Techno Press
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Structural Engineering and Mechanics   Volume 65, Number 6, March25 2018, pages 689-698
Structural robustness of RC frame buildings under threat-independent damage scenarios
Antonio Ventura, Valerio De Biagi and Bernardino Chiaia

Abstract     [Full Text]
    This study focuses on a novel procedure for the robustness assessment of reinforced concrete (RC) framed structures under threat-independent damage scenarios. The procedure is derived from coupled dynamic and non-linear static analyses. Two robustness indicators are defined and the method is applied to two RC frame buildings. The first building was designed for gravity load and earthquake resistance in accordance with Eurocode 8. The second was designed according to the tie force (TF) method, one of the design quantitative procedures for enhancing resistance to progressive collapse. In addition, in order to demonstrate the suitability and applicability of the TF method, the structural robustness and resistance to progressive collapse of the two designs is compared.
Key Words
    progressive collapse; structural robustness; pushdown analysis; nonlinear FEM; RC framed structures
Antonio Ventura, Valerio De Biagi and Bernardino Chiaia: Department of Structural, Geotechnical and Building Engineering (DISEG), Politecnico di Torino, Duca degli Abruzzi, 24, I-10129 Torino, Italy

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