A three-dimensional upper-bound approach to slope stability analysis based on RFEM

J. Chen, Jianhua Yin, C. F. Lee

Research output: Journal article publicationJournal articleAcademic researchpeer-review

32 Citations (Scopus)


An upper-bound limit analysis method based on rigid finite elements has been developed recently. Numerical procedures for implementing the three-dimensional upper-bound slope stability analysis using rigid finite elements are presented in the paper. The search for the minimum value of the factor of safety can be set up as a non-linear programming problem. Because of the existence of non-linear equalities, a special sequential quadratic programming (SQP) algorithm, CFSQP, is applied to obtain the optimal solution in the paper. Two test problems are used to examine the validation and capability of the present rigid element upper-bound limit analysis method by comparison with results obtained by other methods. A practical example illustrates the application of the present method in three-dimensional slope stability analysis.
Original languageEnglish
Pages (from-to)549-556
Number of pages8
Issue number7
Publication statusPublished - 1 Sept 2005


  • Limit state analysis
  • Plasticity
  • Slopes

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Geotechnical Engineering and Engineering Geology


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