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Validation of mechanical models for reinforced concrete structures Presentation of the French project Benchmark des Poutres de la Rance

Abstract : Several ageing models are available for the prediction of the mechanical consequences of rebar corrosion. They are used for service life prediction of reinforced concrete structures. Concerning corrosion diagnosis of reinforced concrete, some Non Destructive Testing (NDT) tools have been developed, and have been in use for some years. However, these developments require validation on existing concrete structures. The French project Benchmark des Poutres de la Rance contributes to this aspect. It has two main objectives (i) validation of mechanical models to estimate the influence of rebar corrosion on the load bearing capacity of a structure, (ii) qualification of the use of the NDT results to collect information on steel corrosion within reinforced-concrete structures. Ten French and European institutions from both academic research laboratories and industrial companies contributed during the years 2004 and 2005. This paper presents the project that was divided into several work packages (i) the reinforced concrete beams were characterized from non-destructive testing tools, (ii) the mechanical behaviour of the beams was experimentally tested, (iii) complementary laboratory analysis were performed and (iv) finally numerical simulations results were compared to the experimental results obtained with the mechanical tests.
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Submitted on : Friday, November 8, 2019 - 2:02:26 PM
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V. l'Hostis, C. Brunet, O. Poupard, I. Petre-Lazar. Validation of mechanical models for reinforced concrete structures Presentation of the French project Benchmark des Poutres de la Rance. Journal de Physique IV - Proceedings, 2006, 136, ⟨10.1051/jp4:2006136028⟩. ⟨cea-02355762⟩

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