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Failure mode transitions in RC beams: A cohesive/overlapping crack model application

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Abstract

The analysis of reinforced concrete beams in flexure taking into account the nonlinear behaviour of concrete is addressed by a numerical approach based on the Cohesive-Overlapping Crack Model. An extensive experimental research has been proposed by Bosco and Carpinteri (Scale effects and transitional phenomena of reinforced concrete beams in flexure. ESIS Technical Committée 9 Round Robin proposal, 1993), Bosco et al. (Scale effects and transitional failure phenomena of reinforced concrete beams in flexure. Report to ESIS Technical Committée 9, 1996) and El-Khatieb (Transizione di scala duttile-fragile per le travi in calcestruzzo armato. PhD Thesis, 1997) in order to obtain a rational explanation for failure transitional phenomena of RC beams by varying steel percentage and/or beam slenderness and/or beam size-scale. In the present paper, collapse mechanisms due to concrete tensile cracking, concrete compressive crushing and steel yielding and/or slippage are analysed and a numerical vs. experimental comparison is presented in order to validate the proposed model.

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Authors and Affiliations

  1. Department of Structural and Geotechnical Engineering, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129, Torino, Italy

    A. Carpinteri & E. Cadamuro

  2. Civil Engineering Department, Isra University, P.O. Box 22, Amman, Jordan

    M. El-Khatieb

Authors
  1. A. Carpinteri
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  2. M. El-Khatieb
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  3. E. Cadamuro
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Correspondence to E. Cadamuro.

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Carpinteri, A., El-Khatieb, M. & Cadamuro, E. Failure mode transitions in RC beams: A cohesive/overlapping crack model application. Meccanica 48, 2349–2366 (2013). https://doi.org/10.1007/s11012-013-9753-4

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  • DOI: https://doi.org/10.1007/s11012-013-9753-4

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