Multiple choice

The vertical stress at point P1 due to the point load Q on the ground surface as shown in figure is s2. According to Boussinesq’s equation, the vertical stress at point P2 shown in the figure will be

  1. $\frac{\sigma_z}{2}$
  2. $\sigma_z$
  3. $2 \sigma_z$
  4. $4 \sigma_z$
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D Correct answer
Explanation

 

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