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Analyse probabiliste de la fiabilité des poutres en béton armé corrodées
An assessment of the reliability of reinforced concrete beams with corroded reinforcement is proposed based on the computation of the reliability index. The corrosion is induced by chlorides provided from de-icing salts or marine breeze. The statistical distributions have been specified from a wide review of previous studies for environmental parameters (surface chloride concentration or flux, coefficient of diffusion, corrosion current density) and also for geometrical parameters and mechanical properties of materials. The time dependant reliability is evaluated taking into account the previous survival period of the structure. The results show the effect on reliability of exposition conditions, quality of concrete and design options according to French design rules.
Analyse probabiliste de la fiabilité des poutres en béton armé corrodées
An assessment of the reliability of reinforced concrete beams with corroded reinforcement is proposed based on the computation of the reliability index. The corrosion is induced by chlorides provided from de-icing salts or marine breeze. The statistical distributions have been specified from a wide review of previous studies for environmental parameters (surface chloride concentration or flux, coefficient of diffusion, corrosion current density) and also for geometrical parameters and mechanical properties of materials. The time dependant reliability is evaluated taking into account the previous survival period of the structure. The results show the effect on reliability of exposition conditions, quality of concrete and design options according to French design rules.
Analyse probabiliste de la fiabilité des poutres en béton armé corrodées
Duprat, Frédéric (author)
Revue Française de Génie Civil ; 8 ; 261-288
2004-02-01
28 pages
Article (Journal)
Electronic Resource
Unknown
reliability , reinforced concrete , corrosion , chloride , fiabilité , béton armé , chlore
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