Mesomechanical model for concrete. Part Ⅱ: applications

摘要

In Part Ⅰ of the study reported in the companion paper, a mesomechanical model for concrete was formulated, and the roles of various parameters of the model were examined in detail. In this paper, results from numerical simulations obtained using the computer program CFPA (Concrete Fracture Process Analysis) employing the mesomechanical model presented in the companion paper are presented. These simulations cover a variety of loading conditions including uniaxial compression, uniaxial tension, indirect tension, shear and biaxial loading, and an fibre-reinforced polymer-to-concrete bond test. The results show that the CFPA program can successfully simulate the entire fracture process of concrete, including the initiation, propagation and coalescence of cracks, localisation of deformation and stress redistribution.