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01-12-2013

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

Authors: A. Carpinteri, M. El-Khatieb, E. Cadamuro

Published in: Meccanica | Issue 10/2013

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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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Title: Failure mode transitions in RC beams: A cohesive/overlapping crack model application
Authors: A. Carpinteri
M. El-Khatieb
E. Cadamuro
Publication date: 01-12-2013
Publisher: Springer Netherlands
Published in: Meccanica / Issue 10/2013
Print ISSN: 0025-6455
Electronic ISSN: 1572-9648
DOI: https://doi.org/10.1007/s11012-013-9753-4

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