Centrifuge modelling of soil slopes reinforced with vegetation

R. Sonnenberg, M. F. Bransby, P. D. Hallett, A. G. Bengough, S. B. Mickovski, M. C. R. Davies

Research output: Contribution to journalArticle

Abstract

This paper reports a series of geotechnical centrifuge model tests conducted to investigate the mechanical reinforcement of slopes by vegetation. Some of the model slopes contained young willow trees, which were grown in controlled conditions to provide different root distributions and mechanical properties. Slopes were brought to failure in the centrifuge by increasing water pressures. The failure mechanisms were investigated photographically and using post-test excavation. By measuring the soil properties and pore pressures in each test when failure occurred, slope stability calculations could be performed for each slope failure.
Original languageEnglish
Pages (from-to)1415-1430
Number of pages16
JournalCanadian Geotechnical Journal
Volume47
Issue number12
DOIs
Publication statusPublished - Dec 2010

Keywords

  • soil slopes
  • vegetation
  • geotechnology

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