Study on Destabilization Mode of Huge Rock Mixture Slope
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Abstract:
The destabilization mode of the huge rock mixture slope was investigated using the discrete element numerical method. The results showed that (1) the huge rock mixture slope would deform when the friction coefficient of the rock surface reduces. The destabilization mode is mainly the translation slip of rock blocks with rotation of a few rock blocks; (2) the rock blocks accumulate and occlude during the movement, and shows the ability of self-stabilization; (3) the main destabilization range of the huge block mixture slope is the front and the middle parts of the slope. In vertical direction, the upper and middle parts of slope have higher deformation than the lower part; and (4) the movement of front rock block can cause the deformation of back rock block due to losing of support, which is the retrogressive destabilization mode.
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