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Title: | A parametric computational study of rc building structures under corner-column removal situations |
Authors: | Buitrago, M Bertolesi, E Garzón-Roca, J Sagaseta, J Adam, JM |
Keywords: | corner-column removal;extreme events;FEM;parametric study;building structures |
Issue Date: | 14-Dec-2020 |
Publisher: | MDPI |
Citation: | Buitrago, M. et al. (2020) 'A parametric computational study of rc building structures under corner-column removal situations', Applied Sciences (Switzerland), 10 (24), 8911, pp. 1 - 27. doi: 10.3390/app10248911. |
Abstract: | Copyright © 2020 by the authors. Building progressive collapse is currently one of the hottest topics in the structural engineering field. Most of the research carried out to date on this topic has been focused on the structural analysis of the failure of one or more columns in a building to determine the Alternative Load Paths (ALPs) the structure can activate. Past research was mainly focused on extreme situations with high loads and large structural deformations and, to a lesser extent, research looked at lower loads used in design accidental situations, which requires a different set of assumptions in the analysis. This paper describes a study aimed at analysing accidental design situations in corner-column removal scenarios in reinforced concrete (RC) building structures and evaluating the available real ALPs in order to establish practical recommendations for design situations that could be taken into account in future design codes. A wide parametric computational analysis was carried out with advanced Finite Element (FE) models which the authors validated by full-scale tests on a purpose-built building structure. The findings allowed us to: (i) establish design recommendations, (ii) demonstrate the importance of Vierendeel action and (iii) recommend Dynamic Amplification Factors (DAFs) for design situations. |
URI: | https://bura.brunel.ac.uk/handle/2438/27786 |
DOI: | https://doi.org/10.3390/app10248911 |
Other Identifiers: | ORCID iD: Manuel Buitrago https://orcid.org/0000-0002-5561-5104 ORCID iD: Elisa Bertolesi https://orcid.org/0000-0003-3258-0743 ORCID iD: Julio Garzón-Roca https://orcid.org/0000-0003-4512-7067 8911 |
Appears in Collections: | Dept of Civil and Environmental Engineering Research Papers |
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