Failure Characteristics and Mechanism of Double-Sided Slopes in Seismic Load | Chapter 05 | Novel Perspectives of Engineering Research Vol. 8
To research the failure mechanism and failure modes of some double-sided slopes, the two-dimensional particle flow code (PFC2D) and shaking table tests are utilised in this paper to study the mechanism of double-sided slopes failure. The results reveal that under seismic loads, the failure modes of slopes with varying moisture content varies. Shattering-shallow slip failure occurs on slopes with 5% moisture content, tension-shear slip failure occurs on slopes with 8% moisture content, and shattering-collapse slip failure occurs on slopes with 12% moisture content. The failure mechanism of slopes with varying water content varies. The slope with 5% moisture content causes tensile fractures on the upper surface of the slope in the initial stage of vibration, and local shear slip occurs at the foot of the slope and grows rapidly, then it converts to tensile failure. Local shear cracks form first on the slope with 8% moisture content, and subsequently they unite to form a slip plane,...