A compressive load P=60kN is applied to the surface of a soil. o Find the vertical compressive stress at a point 2m below the surface at a distance of 1m away from the line of action of the force o Plot the distribution of vertical compressive stress on the plane 2m (i.e. for z = 2m) below the surface of the soil, for various radial distances up to 2m from the line of action of the force (i.e. r =, 0,……,2) o Plot the distribution of the vertical compressive stresses on various horizontal planes (i.e. for various values of z=0.5, 1, ……, 3) along the vertical axis (i.e. at r=0

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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.