Residual strength and alternate load paths are two fundamental design strategies to ensure adequate resistance against progressive collapse of structures. This paper presents an experimental study carried out on two full-scale steel and concrete composite frames to investigate their structural behaviour in case of a column collapse. The study focusses on the redundancy of the structure as provided by the beam-slab floor system as well as by the ductile beam-to-column joints. The specimens were ground floor sub-frames ‘extracted’ from two reference buildings designed in accordance to the Eurocodes. The frames have the same overall dimensions, but a different, symmetric and asymmetric, configuration of the column layout. In both tests, the collapse of an internal column was simulated. The paper presents the main features of the frames and the principal outcomes of the test on the symmetric frame.

PROGRESSIVE COLLAPSE: THE CASE OF COMPOSITE STEEL-CONCRETE FRAMES / Zandonini, Riccardo; Baldassino, Nadia; Freddi, Fabio; Roverso, Giacomo. - STAMPA. - (2020), pp. 762-774. (Intervento presentato al convegno CCVIII tenutosi a Jackson Hole, Wyoming nel 29th July- 2nd August 2017).

PROGRESSIVE COLLAPSE: THE CASE OF COMPOSITE STEEL-CONCRETE FRAMES

Zandonini, Riccardo;Baldassino, Nadia;Freddi, Fabio;Roverso, Giacomo
2020-01-01

Abstract

Residual strength and alternate load paths are two fundamental design strategies to ensure adequate resistance against progressive collapse of structures. This paper presents an experimental study carried out on two full-scale steel and concrete composite frames to investigate their structural behaviour in case of a column collapse. The study focusses on the redundancy of the structure as provided by the beam-slab floor system as well as by the ductile beam-to-column joints. The specimens were ground floor sub-frames ‘extracted’ from two reference buildings designed in accordance to the Eurocodes. The frames have the same overall dimensions, but a different, symmetric and asymmetric, configuration of the column layout. In both tests, the collapse of an internal column was simulated. The paper presents the main features of the frames and the principal outcomes of the test on the symmetric frame.
2020
Composite Construction in Steel and Concrete 8: Proceedings of the Eighth International Conference on Composite Construction in Steel and Concrete
Chicago
American Institute of Steel Construction
978-1-56424-062-0
Zandonini, Riccardo; Baldassino, Nadia; Freddi, Fabio; Roverso, Giacomo
PROGRESSIVE COLLAPSE: THE CASE OF COMPOSITE STEEL-CONCRETE FRAMES / Zandonini, Riccardo; Baldassino, Nadia; Freddi, Fabio; Roverso, Giacomo. - STAMPA. - (2020), pp. 762-774. (Intervento presentato al convegno CCVIII tenutosi a Jackson Hole, Wyoming nel 29th July- 2nd August 2017).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/280400
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