Abstract: Various supporting and retaining structures have been used in the landslide remediations. The engineering practice indicating that the single structure type could not meet the requirements in all projects. As a new retaining structure, the piled composited retaining structures, which combine the advantages of sliding resisting caissons and the conventional retaining walls, have been widely used in the slope stability remediation projects. This paper presents a case history of a high fill slope stability project in Guizhou Province. The finite element model was established, and the results were compared with the design values.

Key words: piled composited retaining structures, high fill slopes, numerical simulations, engineering applications