Multiscale approach to geo‐composite cellular structures subjected to rock impacts |
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| Authors: | François Nicot Philippe Gotteland David Bertrand Stéphane Lambert |
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| Institution: | 1. Cemagref, Unité de Recherche Erosion Torrentielle Neige et Avalanches, Grenoble, France;2. RNVO Group: Research Network on Natural Hazards and Vulnerability of Structures, FranceCemagref, Unité de Recherche Erosion Torrentielle Neige et Avalanches, Grenoble, France;3. LIRIGM, UJF, Grenoble, France;4. RNVO Group: Research Network on Natural Hazards and Vulnerability of Structures, France;5. France‐Macaferri, Valence, France |
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| Abstract: | Geo‐composite cellular structures are an efficient technological solution for various applications in civil engineering. This type of structure is particularly well adapted to resisting rockfalls and can act as a defensive structure. However, the design of such structures is for the most part empirically based; this lack of research‐based design stagnates optimization and advanced development. In this paper, the mechanical behaviour of a geo‐composite cellular structure is investigated using a multi‐scale approach, from the individual cell made up of an assembly of rocky particles contained in a wire netting cage to the entire structure composed of a regular array of cells. Based on discrete modelling of both the cell and structure scales, a computational tool has been developed for design purposes. Copyright © 2007 John Wiley & Sons, Ltd. |
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| Keywords: | discrete element method elasto‐plastic behaviour granular materials mechanical interaction wire structure protective‐reinforced structure multi‐scale approach |
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