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S.M.R. Lopes¹, A.V. Lopes² and T.J. Lou¹

¹CEMUC, Department of Civil Engineering
University of Coimbra, Portugal
²CIEC, Department of Civil Engineering
University of Coimbra, Portugal

doi:10.4203/ccp.102.122

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S.M.R. Lopes, A.V. Lopes, T.J. Lou, "Numerical Prediction of the Stresses in the Steel Bars of Reinforced Concrete Beams", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 122, 2013. doi:10.4203/ccp.102.122

Keywords: reinforced concrete, bending, computational analysis, non linear analysis, beams.

Summary

In this paper, the authors present a new methodology for evaluating the stresses, both in concrete and in the tensioned steel bars of a rectangular section of a reinforced concrete beam subjected to bending. This evaluation, is based on the principle that straight sections remain straight after deformation. In this context, the stress depends on the knowledge of the curvature of the section and of the position of the neutral axis. These parameters are evaluated computationally using a moment-curvature programme. This model has been developed with the intention of considering aspects such as the confinement of the compressed concrete or the stiffening effect. In order to validate the model, the results are compared with experimental results evaluated by means of moment-curvature curves.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 102 PROCEEDINGS OF THE FOURTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: Paper 122 Numerical Prediction of the Stresses in the Steel Bars of Reinforced Concrete Beams S.M.R. Lopes¹, A.V. Lopes² and T.J. Lou¹ ¹CEMUC, Department of Civil Engineering University of Coimbra, Portugal ²CIEC, Department of Civil Engineering University of Coimbra, Portugal doi:10.4203/ccp.102.122 purchase the full-text of this paper Full Bibliographic Reference for this paper S.M.R. Lopes, A.V. Lopes, T.J. Lou, "Numerical Prediction of the Stresses in the Steel Bars of Reinforced Concrete Beams", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 122, 2013. doi:10.4203/ccp.102.122 Keywords: reinforced concrete, bending, computational analysis, non linear analysis, beams. Summary In this paper, the authors present a new methodology for evaluating the stresses, both in concrete and in the tensioned steel bars of a rectangular section of a reinforced concrete beam subjected to bending. This evaluation, is based on the principle that straight sections remain straight after deformation. In this context, the stress depends on the knowledge of the curvature of the section and of the position of the neutral axis. These parameters are evaluated computationally using a moment-curvature programme. This model has been developed with the intention of considering aspects such as the confinement of the compressed concrete or the stiffening effect. In order to validate the model, the results are compared with experimental results evaluated by means of moment-curvature curves. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £65 +P&P)
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