This study is meant at understanding the influence of the pattern of corrosion due to chlorides-induced corrosion on the time-dependent cyclic behavior of reinforced concrete (RC) bridge columns. The chloride ingress in the cross-section of the column is simulated by a multiphysics FE approach taking into account both environmental and material factors. The non-linear cyclic responses of the RC bridge column under corrosion is evaluated by a nonlinear fiber model. A parametric study is finally conducted for a real case study, which aims at unfolding the role of the corrosion pattern on the time variation of capacity and ductility.
Influence of pattern corrosion on the time-dependent cyclic behavior of RC bridge columns / Pelle, A.; Briseghella, B.; Contiguglia, C.; Bergami, A. V.; Fiorentino, G.; Giaccu, G. F.; Lavorato, D.; Quaranta, G.; Rasulo, A.; Nuti, C.. - (2021), pp. 305-312. (Intervento presentato al convegno 2nd fib Italy YMG Symposium on Concrete and Concrete Structures, 2021 tenutosi a ita nel na).
Influence of pattern corrosion on the time-dependent cyclic behavior of RC bridge columns
Briseghella B.;Fiorentino G.;
2021
Abstract
This study is meant at understanding the influence of the pattern of corrosion due to chlorides-induced corrosion on the time-dependent cyclic behavior of reinforced concrete (RC) bridge columns. The chloride ingress in the cross-section of the column is simulated by a multiphysics FE approach taking into account both environmental and material factors. The non-linear cyclic responses of the RC bridge column under corrosion is evaluated by a nonlinear fiber model. A parametric study is finally conducted for a real case study, which aims at unfolding the role of the corrosion pattern on the time variation of capacity and ductility.
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