AN ALTERNATIVE NUMERICAL MODEL FOR FIBER REINFORCED CONCRETE STRENGTH EVALUATION

Stepa Paunović, Aleksandar Šutanovac, Predrag Blagojević

DOI Number
https://doi.org/10.2298/FUACE220223017P
First page
213
Last page
230

Abstract


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.

Keywords

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

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References


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