Abstract
A portable radar interferomter was used to periodically monitor a rock wall, where millimeter-scale displacements (0.5–0.6mm/month) on an unstable rock slab were detected. Preliminary interpretation of a radar images acquired over a 5 month period revealed evidence for combined toppling and buckling failure mechanisms on the rock slab. The rock wall of interest has a history of block fall activity, which directly endangers a roadway in Canton Graubünden, Switzerland.
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Acknowledgments
This project is supported through an initiative of the Swiss Government to foster and promote scientific and technological competences related to space activities. Financial supprt is coordinated by the Swiss Space Office of the Swiss State Secretariat for Education and Research. We further acknowledge the ongoing support provided by the State road authority (Tiefbauamt) in Canton Graubünden, namely, Mr. Christoph Nänni.
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Kos, A., Strozzi, T., Stockmann, R., Wiesmann, A., Werner, C. (2013). Detection and Characterization of Rock Slope Instabilities Using a Portable Radar Interferometer (GPRI). In: Margottini, C., Canuti, P., Sassa, K. (eds) Landslide Science and Practice. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31445-2_42
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DOI: https://doi.org/10.1007/978-3-642-31445-2_42
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