STABILITY ANALYSIS OF SOIL STRUCTURES REINFORCED WITH GEOSYNTHETICS CONSIDERING DEFORMATION AND STIFFNESS

Abstract

Most soil structures reinforced with geosynthetics have been designed by stability analysis as circular slip surface method. It is difficult to evaluate directly the deformation and stiffness of soil and reinforcement material by the stability analysis. This paper proposes a design procedure which creates the collapse modes similar with conventional stability analysis, and which considers the deformation and stiffness of materials by using FEM, and applies the design procedure to static and dynamic problems of stability of slope, earth pressure against retaining wall, and of bearing capacity reinforced with geosynthetics.