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Soil Mechanics

Effective Stress Calculation - II

Which one of ...

Question

Which one of the following diagrams represents the effective pressure distribution for a saturated soil mass of depth 'z' submerged under water of height $^{'} z_{1}^{'}$ above its top level ( $γ^{'}$ = submerged density of soil $γ_{s a t}$ = saturated density of soil and $γ_{w}$ = unit weight of water)?

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Solution

The correct option is A
Total stress at any point in the soil

$= γ_{w} Z_{1} + γ_{s a t} Z$

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Which one of the following diagrams represents the effective pressure distribution for a saturated soil mass of depth 'z' submerged under water of height ′z′1 above its top level (γ′= submerged density of soil γsat = saturated density of soil and γw = unit weight of water)?

The correct option is A Total stress at any point in the soil =γwZ1+γsatZ

The correct option is A
Total stress at any point in the soil

$= γ_{w} Z_{1} + γ_{s a t} Z$