Computer · Geotechnical Engineering
When a circular load of radius 'a' with uniform pressure 'p' is applied on the surface of a semi-infinite homogeneous soil mass, the vertical stress σz under the centre of the load at depth 'z' is given by:
- 1σz = p [1 - z2a2 + z2]
- 2σz = p [1 - z1.5(a2 + z2)3/4]
- 3σz = p [1 - z3(a2 + z2)3/2]✓
- 4σz = p 1 - z2(a3 + z3)2/3
Correct answer
σz = p [1 - z3(a2 + z2)3/2]
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