Deep seated stability of soil nailing walls

An approximate solution to evaluate the factor of safety of soil nailing walls against the deep-seated failure has been developed. It was added to the existing solution method, which analyzes the stability of soil nailing walls based on the limiting equilibrium of driving and resisting forces along the assumed potential failure surface that passes through the toe of the wall. The developed soil nailing wall stability analysis method has been applied to identify the effects of the soil nailing wall geometry, soil strength, nail length, and depth of bedrock on the failure mechanism. Specifically, the magnitude of the soil nailing wall slope angle when the dominant failure mechanism changes from deep-seated failure to toe failure has been looked into.