Progressive collapse of the world trade center / K. A. Seffen in Journal of engineering mechanics, Vol. 134 N°2 (Fevrier 2008)  

Public ISBD [article]  inJournal of engineering mechanics > Vol. 134 N°2 (Fevrier 2008) . - pp.125–132. Titre : Progressive collapse of the world trade center : Simple analysis Type de document : texte imprimé Auteurs : K. A. Seffen, Auteur Année de publication : 2008 Article en page(s) : pp.125–132. Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Progressive failure Collapse Residual strength Dynamic analysis Buildings high-rise New York City Terrorism Résumé : The collapse behavior of the World Trade Center towers is considered formally as a propagating instability phenomenon. The application of associated concepts enables the residual capacities of both towers after the onset of collapse to be formally estimated. This information is combined into a simplified variable-mass collapse model of the overall dynamical behavior. The resulting, nonlinear governing equation of motion can be solved in closed form, to yield compact information about the overall collapse conditions. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%290733-9399%282008%29134%3A2%2812 [...] [article] Progressive collapse of the world trade center : Simple analysis [texte imprimé] / K. A. Seffen, Auteur . - 2008 . - pp.125–132. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 134 N°2 (Fevrier 2008) . - pp.125–132. Mots-clés : Progressive failure Collapse Residual strength Dynamic analysis Buildings high-rise New York City Terrorism Résumé : The collapse behavior of the World Trade Center towers is considered formally as a propagating instability phenomenon. The application of associated concepts enables the residual capacities of both towers after the onset of collapse to be formally estimated. This information is combined into a simplified variable-mass collapse model of the overall dynamical behavior. The resulting, nonlinear governing equation of motion can be solved in closed form, to yield compact information about the overall collapse conditions. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%290733-9399%282008%29134%3A2%2812 [...]

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