Point loads of magnitude 100,200,and 400kN act at B, C, and D, respectively. Determine the increase in vertical stress at a depth of 6m belo point A. Use Boussinesq's equation.

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Q: PROBLEM: DRAW SHEAR AND MOMENT DIAGRAM PROBLEM NO. 1 1.5m 12KN 2.0m 4KN/m 5.0m WWW.

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Q: 20kN A 40KN BY C 40kN D 20KN 40kN E G 6 panels @3.0 m = 18.0 m 40KN K 20kN 6.0 m

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Q: The maximum bending stress (in MPa)

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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.