Internal Stability Analyses of Geosynthetic Reinforced Retaining Walls

Monitoring of realized structures shows significant difference between assumed and measured values of the wall displacements and axial forces in geosynthetic reinforcements. This difference is caused by the conservative approach of conventional analytical methods and by the high values of the safety factors of geosynthetic reinforcements that undervalue their strength parameters. Therefore, deformation properties of the reinforcements and their interaction with soil environment become more important because strength parameters are not fully reached. Analysis of quantities, such as wall face displacements, axial forces and strains in the reinforcements using analytical methods and numerical modelling, is presented in this paper.