International Journal of Civil Engineering

, Volume 16, Issue 4, pp 435–441 | Cite as

A New Finite Element for Back Analysis of a Geogrid Reinforced Soil Retaining Wall Failure

  • Omid Reza Barani
  • Majid Bahrami
  • Seyed Amirodin Sadrnejad
Research Paper


In this paper, a new approach for back analysis of a geogrid reinforced soil (GRS) wall failure is presented. A new zero-thickness cohesive fracture element is utilized to simulate the slip surface behind the GRS wall. This element can simulate displacement discontinuity as well as tractions across the shear band effectively. The numerical results are compared with the measured values from the physical test as well as the obtained values from the typical finite element method. This paper demonstrates that the proposed finite element algorithm via discrete modeling of the shear band can effectively improve the quality of numerical back analysis of the soil failure which explains its necessity.


Geosynthetic reinforced soil Retaining wall Shear band Cohesive interface element Failure analysis 


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Copyright information

© Iran University of Science and Technology 2017

Authors and Affiliations

  • Omid Reza Barani
    • 1
  • Majid Bahrami
    • 1
  • Seyed Amirodin Sadrnejad
    • 1
  1. 1.Department of Civil EngineeringK.N. Toosi University of TechnologyTehranIran

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