Soil nailing is an in-situ fortification method by latent bars which can withstand tensile, shearing forces and bending moments. This procedure is utilized for holding blocks and for slant adjustment. Its attitude is a form of blended materials and includes basically two connection mechanisms: The soil reinforcement friction and the typical earth weight on the support. The assembly of the sidelong contact requires frictional properties for the soil, while the preparation of the typical earth weight requires a relative rigidity of the considerations. Thinking about these systems, a multi-criteria at failure outline technique is taken from the slice strategies utilized in slope stability experiment and is proposed too. The criteria prompt a yielding deflection in the shear and tensile forces and the idea of the method of the most extreme plastic work allows to determine the shear and tensile forces activated at failure in every incorporation. Utilizing a plan determinate, the slope stability examination consider the passive force of support.