2011
DOI: 10.1590/s1983-41952011000400002
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A 3D finite element model for reinforced concrete structures analysis

Abstract: This work presents a numerical model for 3D analyses through the finite element method of reinforced concrete structures subjected to monotonic loads. The proposed model for concrete is orthotropic and uses the equivalent uniaxial strain concept. The equivalent uniaxial stress-strain relation is generalized to take into account the triaxial stress conditions. The parameters used in the equivalent uniaxial stress-strain curve are determined from the failure surface defined in the principal stress space. The imp… Show more

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Cited by 7 publications
(6 citation statements)
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“…Babu et al (2005), in a review on concrete constitutive modelling, describe the generalized use of the Ottosen failure criterion in practice. The failure surface corresponding to this criterion is given by the following equation (Bono et al, 2011):…”
Section: Safety Assessment Of Lining Systemsmentioning
confidence: 99%
See 1 more Smart Citation
“…Babu et al (2005), in a review on concrete constitutive modelling, describe the generalized use of the Ottosen failure criterion in practice. The failure surface corresponding to this criterion is given by the following equation (Bono et al, 2011):…”
Section: Safety Assessment Of Lining Systemsmentioning
confidence: 99%
“…3D moment-thrust interaction diagram with an external point projected inside the 2D diagrams.where r 1 , r 2 , r 3 are respectively the major, intermediate and minor principal stresses.Therefore the Ottosen failure criterion requires the determination of five constitutive parameters for the concrete, namely: f c , a, b, c 1 , c 2 Bono et al (2011). also describe correlations recommended by the CEB-FIP model code from 1990 for these parameters based on the ratio between the tensile and compressive uniaxial strengths (k).…”
mentioning
confidence: 99%
“…The second problem is related to the famous work of Bresler and Scordelis [13], who tested many reinforced concrete beams with different cross-sections and for many kinds of reinforcements. Many models were developed [14], [15], [16] aiming to reproduce the experimental results of Bresler and Scordelis [13].…”
Section: Introductionmentioning
confidence: 99%
“…In general, the short columns of hill buildings attract more forces and undergo extensive damage if it is not properly designed for earthquake forces. The using of 3D finite element models to investigate the behaviour reinforced concrete and steel structures have been the subject of many studies in the last years [11][12][13][14]. The finite element analysis of reinforced concrete (RC) structures under different conditions can be a powerful tool for predicting their behaviour in order to evaluate the safety levels of design.…”
Section: Introduction and Related Workmentioning
confidence: 99%