GATE CE 2023 Set 2 — Question 41
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Geotechnical Engineering → Shear Strength of Soils → Stress Paths
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Question
In the given figure, Point O indicates the stress point of a soil element at initial non-hydrostatic stress condition. For the stress path (OP), which of the following loading conditions is correct?
Correct answer
(A) σᵥ is increasing and σₕ is constant
Solution
The stress path parameters are defined as and .
The slope of the stress path line OP is given as 1 (from the triangle shown).This indicates that is constant. Since the path moves from O to P, both and are increasing. For to increase with , must be positive (), meaning is increasing.
The slope of the stress path line OP is given as 1 (from the triangle shown).This indicates that is constant. Since the path moves from O to P, both and are increasing. For to increase with , must be positive (), meaning is increasing.
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