Based on the CT Image Rebuilding the Micromechanics Hierarchical Model of Concrete

Establishing a mesoscopic numerical model to investigate the mechanical properties of concrete has very important significance. This paper considers random distribution aggregate in concrete. The is assumed be spherical, respectively, simulate interface layer as entity unit or contact elements. and were established. Based on CT image application MATLAB MIMICS software, different characteristics for 3D reconstruction set up. Through comparative analysis advantages disadvantages models, considering number included images, this establishes model, which includes shape aggregates, gradation, holes, etc. results have shown that can infer realistic behavior, providing new approach studying at mesoscale.