Pullout capacity of a reinforced soil in drained and undrained conditions

Ahmed Bayoumi, Antonio Bobet, Junhwan Lee

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


A finite element model is built to analyse the pullout capacity of a stiff inclusion embedded in a soil matrix under both drained and undrained conditions. The influence of several parameters, including soil/reinforcement friction and vertical stress, on the pullout capacity of clean and silty sands reinforced with a steel strip is investigated. The ratio of undrained to drained pullout capacities ranges approximately from 0.58 to 0.89 depending on the interface friction coefficient and vertical stress. The most important factor for the pullout capacity in both drained and undrained conditions is the coefficient of friction at the interface. Other parameters such as the relative density of the sand, the overburden pressure, the coefficient of lateral pressure, or the soil model used, have a relatively smaller effect.

Original languageEnglish
Pages (from-to)525-536
Number of pages12
JournalFinite Elements in Analysis and Design
Issue number9-10
Publication statusPublished - 2008 Jun

All Science Journal Classification (ASJC) codes

  • Analysis
  • General Engineering
  • Computer Graphics and Computer-Aided Design
  • Applied Mathematics


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