Abstract
Investigations and monitoring of deep-seated rock slides in feasibility studies for dam reservoirs
Highlights
Worldwide, active and inactive deep-seated rock slides are frequently observed in low-strength rock masses such as foliated metamorphic rocks (Riemer 1995)
All the ancillary data and methods mentioned above focus on the detection and localisation of ancient i.e. pre-existing deep-seated rock slides which can adversely affect infrastructure in the surrounding of dam reservoirs
Experiences show that multidisciplinary approaches including high-resolution digital elevation models beside deformation models and instrumented core drillings are the basis for a successful identification and assessment
Summary
Active and inactive deep-seated rock slides are frequently observed in low-strength rock masses such as foliated metamorphic rocks (Riemer 1995). The large number of new dam and reservoir projects for different utilisations require comprehensive planning and hazard assessment of the reservoir slopes, especially early when a feasibility study is performed. This may avoid future landslide induced construction and operation problems. This contribution presents a brief overview of data and methods which can help to detect, localise, characterise and assess ancient deep-seated rock slides in the surroundings of large dam reservoir projects.
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