LIMIT ANALYSIS VERSUS LIMIT EQUILIBRIUM FOR SLOPE STABILITY

This paper compares conventional limit-equilibrium results with rigorous upper and lower bound solutions for the stability of simple earth slopes. The bounding solutions presented in this paper are obtained by using two newly developed numerical procedures that are based on finite-element formulations of the bound theorems of limit analysis and linear programming techniques. Although limit-equilibrium analysis is used widely in practice for estimating the stability of slopes, its use may sometimes lead to significant errors as both kinematic and static admissibility are violated in the method. Because no exact solutions are available against which the results of limit-equilibrium analysis can be checked, the present bounding solutions can be used to benchmark the results of limit-equilibrium analysis. In addition, the lower bound solutions obtained can also be applied directly in practice because they are inherently conservative.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/3519342
• Corporate Authors:

  American Society of Civil Engineers

  345 East 47th Street
  New York, NY  United States  10017-2398
• Authors:
  • Yu, H S
  • Salgado, R
  • Sloan, S W
  • Kim, J M
• Publication Date: 1998-1

Language

• English

Media Info

• Features: Appendices; Figures; References;
• Pagination: p. 1-11
• Serial:
  • Journal of Geotechnical and Geoenvironmental Engineering
  • Volume: 124
  • Issue Number: 1
  • Publisher: American Society of Civil Engineers
  • ISSN: 1090-0241
  • Serial URL: http://ojps.aip.org/gto

Subject/Index Terms

• TRT Terms: Depth; Drained soil; Finite element method; Mechanical equilibrium; Saturated soils; Slope stability; Slopes; Strength of materials; Ultimate load design
• Uncontrolled Terms: Limit equilibrium; Undrained soils
• Subject Areas: Geotechnology; Highways; I42: Soil Mechanics;

Filing Info

• Accession Number: 00745084
• Record Type: Publication
• Contract Numbers: 1434-95-G-2531, BCS-9310669, CMS-9502530
• Files: TRIS
• Created Date: Jan 8 1998 12:00AM