Abstract
In the present paper, a simplified model to determine the moment-axial force domain of the cross-section of reinforced concrete columns subjected to corrosion process is presented. The model considers members with square and rectangular cross-sections and it accounts for cover spalling, buckling of longitudinal reinforcing bars, loss of bond of bar in tension, reduction of confinement pressures (due to the reduction of the area of stirrups and cracking of concrete induced by rust formation). The analytical expressions for prediction of the area reduction of steel, bond strength and critical load of longitudinal bars utilized were verified against experimental data available literature.
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Acknowledgements
The research was performed within the 2014/18 Research Project “DPC–ReLUIS (Dipartimento Protezione Civile - Rete dei Laboratori Universitari di Ingegneria Sismica)”, Linea di Ricerca Cemento Armato. The related financial support was greatly appreciated.
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Campione, G., Cannella, F., Cavaleri, L., Ferrotto, M.F., Papia, M. (2018). Moment-Axial Domain of Corroded R.C. Columns. In: di Prisco, M., Menegotto, M. (eds) Proceedings of Italian Concrete Days 2016. ICD 2016. Lecture Notes in Civil Engineering , vol 10. Springer, Cham. https://doi.org/10.1007/978-3-319-78936-1_32
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DOI: https://doi.org/10.1007/978-3-319-78936-1_32
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