Stepa Paunović, Aleksandar Šutanovac, Predrag Blagojević

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An alternative numerical model for fiber reinforced concrete (FRC) compressive and bending tensile strength determination is presented in this paper. Fibers are modeled explicitly by using the Extended Finite Element Method (XFEM). An alternative method for modeling the fiber-matrix interaction, without the need for additional subroutine definition, is proposed. The presented numerical model was evaluated by experimental tests and results are in good agreement. The model was developed for Simulia ABAQUS software, but the proposed modeling procedure is generally applicable. In the end, some possible model improvements and suggested applications are included.


fiber reinforced concrete, FRC, XFEM, discrete fiber model, fiber-matrix interaction, strength evaluation

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Predrag Blagojević, PhD thesis (2011) Faculty of Civil Engineering and Arcitecture, University of Niš, Serbia

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