When stress wave propagates through fractured rock masses, the wave will be slowed and attenuated due to the presence of these fractures. If the amplitude of stress wave is large enough to mobilize nonlinear deformation of these fractures, they will present different effects on one-dimensional P-wave propagation compared with those of linear deformational fractures. The static BB model is adopted to describe the nonlinear deformational behavior. Method of characteristics combined with displacement discontinuity theory is used to build analytical solutions of wave particle velocities and wave stresses. These equations are numerically solved with sufficient accuracy.
|Number of pages||5|
|Publication status||Published - 1 Jan 2003|
|Event||10th International Society for Rock Mechanics Congress, ISRM 2003 - Sandton, South Africa|
Duration: 8 Sep 2003 → 12 Sep 2003
|Conference||10th International Society for Rock Mechanics Congress, ISRM 2003|
|Period||8/09/03 → 12/09/03|