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A simple model for the calculation of the axial load-carrying capacity of corroded RC columns

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Abstract

In the present paper, a simplified model is used to determine the axial load-carrying capacity of compressed short reinforced concrete columns subjected to corrosion processes. The model considers members with circular and square cross-sections and accounts for—cover spalling, —concrete core confinement induced by transverse steel reinforcement, —buckling of longitudinal reinforcing bars. Strength reduction in concrete cover and core due to cracking induced by rust formation, reduction of steel area in longitudinal bars and transverse stirrups due to general and pitting corrosion and loss of confinement pressure are considered. The load-carrying capacity and load-axial strain curves here generated analytically fit well the existing experimental data.

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Authors and Affiliations

  1. DICAM, University of Palermo, Viale delle Scienze, 90128, Palermo, Italy

    G. Campione, F. Cannella & G. Minafò

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  1. G. Campione
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  2. F. Cannella
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  3. G. Minafò
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Correspondence to G. Campione.

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Campione, G., Cannella, F. & Minafò, G. A simple model for the calculation of the axial load-carrying capacity of corroded RC columns. Mater Struct 49, 1935–1945 (2016). https://doi.org/10.1617/s11527-015-0624-4

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  • DOI: https://doi.org/10.1617/s11527-015-0624-4

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