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Robustness of Moment Resisting Steel-Concrete Composite Frames: The floor resisting mechanism in the case of column collapse

Baldassino, N; Freddi, F; Zandonini, R; (2013) Robustness of Moment Resisting Steel-Concrete Composite Frames: The floor resisting mechanism in the case of column collapse. In: (Proceedings) VIII Settimana della costruzione in acciaio/XXIV Congresso, CTA Collegio dei Tecnici dell'Acciaio, 30 September - 2 October 2013, Torino, Italy. Green open access

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Abstract

This paper illustrates the preliminary work carried on within a European Research Project, aimed at developing new design concepts for steel-concrete composite frames against accidental actions. Accidental actions can be resisted by residual strength and alternate load path methods. Combination of these strategies can lead to an effective and cost efficient design strategy for progressive collapse mitigation by redistributing the loads within the structure. The first part of the study investigates the behavior of two geometrically different steel-concrete 3D composite frames subjected to the loss of an internal column. Two full-scale experimental tests will be performed on a part of the structure, and the present paper presents the preliminary studies for the design of the tests. By simulating the total loss of the impacted column, the experiments enable investigation of the redundancy of the 3D slab system in terms of activation of membrane effects. Another important structural resource is the redundancy of the global structure through ductile joint design; this is a further major issue investigated by the project.

Type: Proceedings paper
Title: Robustness of Moment Resisting Steel-Concrete Composite Frames: The floor resisting mechanism in the case of column collapse
Event: VIII Settimana della costruzione in acciaio/XXIV Congresso, CTA Collegio dei Tecnici dell'Acciaio, 30 September - 2 October 2013, Torino, Italy
Location: Torino, Italy
Dates: 30 September 2013 - 02 October 2013
Open access status: An open access version is available from UCL Discovery
Publisher version: http://www.collegiotecniciacciaio.it/cta2017/elenc...
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Steel-Concrete Composite frames; Robustness; Experimental analysis, 3D response, Semi-rigid joints
UCL classification: UCL
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/1575837
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