Journal
GEORISK-ASSESSMENT AND MANAGEMENT OF RISK FOR ENGINEERED SYSTEMS AND GEOHAZARDS
Volume 10, Issue 3, Pages 179-199Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/17499518.2016.1139729
Keywords
Rockfalls; probabilistic modelling; sensitivity analysis; translational energy; impact distance
Funding
- Australian Coal Association Research Program [ACARP C23026]
- Australian Research Council Centre of Excellence for Geotechnical Science and Engineering (CGSE)
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This paper presents a new methodology for estimating the expected energies and first impact distances at the base of a rock cliff, subject to the geometry and properties of the cliff and the representative block being known. The method is based on a sensitivity analysis, conducted by means of kinematic simulations and carried out for a large range of input parameters and their combinations, taking into account the uncertainty associated with their estimate. The proposed approach is validated by comparing predictions to experimental data and shows great potential for a quick qualitative hazard assessment.
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