GATE CE 2017 Set 1 — Question 9
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Geotechnical Engineering → Shear Strength of Soils → Mohr's Circle
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Question
A soil sample is subjected to a hydrostatic pressure, . The Mohr circle for any point in the soil sample would be
Correct answer
(C) a point at a distance σ from the origin
Solution
Hydrostatic pressure implies that the normal stress is the same in all directions, i.e., .
The radius of the Mohr circle is given by:The center of the Mohr circle is at:Since the radius is zero, the Mohr circle collapses to a single point located at a distance from the origin on the normal stress axis.
The radius of the Mohr circle is given by:The center of the Mohr circle is at:Since the radius is zero, the Mohr circle collapses to a single point located at a distance from the origin on the normal stress axis.
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