Numerical Simulation of Fiber-reinforced Concrete under Cyclic Loading using Extended Finite Element Method and Concrete Damaged Plasticity

In recent years, the scientific community has shown a growing interest in fiber-reinforced concrete (FRC) for modern structures due to its enhanced ductility compared traditional reinforced (RC). This paper introduces an analytical model that incorporates comprehensive fiber reinforcing index (RI) study various types of FRC. The analysis focuses on compressive and tensile behaviors, damage evolution under cyclic loading, crack propagation matrix. To effectively simulate initiation FRC structures, extended finite element method (XFEM) is employed, leveraging fracture-solving capabilities. Additionally, XFEM combined with damaged plasticity (CDP) modeling approach examine quasi-static hysteretic performance columns. Three-dimensional nonlinear models are constructed using commercial software Abaqus. These incorporate steel fibers, polypropylene combination both fibers structures. Furthermore, accuracy XFEM-CDP-based predicting behavior validated against results from previous research articles, demonstrating reasonable accuracy. It allows engineers accurately capture concrete, including cracking, crushing, plastic deformation, while also considering complex patterns, providing better understanding seismic numerical simulations.