In an area where the ground surface is level, the underlying soil has a unit weight of 16 kN/m3. Determine the principal stresses acting at a depth of 5 m if the lateral pressure is one-half the vertical. The vertical pressure (stress) is the product of the soil unit weight and depth, and is the major principal stress.

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A: The given data is shown below:

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Q: Can u solve this

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Methods to Determine Vertical Stress

The load applied to the soil is transferred to the underground. The presence of water at soil pores and solid grains above the soil are the primary components that are responsible for the effective load transfer. Due to the load acting, the internal component of the soil or the underground formations undergoes deformations or a tectonic shift. The amount of deformation depends upon the amount of load acting on the soil surface, which indeed, depends on the weight of everything present above the soil. Due to this, the underground soil element develops internal stresses which try to resist the tectonic changes.