Abstract
The stability of rock slope is highly affected by the distribution and strength of joints. As the failure of rock slopes usually associates with large deformation and is a complex dynamic process, Particle Flow Code (PFC) as the discrete element method is employed, which provides a direct and effective solution for stability analysis of rock slopes. The intact rock model, fracture network and dominated joint behaviors were considered, to truly simulate the characteristics of rock mass. Intact rock was represented by the parallel bonded particles model and the fracture network in intact rock was represented by nine joint sets. The dominated joint was embedded within the assembly of bonded particles. Failure mode and failure process of the slope with different dominated joint dip angles was studied. This model proves to be an effective tool in understanding progressive nature of failure occurring in jointed rock slopes.
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