Analysis of RE wall using oblique pull for linear subgrade response: Coherent gravity approach

In the design of RE wall most of the available methods assume that reinforcement is subjected to only axial pull. In reality, the reinforcement is subjected to oblique pull due to oblique sliding of failure wedge. In the present work, the effect of oblique pull on the stability of RE wall is studied considering a coherent gravity failure mechanism. The factor of safety modified to incorporate the effect of obliquity and is evaluated and compared with the conventional one. Parametric study quantifies the significance of length of reinforcement, number of reinforcement layers, angle of shearing resistance of backfill, interface bond resistance, global subgrade stiffness factor and magnitude of displacement on the modified factor of safety.