It is a model that has the exact Yield surface [7]This Yield surface, which is determined by the properties of the soil (Soil parameter) that is inserted and it is not dependent on the stress (Strain) in the State of the unit, the force (Stress) to any address within the boundaries of the Yield surface. Within the boundaries of the Yield surface will have a completely Elastic behaviour. Mohr-Coulomb model of the Yield function, which can be displayed as squares in the plane of the cone 6 main force units (Principle stress) Figure 2: Basic (Basic parameter) variables used in the model Mohr-Coulomb has a total of 5 different parameters, all of which are known by the Geotechnical Engineering 5 variable E is Young's modulus: Poisson's ratio ν: Friction angle φ: C: Cohesion.
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