Abstract
K148+380-480 section of some certain highway is high layered dip cut slope. Weak surfaces, joints and damping load tension fissures of steep dip have significant effect on slope stability during excavation. The geological conditions and rock mass structure characteristics of the slope are analyzed in the paper. Failure patterns and deformation processes are simulated with UDEC discrete element numerical simulation software based on three-dimension (3D) and two-dimension (2D) discrete element method respectively. Besides, key factors that control slope deformation and failure are discussed.
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