Continuum modeling of discontinuous rock structures / Ioannis Stefanou in European journal of environmental and civil engineering, Vol. 14 N° 8-9 (Septembre 2010)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 14 N° 8-9 (Septembre 2010) . - pp. 1199-1217 Titre : Continuum modeling of discontinuous rock structures : Homogenization of discrete particle assemblies Type de document : texte imprimé Auteurs : Ioannis Stefanou, Auteur ; Jean Sulem, Auteur Année de publication : 2011 Article en page(s) : pp. 1199-1217 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Cosserat continuum Micromorphic Homogenization Rock joints Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A continuum model for discontinuous rock masses is presented here. The discrete system is formed by three joint sets of arbitrary geometrical and mechanical properties. In the general case the joint blocks are parallelepipeds that interact through their interfaces transferring both forces and torques. For geometrical reasons the inertia tensor of the blocks is not isotropic and the bending at the interfaces is non-symmetric. The derived continuum is an anisotropic three dimensional Cosserat continuum, which approximates the discrete system for wavelengths five times bigger the characteristic length of the typical rock block. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/resnum.jsp [article] Continuum modeling of discontinuous rock structures : Homogenization of discrete particle assemblies [texte imprimé] / Ioannis Stefanou, Auteur ; Jean Sulem, Auteur . - 2011 . - pp. 1199-1217. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 14 N° 8-9 (Septembre 2010) . - pp. 1199-1217 Mots-clés : Cosserat continuum Micromorphic Homogenization Rock joints Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A continuum model for discontinuous rock masses is presented here. The discrete system is formed by three joint sets of arbitrary geometrical and mechanical properties. In the general case the joint blocks are parallelepipeds that interact through their interfaces transferring both forces and torques. For geometrical reasons the inertia tensor of the blocks is not isotropic and the bending at the interfaces is non-symmetric. The derived continuum is an anisotropic three dimensional Cosserat continuum, which approximates the discrete system for wavelengths five times bigger the characteristic length of the typical rock block. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/resnum.jsp

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