Research on RHT constitutive model parameters of fiber reinforced concrete based on experiment and numerical simulation

In this paper, a method for determining the parameters of the RHT material model, which can hardly be determined by total experiments, based on the combination of experiment and numerical simulation is proposed.The determination process and verification are analyzed taking UHMWPE fiber reinforced concrete as an example.The result shows that the obtained parameters can relatively well reflect the mechanical properties of the fiber reinforced concrete, which proves the effectiveness of the method.