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Influence of the strip–backfill interaction model in the analysis of the behavior of a mechanically stabilized earth wall

Abstract : To improve the modeling of friction between the ground and reinforcing inclusions, such as steel strips in reinforced earth walls, a specific type of finite element was introduced in the CESAR-LCPC finite element code. Simulations were carried out, in which these elements were used in combination with a linear elastic-perfectly plastic model to describe the interaction between the ground and the inclusions. With this simple interaction model, however, it was not possible to reproduce the observed behavior of a full-scale, experimental wall or the results of pull-out tests carried out on the same wall under the same set of parameters. Therefore, two more complex models were introduced for the soil–inclusion interaction, which led to a much better agreement between the numerical results and the experimental observations. Strip-backfill interaction
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Submitted on : Monday, May 5, 2014 - 10:08:25 AM
Last modification on : Tuesday, December 8, 2020 - 10:20:24 AM

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Emmanuel Bourgeois, Alain Le Kouby, Laurent Soyez. Influence of the strip–backfill interaction model in the analysis of the behavior of a mechanically stabilized earth wall. Soils and Foundations, Japanese Geotechnical Society, 2012, 52 (3), pp 550-561. ⟨10.1016/j.sandf.2012.05.012⟩. ⟨hal-00986898⟩

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