A 200-kN concentrated (point) load acts on the surface of a soil mass. Determine the vertical stress 3 m below the ground surface at locations directly beneath the point of load application, 3 meters horizontally from the load, and 6 meters horizontally from the load.(a) Assume the Boussinesq conditions apply.(b) Assume the Westergaard conditions apply.

Q: The basin of a lake consists of uniform clay with saturated unit weight 19 kN/m3. Calculate the…

A: Given data; Saturated unit weight of clay=19 kN/m3 Depth =20 m depth of water in lake = 5 m changes…

Q: (9) Repeat question (6) but with an alternating torsional stress of 207 MPa. (Ans./ n, = 1.15, n, =…

A: calculate the Von Mises stress at the alternating range σ'a   σ'a =σ2a+3ra212  here , σa is…

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.