back-analysis and the movements observed using the total station and LiDAR are discussed and compared.

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