Reference : Robustness of steel and composite building structures
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Civil engineering
http://hdl.handle.net/2268/126349
Robustness of steel and composite building structures
English
Jaspart, Jean-Pierre mailto [Université de Liège - ULg > Département Argenco : Secteur MS2F > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon. >]
Demonceau, Jean-François mailto [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >]
Coméliau, Ludivine mailto [Université de Liège - ULg > Département Argenco : Secteur MS2F > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon. >]
Sep-2011
7th National conference on steel structures proceedings
71-86
Yes
Yes
National
7th National conference on steel structures
29 septembre 2011 - 1 octobre 2011
Volos
Greece
[en] Robustness ; Loss of a column ; exceptional loading ; catenary action ; dynamic effect
[en] Recent events such as natural catastrophes or terrorism attacks have highlighted the necessity to ensure the structural integrity of buildings under an exceptional event. According to the Eurocodes and some different other national design codes, the structural integrity of civil engineering structures should be ensured through appropriate measures but, in most cases, no precise practical guidelines on how to achieve this goal are provided.
At Liège University, the robustness of building frames is investigated with the final objective to propose design requirements to mitigate the risk of progressive collapse considering the conventional scenario “loss of a column” further to an unspecified event. In particular, a complete analytical procedure has been developed for the verification of the robustness of steel or composite plane frames. For sake of simplicity, these first works have been based on the assumption that the dynamic effects linked to the column loss were limited and could therefore be neglected. More recently, complementary works have been carried out with the objective to address the dynamic effects. Besides, the extension of the static procedure to actual 3D frames is under investigation in Liège. The present paper gives a global overview of the ongoing researches in the field of robustness at Liège University and, in particular, the global strategy aiming at deriving design requirements is detailed.
http://hdl.handle.net/2268/126349

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