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QUANTITATIVE PARAMETERIZATION AND 3D?RUN?OUT

MODELLING OF ROCKFALLS AT STEEP LIMESTONE CLIFFS


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Sinopse

This pioneering work deals with the parameterization of rockfalls in the context of 3D run-out modelling at a study site in the Bavarian Alps. The main objective was to cover not only low-magnitude, high-frequency rockfalls (<10 m3) but also Mid-Magnitude events, which involve rock volumes of between 10 and 100 m3 (boulder falls) and between 100 and 10,000 m3 (block falls). As Mid-Magnitude events have been insufficiently covered in terms of rockfall modelling up to now, a geomechanical approach has been developed to characterize those events by means of a case study. For a 200 m3 limestone block a potential failure scenario was analysed by combining a deterministic failure analysis with a numerical process-based run-out model. To model potential run-out scenarios of the 200 m3 block, the beta version of the code RAMMS::Rockfall, developed by the Swiss Institute for Snow and Avalanche Research (SLF), was applied. RAMMS::Rockfall makes it possible to include the block shape and thus consider the effects of varying block shapes on the run-out distance. The run-out modelling for the entire project site was performed using the scientific code Rockyfor3D (Dorren/ecorisQ). To provide quantitative information in terms of input parameters, a field recording of block sizes at the talus slope, as well as a detailed discontinuity analysis at the source area, were conducted. The book successfully demonstrates how detailed and quantitative field investigation can contribute to 3D rockfall modelling.

Detalhes do Produto

    • Formato:  ePub
    • Subtítulo:  MODELLING OF ROCKFALLS AT STEEP LIMESTONE CLIFFS
    • Origem:  IMPORTADO
    • Editora: KOBO EDITIONS
    • Coleção:  Springer Theses
    • Assunto: Ciências Exatas - Geologia
    • Idioma: INGLÊS
    • Ano de Edição: 2015
    • Ano:  2016
    • País de Produção: Canada
    • Código de Barras:  2001109541287
    • ISBN:  9783319245102

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