Gully Wall Stability in Loess-derived Alluvium1
- J. M. Bradford and
- R. F. Piest2
A field study was made on an instrumented vertical slope to investigate the triggering mechanisms that initiate gully wall failure in loess-derived alluvium. The relevance of hydrology, soil morphology, and soil mechanics to an understanding of gully slumping is examined. Conventional limit equilibrium slope stability methods were of little value in predicting failure volumes or in understanding the failure mechanics. The geometry and time of failure are greatly influenced by the structural features of loess-derived alluvium and by the dependence of the shear strength on the pore water pressure within the soil.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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