Investigations and monitoring of deep-seated rock slides in feasibility studies for dam reservoirs

  • Christian Zangerl University of Natural Resources and Life Sciences, Institute of Applied Geology, Department of Civil Engineering and Natural Hazards, Austria
  • Thomas Strauhal University of Natural Resources and Life Sciences, Institute of Applied Geology, Department of Civil Engineering and Natural Hazards, Austria; ILF Consulting Engineers Austria GmbH, 6063 Rum, Austria
Keywords: deep-seated rock slides; in-situ investigation; monitoring; dams; reservoirs

Abstract

This contribution presents a brief overview of investigation and monitoring methods which may help to detect and localise deep-seated rock slides in the surroundings of reservoirs. The identification and localisation of critical slopes and ancient/pre-ex-isting rock slides in the early stage of a project (i.e. feasibility study) is essential to avoid endangering the planned infrastructure project and if necessary, adapting the project. The knowledge about deep-seated rock slides has increased over the decades. In particular, new insight was gained about rock slide geometry, kinematics, temporal deformation behaviour, hydrogeology and geomechanics. Major technical and methodical improvements have been made in recent years concerning the successful appli-cation of terrestrial and airborne based remote sensing tools to measure 2D/3D slope deformations on surface and to develop high-resolution digital terrain models for detailed geomorphological-geological mapping and geological-geometrical model desig.

Published
2020-10-26
How to Cite
Zangerl, C., & Strauhal, T. (2020). Investigations and monitoring of deep-seated rock slides in feasibility studies for dam reservoirs. AUC Geographica, 55(2), 210-217. https://doi.org/10.14712/23361980.2020.15
Section
Original Articles