Traditionally stiff structures like concrete retaining wall have been employed for preventing earth flow due to slope failure, avalanche of earth and rocks, and so on. Flexible structures like embankment reinforced with geosynthetics have the following advantages. 1) Soils excavated on the site are effectively used for the structural material. 2) The structures can be applied at a narrow space and a steep slope ground. 3) The structures are well matched to natural environment. 4) It is easy to repair and maintain the structures. At the present stage, however, the displacements and failure strength of the reinforced embankment structures have not been clarified yet when shock loads or dynamic loads are applied. This paper reports the result of field model test of reinforced embankment against quasi-static lateral loads.
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