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The effect of composite floor on the robustness of steel self-centering MRFs under column loss

Dimopoulos, C; Freddi, F; Karavasilis, T; Vasdravellis, G; (2018) The effect of composite floor on the robustness of steel self-centering MRFs under column loss. In: Albero, V and Espinós, A and Ibáñez, C and Lapuebla, A and Romero, ML, (eds.) Proceedings of the 12th International Conference on Advances in Steel-Concrete Composite Structures (ASCCS 2018). (pp. pp. 889-895). Universitat Politècnica de València: València, Spain. Green open access

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Abstract

This paper presents the numerical assess of the robustness of a seismic-resistant steel building with self-centering moment resisting frames against progressive collapse. The numerical analyses were carried out using a 3D model developed in ABAQUS. The 3D model considers the effect of the composite slab, where composite beams and their shear connectors were modeled with a combination of shell, beam and nonlinear connector elements. All the beam-column and beam-to-beam connections were modeled using nonlinear connector elements with appropriate failure criteria, calibrated against previous experimental results. The self-centering moment resisting frame where a sudden column loss was simulated was modelled using 3D solid elements to accurately capture its local and global nonlinear behavior. Quasi-static nonlinear analyses were carried out to identify all possible failure modes and to investigate the effect of the floor slab on the overall progressive collapse resistance. Nonlinear dynamic analyses were also carried out to predict the true dynamic response and evaluate the acceptance criteria of current building design guidelines.

Type: Proceedings paper
Title: The effect of composite floor on the robustness of steel self-centering MRFs under column loss
Event: 12th International Conference on Advances in Steel-Concrete Composite Structures (ASCCS)
Location: Valencia
Dates: 27 June 2018 - 29 June 2018
ISBN-13: 978-84-9048-601-6
Open access status: An open access version is available from UCL Discovery
DOI: 10.4995/ASCCS2018.2018.8534
Publisher version: http://dx.doi.org/10.4995/ASCCS2018.2018.8534
Language: English
Additional information: This work is licensed under a Licencia Creative Commons Atribución-NoComercial-SinDerivar 4.0 Internacional (https://creativecommons.org/licenses/by-nc-nd/4.0/).
Keywords: Progressive collapse, Self-Centering Moment Resisting Frames; Robustness
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10046015
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