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When there is no eternal loading, the principal is _______

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in Geotechnical Engineering I by (102k points)
When there is no eternal loading, the principal is _______

(a) 5m below ground plane

(b) ground plane

(c) 10m below ground plane

(d) at infinity

I got this question in my homework.

My query is from Stresses due to Self Weight topic in chapter Stress Distribution of Geotechnical Engineering I

1 Answer

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Best answer
Correct option is (b) ground plane

Explanation: When there is no eternal loading, the ground plane becomes the principal plane. This is because the ground plane is devoid of any shear loading. The plane on which the shear stress is zero is called the principal plane and the normal stress on the principal plane is called the principal stress.

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