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