Use of a genetic algorithm to perform reliability analysis of unsaturated soil slopes

K. Gavin*, J. Xue

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)

Abstract

This paper describes the development of a probabilistic design approach to analyse the stability of unsaturated soil slopes. Instability of unsaturated soil slopes is caused by the downwards progression of a wetting front, which reduces the near-surface suctions, increases the weight of soil in the failure zone and reduces the soil strength. Assuming the slip surface forms parallel to the slope surface (at a depth equal to the wetting front depth) the probability of failure is determined in this paper through the reliability index determined using a computationally efficient genetic algorithm method.

Original languageEnglish
Pages (from-to)545-549
Number of pages5
JournalGeotechnique: international journal of soil mechanics
Volume59
Issue number6
DOIs
Publication statusPublished - 1 Aug 2009

Keywords

  • Failure
  • Partial saturation
  • Slopes
  • Suction

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