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

Mahmoud Yazdani, Ali Azad, Abol hasan Farshi and Siamak Talatahari

Journal of Applied Mathematics, 2013, vol. 2013, 1-10

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.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnljam:136132

DOI: 10.1155/2013/136132

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