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Strain-dependent slope stability
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DOI：10.1007/s11440-020-00971-3.png)
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摘要
En 中文
The state of equilibrium of a slope is usually interpreted and expressed by safety factors based on calculations with limit equilibrium methods. Different stress states, failure modes and hydraulic conditions in sections along a slip surface affect the development of shear stresses during slope movement. Moreover, a post-peak softening of the shear strength can have a pronounced impact. As a consequence of the latter effect, the mobilization of the shear resistance along the slip surface is non-uniform and the safety of the slope can be overestimated or underestimated. In the presented paper, an algorithm is proposed to capture the strain-dependent slope stability. The approach is illustrated by means of a calculation example for a slope with a planar slip surface where a block sliding is assumed.
Keyword:
Element test calculations
Mobilization of shear strength
Slope stability
Softening
Strain dependence
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5.7
论文数:
3.0K
被引数:
1.3W
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