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Faculté des Sciences appliquées
Faculté des Sciences appliquées
MASTER THESIS
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Effect of the actual behaviour of structural joints on the steel frame response in case of column loss scenario

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Nenciu, Gabriela-Alina ULiège
Promotor(s) : Demonceau, Jean-François ULiège ; Jaspart, Jean-Pierre ULiège
Date of defense : 5-Sep-2022/6-Sep-2022 • Permalink : http://hdl.handle.net/2268.2/16136
Details
Title : Effect of the actual behaviour of structural joints on the steel frame response in case of column loss scenario
Translated title : [fr] L'effet du comportement des connexions structurelles dans la reponse de l'ossature metallique en cas de perte d'un poteau
Author : Nenciu, Gabriela-Alina ULiège
Date of defense  : 5-Sep-2022/6-Sep-2022
Advisor(s) : Demonceau, Jean-François ULiège
Jaspart, Jean-Pierre ULiège
Committee's member(s) : Franssen, Jean-Marc ULiège
Golea, Tudor ULiège
Stefanescu, Bogdan 
Language : English
Number of pages : 69
Discipline(s) : Engineering, computing & technology > Civil engineering
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master en ingénieur civil des constructions, à finalité spécialisée en "civil engineering"
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[en] The structural robustness is a relatively recent topic in the civil engineering world. Even though there are several researches and guidelines based on this subject, there are still many unknowns regarding the response of the structures in the case of exceptional event. Based on this context, the main purpose of this master thesis is to investigate the behavior of the beam-to-column connections on steel frames, in the event of the column loss. In more details, the study focuses on the influence of the partial-strength joints on the robustness of the structure, by their contribution to the arching effect and to the formation of the plastic mechanism.
The first part of the thesis consists of the comparison between two analytical models, the objective of which is to determine the plastic load coming from the beam arch and from the formation the plastic mechanism. The two models were subjected to several parametric studies, in order to evaluate the results. It was confirmed through numerical analysis that the new approach brought an improvement to the
accuracy of the results.
The second part consists of parametric studies as well, based on numerical analysis, which emphasize the influence of the beam-to-column connection and of its components on the structural robustness. The simulations were performed in the finite element modelling program FinelG. Moreover, it was confirmed through numerical investigations, that the computation of total the plastic load can be simplified, depending on the similarity between the storeys of the structure.


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Author

  • Nenciu, Gabriela-Alina ULiège Université de Liège > Master ingé. civ. constr., fin.

Promotor(s)

Committee's member(s)

  • Franssen, Jean-Marc ULiège Université de Liège - ULiège > Département ArGEnCo > Ingénierie du feu
    ORBi View his publications on ORBi
  • Golea, Tudor ULiège Université de Liège - ULiège > Département ArGEnCo > Adéquat. struct. aux exig. de fonct.& perfor. techn.-écon.
    ORBi View his publications on ORBi
  • Stefanescu, Bogdan Technical University of Construction Bucharest
  • Total number of views 13
  • Total number of downloads 7










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