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M.D. Kotsovos* and M.N. Pavlovic#

*Department of Civil Engineering, National Technical University of Athens, Athens, Greece
#Department of Civil Engineering, Imperial College of Science, Technology and Medicine, London, United Kingdom

doi:10.4203/ccp.24.4.1

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M.D. Kotsovos, M.N. Pavlovic, "Size Effects in Structural Concrete: A Numerical Experiment", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Non-Linear Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 109-118, 1994. doi:10.4203/ccp.24.4.1

Abstract

The paper forms part of a programme of investigation into the causes of size effects in structural-concrete behaviour. It is postulated that one of the causes of size effects is load-induced non-symmetrical cracking which is inherent in concrete due to its heterogeneous nature. The validity of this postulate is supported by the results - presently reported - of nonlinear finite-element analysis, in which the model used to describe cracking is capable of inducing non-symmetrical cracking in symmetrical structural members subjected to symmetrical loading. The results demonstrate that the package used can also provide a close fit to experimental values and, moreover, that the presence of stirrups (designed so as to prevent shear failure) is sufficient to diminish the effect of non-symmetrical cracking and, hence, eliminate size effects.

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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: 24 ADVANCES IN NON-LINEAR FINITE ELEMENT METHODS Edited by: B.H.V. Topping and M. Papadrakakis Paper IV.1 Size Effects in Structural Concrete: A Numerical Experiment M.D. Kotsovos* and M.N. Pavlovic# *Department of Civil Engineering, National Technical University of Athens, Athens, Greece #Department of Civil Engineering, Imperial College of Science, Technology and Medicine, London, United Kingdom doi:10.4203/ccp.24.4.1 purchase the full-text of this paper Full Bibliographic Reference for this paper M.D. Kotsovos, M.N. Pavlovic, "Size Effects in Structural Concrete: A Numerical Experiment", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Non-Linear Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 109-118, 1994. doi:10.4203/ccp.24.4.1 Abstract The paper forms part of a programme of investigation into the causes of size effects in structural-concrete behaviour. It is postulated that one of the causes of size effects is load-induced non-symmetrical cracking which is inherent in concrete due to its heterogeneous nature. The validity of this postulate is supported by the results - presently reported - of nonlinear finite-element analysis, in which the model used to describe cracking is capable of inducing non-symmetrical cracking in symmetrical structural members subjected to symmetrical loading. The results demonstrate that the package used can also provide a close fit to experimental values and, moreover, that the presence of stirrups (designed so as to prevent shear failure) is sufficient to diminish the effect of non-symmetrical cracking and, hence, eliminate size effects. 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 £68 +P&P)
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