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Extended “Mononobe-Okabe” Method for Seismic Design of Retaining Walls

Author

Listed:
  • Mahmoud Yazdani
  • Ali Azad
  • Abol hasan Farshi
  • Siamak Talatahari

Abstract

Mononobe-Okabe (M-O) method is still employed as the first option to estimate lateral earth pressures during earthquakes by geotechnical engineers. Considering some simple assumptions and using a closed form method, M-O solves the equations of equilibrium and suggests seismic active and passive lateral earth pressures. Therefore, the results are true in its assumption range only, and in many other practical cases, M-O method is not applicable. Noncontinues backfill slopes, cohesive soils, and rising water behind the wall are some well-known examples in which the M-O theory is irrelevant. Using the fundamental framework of M-O method, this study proposes an iterative method to overcome the limits of the M-O method. Based on trial and error process, the proposed method is able to cover many of the defects which regularly occur in civil engineering when M-O has no direct answer.

Suggested Citation

  • Mahmoud Yazdani & Ali Azad & Abol hasan Farshi & Siamak Talatahari, 2013. "Extended “Mononobe-Okabe” Method for Seismic Design of Retaining Walls," Journal of Applied Mathematics, Hindawi, vol. 2013, pages 1-10, September.
    • Handle: RePEc:hin:jnljam:136132
    DOI: 10.1155/2013/136132
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