Determination of loading scenarios on buildings due to column damage

Robustness; impact loading; Loss of a column; analytical model; simplified model; impact scenario; impact of a vehicule; alternative load path; impact design of structures; simplified column response; energy methods

Abstract :

[en] The majority of imaginable (and relevant) accidental scenarios on building structures are initiated at the ground level by a column suffering damage, mainly due to a localized explosion or a vehicle impact. The transmitted vertical forces from the column to the structure are decisive in understanding the response of the building and are the subject of analysis of this paper. The classic definition of a column loss scenario is extended here by means of a simplified analytical approach to characterize the axial forces appearing in the column during the damage process. A simple closed-form solution is proposed to define the loading scenario on the structure and compared to the classic rectangular (un)loading approach. In certain cases, the proposed analysis shows a more unfavorable loading situation for the structure, which needs to be accounted for during design.

Disciplines :

Civil engineering

Author, co-author :

Colomer, Carles Segura

Hamra, Lotfi

D'Antimo, Marina ; Université de Liège > Département ArGEnCo > HECE (Hydraulics in Environnemental and Civil Engineering)

Demonceau, Jean-François ; Université de Liège > Département ArGEnCo > Département ArGEnCo

Feldmann, Markus

Language :

English

Title :

Determination of loading scenarios on buildings due to column damage

Publication date :

November 2017

Journal title :

Structures

eISSN :

2352-0124

Publisher :

Elsevier

Volume :

Volume 12

Pages :

1-12

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 15 June 2017

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