Rainfall on a Slope

Software

Version Notes:
FLAC 8.0

Level: Intermediate
Runs in Demo: No

Write Up
Walk Through
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The stability of a slope subjected to rainfall events of increasing intensity and decreasing duration is analyzed with FLAC. The apparent cohesion provided by capillary forces in unsaturated soil is simulated using the two-phase fluid flow logic. As soil saturation increases, soil cohesion can decrease and result in slope collapse.

Keywords:

  • Slope Stability
  • Capillary effects
  • Soil saturation
  • Two-phase flow
  • Mohr-Coulomb model

Materials:

  • Soil
  • Water

Analyses:

  • Fluid Flow
  • Static
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