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Modelling of rockfall on protection galleries
Institute for Geotechnical Engineering, Eidgenossische Technische Hochschule Zurich.
Institute for Geotechnical Engineering, Eidgenossische Technische Hochschule Zurich.ORCID-id: 0000-0003-1935-1743
Institute for Geotechnical Engineering, Eidgenossische Technische Hochschule Zurich.
2006 (engelsk)Inngår i: Physical Modelling in Geotechnics, 6th ICPMG'06: Proceedings of the 6th International Conference on Physical Modelling in Geotechnics, 2006, Vol. 1-2, s. 331-336Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Rockfall impact energies can reach magnitudes of the order of millions of Joules, requiring understanding of the energy absorption mechanisms at high energy levels for improved design of the protection gallery. These high-energy ranges can be achieved at the laboratory scale with the help of a geotechnical centrifuge. In centrifuge, rockfall protection galleries are studied with an aim to optimise the design procedure by using a cushion material. Different cushion materials have been modelled against vertical and inclined impacts of steel block with input energy levels up to 20 MJ.A simple FE model (LS-DYNA) is used in addition to model the boulder impact on different cushion materials. The results from the centrifuge tests in terms of acceleration values of the boulder and deflection of the slab are discussed and a new design procedure for the protection galleries based on the centrifuge and numerical investigations has been proposed. © 2006 Taylor & Francis Group, London.

sted, utgiver, år, opplag, sider
2006. Vol. 1-2, s. 331-336
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URN: urn:nbn:se:ltu:diva-39872Scopus ID: 2-s2.0-84857777213Lokal ID: eca3ac62-abc5-4120-8a64-d46a0c521e43ISBN: 041541587X (tryckt)ISBN: 9780415415873 (tryckt)OAI: oai:DiVA.org:ltu-39872DiVA, id: diva2:1013391
Konferanse
International Conference on Physical Modelling in Geotechnics : 04/08/2006 - 06/08/2006
Tilgjengelig fra: 2016-10-03 Laget: 2016-10-03 Sist oppdatert: 2019-08-20bibliografisk kontrollert

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