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Question
The ratio of horizontal to vertical stress for elastic equilibrium of soil considering the angle of shearing resistance of 30° shall be
A.
0.5
B.
1
C.
3
D.
0.33
Answer ( Option A)

0.5

Solution

As given in question soil is in elastic equilibrium means soil is in rest state.
∴ Ratio of horizontal stress (σh) to vertical stress (σV) for soil at rest is given by
     
Where, Φ = Angle of shearing resistance = 30°
(given)

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