Three-dimensional Reconstruction and Growth Factor Model for Rock Cracks under Uniaxial Cyclic Loading/Unloading by X-ray CT

The spatial distribution and propagation of cracks are one of the key factors that can influence the initiation of rock failure. In this investigation, the technique of X-ray computed tomography (CT) scanning was used to survey the pattern of rock cracks during cyclic loading/unloading. The distribution and nonlinear development of rock cracks were explored by three-dimensional (3D) reconstruction for use to quantitatively describe their growth....