A. Abrishambaf V.M.C.F. Cunha J.A.O. Barros


Adding fibres to concrete provides several advantages, especially in terms of controlling the crack opening width and propagation after the cracking onset. However, distribution and orientation of the fibres toward the active crack plane are significantly important in order to maximize its benefits. Therefore, in this study, the effect of the fibre distribution and orientation on the post-cracking tensile behaviour of the steel fibre reinforced self-compacting concrete (SFRSCC) specimens is investigated. For this purpose, several cores were extracted from distinct locations of a panel and were subjected to indirect (splitting) and direct tensile tests. The local stress-crack opening relationship (?-w) was obtained by modelling the splitting tensile test under the finite element framework and by performing an Inverse Analysis (IA) procedure. Afterwards the ?-w law obtained from IA is then compared with the one ascertained directly from the uniaxial tensile tests. Finally, the fibre distribution/orientation parameters were determined adopting an image analysis technique.


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    How to Cite

    Abrishambaf, A., Cunha, V. and Barros, J. (2014) “The influence of fibre orientation on the post-cracking tensile behaviour of steel fibre reinforced self-compacting concrete”, Frattura ed Integrità Strutturale, 9(31), pp. pages 38–53. doi: 10.3221/IGF-ESIS.31.04.

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